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Pegasus User Manual

1. A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 AT B7 A8 B8 A9 B9 A10 B10 A11 B11 A12 B12 A13 B13 A14 B14 A15 B15 A16 B16 A17 B17 A18 B18 A19 B19 A20 B20 A21 B21 A22 B22 A23 B23 A24 B24 A25 B25 A26 B26 A27 B27 A28 B28 A29 B29 A30 B30 A31 B31 A32 B32 Ground RESETDRV 5V IRQ9 5V DRQ2 12V ENDXFR 12V Key SMEMW SMEMR IOW IOR DACK3 DRQ3 DACK1 DRQ1 REFRESH SYSCLK IRQ7 IRQ6 IRQ5 IRQ4 IRQ3 DACK2 TC BALE 5V OSC Ground Ground Ground SBHE LA23 LA22 LA21 LA20 LA19 LA18 LA17 MEMR MEMW SD8 SD9 SD10 SD11 SD12 SD13 SD14 SD15 Key CO DO C1 D1 C2 D2 C3 D3 C4 D4 C5 D5 C6 D6 C7 D7 C8 D8 C9 D9 C10 D10 C11 D11 C12 D12 C13 D13 C14 D14 C15 D15 C16 D16 C17 D17 C18 D18 C19 D19 Ground MEMCS16 10CS16 IRQ10 IRQ11 IRQ12 IRQ15 IRQ14 DACKO DRQO DACK5 DRQ5 DACK6 DRQ6 DACKT DRQ7 5 MASTER Ground Ground Diamond Systems Corporation Pegasus User Manual Page 12 PS 2 Mouse and Keyboard KBMS1 Connector KBMSI provides the standard PS 2 keyboard and mouse signals 5V 1 2 5V KB Data 3 4 MS Data KB Clock 5 6 MS Clock Ground 7 8 Key 9 10
2. Signal Definition SD Scan Direction controlled by jumper J1 default low High Reverse scan Low open Normal scan FRC Frame Rate Control controlled by jumper J1 default low High On Low open Off PCIk Pixel clock PCIk Pixel clock VDD Sel VCC 3 3v or 5V Jumper JVLCDI configured SigGround Signal ground PwrGround Power ground Diamond Systems Corporation Pegasus User Manual Page 16 Serial Port I O COM1 2 Connector COM1 2 provides access to the two serial ports of the AMD Geode CPU PORTI is RS 232 only PORT is independently jumper configurable for either RS 232 RS 485 or RS 422 protocol Jumpers JRS1 and JTMI are used to select the protocol Connector pins are dedicated to a port as shown in the following table Port No Pin Assignment PORTI Pins 1 10 PORT2 Pins 11 20 The following tables list the signals and associated DE 9 pin numbers for each of the protocols pin assignment differs depending on the protocol selected RS 232 Pin Assignments COM1 DCDi 1 RXD1 3 TXD1 5 DTR1 7 Ground 9 COM2 DCD2 11 RXD2 13 TXD2 15 DTR2 17 Ground 19 Signal Definition DE 9 Pin Direction DCDn Data Carrier Detect pin 1 Input DSRn Data Set Ready pin 6 Input RXDn Receive Data pin 2 Input RTS Request to Send pin 7 Output TXDn Transmit Data pin 3 Output CT
3. 12 PC 104 ISA Bus PG TOAP T eter eoru eR o DOCE XR MEAS 12 WGA VGA he acacia tessa Naseeb dera adele TREE 13 DE Bus IDE ito 13 Miscellaneous MISC iia it ita 15 RS 232 PIMASSIONINGINS sli io Ld d dend desee danar 17 RS 422 PInASSIQHITIGDIE ds o L arnee 18 USB 2 0 Ports USB1 USB Lunar aid 19 Panel Power Input PWRZ ios tots a A on 20 External Batterv EBAT T iia 21 Board Configuration Jumper oes ee ea este te eee 23 COM2 RS 232 422 485 Select JRS1 oooooococcccccccnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnononanennnnnnns 23 LED Configuration Nb m 25 LVDS Panel Voltage Configuration JVLCD1 eene 25 LCD Backlight Voltage Configuration JINV1 25 EMOS Setup JBAT T du acu etit rn ele Nae P ER ERAS ERE o ORT eel ease 25 Installation arid Configuration cios ia canas 27 Diamond Systems Corporation Pegasus User Manual Page 2 Hardware Installation ccccccceccceccecceecceececceeeaeeceeceeeaeecuecaeeaeeceecueaecueaecueaeeusaeeaeaes 27 General SU incio AN AAN dra 27 IDE Contig rati N cto ss no la 28 CompactFlash Issues under DOS aia e 29 Boot Procedures ic HR 30 Booting into MS DOS FreeDOS or ROM DOS ooocccccccccoccccccnccccnnononnnnnnnnnnnnnnnnnnnos 30 Booting IRON D E 30 BIOS Setas PEE 31 System I O DescriptiOnhn cccccccccccrseooooccccccnnnannccccccccccnnnnnnnnnnnnnnnenecnnnnnnan 32 igni UU L LEC 32 SEM All POMS
4. Default Change Configuration Item Value or Optional Values Comments Not User Entry Allowed Disabled D M ecode Memory Space n Enabled Subtractive Speed This field can only be modified Slow Speed if Decode Memory Space n is Decode Memory Speed n Medii Speed Enabled Fast Speed This field can only be modified Min nnnn if Decode Memory Space n is Decode Memory Addr n Mage Aana Enabled Key in a HEX number 16KB This field can only be modified 32 KB if Decode Memory Space n is 64 KB Enabled Decode M Si 128 KB morySiz ecode MemorySize n 256 KB 512 KB 1 MB 2 MB IT8888 DDMA Setup Default Change Configuration Item Value or Optional Values Comments Not User Entry Allowed Disabled DDMA rt Suppo Enabled Diamond Systems Corporation Pegasus User Manual Page 50 PnP PCI Configurations Setup Default Value Change Configuration Item or Optional Values Comments Not User Entry Allowed If you are using a plug and No play capable OS select Yes PNP OS Installed y Otherwise select No to have 2 the BIOS configure the non boot devices Reset Configuration Dat Disabled Pu A eset Configuration Data isable Disabled Auto ESCD Resources Controlled By Wol Manual IRQ Resources See IRQ Resources Setup Memory Resources See Memory Resources Setup PCI VGA Palette S pre j SER Enabled g IRQ Resources Se
