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Arcom SBC-MediaGX

1. CONTROL SYSTEMS J629 SBC MediaGX PNP PCI Configuration Setup ROM PCI ISA BIOS 2A434001 PNP PCI CONFIGURATION AWARD SOFTWARE INC 2192 10048 000 000 PNP OS Installed Resources Controlled By Reset Configuration Data IRQ 3 assigned to IRQ 4 assigned to IRQ 5 assigned to IRQ 7 assigned to IRQ 9 assigned to IRQ 10 assigned to IRQ 11 assigned to IRQ 12 assigned to IRQ 14 assigned to IRQ 15 assigned to DMA 0 assigned to DMA 1 assigned to DMA 3 assigned to DMA 5 assigned to DMA 6 assigned to DMA 7 assigned to No PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP PCI ISA PnP Manual Disabled PCI IRQ Activated By Level Used MEM base addr N A Esc Quit lt A1V3 Selection Item F1 Help PU PD Modify F5 Old Values Shift F2 Colour F6 Load BIOS Default F7 Load Setup Default This category determines the IRQ resources for the system You can select the items according your system environment Default value is Resources Controlled By Auto rcom CONTROL SYSTEMS 2192 10048 000 000 INTEGRATED PERIPHERALS ROM PC ISA BIOS 2A434001 INTEGRATED PERIPHERALS AWARD SOFTWARE INC J629 SBC MediaGX IDE HDD Block Mode Primary IDE Channel Master Driver PIO Mode Slave Drive
2. A RealTek RTL8139A Ethernet controller provides 10 100 BASETX interface This is a 32 bit PCI device that is configured by the Plug and Play BIOS during power ON The device provides compliance with IEEE802 3u 100BASE T specification and IEEE 802 3x Full Duplex Flow Control A 93C46 EEPROM is used to store configuration data and ID information An 8 way RJ45 connector is used to provide signals See Appendix A for pin assignment details A second connector PL6 also provides users with status signals that are designed to drive LED s The status lines provide TX RX and LINK status The output lines sink current when switched ON therefore the anode of each device should be connector to PL6 pin 1 and the cathode to the appropriate status line The support CD ROM contains drivers for most operating systems and network software These are stored in the ETHERNET directory 16 Bit SoundBlaster The Audio support provided on the SBC MediaGX is fully compatible with the 16 bit SoundBlaster interface This device provides support for stereo Line IN and Line OUT and mono Microphone input The SoundBlaster is supported via the Cyrix XpressAUDIO M software which is built into the BIOS code A National Semiconductor LM4548 AC97 Audio CODEC is used to provide the output and mix signals from the input sources The CODEC can be used to set the output level of each source and provide a composite signal There is no amplifier onboard and the output must be
3. The signals available are TXA TXB RXA RXB and Ground The maximum cable length for an RS422 system is 4000ft and it supports 1 driver and up to 10 receivers To enable RS422 operation LK5 should be Arcom Page 53 2192 10048 000 000 J629 SBC MediaGX removed and the RTS line from COM4 should be at logic 0 LK4 and LK6 should be made if the board is at the end of the network RS485 This is a half duplex interface that provides combined TX and RX signals PL4 pin 5 provides TXB RXB and pin 6 provides TXA RXA A ground connection is also required for this interface The maximum cable length for this interface is the same as RS422 4000ft but RS485 supports up to 32 transmitters and receivers on a single network Only one transmitter should be switched on at a time The SBC MediaGX uses the RTS signal to control transmission when this signal is at logic 1 the driver is switched OFF and data can be received from other devices When the RTS line is at logic 0 the driver is ON Any data which is transmitted from the SBC MediaGX will be automatically echoed back to the receiver This enables the serial communications software to detect that all data has been sent and disable the driver when required LK5 should be made to the enable RS485 interface LK4 and Lk6 should be made if the SBC MediaGX is at the end of the network Parallel Port The parallel port is fully IEEE1284 compatible and provides Standard Parallel Port SPP Enhanced Paral
4. 2mm Non Stackthrough PC 104 Plus compatible connector 2192 10048 000 000 Pin Row A Row B Row C Row D 1 Ground Key Reserved 5V ADOO 2 VI O ADO2 ADOI 5V 3 ADO5 Ground ADO4 AD03 4 CBEO ADO7 Ground AD06 5 Ground ADO9 ADO8 Ground 6 AD11 VI O AD10 M66EN 7 AD14 AD13 Ground AD12 8 3 3V CBE1 AD15 3 3V 9 SBO PAR 10 11 12 13 14 15 16 17 18 19 AD24 20 21 22 23 REQI VI O 24 33 26 27 5V 28 29 30 DIES 660000000000 0060080006006 005 01080 Cloooooooooooooooooooooooooooooolcan Blloooooooooo00000000000000000000 o pap Alloooooooooooooooooooooooooooooo Note 12V connection is a no connect PL11 Touchscreen 4 way Dubox header Signal Name 1 X Page 59 2192 10048 000 000 J629 SBC MediaGX PL12 Power Connector 7 pin locking power connector Molex part number 26 60 4070 Pin Signal Name 5V ML o o o o o o 12V 3 3V Not Used Ground SD Nn BLOT Re PL13 General Purpose I O lines 20 way 0 1 pin header Pin Signal Name Pin Signal Name 1 3 5 7 9 11 Ground 12 13 Buffered GPIOO 14 15 Buffered GPIO2 16 17 Buffered GPIO4 18 Buffered GPIO5 19 Buffered GPIO6 20 Buffered GPIO7 PL14 RESET Connector 2 way Dubox header Pin Signal Name 2f 0 1 Reset Input IL 2 Ground PL15 Suspend Resume 2 way Dubox header
5. 3 Si au 5 CTS 7 RI 10 2 9 No Connect PL3 COM4 RS232 Serial Port 10 pin 0 1 boxed pin header 1 DCD 2 DSR gt gt 5 TXD 6 CTS en 9 GND 10 No Connect PL4 COM4 RS485 422 Serial Port 10 pin 0 1 boxed pin header Pin i Signal Name 1 No Connect No Connect La 3 Ground ooooo 5 TXA RXA 485 bi 7 RXA DE 9 No Connect PL5 CPU Fan 3 way 0 1 pin header Pin Signal Name 1 Ground o 2 12V g 3 Arcom lt CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX Note Pin 2 may be configured to provide 5V in place of 12V This is an assembly option and cannot be configured by the user PL6 Ethernet Status LED s 4 way 0 1 pin header Signal Name RX LED Link LED TX LED PL7 PS 2 Keyboard 6 pin Mini DIN Signal Name KB DATA No Connect 5V KB CLOCK PL8 USB Ports 10 way 0 1 pin header Signal Name Pin Signal Name VBUS 2 VBUS 1 DNEG 1 DNEG 2 DPOS 2 DPOS 1 Ground Ground Ground Ground PL9 PS 2 Mouse 6 pin Mini DIN Signal Name MS DATA Ground 5V MS CLOCK No Connect Page 58 Oj O O O 4 6 5 4 3 2 l I o 0 2 oo oo oo 9 o 010 6 5 4 3 2 J629 SBC MediaGX PL10 PC 104 Plus Connector 120 pin
6. 32 bit IDE controller SoundBlaster compatible audio device PCI ISA bus bridge standard ISA bus motherboard peripherals and a dual USB controller The MediaGX processor is packaged in a standard Socket 7 compatible Pin Grid Array but is not pin pin compatible with any other Socket 7 device Therefore this board will not support any other processor from an alternative manufacturer The board will always be supplied with a processor and heatsink fitted to the board and will be configured for the correct clock multiplier and voltage settings The MediaGX processor is a low power device a passive heatsink has been used to support this device on the SBC MediaGX This heatsink provides the correct cooling to enable the processor to operate at ambient temperatures up to 60 C Memory The SBC MediaGX supports three types of memory device the system memory that is provided by a Synchronous DRAM module the BIOS EPROM and the Flash EPROM array Synchronous DRAM Interface A single 168 pin Dual In Line Memory Module DIMM socket is used to support up to 128M bytes of synchronous DRAM This interface is designed to support 16MB 32MB 64MB or 128MB modules which are 3 3V compatible and meet the PC100 timing specification The DIMM socket is designed to ensure that only the correct type of memory is installed The Award BIOS will automatically detect the amount of memory inserted into this socket during the power up process and set the appropriate re
7. D7 LDO UDO G2 B7 SBI BS G3 LR2 LRI UGI P8 LD7 G3 GO SB2 FGO B3 UGI UBI P9 LD6 G4 GI SB3 FG1 R4 UBI LRI P10 LD5 G5 G2 SB4 FG2 G4 UR2 LGI P11 LD4 RO G3 SB5 FG3 B4 UG2 LB1 P12 G4 SGO R5 LGI UR2 P13 G5 G5 LB1 UG2 P14 G6 B5 LR2 UB2 P15 G7 R6 LG2 LR2 P16 RO LG2 P17 RI LB2 P18 R2 UR2 P19 R3 UG3 P20 R4 UB3 P21 R5 LR3 P22 R6 SG4 SR2 LG3 P23 R7 SG5 SR3 LB3 P24 FRO P26 FR2 P27 FR3 P28 FR4 P29 FRS P31 SRI P32 SR2 P33 SR3 P34 SR4 P35 SR5 E SHF SHF SHF SHF SHF SHF SHF SHF SHF SHF SHF SHF SHF CLK CLK CLK CLK CLK CLK CLK CLK CLK CLK CLK CLK CLK Clock Page 45 2192 10048 000 000 J629 SBC MediaGX The display signals are 3 3V compatible and may be used to drive 5V panels the input threshold level on the display should be verified to ensure it is compatible If the display needs higher level signals then the panel data may be buffered off board by 3 3V to 5V translators The SBC MediaGX contains power control circuitry for the flat panel and backlight controller supplies The flat panel can be supplied with a switched 3 3V or 5V supply depending on the position of LK11 and the backlight controller can be supplied with either 5V or 12V depending on the position of LK10 See the link section for details The supply voltages are controlled by the 69000 during power up down to ensure that the panel is not damaged due to the input signals being incorrectly configured The backlight can also be switched O
8. Plus header to enable it to be used by additional cards and can be used to power 3 3V flat panels via PL28 The 5V supply is monitored automatically onboard and if this supply falls below 4 63V the board will be placed in RESET When the power supply rises above this threshold voltage the board will start to operate again This power supply monitor will ensure that the board does not hang if the supply voltage fails at any point The BIOS has built in power management which can be enabled by the Setup program during the POST process Various aspects of the board can be controlled by the power management software The board can be placed in a power down state and woken using external input from the mouse keyboard serial ports real time clock etc The power management software is designed to monitor activity and will start to slow down the CPU and switch OFF functions if gt Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 long periods of inactivity are detected The SBC MediaGX has a dedicated I O register that can be used to power down the RS232 serial buffers if they are not reguired Each buffer has an individual control line therefore they can be switched ON and OFF in any combination The default configuration for these buffers at power ON is to be enabled This ensures that the board operates correctly when first powered Once running the buffers can be disabled during periods of inactivity The register is located at I O
9. Signal Name 2 O Suspend Signal ILO Ground PL16 Speaker 2 way Dubox header Pin Signal Name 2f 1 Positive ILO 2 Negative Page 60 Arcom J629 SBC MediaGX 2192 10048 000 000 PL17 Printer Port LTP1 26 way 0 1 boxed pin header Pin Signal Name Pin Signal Name 1 ISTROBE 2 AUTO 3 DO 4 ERROR 5 D1 6 INIT 7 D2 8 SELECT 9 D3 10 Ground 11 D4 12 Ground 13 DS 14 Ground 15 D6 16 Ground 17 D7 18 Ground 19 ACK 20 Ground 21 BUSY 22 Ground 23 PAPER END 24 Ground 25 SELECT 26 No Connect Note This pin out is designed to provide a 1 1 connection to a 25 way IDC D Type socket PL18 Floppy Disk Interface 34 way 0 1 boxed pin header Pin Signal Name Pin Signal Name 1 Ground 2 DENSEL 3 Ground 4 No connect oo 5 No connect 6 DRATE a 7 Ground 8 INDEX o 9 Ground 10 MTRO oo 11 Ground 12 DRV1 _ 13 Ground 14 IDRVO ae 13 Ground 16 IMTRI oo 17 Ground 18 DIR Es 19 Ground 20 STEP ca 21 Ground 22 WDATA se 23 Ground 24 WGATE 25 Ground 26 ITRKO 27 Ground 28 WP 29 Ground 30 RDATA 31 Ground 32 HDSEL 33 Ground 34 DSKCHG Arcom Page 61 2192 10048 000 000 J629 SBC MediaGX PL19 COM2 RS232 Serial Port 10 pin 0 1 boxed pin header 00000 00000 Note This pin out is designed to provide a 1 1 connection to a 9 way IDC D Type plug PL20 COM1 RS232 Serial Port 10 pin 0 1
10. each interface are shown in the table below Function Pin No Signal Microphone 2 MIC 1 Audio ground reference Line IN 4 Line input LEFT 6 Line input RIGHT 5 Audio ground reference Line OUT 8 Line output LEFT 10 Line output RIGHT 9 Audio ground reference The standard connector for these signals is a 3 5mm Stereo jack The audio device is a 16 bit SoundBlaster compatible interface The BIOS provides the user the ability to configure the I O address IRQ and DMA settings for this device This enables it to be used with existing SoundBlaster 16 applications The audio features are supported by installable device drivers under Windows 95 98 See the Operating System driver section for details The following settings are configured in the BIOS as default These can be modified during POST by entering setup and selecting the Integrated Peripherals screen Audio I O Base Address 220H MPU 401 I O Base Address 330H Audio IRQ Select IRO5 Audio Low DMA Select DMA 1 Audio High DMA Select DMA 5 As long as your software is compatible with the configuration detailed above running the application will cause the audio features to be accessed If you are using Windows then you will need to install the audio drivers before these features can be used The drivers will cause the standard Windows add on to access the SBC MediaGX audio functions Arcom Page 11 2192 10048 000 00
11. from the support CD ROM D Windows9x 98 Display 6 0 0 w98600 Restart Windows when prompted to ensure the driver is detected Installing RealTek Ethernet Drivers Choose PCI Ethernet Controller from the system icon in Control Panel Select Properties General and select Reinstall Driver Select Search for a driver from specified location and specify D Ethernet Win98 When prompted for the location of the CAB file enter D Ethernet Win98 The Windows 98 installation CD may be required to complete installation Restart Windows 98 when prompted Windows NT4 0 Driver Support Before installing Windows NT 4 0 power up the board and enter Setup using the lt DEL gt key In the BIOS Features screen set boot sequence to CDROM C A Exit Setup and save changes Insert the Windows NT 4 0 CD into the drive and reboot the system The CD ROM will be detected as IDE CD ROM ATAPI 1 2 PCI IDE Controller You do not need to select any additional SCSI adapters CD ROM drives or special disk controllers Install NT 4 0 on an NTFS partition When prompted select Do not connect this computer to a network at this time and leave the video controller configured as standard VGA If you would like to install Windows NT 4 0 Service pack 4 Select the following file form the support CD ROM once NT 4 0 has completed installation D NT4SP4 SP41386 EXE rcom CONTROL SYSTEMS Page 37 2192 10048 000 000 J629 SBC MediaGX Installing Cyrix Audi
12. this item so that BIOS will see the hardware Drive A as Drive B and hardware Drive B as Drive A Page 24 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Swap Floppy Drive Users can enable this item so that BIOS will see the hardware Drive A as Drive B and hardware Drive B as Drive A Boot Up Floppy Seek During POST BIOS will determine if the Floppy disk drive installed is 40 or 80 tracks 360K type is 40 tracks while 720K 1 2M and 1 4M drive type as they are all 80 tracks Enabled BIOS searches for floppy disk drive to determine if it is 40 or 80 tracks Note that BIOS can not tell from 720K 1 2M or 1 4M drive type as they are all 80 tracks Disable BIOS will not search for the type of floppy disk drive by track number Note that there will not be any warning messages if the drive installed is 360K Boot Up NumLock Status The default value is On On Keypad is number keys Off Keypad is arrow keys Boot Up System Speed It selects the default system speed the speed that system will run at immediately after power up High Set the speed high Low Set the speed low Gate A20 Option The Gate A20 Option default setting is fast This is the optimum setting for this motherboard Typematic Rate Setting This determines the typematic rate Enabled Enable typematic rate Disabled Disable typematic rate Typematic Rate Chars Sec 6 6 characters per second 8 8 charac
13. 0 J629 SBC MediaGX Using the Flat Panel Interface The Intel Chips and Technologies 69000 VGA controller used on the SBC MediaGX supports a wide range of flat panel displays as well as a conventional CRT monitor Flat panel support can be configured by modifying the registers within the VGA device The VGA BIOS sets up these registers during the POST process and can be modified to support various displays The default BIOS for the SBC MediaGX sets the output to CRT if a monitor is detected when the board is switched ON this ensures that you can plug in a standard PC style monitor and start using the board straight away The default BIOS can be used to drive a 6 5 NEC TFT flat panel Part number NL6448AC20 06 This panel is supplied in the Flat panel variant of the SBC MediaGX development kit The development kit also contains an SBC MediaGX FPIF Flat Panel Interface board and associated cables to enable connection of the display The FPIF board and connection details for this display are described in Appendix D If you wish to use this display then connect it to the SBC MediaGX via the flat panel interface connector PL28 and FPIF board For details on other flat panels supported by the SBC MediaGX contact Arcom Control System technical support Using the PC 104 Plus expansion bus PC 104 and PC 104 Plus modules can be used with the SBC MediaGX to add extra functionality to the system The PC 104 Plus interface is used to provide support f
14. 0 herren beheedehee ye bya va UF OUD 20 Standard GMOS SetUp 20335202 124 a iiber 22 BIOS Features Setup viviste trennen 23 Chipset Features Setup resortes iia e 28 Power Management 5 4 5 ceros toa es esseri iene i 29 PNPPOl Conliguralion Setup cetreria Stes Ue Peel ou ee Sed a 31 Integrated Peripheral S s roseto rer I FE YA AA NR FED nega 32 Load BIOS Setup vce esmes todo ed ged tnd EA I FE NT EF RYN AA 33 Load Setup Default res ra MERLETTI ELE Mown 33 Supervisor User Password Setting VV FF eee 33 IDE HDD Auto Detection see e GYR DEG parete 33 SONWATE SUPPONE especies e a ee En ae ea Bra KiE a a aE 34 Datalight ROM DOS 6 22 265 red 04 ven an a ana ri UE EUR en 34 Datalight FlashFX Flash Filing System 34 AWDflash Utility cs e424 DO OED ea DDOGN GOWER GU 34 BOGIIS 33620 2 2 did Y eine EA FI lee EF AA ed 35 rcom CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX Operating Systems Drivers uei au 210 AR YGU UY de eee een 35 Windows 95 Driver Support see DEL aa ee e PR as 35 Windows 98 Driver SUpport eg en OD a YG ERW ese EE SEE DAHA an 36 Windows NT4 0 Driver SUuppotl ee so ei OER ED UG UD ED ADEG 37 Other Sotware SUpport 2 44 dsd aiie iaa DD YF EDD A DR 38 Hardware Support Information essere th lire GAR O GG i 39 Detailed Hardware Description sc ei ERE 40 PIOCESSOR er ee er NANNAU AFF OFFER DN DRY 40 MEMO acetico either Y 40 WO a ee ne ee the i PF ARE GE SF ANF ee ed FON ee 43 Graphics re a Sd eresie oe HE R
15. 2 Serial Port VGA CRT Interface IDE Interface PL23 64 way PC 104 Expansion PL24 Flash Access LED PL25 In System Program header PL26 40 way PC 104 Expansion PL27 Audio Functions PL28 VGA Flat Panel Interface Arcom page 7 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX AWARD BIOS SETUP The Award BIOS ROM has a built in Setup program that allows users to modify the basic system configuration This type of information is stored in battery packed RAM so that it retains the Setup information when the power is turned off ENTERING SETUP Power on the computer and press lt Del gt immediately will allow you to enter Setup The other way to enter Setup is to power on the computer when the below message appears briefly at the bottom of the screen during the POST Power On Self Test press lt Del gt key of simultaneously press lt Ctrl gt lt Alt gt and lt Esc gt keys Press DEL to enter SETUP If the message disappears before you respond and you still wish to enter Setup restart the system to try again by turning it OFF then ON or pressing the RESET button You may also restart by simultaneously press lt Ctrl gt lt Alt gt and lt Del gt keys Control Keys Up Arrow Move to previous item Down Arrow Move to next item Left Arrow Move to the item in the left hand Right Arrow Move to the item in the right hand Esc Key Main Menu Quit and not to save changes to CMOS Status Page setup menu and Op
16. 2 bit PCI style PC 104 Plus signals Add on boards can be used to enhance the functionality of the main board The PC 104 standard has been adopted by a wide range of companies and boards are available which support various types of interface This bus can be used to add digital I O analogue I O serial ports video capture devices PC CARD interfaces etc Any board plugged into this interface will be accessed as if it were part of the main board therefore it may conflict with YO and memory devices onboard if it has not been correctly configured Before using an expansion board you should check that it can be configured to work along side the peripherals already incorporated onboard The PC 104 bus signals are fully compatible with the ISA bus electrical timing definitions Some IRQ and DMA signal lines may be associated with onboard devices and are therefore are not free to be used by add on boards The PC 104 Plus signals are PCI 2 1 compliant and can be used to interface to 32 bit 33MHz compatible PC 104 Plus modules The PC 104 Plus bus supports a maximum of four add on cards and provides individual clock and some dedicated control signals for each card Refer to the PC 104 Plus specification supplied on the support CD ROM for further details Serial Ports There are four high speed 16550 serial UART s on the SBC MediaGX All four channels are fully software compatible with the 16550 and can be used as standard RS232 serial interfaces The ta
17. 20 a wj Gan MA N A OCC PL17 ST O AS uan Mm gt o lt E gt ds N a y n gt O st O a x Cc mp ED O nm 2 N a 2 a LO lt i s los lt DO gt EN HOMO A N m mE I LO a ODas a lt MA x x a S O a CG ld Page 14 rcom J629 SBC MediaGX 2192 10048 000 000 o LK1 COM3 Signal assignment COMS can be used to support either a standard RS232 serial interface or the onboard touchscreen controller interface This link has been provided to select between these two functions Not valid combination EM Yr Nu O O B B Touchscreen Controller Interface selected LK2 COM3 IRQ routing This link is used to select which IRQ signal is connected to the COM8 serial port LK2 Description A IRQ4 B IRO LK3 COMA IRQ routing This link is used to select which IRQ signal is connected to the COMA serial port LK2 Description A IRQ3 B IRQ10 LK4 LK5 and LK6 RS485 422 configuration These links are used to configure the RS485 422 serial interface They can be used to enable disable the RS485 receive buffer and RS485 422 line termination See RS485 422 section for more details LK4 Description Fit RS422 termination resistor connected Omit RS422 termination resistor disconnected LK5 Description Fit RS485 Receiver enabled Omit RS485 Receiver disabled LK6 Description Fit RS485 termination
18. 3V unbuffered SBRAM DIMM Module 4M 8M 16M Intel Strata Flash 256K Flash BIOS EPROM Intel Chips and Technologies 69000 HiQVideo 2M SDRAM Video Memory 640 x 480 8 16 24 bpp 800 x 600 8 16 24 bpp 1024 x 768 8 16 bpp 1280 x 1024 8 bpp Serial COM1 COM2 COM3 RS232 COM4 RS232 422 485 Parallel SPP EPP ECP Keyboard PS 2 Style Mouse PS 2 Style Floppy 2 drives supported IDE 2 drives supported Audio 16 bit SoundBlaster compatible Touchscreen 4 wire analogue resistive USB Dual channel support PC 104 Plus Interface Operating 209 to 60 C Storage 40 to 85 C 10 to 90 RH Non condensing Real Time Clock Accuracy 1min month Software Datalight ROM DOS operating system Datalight FlashFX flash filing system Power Requirements 5V 5 1 9A typical 3A max Battery Dimensions Weight MTBF rcom CONTROL SYSTEMS 3 0V Lithium 180mAH CR2032 Coin Cell Maximum discharge current 2uA EBX Compatible Format 5 75 x 8 00 146mm x 203mm 400g Based on MIL SPEC 217F using generic failure rates Page 67 2192 10048 000 000 J629 SBC MediaGX Appendix C SBC MediaGX Mechanical Diagram 23 16 8 HOLES Page 68 6 i gt d p I UN gt 9 I ih C 5 co Y nm qll i W ih D LO 80 960071 Poor J629 SBC MediaG
19. AFE Two options are available either 5V or 3 3V LK11 Description A 5V Supply B 3 3V Supply Page 16 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 LK12 amp LK13 User Links These two links are user configuration links They have no function on the SBC MediaGX but can be used by an application program to signify configuration setting The position of these links can be read via the special function I O register at address 259H See the User Link section for details LK12 Description Fit Bit 1 of 259H Logic 1 Omit Bit 1 of 259H Logic 0 LK13 Description Fit Bit 2 of 259H Logic 1 Omit Bit 2 of 259H Logic 0 Connectors There are twenty eight connectors on the SBC MediaGX that allow you to connect external devices such as keyboard floppy disk drives hard disk drives printers etc Detailed pin assignments are shown in Appendix A Connector Description Ethernet Interface PL2 COM3 RS232 Serial Port PL3 COM4 RS232 Serial Port PL4 COM4 RS422 485 Serial Port CPU Fan Power Ethernet Controller Status LED s PS 2 Keyboard USB Serial Port L9 P PS 2 Mouse PL10 PC 104 Plus Expansion PL11 4 wire Analogue Resistive Touchscreen EBX Power Supply Connector General Purpose I O Reset Switch Suspend Resume Switch PL16 PC Speaker PL17 Parallel Port Interface PL18 Floppy Disk Interface COM2 RS232 Serial Port COMI RS23
20. B Comments Issue A V1 Iss3 990611 Initial Release Issue B V1 Iss3 990715 ECO 2830 Arcom Page 5 2192 10048 000 000 J629 SBC MediaGX Features e CPU gt National Cyrix MediaGX 233MHz MMX enhanced processor Chipset gt National Cyrix CX5530 I O Companion Cache gt 16K L1 write back cache e BIOS S Award Software PCI Plug and Play BIOS in Flash EPROM gt Intel Chips amp Technologies 69000 HiQVideo BIOS gt Onboard reprogramming System Memory gt Up to 128MB Unbuffered 3 3V SDRAM e Silicon Disk gt Up to 16MB Intel Strata Flash gt Datalight FlashFX Flash filling system Video Intel Chips and Technologies 69000 HiQVideo Controller 2MB integrated SDRAM XVGA for CRT and Flat panel displays 32 bit PCI Local bus interface VGA BIOS integrated into system ROM Simultaneous CRT and Flat panel display e Integrated I O gt NS97317 with built in Real Time Clock and Keyboard controller Audio gt Cyrix XpressAAUDIO 16 bit SoundBlaster compatible gt National LM4548 CODEC gt Line IN Line OUT and Microphone e Enhanced IDE gt Bus Mastering mode up to two devices gt Supports PIO Mode 4 or Ultra DMA 33 Hard Disk and ATAPI CD ROM e FDD Interface gt Supports two floppy drives 360KB 720KB 1 2MB 1 44MB 2 88MB Parallel Port gt High speed parallel port SPP EPP ECP mode gt BIOS Configurable e Serial Ports gt Four 16C550 compatible high speed UART s
21. COM2 COM4 COM1 COM3 Audio Controller Floppy Disk Printer Real Time Clock Unassigned 10 Ethernet COM4 11 69000 VGA COM3 12 Mouse 13 Coprocessor 14 IDE 15 Universal Serial Bus USB rcom CONTROL SYSTEMS Page 46 J629 SBC MediaGX 2192 10048 000 000 These IRQ signals are routed to the PC 104 interface as well as the onboard devices PC 104 boards can only use these signals if they are unassigned or the onboard device is disabled Some of the interrupt lines are connected to PCI devices on board these are the Ethernet controller VGA controller and USB device During the Plug and Play BIOS configuration these devices are configured to use an available IRQ line The table shows the default IRQ routing for these devices If the devices are disabled or an adapter card is plugged into the PC 104 Plus interface which requires an interrupt this routing may change Before using these interrupts check that the appropriate line is not already configured for another device If you need to free up a particular interrupt it may be possible by setting the PNP PCI Configuration in the BIOS setup screen If an interrupt line is selected to support Legacy ISA mode it will not be used by the Plug and Play BIOS and will remain free for ISA bus use This will normally only apply to IRQ lines that are greater than IRQ9 as the lower order interrupts are already assigned to ISA bus devices Care should be taken when configuring