5. Default Value Change Optional Configuration Item or Values Comments Not User Entry Allowed HDD 0 Sets the boot device priority This field CDROM specifies the highest priority device HDD 1 B First Boot Device MED USB ZIP USB CDROM USB HDD LAN Sets the boot device priority This field Second Boot Device Same as FBD specifies the secong highest priority device Disabl Enabl isabl ting from th Bost Other Device E isabled nables or disables boo ing from the Enabled secondary boot device ff ts th lock state at on Paso 3 O Sets the numlock state at power on _ On Specifies when a password is required Setup only when you enter BIOS setup or Security Option S whenever the system boots The AE password is specified using a separate main menu entry O Disabled Enables or disables console redirection Console Redirection Enabled 9600 For console redirection specifies the 19200 desired baud rate Baud Rate 38400 57600 115200 Agent Connect via Null The agent connects directly 1 Timeout minutes to wait to connect to 2 agent Agent wait time min 4 8 Disabled Enables or disables agent running after Agent after boot AS Enabled OS boot Diamond Systems Corporation Pegasus User Manual Page 46 Advanced Chipset Features Setup Configuration Item or User Entry Default Value Optional Values Comments Change Not Allowed Video Memory Size NONE 8M 16M 32M
6. VO Address 0x25D Write Bit 7 6 5 4 3 2 1 0 Name WDT3 WDT2 WDTI WDTO WDT0 3 Writing to bits WDTO0 3 loads the watchdog timer with the 4 bit counter value Use this register to set the countdown period Each tick is 145ms so the period range is 145ms 1 to 2 175ms 15 Diamond Systems Corporation Pegasus User Manual Page 36 VO Address 0x25E Read Write Bit 7 6 5 4 3 2 1 0 Name WDIEN WDOEN WDSMI WDEDGE WDIEN 0 Disable edges on the WDI pin retriggering watchdog timer 1 Enable egdes on the WDI pin retriggering watchdog timer WDOEN 0 Disable edge on WDO pin when watchdog timer reaches 1 1 Enable edge on WDO pin when watchdog timer reaches 1 WDSMI 0 Disable system management interrupt signal when watchdog timer reaches 0 1 Enable system management interrupt signal when watchdog timer reaches 0 WDEDGE 0 Falling edge on WDI retriggers watchdog timer when WDIEN 1 1 Rising edge on WDI retriggers watchdog timer when WDIEN 1 I O Address 0x25F Read Write Bit 7 6 5 4 3 2 1 0 Name COM4EN COM3EN FPGAEN WDEN COM4EN COM4 amp 4 chip select enable 1 Enable COM4 CS 0 Disable COM4 CS COM3EN COMG chip select enable 1 Enable COM3 CS 0 Disable COM3 CS FPGAEN FPGA chip select enable 1 Enable FPGA CS 0 Disable FPGA CS WDEN Watchdog enable 1
7. 12V 1 0 Signal Definition 5V I O This is provided by the on board power supply derived from the input power It is switched off when the board is powered down 12V I O This is provided by the 12V input pin on the main power connector It is switched off when the board is powered down Ground These are OV ground references for the power output voltage rails External Battery EBATI Connector EBAT1 is used to connect an external battery to augment or replace the on board backup battery In addition to the external battery the on board battery is another possible sources for maintaining the Real Time Clock and the CMOS BIOS settings for various system configurations The battery that has the highest voltage will see the majority of the current draw which is minimal Note There must be a battery voltage input for the default power up mode 1 Ground 2 Battery input Signal Definition Battery Input Battery input voltage The battery voltage for this input should be 3V The current draw averages under SuA at 3V Ground Battery ground Diamond Systems Corporation Pegasus User Manual Page 21 LCD Backlight INVI Connector INV1 provides the backlight power and control for the optional LCD panel See the description for connector LVDS1 for detailed information on the LCD data interface The control signal is used to allow the system to power down the backlight when the