22. F Troubleshooting s serre ea rre 74 Page 4 rco m CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Introduction This manual describes the operation and use of Arcom Control Systems SBC MediaGX single board computer lt has been designed to be used as a reference and user manual and includes information on using all aspects of the board This manual should have been supplied as part of an SBC MediaGX development kit and you should have already read the Quickstart manual supplied The SBC MediaGX is a high performance high functionality multimedia PC AT compatible processor board designed to be embedded into OEM equipment It contains all the standard features found in a PC AT system with some embedded and multimedia additions These include silicon disk drive Ethernet 16 bit SoundBlaster PC 104 Plus expansion bus MMX enhanced CPU and high performance flat panel VGA controller Once you have completed development the board can be purchased in the following standard variants SBC MediaGX 233 M0 F0 233MHz CPU No DRAM No Flash SBC MediaGX 233 M0 F8 233MHz CPU No DRAM 8MB Flash SBC MediaGX 233 M32 F0 233MHz CPU 32MB DRAM No Flash SBC MediaGX 233 M32 F8 233MHz CPU 32MB DRAM 8MB Flash Other memory and flash variants may be available including F4 4MB Flash F16 16MB Flash M64 64MB DRAM M128 128MB DRAM Contact Arcom Control systems sales for pricing and availability Revision History Manual PC
23. GX PL24 Flash Access LED 2 way 0 1 pin header Pin Signal Name 1 Anode 2 Cathode PL25 In System Programming header This connector is used at assembly time only PL27 16 bit SoundBlaster 10 way 0 1 pin header Pin Signal Name Pin Signal Name 1 Ground 2 MIC IN 3 Ground 4 LEFT IN 5 Ground 6 RIGHT IN 7 Ground 8 LEFT OUT 9 Ground 10 RIGHT OUT 2192 10048 000 000 Page 65 2192 10048 000 000 J629 SBC MediaGX PL28 Flat Panel Interface Connector 68 way Thomas amp Betts SYSTEM 311 header Pin Signal Name Pin Signal Name 1 Ground 2 PO 3 P1 4 P2 5 Ground 6 P3 7 PM_ _ 8 PS 9 Ground 10 P6 11 P7 12 P8 13 Ground 14 P9 15 P10 16 P11 17 Ground 18 P12 P14 P15 23 P16 24 P17 25 Ground 26 P18 27 P19 28 P20 29 Ground 30 P21 P23 P24 35 36 P26 37 38 P27 39 40 P29 41 42 P30 P32 P33 47 P34 48 P35 49 Ground 50 SHFCLK 51 Ground 52 LP 53 Ground 54 M FLM ENAVDD 59 Ground 60 Ground 61 VDDSAFE 62 BLKSAFE 63 Ground 64 Ground 65 ENABLK 66 ENAVEE 67 Ground 68 Ground 2 68 LY LJ l 67 Page 66 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Appendix B Specification CPU Memory VGA Video Resolution Peripherals Expansion Temperature Humidity National Cyrix MediaGX MMX enhanced processor 16MB 32MB 64MB 128MB 3
24. J629 SBC MediaGX 2192 10048 000 000 Arcom SBC MediaGX EBX Compatible Embedded Processor Card Technical Manual Product Information Full information about other Arcom products is available via the Fax on Demand System Telephone Numbers are listed below or by contacting our WebSite at www arcomcontrols com Useful Contact Information Customer Support Sales or for the US E mail Tel 44 0 1223 412 428 Tel 44 0 1223 411 200 icpsales arcomcontrols com Fax 44 0 1223 403 409 Fax 44 0 1223 410 457 E mail support arcom co uk E mail sales arcom co uk United Kingdom United States Belgium Germany Italy Arcom Control Systems Ltd Arcom Control Systems Inc Groen Nummer Kostenlose Infoline Numero Verde Clifton Road 13510 South Oak Street Tel 0800 7 3192 Tel 0130 824 511 Tel 0800 790841 Cambridge CB1 7EA UK Kansas City MO 64145 USA Fax 0800 7 3191 Fax 0130 824 512 Fax 0800 780841 Tel 01223 411 200 Tel 816 9417025 FoD 0130 860 449 FoD 0800 873600 i France Fax 01223 410 457 Fax 816 941 0343 FOD 01223 240 600 FOD 800 747 1097 Numero Verto Netherlands Tel 0800 90 84 06 Fax 0800 90 84 12 FoD 0800 90 23 80 Gratis 0800 Nummer Tel 0800 0221136 Fax 0800 022114 Go Whilst Arcom s sales team is always available to assist you in making your decision the final choice of boards or systems is solely and wholly the responsibility of the buyer Arcom s entire liability in respect of the boards or systems is
25. N OFF during normal operation to preserve the life of the tube The flat panel signals are configured by the VGA BIOS during the power up process The default BIOS is designed to drive the 6 5 NEC TFT panel that is supplied as part of the flat panel development kit If you are using a different type of panel then the BIOS will need to be modified to configure the device correctly The support CD ROM contains BIOS image files for flat panel displays that have been tested by Arcom Control Systems These images can be programmed into the BIOS EPROM using the AWDFLASH utility See the Software Support section for details The CD ROM also contains connection information for each of these displays If the display you wish to use in your application is not listed on the CD ROM then contact Arcom Control Systems technical support at support arcom co uk as the list of displays is continually updated The support CD ROM contains drivers for Windows 3 11 Windows 95 Windows 98 and Windows NT 4 0 Other drivers may be available from the Intel internet site at www intel com The drivers supplied can be used to support standard video orientation as well as portrait mode for some operating systems Interrupt Assignments The SBC MediaGX233 contains two 8259 interrupt controllers which are cascaded in the standard PC AT compatible format The table below shows the IRQ routing of the on board devices IRQ Usage 8254 Timer Keyboard Cascade
26. OWER MANAGEMENT SETUP PNP PCI CONFIGURATION INTEGRATED PERIPHERALS SUPERVISOR PASSWORD USER PASSWORD IDE HDD AUTO DETECTION SAVE amp EXIT SETUP LOAD BIOS DEFAULTS EXIT WITHOUT SAVING LOAD SETUP DEFAULTS Esc Quit CAVI Select Item F10 Save Exit Setup Shift F2 Change Colour STANDARD CMOS SETUP This setup page includes all the items in a standard compatible BIOS BIOS FEATURES SETUP This setup page includes all the items of Award special enhanced features CHIPSET FEATURES SETUP This setup page includes all the items of chipset special features POWER MANAGEMENT SETUP This menu provides functions for Green products by allowing users to set the timeout value for monitor and HDD PNP PCI CONFIGURATION SETUP This menu allows the user to modify PNP PCI configuration function LOAD BIOS DEFAULTS BIOS defaults indicates the most appropriate value of the system parameter which the system would be in minimum performance LOAD SETUP DEFAULTS Chipset defaults indicates the values required by the system for the maximum performance rcom Page 20 CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 INTEGRATED PERIPHERALS This section includes all the items of IDE hard drive and Programmed Input Output features SUPERVISOR PASSWORD Change set or disable password It allows you to limit access to the system and setup or just to setup IDE HDD AUTO DETECTION Automatically configu
27. TEMS Page 69 2192 10048 000 000 J629 SBC MediaGX PL2 Flat Panel Interface Connector 60 way 0 1 boxed header Pin 1 PO o 3 s 5 o o 7 se 9 10 P6 sd o o 11 P7 P8 gt 13 Ground P9 oo 15 P10 P11 cala 17 Ground P12 a 19 P13 P14 oo 21 Ground P15 Far 23 P16 P17 oo 25 Ground P18 o y 27 P19 P20 oo 29 Ground P21 o 5 31 P22 P23 oa 33 Ground P24 ci 35 P25 P26 bo 37 Ground P27 oo 39 P28 P29 nr 41 Ground P30 oo 43 P31 P32 5 i 45 Ground 46 P33 47 49 51 53 gt 57 59 Ground 60 VDDSAFE PL3 Backlight Inverter 6 way Dubox header Pin Signal Name Ground 1 2 3 BLKSAFE 4 BLKSAFE 5 6 Brightness Control Low Brightness Control High PL4 Contrast Potentiometer 2 way Dubox header Signal Name Brightness Control Low i Brightness Control High Page 70 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 SBC MediaGX FPIF Diagram 2 70 SA pa PL4 O O A fps i o h PP PR 69 00 80 00 3 LO oo O O DO 45 00 AQ oo Arcom Page 71 2192 10048 000 000 J629 SBC MediaGX Connection Details for 6 5 NEC display NL6448AC20 06 The following table provides connection details for the 6 5 NEC flat panel which is sup
28. U Internal Cache External Cache These two categories speed up memory access However it depends on CPU chipset design The default value is Enabled Enabled Enabled cache Disabled Disabled cache Quick Power On Self Test This category speeds up Power On Self Test POST after you power on the computer If it is set to Enable BIOS will shorten or skip some check items during POST Enabled Enable quick POST Disabled Normal POST Boot Sequence This category determines which drive computer searches first for the hard disk operation system i e DOS A C SCSI System will first search for floppy disk drive then second search hard disk driver then SCSI driver C A SCSI D A SCSI E A SCSI F A SCSI System will first search for IDE hard disk driver C D or E or F then second search floppy disk driver then SCSI hard disk driver SCSI A C System will first search SCSI hard disk driver then second search for floppy disk driver then EDI hard disk driver CDROM C A System will first search for the hard disk driver If the CDROM has a bootable CD title and second search hard disk driver then floppy disk driver CDROM A System will first search for the hard disk driver and second search for CDROM driver If the CDROM has a bootable CD title then search floppy disk driver LS120 C System will first search LS120 disk driver and second search for IDE hard disk driver Swap Floppy Drive Users can enable
29. WR BTN Instant OFF Esc Quit lt 0NV gt Selection Item F1 Help PU PD Modify F5 Old Values Shift F2 Colour F6 Load BIOS Default F7 Load Setup Default This category determines the power consumption for the system after selecting below items Default value is Disabled The following pages tell you the options for each item amp describe the meaning of each options Note Suspend function doesn t work if the Power Management item is set to disabled Please enable the Power Management item before you can run the suspend mode rcom Page 29 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX Item Options Descriptions A Power Management 1 Disable Global Power Management will be disabled 2 User Define Users can configure their own power management 3 Min Saving Pre defined timer values are used such that all timers are in their MAX value 4 Max Saving Pre defined timer values are used such that all timers are in their MIN value Item Options Descriptions A HDD Power Down 1 Disable HDD s motor will not turn off Remark 2 2 1 Min Defines the continuous HDD idle time before the HDD 2 Min entering power saving mode motor off 3 Min 4 Min 5 Min 6 Min 8 Min 10 Min 12 Min 15 Min 16 Min 20 Min 30 Min 40 Min 60 Min Note When HDD is in power saving mode any access to the HDD will wake the HDD up Page 30 rcom
30. X 2192 10048 000 000 Appendix D SBC MediaGX FPIF The SBC MediaGX development kit contains a small interface board for the flat panel signals The flat panel connector on the SBC MediaGX is a 68 way high density IDC style connector When attaching flat panels during development it is difficult to connect to the ribbon cable Therefore the Flat Panel Interface Board FPIF was developed to route the signals to more conventional style connectors The FPIF board has four connectors PL1 is a 68 way SYSTEM311 IDC style connector which is pin pin compatible with the flat panel connector on the SBC MediaGX and is designed to be connected via a 1 1 ribbon cable PL2 is a 60 way 0 1 boxed header This connector contains the panel data and control signals for the flat panel display A suitable Crimp and Poke style connector can be obtained from various sources for this connector and this allows easy connection to different styles of flat panel display A suitable cable is supplied in the kit which interfaces to the NEC 6 5 flat panel PL3 is a 6 way Dubox style connector that is designed to interface to the backlight inverter PL4 is a 2 way Dubox header that can be used to add a CONTRAST potentiometer for the backlight brightness The following tables show the pin assignment for each connector PL1 SBC MediaGX Interface Connector 68 way SYSTEM311 header See connection details for PL28 on SBC MediaGX in Appendix A rcom CONTROL SYS
31. address 260H and the bit definitions are shown in the table below I O 260H Write Shutdown COMI 0 Enabled Default Shutdown COM2 1 Disabled Shutdown COM3 Shutdown COM4 No Function No Function No Function No Function Arcom Page 55 2192 10048 000 000 J629 SBC MediaGX Status LED s There are three status LED s on board the following table describes their functions 1 Red Flash Access Each time the flash array is accessed this LED will illuminate ON during normal operation ON during Suspend Mode Power LED will extinguish PC Speaker An 8 ohm speaker may be connected to PL16 The speaker can be used to notify the user of an error condition during POST or normal operation The speaker output is controller by counter 2 output of the 8254 counter timer Refer to PC software programming guides for more information The speaker output is also fed to the Audio CODEC and will be mixed with the standard audio output Suspend Resume Switch If the power management features are enabled the processor will be switched into a suspend state after a defined period of inactivity A momentary switch connected between pin 1 and 2 of PL15 will cause the board to return from this suspend state when pressed Pressing this switch during normal operation will immediately cause the system to enter the suspend state During suspend all CPU operations will be halted and the board will be placed in a low power st