8. Connect the SBC power Attach power cable number 6981175 to the Power In connector on the SBC Ensure that your 5V power source is off Connect your 5V power source to the other end of the cable 12 Turn on the power source The Pegasus BIOS screen should appear followed by the SBC beginning booting from the external storage device When you plug PC 104 boards onto Pegasus the BIOS may or may not recognize the new board If the new board is not recognized you may need to configure the new hardware in the BIOS before being able to use it You can configure the system s IRQ DMA resources from the BIOS s PnP PCI Configuration screen The following table shows the USB2 3 if using a USB keyboard and mouse IRQ levels Diamond Systems Corporation Pegasus User Manual Page 27 IRQ Level Funcxtion IRQ 01 PC AT Enhances PS 2 Keyboard IRQ 03 Communications Port IRQ 04 Communications Port IRQ 05 Standard Enhanced PCI to USB Host Controller IRQ 05 Standard Open HCD USB Host Controller IRQ 06 Standard Floppy Disk Controller IRQ 10 Advanced Micro Devices Win 2K Win Graphics Driver IRQ 10 Geode LX AES Crypto Driver IRQ 11 Realtek RTL8139 810x Family Fast Ethernet NIC IRQ 12 Microsoft PS 2 Mouse IRQ 14 Primary IDE Channel IDE Configuration The on board PCI IDE connector supports two IDE devices e A primary master e A primary slave The supported IDE devices include the on board FlashDisk a Comp
9. Ground Signal Definition 5V keyboard PS 2 pin 4 KB Data keyboard PS 2 pin 1 KB Clock keyboard PS 2 pin 5 MS Data mouse PS 2 pin 1 MS Clock mouse PS 2 pin 5 Ground PS 2 pin 3 VGA VGA1 Connector VGA 1 is used to connect a VGA monitor Note While the DDC serial detection pins are present a 5V power supply is not provided and the legacy Monitor ID pins are also not used Red 1 2 Ground Green 3 4 Key Blue 5 6 Ground HSYNC 7 8 DDC Data VSYNC 9 10 DDC Clock Signal Definition Red RED signal positive 0 7Vpp into 75 Ohm load Green GREEN signal positive 0 7Vpp into 75 Ohm load Blue BLUE signal positive 0 7Vpp into 75 Ohm load DDC Clock Data Digital serial I O signals used for monitor detection DDC1 specification HSYNC Horizontal sync VSYNC Vertical sync Ground Ground return IDE Bus IDE1 The IDE connector IDEI is used to connect two IDE drives including hard disks CD ROMs and Flashdisk modules Diamond Systems Corporation Pegasus User Manual Page 13 This connector mates with Diamond Systems cable part number 6981004 Reset 1 2 Ground D7 3 4 D8 D6 5 6 D9 D5 7 8 D10 D4 9 10 D11 D3 11 12 D12 D2 13 14 D13 D1 15 16 D14 DO 17 18 D15 Ground 19 Key DRQ 21 Ground IDEIOW 23 Groun
10. JRS1 and JMT1 jumpers share the same jumper block Figure 4 Jumper Block JRS1 Settings RS 232 default JRS1 HA PIN 1 RS 422 RS 485 JRS1 rer en ale oo PIN 1 Diamond Systems Corporation Pegasus User Manual Page 23 COM2 RS 232 RS 485 Configuration JTM1 Use jumper block JTM1 to configure the COM2 port in RS 422 485 modes as shown in Figure 5 The default setting is with no jumpers installed Note The JMT1 and JRS1 jumpers share the same jumper block Figure 5 Jumper Block JTM1 Settings JMT1 RS 422 485 M 0000090 TX pull up 000000 4 A PIN 1 JMT1 RS 422 485 00000 TX pull down 00000 4 A PIN 1 JMT1 a RS 422 485 oo 00090 Terminal 120 Ohm o o 00090 4 A PIN 1 JMT1 RS 422 o o ojoJoo Terminal 120 Ohm lo o ololo o o 4 4 PIN 1 MT1 RS 422 000010 O RX pull up o o o oj c o A PIN 1 JMT1 gt RS 422 00000 RX pull down 00000 4 PIN 4 o o oo o O oo oo oo o oO o O o O o o 00 Diamond Systems Corporation Pegasus User Manual Page 24 LCD Configuration J1 Jumper block J1 configures the LCD frame rate and scan direction Figure 6 LCD Configuration Jumper Settings Frame Rate Low Frame Rate High Scan Direction Low Scan Direction High default 3 4 310 0 4 PIN 1 gt 2 PIN1 O 0 2 LVDS Panel Voltage Configuration JVLCD1 Jumper block JVLCD1 sets the LCD input voltage to 5V or 3 3V Note The JVLCD1 and JINV1 jumpers share the same
11. Watchdog timer counter enable 0 Watchdog timer counter disable WDO disable WDI disable CPURST disable EXTSMI disable The CPLD initializes all values to zero on power up and the BIOS enables each resource based on BIOS settings Example Watchdog Timer With Software Trigger A software trigger relies on a thread of execution to constantly trigger watchdog timer A If the thread is ever halted timer A decrements to zero and starts timer B Once timer B decrements to 0 the board resets In this example we set the watchdog timer to a countdown period of four seconds Longer timeout periods are typically be used for a software based watchdog timer to accommodate varying software latencies such as interrupt latencies and thread pre emption that may delay the watchdog trigger code Setting up the watchdog timer outp base 0 0x00 set page 0 Diamond Systems Corporation Pegasus User Manual Page 37 outp base 28 40000 OXFF set LSB of WD timer A 4 seconds outp base 29 40000 gt gt 8 OxFF set MSB of WD timer A outp base 30 OxFF set WD timer B to 0 0255 seconds outp base 31 0x28 set WDEN 1 WDRST 1 enable WD timer reset With the timer setup and active run the watchdog timer trigger in a continuous thread of code while 1 outp base 31 0x80 trigger watchdog timer sleep 1000 sleep one second If this thread is interrupted for any reason the board res