32. age 73 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX Appendix F Troubleshooting The SBC MediaGX board is delivered Ready to Run and will automatically start running and load an operating system Either from flash memory or disk drive when power is applied Once the board is running the information in this manual will provide you with guidelines and connection details for attaching peripherals and using the board If you are experiencing problems with a particular feature of the board please refer to the relevant documentation to ensure that the board is configured correctly If you are still experiencing problems then contact Arcom Control Systems technical support team who will be able to offer advice and investigate the problem If the board does not start running when power is applied and the display remains blank then there may be a problem with the system configuration Follow the steps below to determine the cause of the problem 1 Switch OFF the SBC MediaGX and disconnect from the power supply Switch ON the supply and measure the output voltage with a digital voltmeter DVM This should be between 4 75V and 5 25V If this is incorrect adjust and re apply power to the board If the board does not work go to step 2 2 With the power supply connected and switched ON Check the voltage at the power connector PL12 between pin 1 5V and pin 2 GND If this voltage is outside the tolerance in step 1 adjust the main
33. ard has started to boot to allow you to perform some pre defined operations These include booting ROM DOS reprogramming the BIOS using AWDFLASH installing the flash BIOS extension reformatting the flash disk and copying the system files to the flash disk Once the appropriate selection has been made the software will perform the operation automatically Operating System Drivers The support CD contains drivers for the Intel Chips and technologies 69000 VGA controller Realtek Ethernet controller Cyrix National XpressAUDIO device and Bus Mastering IDE controller The next three sections provide details for installing these drivers for Windows 95 98 and NT 4 0 The CD also contains drivers for some other operating systems and users should refer to the documentation on the CD for more details Note D is used in the following sections to represent the CD ROM drive Replace with the appropriate letter for your system Windows 95 Driver Support Install Windows 95 as detailed in the Windows documentation When prompted do not select a network adapter sound or video card driver Once the operating system has completed installation follow the steps detailed below to install each driver Installing Cyrix MediaGX drivers Using the Run command on the Start menu select the following file from the support CD ROM D Windows9x Cyrix MediaGX Certified Win9x Drivers 4 0 The program will automatically prompt you for input and you will be requested for
34. arted The watchdog timer can be disabled permanently by removing user link LK7 This feature may be useful during debug development User Links There are two user links on the SBC MediaGX LK12 and LK13 The status of these user links can be read via I O address 259H bits 1 and 2 If the link is made then the corresponding bit will be read as a logic 0 See the link section for further details These links do not have any defined function on the board therefore can be used to select options in the application program USB Interface There are two Universal Serial Bus USB interfaces on the SBC MediaGX These interfaces have been designed to support the Open Host Controller Interface OpenHCl There are four signal lines associated with each USB channel VBUS DATA DATA and GND A USB power control switch is used to control the power and protect against short circuit conditions This can be enabled disabled by the processor and the USB function needs to be enabled in the BIOS to ensure that power is supplied to each device The USB feature is controlled via the setup program and is displayed in the Chipset Features screen USB Port PL8 USB Port 1 2 e VBUS 1 e 2_VBUS O DAR _ 3 e 4 DATA e a a s jah e GND 7 18 GND 9 e o 10 Page 50 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 If the USB voltage is short circuited or more than 500mA is drawn from e
35. as set out in Arcom s standard terms and conditions of sale HATAL If you intend to write your own low level software you can start with the source code on the disk which is supplied This is example code only to illustrate use on Arcom s products It has not been commercially tested No warranty is made in respect of this code and Arcom shall incur no liability whatsoever or howsoever arising from any use made of the code Certificate No FM 12961 Arcom Control Systems Ltd operate a company wide guality management system which has been 1999 Arcom Control Systems Ltd certified by the British Arcom Control Systems is a subsidiary of Fairey Group Plc Standards Institution All trademarks recognised BS as compliant with 1S09001 1994 rcom Page CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX Disclaimer The information in this manual has been carefully checked and is believed to be accurate Arcom Control Systems assumes no responsibility for any infringements of patents or other rights of third parties which may result from its use Arcom Control Systems assumes no responsibility for any inaccuracies that may be contained in this document Arcom Control Systems makes no commitment to update or keep current the information contained in this manual Arcom Control Systems reserves the right to make improvements to this document and or product at any time and without notice Anti Static Handling This b
36. ate Once the board comes out of this state execution will continue from the point where it entered the suspend state RESET Switch A momentary switch may be connected between pin 1 and 2 of PL14 If the switch is pressed it will cause the board to be reset All onboard devices will be reinitialised and the BIOS will start executing from the top of memory This may be useful during development to restart the board after a software crash CPU Fan Control The CPU fan connector PL5 can be used to supply power to a 5V or 12V Fan The centre pin of this connector is used to source power The other two pins are connected to ground when the FAN is switched ON The BIOS will switch the FAN OFF if the board enters the suspend mode Selection between 5V and 12V is performed at assembly time The default setting supports a 12V fan The SBC MediaGX uses a passive heatsink as standard and therefore this connector is not normally used If the board is going to be used in a particular environment where the ambient temperature may exceed the current limits a fan may be reguired Please contact Arcom Control Systems technical support for further information Page 56 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Appendix A Connector details PL1 Ethernet RJ45 8 way RJ45 8 PL2 COM3 RS232 Serial Port 10 pin 0 1 boxed pin header Pin Signal Name Pin Signal Name 1 DSR on
37. ble below shows the configuration for each channel Port I O Address IRQ Connector RS232 RS422 485 COM2 2F8 2FFH IRO3 PL19 N A COM4 2E8 2EFH IRQ3 or IRQ10 PL3 PL4 The RS232 signals are routed to 10 way 0 1 boxed header which are designed to provide direct connection to 9 way D type plugs The serial ports provide support for various baud rates up to a maximum of 115Kbaud The Award BIOS will detect the serial ports during the POST process and configure the baud rate data stop bits etc The table above provides details of the IRO signal associated with each channel If the standard IRQ3 and IRQ4 assignments are used then only one of the channels can be configured to use each interrupt If your system requires more than two interrupts then the other ports can be configured to use IRO10 and IRO11 These interrupts may be assigned to PCI devices during the Plug and Play BIOS initialisation Therefore you should select Legacy ISA for these interrupts in the PNP PCI Configuration setup screen Note COM3 can be used to support either the standard RS232 interface or if the Touchscreen interface is reguired then this is accessed via this port Refer to the Touchscreen section for details RS422 485 Interfaces The COMA serial interface can be used to support RS232 RS422 and RS485 interfaces The default configuration has been selected to enable RS232 operation RS422 The RS422 interface provides full duplex communication
38. boxed pin header 00000 00000 Note This pin out is designed to provide a 1 1 connection to a 9 way IDC D Type plug PL21 VGA CRT connector 16 way 0 1 boxed pin header Pin Signal Name Pin Signal Name Ground No Connect m er 7 No Connect No Connect aa 9 Ground 10 Ground BB YSYNC O No Connect L VSYNC No Connect No Connect Page 62 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 PL22 IDE Disk Interface 40 way 0 1 boxed pin header Pin Signal Name Signal Name 1 3 D7 4 D8 40 o o 39 5 D6 6 D9 oo 7 D5 8 DIO Li 9 D4 10 D11 oo 11 co E 15 t 17 DO 18 D15 oa 2 19 20 No Connect E 21 DREQ 22 Ground oo 23 24 o 25 26 o o 27 28 A 29 Ground 2 i E 31 IOCS16 33 No Connect 35 SA2 37 38 39 40 Arcom Page 63 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX PL23 amp PL26 PC 104 Connector Row A amp B 64 way 0 1 Non Stackthrough PC 104 compatible connector Row C amp D 40 way 0 1 Non Stackthrough PC 104 compatible connector Ground Ground Ground SBHE MEMCS16 RSTDRV LA23 IOCS16 5V LA22 IRQ10 ENDXFR DACK0 12V DRQ0 KEY DACK5 AEN SMEMW DRQ5 D8 A19 ISMEMR__ D9 DACK6 D13 5V D14 MASTER D15 Ground Ground IRQS IRQ4 IRQ3 IDACK2 Page 64 Arcom J629 SBC Media
39. chnical Support Arcom Control systems has a team of technical support engineers who will be able to provide assistance if you have any problems with this product Please contact the support team at support arcom co uk Page 2 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Contents Tate AAA neue Basar ee 5 Features ze O04 2 raider i DU UR DAR here 6 Getting Started radiale EB DE ee 8 Using the SBC MediaGX as Sub AR DER GU EGG ee dees eed 8 CPU Confg ratioN ociosa sarro teen Bd EB EE oE dr Ny yd FU 8 Install eu RR HN REC NN FRON esta ed oe 8 Connecting a Floppy disk drive sso repeat OEE EL SEWERS 9 Connecting a Hard disk Ave s te 23 42 YL GG GG DDA dor GE dwU GE eas 9 Connecting a CD ROM IDE Type Sab GR a OCA Ed 9 Connecting a Mouse idsrcrrrs iron torera eras 9 Using the Serial interfaces R8232 RR FFR nern 9 Connecting a Prinier Y Y OY bs a aa he 10 Using the Audio TOQUES Liri lira GAD RUG OH Gw dake 11 Using the Flat Panel Interface gt ieri Eee YFED A UR UR 12 Using the PC 104 Plus expansion BUS 12 Using the USE PONS see PALOSCO anni 12 Using the Ethernet Interface 13 Links amp CONMCCIONS socos Go GON a in antenne RUN eae BOED DO EDD 14 LINKS tania ps Y o eh eee Sa annienta 14 LOMICCIOS esto capa dad a a e podia lette 17 AWARD BIOS Setup kb a a AE ER EG UND RR RE Ru Eh 18 Entering Sep sa een RA Ed O OD ra Goy Myd ud Fd 18 Getting Ru gt R RESET A I HR AEN FF EY Rie E 19 The Main Menu as aeg 2420 0
40. connected to either active speakers or an amplifier module Connection is made via a 10 way 0 1 header PL27 See Appendix A for pin assignments The Audio device is connected to the PCI bus and to ensure backward compatibility it must be setup to respond to standard audio I O address mapping and IRQ DMA signals The BIOS can be configured to set the appropriate locations The following settings are configured in the BIOS as default These can be modified during POST by entering setup and selecting the Integrated Peripherals screen Audio I O Base Address 220H MPU 401 VO Base Address 330H Audio IRQ Select IRQ5 Audio Low DMA Select DMA 1 Audio High DMA Select DMA 5 Drivers are supplied on the support CD ROM for Windows 95 Windows 98 and Windows NT 4 0 rcom CONTROL SYSTEMS Page 49 2192 10048 000 000 J629 SBC MediaGX Watchdog Timer The SBC MediaGX contains a watchdog timer which can be used to protect against erroneous software There are two timeout periods available either 2 or 8 seconds depending on the position of LK8 The watchdog timer is disabled by a RESET and can be started by performing an I O write to location 93H Any value will cause the timer to start If another I O write to this location is not performed within the timeout period the board will be RESET Writes must be continually performed to enable the board to function correctly there is no software disable mechanism once the timer is st
41. e 15 way D Type High Density 1 2 6 3 2 BLUE Ground No Connection 9 Ground i O 10 Ground 5 Ground No Connection No Connection Page 44 rcom J629 SBC MediaGX 2192 10048 000 000 The flat panel signals are routed to a 68 way Thomas amp Betts SYSTEM311 high density connector PL28 These signals provide the flat panel data and control signals The flat panel interface can be configured to drive various types of panel Each interface redefines the function of the panel data lines The following table provides a cross reference between the flat panel output signals and their function when configured for different displays rcom CONTROL SYSTEMS Mono Mono Mono Colour Colour Colour Colour Colour Colour Colour Colour Colour SS DD DD TFT TFT TFT TFT STN STN STN STN STN HR SS SS DD DD DD Pin 8 Bit 8 Bit 16 9 12 16 18 24 36 Bit 18 24 8 Bit 16 Bit 8 Bit 16 Bit 24 Bit Name Bit Bit Bit Bit 4bp 4bp 4bp 4bp PO DO UD3 UD7 BO BO FBO RI RI URI URO URO PI DI UD2 UD6 BI BI FBI FBI BI GI UGI UGO UGO P2 D2 UDI UD5 B2 B2 FB2 G2 BI UBI UBO UBO P3 D3 UDO UD4 B3 B3 FB3 FB3 R3 R2 UR2 URI LRO P4 D4 LD3 UD3 B4 B4 FB4 SBO B3 G2 LRI LRO LGO P5 DS LD2 UD2 GO B5 FB5 SBI G4 B2 LGI LGO LBO P6 D6 LD UDI G1 B6 SBO SB2 R5 R3 LB1 LBO URI P7