12. and the flashdisk programmer board Hardware Installation General Setup Follow these steps to power on and verify the functionality of the Pegasus SBC This process assumes you have a Pegasus SBC and cable kit 6 Connect a VGA monitor to the SBC Attach VGA cable number 6981084 to the VGA connector on the SBC and connect your monitor VGA c able to the DB9 socket 7 Connect a keyboard and mouse to the SBC Attach the PS 2 keyboard mouse cable number 6981162 to the PS 2 connector on the SBC and connect your keyboard and mouse devices to the connectors on the other end of the cable 8 Optional for USB keyboard mouse If you are using a USB keyboard and mouse attach USB cable number 6981171 to the USBO 2 connector on the SBC and connect your keyboard and mouse devices to the connectors on the other end of the cable 9 Connect an external IDE hard drive or CD device to the SBC Attach the IDE ribbon cable number 6981004 to the IDE FlashDisk connector on the SBC and connect your IDE device to the connector on the other end of the cable Note You must provide an external source of power for your IDE device 10 Optional for USB storage device If you are using a USB storage device attach USB cable number 6981171 to the USBO 1 USB2 3 if using a USB keyboard and mouse connector on the SBC and connet your external storage device to the USBO USB2 3 if using a USB keyboard and mouse connector on the other end of the cable 11
13. interrupt SMI e Hardware reset WD2 then begins to count down When the WD2 counter reaches zero it unconditionally causes a hardware reset The WD2 timer gives external circuits time to respond to the WDO event before the hardware reset occurs The watchdog timer circuit is programmed via I O registers located on Page 0 Base 428 31 Flash Memory Pegasus contains a 512KB 16 bit wide flash memory chip for storage of BIOS and other system configuration data Backup Battery Pegasus contains an integrated RTC CMOS RAM backup battery This battery has a capacity of 120mAH and will last over five years in power off state The on board battery is activated for the first time during initial factory configuration and test Storage temperature of the board can affect the total battery life Storage at 23 C is recommended Diamond Systems Corporation Pegasus User Manual Page 34 System Reset Pegasus contains a chip to control system reset operation Reset occurs under the following conditions e User causes reset with a ground contact on the Reset input Input voltage drops below 4 75V Over current condition on output power line The ISA Reset signal is an active high pulse with a 200ms duration The PCI Reset is active low with a typical pulse width duration of 200 msec On Board Video Pegasus provides VGA CRT and LVDS flat panel video using the built in AMD Geode chipset Diamond Systems Corporation Pegasus User Manu
14. pin IDE connector and does not provide a pass through connector To utilize both the FlashDisk and a notebook drive the Diamond Systems ACC IDEEXT adapter and cables are required Power Supply The 44 pin cable carries power from the SBC to the adapter board and powers the FlashDisk module and any drive using a 44 pin connector such as a notebook hard drive A drive utilizing a 40 pin connector such as a CD ROM or full size hard drive requires an external power source through an additional cable The power may be provided from the SBC s power out connector IO P1 or from one of the two 4 pin headers on the ACC IDEEXT board Pegasus cable number 6981006 may be used with either power connector to bring power to the drive Diamond Systems Corporation Pegasus User Manual Page 40 FlashDisk Programmer Board The FlashDisk Programmer Board accessory model number ACC IDEEXT may be used for several purposes Its primary purpose is to enable the simultaneous connection of both a FlashDisk module and a standard IDE hard drive or CD ROM drive to allow file transfers to from the FlashDisk This operation is normally done at system setup The board can also be used to enable the simultaneous connection of two drives to the SBC Connector J1 connects to the IDE connector on Pegasus with a 44 pin ribbon cable Diamond Systems part no 6981004 Both 40 pin 1 inch spacing J4 and 44 pin 2mm spacing J3 headers are provided for the external hard dri
15. system enables monitor power down during power management control Note If needed 12V must be provided either on one of the input power connectors or on the 12V pin B9 of the PC 104 connector for the LCD backlight to operate The board does not generate the voltage internally 1 INV Sel INVSel Ground Ground Dispen O A WwW N Brightness Signal Definition INV Sel 5V or 12V power supply for LCD Backlight assembly jumper J18 selectable The 12V supply is removed when the system is powered down Dispen Enable GPIO output 0 disable open circuit enable GP35 0 disable 1 enable Default Brightness Brightness 0 5VDC OV max SV min GP36 0 max Default min Ground Ground for LCD Backlight assembly Diamond Systems Corporation Pegasus User Manual Page 22 Board Configuration Jumper The following jumpers provide the board configuration options Jumper Block Configuration Functions JRS1 COM2 RS 232 422 485 select JT 1 COM2RS 232 RS 485 configuration Ji LCD configuration JVLCDI LVDS panel voltage configuration JINV1 LCD backlight voltage configuration JBATI CMOS setup COM2 RS 232 422 485 Select JRS1 Use jumper JRS1 to select the COM2 RS 232 RS 422 RS 485 protocol option and RS 422 RS 485 termination as shown in Figure 4 Note The
16. that the password is disabled Diamond Systems Corporation Pegasus User Manual Page 52
17. 04 Plus card may change the on board Ethernet resources The serial port settings for COM2 are jumper selectable using jumper block JRS1 Console Redirection to a Serial Port In many applications without a local display and keyboard it may be necessary to obtain keyboard and monitor access to the CPU for configuration file transfer or other operations Pegasus supports this operation by enabling keyboard input and character output onto a serial port referred to as console redirection A serial port on another PC can be connected to the serial port on Pegasus with a null modem cable and a terminal emulation program such as HyperTerminal can be used to establish the connection The terminal program must be capable of transmitting special characters including F2 some programs or configurations trap special characters The default Pegasus BIOS setting disables console redirection There are three possible configurations for console redirection e POST only default Always On e Disabled To modify the console redirection settings 1 Enter the BIOS 2 Select the Advanced menu 3 Select Console Redirection 4 In Com Port Address select Disabled to disable the function On board COM A for COM1 or On board COM B for COM2 default If you select Disabled you will not be able to enter BIOS again during power up through the serial port To reenter BIOS when console redirection is disabled you must either install a PC 104 video b
18. 1171 Dual USB quantity 2 5 6981161 RJ45 6 6981180 External battery T 6981084 VGA 8 6981081 2x Serial Port COMI 2 9 6981004 44 Position ribbon HDD IDE 10 6981165 Miscellaneous Diamond Systems Corporation Pegasus User Manual Page 42 Specifications CPU e Processor AMD Geode LX800 Speed 500MHz Power consumption 5W Cooling Fanless Operating Temperature 40 to 85 C Bus and Memory e System Bus 100MHz e SDRAM memory 256MB 533MHz DDR2 soldered on board e Bus interface PC 104 Plus ISA PCI Peripherals Display type CRT or 18 24 bit dual channel LVDS flat panel CRT resolution 1600 x 1200 Flat Panel Resolution UXGA 1280x1024 Video memory 64MB UMA USB ports 4 USB 2 0 e Serial ports 1 RS 232 and 1 RS 232 422 485 Networking 10 100Base T Ethernet Mass storage interfaces 1 IDE UDMA 33 Fashdisk interface e Keyboard mouse PS 2 Power Supply Input Voltage 5VDC 5 1 0A typical General Dimensions 4 050 x 3 775 e Weight 4 5 oz Additional Information Additional information can be found at the following websites Diamond Systems Corporation http www diamondsystems com e AMD Geode LX Processor Family Technical Specifications http www amd com us en ConnectivitySolutions ProductInformation 0 50 2330 9863 13022 5E13058 00 html Technical Support For technical support please email support diamondsystems co