42. e under DOS If a bootable CD is inserted in the drive the BIOS can be configured to automatically boot from this CD Connecting a Mouse A PS 2 mouse can be connected to PL7 A suitable mouse is supplied as part of the development kit A driver has been included on the support CD ROM to enable this mouse to be used under DOS Windows 95 98 will provide mouse support via built in drivers Using the Serial interfaces RS232 The four serial port interfaces on the SBC MediaGX are fully PC compatible They are decoded at standard PC address locations for COM1 COM2 COM3 and COMA PC applications will be able to use these ports without any special configuration COM3 and COM4 can use non standard IRO lines which enables all four ports to have an individual IRQ assigned See link section for details Connection to the serial ports is via a 10 way boxed header The pin assignment of these headers has been arranged to enable a 9 way IDC D Type plug to be connected directly to pins 1 9 on the cable The D Type connector will be compatible with the standard 9 way connector on a desktop machine A suitable cable is provided in the development kit Arcom Paseo 2192 10048 000 000 J629 SBC MediaGX The following table shows the connection details for this cable Signal Name 9 way D Type Plug Data Carrier Detect DCD 1 Data Set ready DSR Receive Data RX Reguest To Send RTS Transmit Da
43. ecification 11 EBX Specification If you are trying to locate information on a specific function which is not included above then refer to Appendix E which contains references to some relevant internet sites Please refer to the documentation on the CD ROM for the latest information rcom CONTROL SYSTEMS Page 39 2192 10048 000 000 J629 SBC MediaGX Detailed Hardware Description The following section provides a detailed description of the functions provided by the SBC MediaGX This information may be required during development once you have started adding extra peripherals or are starting to use some of the embedded features Processor The National Cyrix MediaGX processor is an MMX Enhanced Pentium class processor It has been designed to provide a low power low cost fully integrated PC AT compatible system The MediaGX is a 64 bit x86 compatible device and has 16K L1 write back cache integrated into the processor The device also contains an integrated floating point unit A 233MHz part is used on the SBC MediaGX this part is supplied with a 33MHz clock signal and multiplied within the device The processor has two supply rails the core is powered from a 2 9V source and the I O is powered from 3 3V These voltages are generated on the SBC MediaGX from the main 5V supply input Along with the CX5530 I O companion chip the MediaGX provides a Synchronous DRAM controller VGA Video Controller PCI 2 1 compatible bus controller
44. ed disabled in the Chipset Features menu Once this device has been enabled the PCI Plug and Play BIOS will set up the control registers and the device will be available for use The standard USB connector is a 4 way socket which provides power and data signals to the USB peripheral The 10 way header PL8 has been designed to be compatible with PC expansion brackets which support two USB sockets Refer to the USB section in this manual and Appendix A for more details Page 12 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 The USB device will be supplied with a driver that must be installed to enable the device to be used Refer to the documentation supplied with the device Using the Ethernet Interface The Realtek RTL8139A Ethernet controller will be configured by the Award Plug and Play BIOS during the POST process Drivers for various operating systems are supplied on the support CD ROM the appropriate driver must be loaded before the ethernet interface can be used Connection is made via the 8 way RJ45 connector PL1 A second connector PL6 provides outputs that can be used to control LED s for TX RX and LINK status Arco m Page 13 2192 10048 000 000 J629 SBC MediaGX Links and Connectors Links There are thirteen user selectable links on the SBC MediaGX The following section provides details on these links The sign indicates the default position for each link PL7 PLO PL21 PL18 EA PL19 PL
45. ede a pirata 44 Interr pt Assignments coronaria arpa 46 DMA Controller xx cerraron atada rata ais lara 47 IDE Anterlace ecese kereses stantu ada e AAA DRE RE aes 47 Floppy Disk Controller 4 4 u 20H a eee a a GR A FE AR 48 Real TIMEBIOER ss out Ia A a i 48 Keyboard Mouse Controller see carter i 48 Ethernet Controller zer 4er na sore spo ta yd eye DYDD EOG 6245884 49 16 Bit SoundBlaster RR 425428 deed rr a Y Leni NN 49 Watchdog TIMEr UT taste eI IT YAR YC CC O EA FEN RF 50 Wis a TEN HEH AE ERYN NN YR TRE ER TY HR 50 USBINIEHACE e zus se ana sato ene a een ir 50 Touchscreen Controler siriani era ere aaa e i 51 General POpose MO pride aiar ae 51 CPU Temperature Sensor 2 22 52 casa dua iari LE ee re ua 52 PC 104 Plus Interface ac se 004 WR nn an ARE EE br UR UDA 53 eile A Y FY GU PG RG oad EA O ere ee ne ees OL 53 Parallel Potosi ok bat Meee AE OO eke GO EDD vaio 54 FOWOMOUDDIY israele eee nio UG GG dated 54 PO OpCdKel eene nran ai erion doeii i e ee we 220 ive tee eee ARY 56 SUSPENA AESUMNG SWC crsa mocam ana lari li ab seh bed 56 RESE FSW 202 ee et ee een 56 CPU Fan COMMON soti che ear mannana aea da poa A ee e Ri 56 Appendix A Connector details nennen nennen 57 Appendix B Specifications si a eden SEE e De a ate 67 Appendix C SBC MediaGX Mechanical Diagram F eee 68 Appendix D SBC MediaGX FPIF raw rs GREU UR ER UR DUR Ea ad 69 Appendix E Reference Information ee sea saurer here bes 73 Appendix
46. el display output can be used to support monochrome single scan STN dual scan STN TFT EL and Plasma displays The TFT output can be used to support up to 36 bit displays The 69000 contains 2M bytes of synchronous DRAM included within the device This memory is used to support the standard VGA frame buffer and can be used to provided an extra buffer when driving a dual scan panel to synchronise the display data The following table shows the video resolutions supported by the 69000 with the corresponding number of bits per pixel Bit Per Pixel 640 x 480 8 16 24 800 x 600 8 16 24 1024 x 768 8 16 1280x 1024 8 The flat panel and CRT interface signals are routed to two separate connectors both displays can be driven simultaneously The ability to drive both displays is dependant on the particular timing parameters of the flat panel display It is not always possible to select appropriate clock rates to achieve an output on the CRT and flat panel displays The CRT output signals are routed to a 16 way 0 1 boxed header PL21 These signals will normally be connected directly to a VGA compatible CRT monitor A suitable cable is provided as part of the SBC MediaGX development kit The following table shows the connection details for this cable The CRT signals may be affected by noise and therefore this cable should be keep as short as possible and should be routed away from other signals to stop any crosstalk PL21 Pin Signal Nam
47. enable the disk to be accessed using standard DOS routines The FlashFX software is installed during the POST process as a BIOS extension This enables the flash disk to be used as a boot disk This will be the default boot device if a hard disk drive is not present in the system When shipped the flash memory will be formatted and configured as a ROM DOS system disk The FlashFX software has been designed to incorporated wear levelling algorithms The wear levelling ensures that the flash memory is used evenly and that no one sector is continually being written to This enables the write performance of the flash device to be maximised The support CD ROM contains utilities which can be used to ensure that the flash disk is configured correctly See the README file in the FlashFX section of the support CD ROM If the flash disk gets corrupted for any reason these utilities can be used to reformat the flash The Bootdisk provides an automatic mechanism for reformatting the flash memory and copying the ROM DOS operating system AWDFLASH Utility The AWDFLASH uiility provides users with the ability to update the BIOS used on the board This may be required if you experience any incompatibilities with the BIOS and a later version is available The main reason for using this utility however is to allow the VGA BIOS to be configured for your particular choice of Flat panel display The VGA BIOS has been incorporated into the system BIOS flash device T
48. er gt Supervisor User Password Setting ENTER PASSWORD When you select this function the following message will appear at the centre of the screen to assist you in creating a password Type the password up to eight characters and press lt Enter gt The password typed now will clear any previously entered password from CMOS memory You will be asked to confirm the password Type the password again and press lt Enter gt You may also press lt Esc gt to about the selection and not enter a password If you select System at Security Option of BIOS Features Setup Menu you will be prompted for the password everytime the system is rebooted or anytime you try to enter Setup If you select Setup at Security Option of BIOS Features Setup Menu you will be prompted only when you try to enter Setup IDE HDD Auto Detection This feature allows you to check all the informations on your hard disk formation When you access IDE HDD Auto Detection the system executes auto detection At the prompt it represents all the informations on your HDD and you are asked Do you accept this drive C Y N 1 If you accept the test result press Y then Enter and the result is saved then the system continues to detect another HDD 2 If not press N then Enter and the system continues to detect another HDD rcom Page 33 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX Software Support The development kit con
49. eration and the drivers suffer from various limitations Microsoft recommends only using Windows 98 and Windows 2000 if USB support is required Most USB peripherals are only supplied with drivers for these operating systems Windows 95 USB Support Windows 98 Driver Support Before installing Windows 98 power up the board and enter Setup using the lt DEL gt key In the BIOS Features screen set boot sequence to CD ROM C A and in the Chipset Features screen enable USB support if required Exit Setup and save changes Insert the Windows 98 CD into the drive and reboot the system A prompt will appear to enable you to start installing Windows 98 Complete installation as described in the Windows 98 user manual After installation the following drivers can be installed Page 36 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Installing Cyrix MediaGX drivers Using the Run command on the Start menu select the following file from the support CD ROM D Windows9x Cyrix MediaGX Certified Win9x Drivers 4 0 You will be prompted for the Windows 98 CD when required If you are asked to insert the disk labelled XpressAUDIO driver disk insert the support CD and supply the path D Windows Audio 5 05 00 1005 Installing the Chips HiQ 69000 Video driver Restart Windows when prompted The XpressAUDIO and PCI Bridge will be detected when the operating system loads Using the Run command on the Start menu select the following file
50. etect which devices are connected via this interface and configure the controller correctly The BIOS can be configured to make either the hard disk drive or CD ROM the default boot device If a hard disk drive is attached to this interface the default configuration will cause the drive to be used as the standard boot device and the flash disk if present will become the next available drive Arco m Page 47 2192 10048 000 000 J629 SBC MediaGX The IDE controller is a 32 bit PCI device and supports Ultra DMA 33 mode of operation The IDE controller also supports Bus Mastering mode and a suitable driver is supplied on the support CD ROM The 32 bit interface provides a much faster access speed than the original ISA style interface Floppy Disk Controller The floppy disk interface is designed to support up to two standard floppy disk drives Connections are made via a 34 way 0 1 boxed header PL18 See Appendix A for pin assignment details All standard capacities including 360KB 720KB 1 2MB 1 44MB and 2 88MB are supported The BIOS must be configured appropriately for the desired format using the Setup program The default BIOS configuration supports a single 1 44MB floppy disk drive configured as DRIVE A and if this drive contains a bootable floppy when the board is powered up it will be used as the default boot device If no drive is present the BIOS will continue to operate correctly The floppy disk drive cable should have three connecto
51. ey function correctly Various features can be programmed for each pin including direction control and pull up down resistors As the GPIO lines also share pins with dedicated functions these must be disabled if the line is to be used The support CD ROM contains some example C source code that can be used to configure the signals CPU Temperature Sensor An LM75 temperature monitor IC is located under the CPU socket on the SBC MediaGX This device can be used to monitor the ambient temperature and provide feedback if the temperature rises above a predefined level The LM75 has an I2C bus interface and is connected to three I O lines form the Super I O controller The following table shows the connection details NS97317 Line LM75 Signal Name GPIO10 SDA GPIO11 SCL P12 Data sheet s for the LM75 and NS97317 are supplied on the support CD ROM There is also an example program that shows how to configure the device and check the output level The output form the LM75 will normally be high but will go to logic 0 when the threshold level is reached The output will stay at logic O until the temperature has fallen below the hysterises level This output can be used to slow down the CPU and provide user warning if the ambient temperature becomes excessive Page 52 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 PC 104 Plus Interface The PC 104 Plus interface supports 8 16 bit ISA style PC 104 signals and 3