19. 4 DIAMOND SYSTEMS CORPORATION Pegasus User Manual Low power 500MHz PC 104 Single Board Computer User Manual v1 0 AERAN DNA Loarre P gt a a I a a a q U a E E E a LS Copyright 2010 Diamond Systems Corporation 1255 Terra Bella Avenue Mountain View CA 94043 Tel 650 810 2500 Fax 650 810 2525 www diamondsystems com Table of Contents La geto CE OM eee 5 Feature DVB an 5 Processor Memory BUSES ista add 5 Standard Peripheral Interfaces esses 5 EGR ara A get euis ER quie a esee AN A add osa al quta 5 MIO rai ito MODUS OR HOO Hou ade 5 Power SUP DIY ub bot oa Mate AS 5 Watchd g TIME D m 6 SoftWare ss uote A a SAR ae 6 Available Board Models si ortae bua ete aboduaaauniasbeulankcaneebinean 6 Funcional OVER aaa 6 Processor and GhipSel cuu ia dd nsu or aide AAA 6 A to i de TR PAR a O a epus dp 6 Standard Peripherals cite ata tiara 7 WS Gis Lc IEEE 7 Sernal P DIS et O RA ad 7 Solid State ITA erica edt eie ell eate Meta ta dee podido ota 7 Battery BID dinos 7 PC 104 BUS Expansion A 8 MTBF A A A O 8 BIOS Fealures use debt trate Ene e ura mec e ugs rhet dede o Sines 8 Watchdogr Tier o oe e eot Co ER OD EO a Ob e IEEE E tutum ence 8 Jumper GontigbleliQli aL 8 Power SUDDIM S 3 eco een QI ERG RR RI RAE asec nal TANT NER NS ARENA SERE ASI RR doa e 8 Jumper Summary cuocere eor ee taeda Etc i tea aio eie ete dI aire onu RI Da e da EN EYE 11 COMME ll M
20. 64M 128M 254M Output display Flat Panel CRT Panel amp CRT Flat Panel Configuration See Flat Panel Configuration Setup Memory Hole At 15M 16M Disabled Enabled Flat Panel Configuration Setup Configuration Item Default Value or User Entry Optional Values Comments Change Not Allowed Resolution 320 X 240 640 X 480 800 X 600 1024 X 768 1152 X 864 1280 X 1024 1600 X 1200 800 X 480 Specifies flat panel resolution Refresh Rate 60 Hz 70 Hz 72 Hz 75 Hz 85 Hz 90 Hz 100 Hz Specifies flat panel refresh rate Diamond Systems Corporation Pegasus User Manual Page 47 Integrated Peripherals Setup Default Optional Change Configuration Item Value or P ues Comments Not User Entry Allowed OnChip IDE Device See OnChip IDE Device Setup SuperlO Device See SuperIO Device Setup IT8888 ISA Decode IO See IT8888 ISA Decode IO Setup IT8888 ISA Decode Memory See IT8888 ISA Decode Memory Setup IT8888 DDMA See IT8888 DDMA Setup Enabled Enables or disables invoking the on Onboard Lan Boot ROM board boot ROM on the on board LAN Disabled chip Init Display First PCI Slot ive lay alet Onboard OnChip IDE Device Setup Default Change Configuration Item Value or Optional Values Comments Not User Entry Allo
21. N capability supported in BIOS Video VGA CRT and 1280x1024 LCD Power Supply e An on board DC DC converter allowing an input range of 5VDC 5 Jumper selection allows power to be taken from the PC 104 bus and not from the on board converter Diamond Systems Corporation Pegasus User Manual Page 5 Battery Backup e Backup battery for the real time clock and BIOS settings The battery is directly soldered to the board and provides a minimum 7 year backup lifetime at 25 C The on board battery may be bypassed with a jumper or replaced with an external battery connected to an external battery connector Watchdog Timer e A watchdog timer WDT with programmable interval from 1 to 255 seconds Software e BIOS Phoenix Operating system compatibility Windows XP Windows XPe Windows CE 5 0 Linux Available Board Models The Pegasus board is available in the following models Model Description PGS800 256 e 500MHz LX800 e 256MB on board DRAM PGS800 256 2G 500MHz LX800 256MB on board DRAM 2GB on board IDE flashdisk Note The Diamond Systems Corporation cable kit part no C PGS KIT is available for all models Functional Overview This section highlights the basic functionality provided by the Pegasus SBC Processor and Chipset An AMD Geode LX800 single chip processor provides 486 class performance operating at 500MHz Combined with the AMD Geode CS5536 companion
22. Sn Clear to Send pin 8 Input DTRn Data Terminal Ready pin 4 Output Rin Ring Indicator pin 9 Input Ground Ground Diamond Systems Corporation Pegasus User Manual Page 17 RS 485 Pin Assignment Only COM1 2 connector pins 11 through 20 PORT2 is used for RS 485 COM2 NC 11 12 NC TXD RXD 13 14 TXD RXD NC 15 16 NC NC 17 18 NC Ground 19 20 Ground Signal Definition DE 9 Pin Direction TXD RXD Differential Transceiver Data HIGH pin 2 bi directional TXD RXD Differential Transceiver Data LOW pin 7 bi directional Ground Ground NC not connected RS 422 Pin Assignment Only COM1 2 connector pins 11 through 20 PORT2 is used for RS 422 COM2 NC 11 12 NC TXD 13 14 TXD RXD 15 16 RXD NC 17 18 NC Ground 19 20 Ground Signal Definition DE 9 Pin Direction TXD TXD Differential transmit data Output RXD RXD Differential receive data Input Ground Ground NC not connected Diamond Systems Corporation Pegasus User Manual Page 18 Ethernet LANI The 10 100 Base T full duplex Ethernet interface 1s provided by connector LANI TX 1 2 TX NC 3 4 RX RX 5 6 Link LED Link LED 7 8 Act Key 9 10 Act Signal Definition TX TX Transmit data RX RX Receive data Link LED Li