52. gisters correctly with the MediaGX processor The BIOS can also be configured to perform an exhaustive test on this memory during the POST process to ensure it is functioning correctly This will cause the boot time to be increased and may be disabled if this is important Page 40 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 BIOS EPROM A 256K byte Flash EPROM device is used to store the BIOS code This device can be reprogrammed in suit using the AWDFLASH utility supplied on the support CD ROM See the Software Support section for details The BIOS stored in this device is compressed to save space and is uncompressed during the power up process The system BIOS is copied into shadow RAM between 0E0000H and 0FFFFFH and the VGA BIOS is copied to 0C0000H The flash device is a 5V only device and there are no link settings required to enable programming Flash Memory Silicon Disk The SBC MediaGX board supports up to 16Mbytes of flash memory This memory is configured to be a read write silicon disk drive The Datalight FlashFX flash filling system will automatically be loaded during the POST routine to enable the flash drive to be accessed The flash drive uses a 16K memory window at 0DC000 0DFFFF to access the devices and two I O address locations are used to select the appropriate flash area The I O registers are shown below for information under normal circumstances the FlashFX driver should be used to access this memor
53. gt 3x RS232 and 1 x RS232 422 485 Interfaces gt gt gt gt gt gt Page 6 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 USB Interface gt Two Universal Serial Bus USB interfaces e Touchscreen gt _4 wire analogue resistive touchscreen controller Network support gt Realtek RTL8139A 10 100 BASETX Ethernet controller gt 32 bit PCI interface Expansion gt PC 104 Plus expansion bus gt 8 16 bit ISA compatible interface gt 32 bit PCI compatible interface Software Compatibility gt Datalight ROM DOS operating system license supplied with each board gt Windows 95 98 NT CE Linux QNX Other 80x86 compatible software applications Size gt EBX Compatible footprint 5 75 x 8 00 146mm x 203mm Arcom Page 7 2192 10048 000 000 J629 SBC MediaGX Getting Started The development kit contains a Quickstart manual that has been designed to enable users to set up and start using the board as soon as possible You should read this manual and follow the steps defining how to set up the board Once you have completed this task you will have a working SBC MediaGX system and can start adding other peripherals to enable you to start development The section below has been designed to guide you through setting up and using some of the features of the SBC MediaGX If you would like more detailed information on any aspect of the board refer to the Detailed Hardware Description sec
54. he VGA BIOS is configured for a particular mode of operation and if this does not match your reguirements the BIOS must be modified The support CD ROM contains pre built BIOS images for flat panel displays that have been configured by Arcom Control Systems The CD also contains connection details for each panel Refer to the README file on the CD for the latest list of flat panel displays Page 34 ercom J629 SBC MediaGX 2192 10048 000 000 Each BIOS image is 256K bytes and contains the complete BIOS code The AWDFLASH utility can be invoked from the DOS command line and should be supplied with the BIOS image file name required i e AWDFLASH BIOS1 BIN The program will automatically load the file and prompt you to confirm that you want to reprogram the BIOS ROM Once the device has been reprogrammed you should press F1 to reboot the system Note During this process it is important that you do not switch off the board as this may cause the BIOS ROM to be corrupted and this will stop the board from operating Bootdisk The CD ROM contains a ROM DOS bootdisk image The image is stored in the BOOTDISK directory and can be loaded onto a blank floppy disk using the FLWRITE utility which is stored in this directory Refer to the README file for the latest information The floppy disk image is compatible with a 1 44MB floppy disk The bootdisk can be used to load the ROM DOS operating system from a floppy disk drive A menu is provided once the bo
55. ice for long periods of time then the battery should also be disabled If the main supply is present on the board the battery automatically gets disconnected from the RTC circuitry The accuracy of the RTC is based on the operation of the 32 768KHz watch crystal This will provide an accuracy of 1 minute per month if the board is in an ambient environment of 25 C When the board is operated outside this temperature then the accuracy may be degraded Keyboard Mouse Controller An 8042 compatible keyboard controller provides support for a standard PC AT keyboard and mouse Both interfaces use a 6 pin mini DIN style connector the keyboard is connected via PL7 and mouse via PLY The keyboard controller is decoded at I O address location 60 64H and uses IRO1 for keyboard and IRO12 for mouse support Power for the Keyboard and mouse is sourced form the 5V supply and a resettle fuse protects the board if either interface is short circuited Page 48 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 The development kit is supplied with a PS 2 to AT adapter cable that can be used to convert between the mini DIN connector and the standard AT style connector The development kit also contains a PS 2 mouse that will plug directly into PL9 The Award BIOS will automatically detect the presence of the keyboard and mouse and provide support If these devices are not plugged in the BIOS will continue to operate correctly Ethernet Controller
56. ight cable The BIOS default configuration assumes that a 1 44MB floppy disk is connected as drive A If you require a different configuration you must configure the BIOS using the setup screen Note In order to support two floppy disk drives at the same time the 34 way cable should be fitted with three connectors The board connector and one of the drive connectors should be fitted 1 1 and the third connector should have a twist in the cable which swaps pins 10 to 16 on this connector Connecting a Hard disk drive Up to two IDE hard disk drives can be supported by the SBC MediaGX board Both drives should be connected to PL22 via a 40 way 1 1 ribbon cable The primary drive should be configured as a MASTER and the secondary drive as a SLAVE The BIOS will automatically detect the hard disk drive during the POST process and configure the hardware correctly The BIOS will attempt to load an operating system from the primary disk drive This drive will become DRIVE C once the operating system has loaded If the board is fitted with flash memory and this has been formatted as a silicon disk drive then it will be allocated as DRIVE D The secondary drive will be allocated the next available drive letter Connecting a CD ROM IDE Type If a CD ROM drive is required in the system it may be connected in place of the secondary drive detailed above The CD ROM should be configured as a SLAVE device Drivers will be required to support the driv
57. igned 8 bit value followed by the Y co ordinate value which is also an unsigned 8 bit value The Y co ordinate value is then sent again to distinguish between X and Y values The serial data is transmitted in the following format Baud 4800 Parity None Bits 8 Stop bit 1 The support CD contains some example source code that can be used as a basis for driver application development for Windows 95 98 NT other operating systems General Purpose I O Eight general purpose I O lines are provided on the SBC MediaGX These lines are routed to a 20 way 0 1 header PL13 The header provides unbuffered and buffered versions of the lines The buffered version can be used to drive higher output current up to 24mA per output than the unbuffered version The I O lines are connected to GPIO line from the NS97317 Super I O controller The table below shows the relationship between the GPIO lines on the super I O device and the I O lines on PLTS rcom Page 51 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX NS97317 GPIO Line PL13 GPIO Line GPIO20 1 00 GPIO21 I O1 GPIO23 VO2 GPIO24 1 03 GPIO16 1 04 GPIO37 1 05 GPIO12 GPIOI7 1 07 The following diagram shows the configuration of each I O line 5V o y Pn tenta Ns973127 vo GPIO Line Bufferd O PL3 1 8 74HCT244 OS AT PET IT The NS97317 GPIO lines must be configured using the registers built into the device to ensure th
58. ither supply the switch will turn OFF the power supply and automatically protect the device and board The VBUS signal is derived from the 5V supply via the SBC MediaGX Windows 98 automatically supports the USB features and Windows 95 can be used if the appropriate service pack is installed Drivers will be supplied for the various operating systems with each USB device The USB support in Windows 95 is first generation and the drivers suffer from various limitations Microsoft recommends only using Windows 98 and Windows 2000 if USB support is reguired Most USB peripherals are only supplied with drivers for these operating systems If you are looking for details on the USB bus or would like to determine whether particular peripherals are available then look at the following internet site www usb org Touchscreen Controller The four wire analogue resistive touchscreen interface can be used in place of the standard COM3 RS232 interface A user link LK1 is used to select between the RS232 interface Position A or the touchscreen interface Position B see link section for further details A second user link LK2 can also be used to select which IRO line is used to indicate that a touch has occurred The touchscreen controller contains an 8 bit analogue to digital converter and transmits a serialised bit stream corresponding to the A D outputs Each time the touch panel position is reported the X co ordinate value is transmitted as an uns
59. led Boot sequence A C SCSI D4000 D7FFF Shadow Disabled Swap Floppy Drive Disabled D8000 DBFFF Shadow Disabled Boot Up Floppy Seek Disabled DC000 DFFFF Shadow Disabled Boot Up NumLock Status On Boot Up System Speed High Gate A20 Option Fast Memory Parity Check Enabled Typematic Rate Setting Disabled Typematic Rate Chars Sec 6 Typematic Delay Msec 250 Esc Quit lt A gt Selection Item Security Option Setup F1 Help PU PD Modify PCI VGA Palette Snoop Disabled F5 Old Values Shift F2 Colour OS Select for DRAM gt 64MB Non OS2 F6 Load BIOS Default Report No FDD For WIN95 Yes F7 Load Setup Default Virus Warning This category flashes on the screen During and after system boots up any attempt to write to the boot sector or partition table of the hard disk drive will halt the system and the following error message will appear in the mean time you can run anti virus programs to locate the problem IWARNING Disk boot sector is to be modified Type Y to accept write or N to abort write Award Software Inc rcom Page 23 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX Enabled Activate automatically when the system boots up causing a warning message to appear when anything attempts to access the boot sector or hard disk partition table Disabled No warning message to appear when anything attempt to access the boot sector or hard disk partition table CP
60. lel Port EPP and Extended Capabilities Ports ECP support The parallel port is decoded at I O address location 378 37FH LTP1 and uses IRQ7 In ECP mode the BIOS can be used to select a appropriate DMA channel the default channel is DMA 3 The parallel port has built in protection circuitry to protect against powered devices being connected when the main supply is removed and damaging the device Each data and control signal is designed to source sink 14mA maximum The parallel port connector PL17 is a 26 way 0 1 boxed header The pin assignment of this connector has been designed to provide 1 1 connection to an IDC 25 way D Type socket See Appendix A for details The socket will be compatible with a standard PC parallel port connector The parallel port can be used to connect an external printer tape drive disk drive scanner etc Power Supply The SBC MediaGX is designed to operate from a single 5V 5 4 75V to 5 25V supply The power connector PL12 has two 5V connection and three ground connections These connections are communed on board PL12 also has a 12V connection defined This supply is not required for the SBC MediaGX under normal operation but may be used to supply 12V to the FAN connector PC 104 stack and BIOS EPROM if required Two other supply voltages are present on the board these are 2 9V and 3 3V These supplies are required for the CPU core and on board devices The 3 3V supply is routed to the PC 104
61. ment for details on returning the board Page 74 rcom CONTROL SYSTEMS
62. o drivers Insert support CD ROM in drive and from the Start menu select Control Panel gt Multimedia and Devices Select Audio and then Add followed by Unlisted or Updated Driver Enter the following path D Windows NT4 Audio 1 0 Select the XpressAUDIO Driver This driver does not autodetect the hardware therefore the I O IRQ and DMA settings must be identical to those specific in the BIOS Setup screen Default values are Audio I O Base Address 220H MPU 401 I O Base Address 330H Audio IRQ Select IRQ5 Audio Low DMA Select DMA 1 Audio High DMA Select DMA 5 Installing Chips HiQ 69000 Video Drivers Insert support CD ROM in drive and from the Start menu select Control Panel then select Display gt Settings gt Display Type and Change Select Have Disk and enter the following path D Windows NT4 Display 1 2 9 Select the OEMSETUP gt INF file this will start installation of the Chips 69000 Video drivers When prompted restart Windows NT Install RealTek Ethernet Drivers Create a new directory on your NT drive i e C Ethernet and copy the contents of the following directory on the support CD ROM D Ethernet Winnt From the Start menu select Control Panel and Network Select Wired to the Network choose Select from List and Have Disk Enter the path of your new directory Select The RTL8139 Fast Ethernet Adapter Select the protocols you require When prompted inser
63. oard contains CMOS devices that could be damaged in the event of static electricity discharged through them At all times please observe anti static precautions when handling the board This includes storing the board in appropriate anti static packaging and wearing a wrist strap when handling the board Battery The board contains a Lithium non rechargeable battery Do not short circuit the battery or place on a metal surface where the battery terminals could be shorted During shipment the battery is isolated from the boards circuitry and should be connected before using the board please refer to the link section of this manual for details When disposing of the board or battery take appropriate care Do not incinerate crush or otherwise damage the battery Packaging Please ensure that should a board need to be returned to Arcom Control Systems it is adequately packed preferably in the original packing material Electromagnetic Compatibility EMC The SBC MediaGX is classified as a component with regard to the European Community EMC regulations and it is the users responsibility to ensure that systems using the board are compliant with the appropriate EMC standards Acknowledgments ROM DOS FlashFX are trademarks of Datalight Inc MS DOS Windows NT Windows CE Windows 95 Windows 98 are trademarks of the Microsoft Corporation Cyrix MediaGX are trademarks of National Semiconductors ltd All other trademarks acknowledged Te
64. or modules with 32 bit PCI devices on board The standard PC 104 interface supports 8 16 bit ISA bus style interfaces Arcom Control Systems have a wide range of PC 104 modules which are compatible with the SBC MediaGX these include modules for digital I O analogue I O motion control video capture CAN bus serial interfaces etc Please contact Arcom Controls Systems if a particular interface you reguire does not seem to be available as these modules are continually being developed Other manufacturers boards can also be used with this interface if they conform to the PC 104 specification In order to use a PC 104 board with the SBC MediaGX it should be plugged into PL23 for 8 bit cards and PL23 PL26 for 16 bit cards Before powering up the system ensure that you have checked that the link settings on the card for I O address IRO and DMA settings do not conflict with any devices on the SBC MediaGX If you are using a PC 104 card that requires 5V this will automatically be supplied via the PC 104 header If you require 12V this will only be available if the 12V pin on the POWER connector PL12 has been connected to a supply If you reguire 12V or 5V these will need to be supplied directly to the PC 104 board Using the USB Ports The Universal Serial Bus USB controller will be disabled by default To enable this feature you must enter the Setup program by pressing the lt DEL gt key during the POST routine The USB function is enabl
65. plied as part of the flat panel development kit The table shows connections for the FPIF board and also for the SBC MediaGX directly Signal Name SBC MediaGX PL28 FPIFI PL2 DF9M 31 D type VDD SAFE 61 60 28 29 M 54 54 21 FLM 56 56 4 LP 52 52 3 SHCLK 50 50 2 P3 6 6 21 P2 4 4 20 P5 8 8 23 P4 22 P7 25 P6 24 P10 13 Pil 14 P13 16 P12 15 P15 18 P14 17 P19 7 P18 6 P21 9 P20 8 P23 11 P22 10 9 Page 72 Grcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Appendix E Reference Information Arcom Control Systems Product information product notices updated drivers and support material 24hr Online ordering System www arcomcontrols com PC 104 Consortium PC 104 and PC 104 Plus Specifications Vendor information and available add on products www pc104 org USB Information Universal Serial Bus USB Specification and product information www usb org National Semiconductor National Cyrix MediaGX processor and Super I O documentation www natsemi com PCISIG PCI Special Interest Group PCI standard information www pcisig com Intel Chips and Technologies 69000 VGA Controller Information and drivers available for download www intel com Datalight Inc ROM DOS and FlashFX information www datalight com Realtek Ethernet controller drivers available for download www realtek com tw Award Software BIOS documentation and support material www award com rcom P
66. r PIO Mode IDE Primary Master UDMA IDE Primary Slave UDMA KBC input clock Onboard FDC Controller Onboard Serial port 1 Onboard Serial port 2 Onboard Parallel Port Parallel Port Mode Enabled Enabled Auto Auto Auto Auto 8 MHz Enabled AUTO 2F8 IRQ3 378 IRO7 ECP amp EPP ECP mode User DMA Build in CPU Audio Audi I O Base Address MPU 401 I O Base Address Audio IRQ Select Audio Low DMA Select Audio High DMA Select 3 Enabled 220H 330H IRQ 5 DMA 1 DMA 5 Esc Quit F1 Help F5 Old Values F6 Load BIOS Default F7 Load Setup Default AV Selection Item PU PD Modify Shift F2 Colour Page 32 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Load BIOS Default Load BIOS Default Y N N When you access Load BIOS Default the following message appears The BIOS Default values are the worst case default and are the most stable values for the system Use them if the system is performing erratically due to hardware problems To load the BIOS Default values press lt Y gt then lt Enter gt Load Setup Default Load Setup Default Y N N When you access Load Setup Default you are shown the following message The Setup Default values represent the best case default and should provided optimum system performance To load the Setup Default values press lt Y gt then lt Ent
67. re hard disk parameters SAVE amp EXIT SETUP Save CMOS value changes to CMOS and exit setup EXIT WITHOUT SAVING Abandon all CMOS value changes and exit setup rcom Page 21 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX STANDARD CMOS SETUP The items in the Standard CMOS Setup Menu are divided into several categories Each category includes one or more than one setup item Use the arrow keys to highlight the item then use the lt PgUp gt or lt PgDn gt keys to select the value you want in each item ROM PCI ISA BIOS 2A434001 STANDARD CMOS SETUP AWARD SOFTWARE INC Date mm dd yy Wed Dec 28 1994 Time hh mm ss 12 35 50 HARD DISKS TYPE SIZE CYLS HEAD PRECOMP LANDZ SECTOR MODE Primary Master Auto 0 0 0 0 0 000 Primary Slave Auto 0 0 0 0 0 Oe Drive A 1 44M 3 5in Drive B None Base Memory 640K Extended Memory 7168K Video EGAVGA Other Memory 384K Halt On No Errors Total Memory 8192K ESC Quit EV Select Item PU PD Modify F1 Help Shift F2 Change Colour Page 22 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 BIOS Features Setup ROM PCI ISA BIOS 2A434001 BIOS FEATURE SETUP AWARD SOFTWARE INC Virus Warning Disabled Video BIOS Shadow Enabled CPU Internal Cache Enabled C8000 CBFFF Shadow Disabled External Cache Enabled CC000 CFFFF Shadow Disabled Quick Power On Self Test Enabled D0000 D3FFF Shadow Disab
68. resistor connected Omit RS485 termination resistor disconnected Arcom Page 15 2192 10048 000 000 J629 SBC MediaGX LK7 Watchdog Timer Enable This link has been provided to enable disable the watchdog function When the link is in the enable position the watchdog timer can be started by writing to I O location 93H See the Watchdog Timer section for more details Enabled Disabled LK8 Watchdog Timer timeout selection The watchdog timer has two pre configured timeout delays these are either 2 or 8 seconds This link can be used to select between the two timeout periods LK8 Description Fit 2 second timeout Omit 8 second timeout LK9 Clear CMOS Battery disable A battery link is fitted that is used to prevent drain on the battery during shipment This link can also be used to clear the contents of tte CMOS RAM LKI Description A Battery Backup enabled B Battery Backup Disabled CMOS RAM cleared LK10 LCD Backlight Supply Voltage This link has been provided to enable selection of the LCD backlight supply voltage BLKSAFE Two options are available either 5V or 12V Note If 12V is selected this voltage must be supplied from an external source via the power connector PL9 LK10 Description A 5V Backlight B 12V Backlight LK11 LCD Panel power supply voltage This link has been provided to enable selection of the LCD panel supply voltage VDDS
69. rs two which are connected directly 1 1 and one which has pins 10 16 twisted If only one drive is required it should be connected via the twisted cable and the drive should be setup to use drive select 1 If two drives are required the second drive should also be configured for drive 1 but should be connected via the straight connector This connection does not provide power and therefore a separate cable from the main supply should be used The floppy disk interface is decoded in I O address space at 3F0 3F7H and uses IRQ6 and DMA channel 2 Real Time Clock RTC The Real Time Clock RTC is fully compatible with the PC AT standard clock device The date and time functions are stored in the real time clock when the main power is removed if the battery backup supply is enabled See LK3 description As well as providing time and date information the Real Time Clock is used to store the BIOS settings The RTC is decoded in I O address space at 70 71H and is connected to IRQ8 The RTC registers are accessed via an indexed addressing mechanism l O location 70 is used to select the appropriate register and 71H is used to access the data The maximum rated current for the RTC is 2uA and the battery backup supply is provided by a Lithium coin cell with a capacity of 180mA This battery will provide sufficient support for at least 10 years The battery is disabled during shipment to prolong the useful life If the board is going to be placed out of serv
70. ss map is limited to 1K addresses This is because only the lower ten address lines were originally used to decode I O devices The remaining lines were treated as undefined Therefore the usable address range is from 0 3FFH above this range devices are imaged and will be accessed throughout the entire 64K I O address range of the processor The following table shows the I O address mapping for the SBC MediaGX If expansion boards are added via the PC 104 interface you should ensure that they are configured to be at a free address location Otherwise they will not function correctly and may even cause the SBC MediaGX board to stop operating Device I O Location Hex DMA Controller 1 000 00F Interrupt Controller 1 020 021 Timer Counter 040 043 Keyboard Mouse 060 064 Real Time Clock 070 071 DMA Page Registers 080 08F Watchdog Timer 093 Interrupt Controller 2 OAO 0A1 DMA Controller 2 0C0 0DF Audio 220 22F Flash Paging Registers 258 259 RS232 Power down Latch 260 COM4 2E8 2EF COM2 2F8 2FF MPU 401 330 33F Parallel Port 378 37F Video Controller 3B0 3BB 3C0 3CF 3D0 3DF COM3 3E8 3EF Floppy Disk 3F0 3F7 COMI 3F8 3FF Arco m Page 43 2192 10048 000 000 J629 SBC MediaGX Graphics Controller An Intel Chips and Technologies 69000 HiQVideo graphics controller is integrated onto the SBC MediaGX This device is used to provide a high performance flat panel CRT video controller The flat pan
71. supply until it meets the specification The board should automatically start running when the supply reaches the minimum voltage but switch OFF and ON again to make sure that the board starts correctly If the board does not work go to step 3 3 With the power supply switched OFF remove the SDRAM module from the DIMM socket and re insert Ensure that the module is correctly aligned and the tabs are closed on the DIMM Switch the power ON and check to see if the board powers up correctly if the board is still not working go to step 4 4 Remove any PC 104 adapter cards plugged into the SBC MediaGX Apply power and check to see if the board starts up If the board starts working check the link settings on the PC 104 boards and adjust any settings that may conflict with the SBC MediaGX Once the settings have been checked then plug each board in on its own to isolate any particular board which is causing the problem If the board does not work when the PC 104 boards are removed go to step 5 5 Check all link settings are in the default location listed in the Links section of the manual and remove all cables except the VGA Cable or flat panel cable keyboard cable and power supply cable Apply power and check to see if the board starts up correctly If you have completed the tasks outlined above and the board still fails to operate then it will need to be returned to Arcom Control Systems for repair Please contact the technical support depart
72. t the Windows NT installation CD ROM into the drive Complete installation as described in the Windows NT documentation Other Software Support The support CD ROM also contains the following material 1 Microsoft Internet Explorer 5 0 2 Mitsumi Mouse Driver For DOS 3 Adobe Acrobat Reader 3 0 4 Example source code for i General purpose I O ii LM75 Temperature monitor ii RS485 422 Serial Communications iv Touchscreen Controller Please refer to the documentation on the CD ROM for the latest information Page 38 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Hardware Support Information As the SBC MediaGX is a fully compatible PC AT processor board any standard PC reference guide will provide information on hardware aspects of the board The following material has been included on the support CD ROM as it relates to specific features of the board which may not be available from other sources This information is stored in the REFERENCE directory CON OOF WN National Cyrix MediaGX data sheet National Cyrix CX5530 data sheet Intel Chips and Technologies 69000 data sheet OEM reference guide and application notes National Semiconductor NS97317 Super I O controller data Sheet National Semiconductor LM4548 AC97 Audio CODEC data sheet National Semiconductor LM75 data sheet RealTek RTL8139A data sheet Intel Strata Flash Data Sheet 9 PC 104 Specification 10 PC 104 Plus Sp