23. actFlash disk a FlashDisk plug in module on the IDE connector or external IDE devices You can configure the system s IDE devices from the BIOS Standard CMOS Features screen Many devices have on board jumpers for configuration as a master or slave Consult the device User Manual for details The following tables show the possible IDE device combinations for the two Pegasus models Model PGS800 256 2G Master Slave Device on IDE Connector 2GB on board FlashDisk CompactFlash Disk 2GB on board FlashDisk Note The 2GB on board FlashDisk on Pegasus model PGS800 256 2G is fixed as the primary slave device and defaults to drive C if no other bootable device is found If a bootable device is found as the primary master the on board FlashDisk is assigned drive D This model does not allow for a device on the IDE connector and a CompactFlash disk to co exist Model PGS800 256 Master Slave Device on IDE Connector Device on IDE Connector CompactFlash Disk Device on IDE Connector Diamond Systems Corporation Pegasus User Manual Page 28 DOS Operating System Installation User the following sequence to install DOS operating systems MS DOS FreeDOS and ROM DOS 1 Enable the following in BIOS e Floppy Drive detection e Legacy USB support 2 Change the BIOS boot sequence so the system boots through the USB floppy drive 3 Insert the DOS installation floppy dis
24. al Page 35 Watchdog Timer Programming Pegasus contains a watchdog timer circuit consisting of one programmable timer The input to the circuit is WDI and the output is WDO which appear on connector J6 WDI may be triggered in hardware or in software A special early version of WDO may be output on the WDO pin When this signal is connected to WDI the watchdog circuit is retriggered automatically The watchdog timer duration is user programmable When WDT is triggered it begins to count down Upon reaching zero it generates a user selectable combination of the following events System management interrupt Hardware reset The watchdog timer circuit is programmed using I O registers located at address 0x25C Detailed programming information is described below Watchdog Timer Register Details The registers in the following table are used to program the watchdog timer VO Address Write Function Read Function 0x25C WDT trigger None write only 0x25D WDT counter None write only 0x25E Watchdog control Readback Ox25F Chip select enable disable Readback the last bits written In the tables below a blank bit indicates the bit is unused A blank bit in the read registers reads back as 0 or 1 unknown state I O Address 0x25C Write Bit 7 6 5 4 3 2 1 0 WDTRIG a Name WDTRIG Writing a triggers an immediate software reload of the watchdog timer
25. also clears the CMOS RAM if it is removed when no external battery is attached PC 104 Bus Expansion The PC 104 Plus ISA and PCI bus connectors are provided for mounting additional I O boards The standard configuration uses stackthrough connectors to allow expansion boards to be mounted both above and below the Pegasus board MTBF The minimum MTBF is 87 400 hours BIOS Features The BIOS provides the following key features Boot from LAN PXE or USB or A C or D drives e User selectable Master boot device selection Free boot sequence configuration e Support for various LCD configurations supported by the video chipset Console display and keyboard redirection to serial port BIOS recovery through USB floppy or other means e DSC configurable default settings in configurations without a battery backup Customizable splash screen Watchdog Timer The board contains a watchdog timer circuit with programmable delay time The watchdog can be enabled disabled and retriggered in software If the watchdog times out before it is retriggered it causes a system reset Jumper Configuration The following configurations are jumper selectable For rugged applications all settings can also be implemented using zero ohm resistors in place of jumpers e COM protocol RS 232 RS 422 RS 485 e COM2 120 ohm termination enabled disabled e COM2 pull up pull down resistors enabled disabled e CMOS backup battery conne