73. ta TX Clear To Send CTS Data Terminal Ready DTR Ring Indicator RI UO B oo WI SIMON Voloun anl AININ No Connect Connecting a Printer An enhanced printer port has been incorporated onto the SBC MediaGX This port can be used to support a CENTRONICS compatible printer or ECP EPP bi directional device The signals are routed to a 26 way boxed header and the pin assignment has been arranged to allow 1 1 connection with a 25 way IDC D Type socket This socket is compatible with a standard printer port connector on a desktop machine The following table shows the connector details for this cable 26 way Header Signal Name 25 way D Type Socket 1 STROBE 1 2 AUTOFEED 14 3 DO 2 4 ERROR 15 5 DI 3 6 INIT 16 7 D2 4 8 SELECT IN 17 9 D3 5 10 Ground 18 11 D4 6 12 Ground 19 13 DS 7 14 Ground 20 15 D6 8 16 Ground 21 17 D7 9 18 Ground 22 19 ACKNOWLEDGE 10 20 Ground 23 21 BUSY 11 22 Ground 24 23 PAPER EMPTY 12 24 Ground 25 25 SELECT 13 26 No Connect Page o Arcom J629 SBC MediaGX 2192 10048 000 000 Using the Audio features There are three Audio interfaces supported on the SBC MediaGX Line IN Line OUT and Microphone The Line IN and Line OUT interfaces support stereo signals and the Microphone provides a mono input Connections are routed to a 10 way boxed header PL27 the relevant signals for
74. tains a support CD ROM that incorporates reference material and software utilities which can be used to support the SBC MediaGX The following sections describe the software support and provide guidelines for using the drivers supplied on the CD Datalight ROM DOS 6 22 The SBC MediaGX board is supplied with a license for Datalights ROM DOS 6 22 operating system If the board has been supplied with flash memory then this operating system will be pre installed on the flash drive The support CD ROM can be used to generate a bootable ROM DOS floppy disk for non flash systems to enable users to configure a hard disk drive if required ROM DOS is a Microsoft MS DOS workalike operating system which has been specifically designed for embedded systems The system and command files are physically much smaller but still provide full compatibility to allow standard DOS applications to run without modification ROM DOS supports all the standard utility files like SYS PRINT MODE FDISK FORMAT etc These files are supplied on the support CD ROM and can be used as required A full user manual for ROM DOS is also supplied on the CD which provides detailed information on the operating system and supported interrupts and features Datalight FlashFX Flash Filing System The flash memory incorporated onto the SBC MediaGX is configured as a silicon read write disk drive This disk is supported using Datalights FlashFX software This software is designed to
75. ters per second 10 10 characters per second 12 12 characters per second 15 15 characters per second 20 20 characters per second 24 24 characters per second 30 30 characters per second rcom Page 25 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX Typematic Delay Msec When holding the a key the time between the first and second character will be displayed 250 250 msec 500 500 msec 750 750 msec 1000 1000 msec Security Option This category allows you to limit access to the system and Setup or just to Setup System The system will not boot and access to Setup will be denied if the correct password is not entered at the prompt Setup The system will boot but access to Setup will be denied if the correct password is not entered at the prompt Note To disable security select PASSWORD SETTING at Main Menu and then you will be asked to enter password Do not type anything and just press lt Enter gt it will disable security Once the security is disabled the system will boot and you can enter Setup freely Page 26 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Video BIOS Shadow It determines whether video BIOS will be copied to RAM however it is optional from chipset design Video shadow will increase the video speed Enabled Video shadow is enabled Disabled Video shadow is disabled C8000 CBFFF Shadow DC000 DFFFF Shadow These categories determine whether optional ROM
76. the Windows 95 CD when required For the driver to be recognised correctly you must restart Windows after installation rcom Page 35 CONTROL SYSTEMS 2192 10048 000 000 J629 SBC MediaGX Installing the Chips HiQ 69000 Video driver Using the Run command on the Start menu select the following file from the support CD ROM D Windows9x 95 Display 5 0 0 w95500 Follow the prompts and restart Windows to enable the driver The driver detailed above is the standard Windows 95 driver an alternative driver which provides support for multiple orientations i e Portrait mode is also available To use this driver Select Windows 95 display properties from the system icon in Control Panel Select Settings gt Advanced Click on Adapter type Change and select Have disk Enter the path D Windows9x 95 Portrait Display Beta 2 44 Load the chips95 inf file Choose NOT to keep all files which are newer than those being installed N O O SA W mp Restart Windows Installing Realtek Ethernet drivers Choose PCI Ethernet Controller from the system icon in Control Panel Select properties and driver Select update driver When the driver is not detected select Other location insert the support CD in the drive and enter D Ethernet Win95 When prompted for the RealTek disk enter D Ethernet Win95 The Windows 95 installation CD may be required to complete installation The USB support in Windows 95 is first gen
77. these interrupts as you may find that particular combinations do not provide a working solution This may be due to two or more PCI devices being routed to the same IRQ line Although this is allowable in the PCI specification not all device drivers provide the ability to share the interrupts DMA Controller There are two 8237 DMA controllers on the SBC MediaGX These controllers are cascaded in a standard PC AT style DMA channels 0 3 are used to support 8 bit devices and DMA channels 4 7 support 16 bit devices DMA channel 4 is used to provide cascading between the two controllers and therefore is unavailable for use The table below shows the default assignment for the DMA channels on the SBC MediaGX DMA Usage 0 Unassigned 1 Audio Controller 2 Floppy Disk Interface 3 Parallel Port ECP Mode 4 Cascade 5 Audio Controller 6 Unassigned 7 Unassigned The DMA signals are routed to the PC 104 interface as well as the onboard devices They may only be used if they are unassigned or the onboard peripheral is disabled IDE Interface The SBC MediaGX has a single Integrated Drive Electronics IDE controller that supports up to two hard disk drives The disk drives are connected via a 1 1 40 way ribbon cable using PL22 One drive must be configured as a MASTER and the other drive as a SLAVE An IDE compatible CD ROM drive can also be used and should be configured as the SLAVE device The BIOS will automatically d
78. tion Page Setup Menu Exit current page and return to Main Menu PgUpKey Increase the numeric value or make changes PgDnKey Decrease the numeric value or make changes F1 Key General help only for Status Page Setup Menu and Option Setup Menu F2 Key Change colour from total 16 colours F3 Key Calendar only for Status Page Setup Menu F4 Key Reserved F5 Key Restore the previous CMOS value from BIOS only for Option Page Setup Menu F6 Key Load the default CMOS value from BIOS default table only for Option Page Setup Menu F7 Key Load the default F8 Key Reserved F9 Key Reserved F10 Key Save all the CMOS changes only for Main Menu Page 18 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 GETTING HELP MAIN MENU The on line description of the highlighted setup function is displayed at the bottom of the screen Status Page Setup Menu Option Page Setup Menu Press F1 to pop up a small help window that describes the appropriate keys to use and the possible selections for the highlighted item To exit the Help Window press lt Esc gt rcom Page 19 2192 10048 000 000 The Main Menu Once you enter Award BIOS CMOS Setup Utility tte Main Menu will appear on the Screen Use arrow keys to select among the items and press to accept or enter the sub menu J629 SBC MediaGX ROM PC ISA BIOS 2A434001 CMOS SETUP UTILITY AWARD SOFTWARE INC STANDARD CMOS SETUP BIOS FEATURE SETUP CHIPSET FEATURES SETUP P
79. tion of this manual Using the SBC MediaGX The SBC MediaGX uses an Award Software PCI BIOS Basic Input Output System to provide support for the board The BIOS has a built in setup program that allows users to modify the basic system configuration The setup program can be invoked during the power on sequence by pressing the lt DEL gt key when prompted or by pressing lt CTRL gt lt ALT gt and lt ESC gt The setup parameters are stored in the CMOS RAM and will be retained when the power is switched off if the battery backup supply is connected See link section for details The BIOS defaults have been selected to enable the board to operate with a minimum of devices connected If CMOS settings are lost the board will correctly power up and boot from the on board flash disk without any other peripherals connected CPU Configuration The SBC MediaGX board has been specifically designed to support the National Cyrix MediaGX MMX Enhanced processor The appropriate voltage and speed selections are configured during the assembly process no user configuration is required The board will be supplied with a device fitted into the CPU socket and will be Ready to Run Note The CPU socket does not support any other type of processor available from alternative manufacturers Do not attempt to replace the CPU as damage may occur during this process Installing Memory The SBC MediaGX supports a single 168 pin DIMM Dual In line Memor
80. will be copied to RAM in 16K byte Enabled Optional shadow is enabled Disabled Optional shadow is disabled rcom CONTROL SYSTEMS Page 27 2192 10048 000 000 J629 SBC MediaGX Chipset Features Setup ROM PCI ISA BIOS 2A434001 CHIPSET FEATURE SETUP AWARD SOFTWARE INC SDRAM CAS Latency Time 3T SDRAM Clock Ratio Div By 4 16 bit I O Recovery CLK 5 8 bit YO Recovery CLK 5 USB Controller Disabled Esc Quit Y gt Selection Item F1 Help PU PD Modify F5 Old Values Shift F2 Colour F6 Load BIOS Default F7 Load Setup Default This setup menu is optimized for this board USB Controller Set USB Controller to Enabled if you want to use any USB devices Page 28 rcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Power Management ROM PCI ISA BIOS 2A434001 POWER MANAGEMENT SETUP AWARD SOFTWARE INC Power Management Disabled IRQ1 Keyboard ON IRQ3 COM2 OFF PM Timers IRQ4 COM1 OFF Doze Mode Disabled IRO5 LPT2 OFF Standby Mode Disabled IRO6 Floppy Disk OFF HDD Power Down Disabled IRQ7 LPT1 OFF MODEm Use IRO NA IRO9 IRO2 Redir OFF IRO10 Reserved OFF Throttle Duty Cycle 33 3 IRO11 Reserved OFF IRO12 PS 2 Mouse OFF RING POWER ON Controller Disabled IRO13 Coprocessor OFF Net POWER ON Controller Disabled IRO14 Hard Disk OFF RTC Alarm Function Disabled IRO15 Reserved OFF Soft OFF by P
81. y The FLASH status LED will illuminate whenever the Flash drive is accessed 258H I O Write Bit No Paged Address Register 0 Address Bit A14 Address Bit A15 Address Bit A16 Address Bit A17 Address Bit A18 Address Bit A19 Address Bit A20 Address Bit A21 259H I O Write Bit No Paged Address Register 1 0 Address BitA22 6 __ Nofunetion a Flash Reset Power down Bit 7 0 device is reset powered down 1 device is enabled Arcom Page 41 2192 10048 000 000 J629 SBC MediaGX 259H I O Read Paged Address Register 1 O Flash Busy Signal 0 BUSY 1 User link 1 LK12 0 CLOSED 1 OPEN Jser link 2 LK13 0 CLOSED 1 OPEN 6 Nofunetion These two registers will be reset to 00h write on power up reset This ensures that the Register 1 Bit 7 is 0 i e Flash is disabled and write protected Memory Map The following table shows the memory map for the SBC MediaGX Address Block Size Description OFFFC0000H 256K System BIOS ROM 07FFFFFFH Extended memory limit Depending on SDRAM fitted 00100000H 127M Extended memory 000E0000H 128K System BIOS ROM and embedded SETUP 000DC000H 16K FlashFX BIOS extension and Flash Disk Window 000CC000H 64K Directed to PC 104 bus 000C0000H 48K VGA BIOS extension 000A0000H 128K Video RAM 00000000H 640K System RAM Page 42 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 O Map The PC AT I O addre
82. y Module If your board was supplied without any memory fitted MO variant or you wish to upgrade your memory then you need to source a standard unbuffered 3 3V SDRAM module that conforms to the PC100 specification The SBC MediaGX supports 16MB 32MB 64MB and 128MB modules There are no link settings required to enable the board to support different memory sizes The BIOS will automatically detect the memory and configure the board appropriately Always ensure that the power is switched OFF before attempting to insert the memory module The module should be inserted in the DIMM1 socket in an ESD safe area and you should be wearing an earth strap or touching a grounded surface to protect the device The memory module is designed to ensure that it can only be plugged in with the correct orientation Therefore if the module does not fit check the key locations and ensure the memory is the correct type Once power is applied to the board the BIOS will automatically configure the memory and during the memory check a message will be printed on the display to show the amount of DRAM found Page 8 Arcom CONTROL SYSTEMS J629 SBC MediaGX 2192 10048 000 000 Connecting a Floppy disk drive The SBC MediaGX supports up to two standard floppy disk drives These can be connected to PL18 via a 34 way twisted ribbon cable Both disk drives should be configured to use drive select 1 Drive A should be connected via a twisted cable and DRIVE B via a stra

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