26. and in addition to mouse and keyboard support using the USB ports USB Ports Four USB 2 0 ports are intended primarily for the following devices although any USB standard device should function e Keyboard e Mouse e USB Floppy Drive This is required for Crisis Recovery of boot ROM e USB flash disk The BIOS supports the USB keyboard during BIOS initialization screens and legacy emulation for DOS based applications The USB ports can be used for keyboard and mouse at the same time that the PS 2 keyboard and mouse are connected Diamond Systems Corporation Pegasus User Manual Page 32 System Resources The table below lists the default system resources utilized by the circuits on Pegasus Device Address ISA IRQ ISA DMA Serial Port COM1 I O Ox3F8 Ox3FF 4 Serial Port COM2 I O Ox2F8 Ox2FF 3 IDE Controller A VO Ox1F0 Ox1F7 14 Watchdog Timer Serial VO 0x25C 0x25F Port FPGA Control Ethernet OS dependent OS dependent USB OS dependent OS dependent Video OS dependent OS dependent Most of these resources are configurable and in many cases the Operating System alters these settings The main devices that are subject to this dynamic configuration are on board Ethernet sound video USB and any PC 104 Plus cards that are in the system These settings may also vary depending on what other devices are present in the system For example adding a PC 1
27. and operate the Pegasus single board computer SBC and includes the following topics An introduction to Pegasus features Connectors and signals descriptions Jumper settings Hardware and software installation and configuration guides e Boot procedures BIOS setup System I O description and reference Watchdog timer programming e Flashdisk module reference e Flashdisk programmer board reference Connector cables list Specification reference additional resources list and contact information Feature Overview The Pegasus SBC provides mid range computing power with low power consumption in the PC 104 small form factor This section lists the basic Pegasus features Processor Memory Buses e 500MHz fanless AMD Geode LX800 processor e 256MB DDR SDRAM system memory soldered on board e PC 104 Plus ISA PCI bus interface with expansion stackthrough IDE interface capable of supporting e Up to two UDMA 33 IDE hard drives e 2GB on board IDE flashdisk Model PGS800 256 2G only e Type II IDE CompactFlash socket e 33MHz PCI Bus Standard Peripheral Interfaces Two serial ports COMI 16450 compatible RS 232 port e COM2 16450 compatible port with 128 byte FIFO This port provides RS 232 RS 422 and automatic RS 485 half duplex capability with RS 422 RS 485 termination Four USB 2 0 ports PS 2 keyboard and mouse ports Ethernet e Realtek 8100CL 10 100Mbps Ethernet Wake on LA
28. cted disconnected also clears CMOS LCD power 3 3V 5V LCD backlight power 5V 12V Power Supply The board requires only 5VDC input voltage and supports routing of 43 3 VDC 12VDC and 12VDC voltages to various connectors All power supplies on the PC 104 and PC 104 Plus connectors are routed directly to the input power connector Maximum allowable reflected ripple measured at the voltage input connector is 50mV p p All switching power supply stages are synchronized to reduce random non synchronized overlapping spikes An auxiliary power connector is provided with 5V and 12V power for use with IDE peripherals Diamond Systems Corporation Pegasus User Manual Page 8 Functional Block Diagram Figure 1 shows the Pegasus functional blocks Figure 1 Pegasus Functional Block Diagram Analog RGB E DDR SDRAM LCD TTL 18 24 bit soldered PCI LAN Ax USB USB UF x Super 1 0 1x CF On board Flashdisk COM1 COM2 Model PGS800 256 2G only Pegasus supports only two IDE devices Diamond Systems Corporation Pegasus User Manual Page 9 Board Diagram Figure 2 and Figure 3 show the Pegasus board layout including connectors jumper blocks and mounting holes Figure 2 Pegasus Board Layout top PIN 1 A1 PC104P 1 PIN 1 BATY AMD Geode PIN1 PIN1 Figure 3 Pegasus Board Layout bottom PC104P 1 0000000000000000000 Dia
29. d IDEIOR 25 Ground IORDY 27 Ground DACK 29 Ground IRQ14 31 Pulled low for 16 bit operation A1 33 NC A0 35 A2 CS0 37 CS1 LED 39 Ground 5v 41 5v Ground 43 NC Signal Definition Reset Reset D0 D15 16 bit data Ground Ground DRQ DDRQ DACK DDACK IDEIOW I O write IDEIOR I O read IORDY IOC HRDY IRQ14 IRQ A0 A2 Address 0 2 CS0 Chip select 1P CS1 Chip select 3P LED Activity indication 5V 5VDC Diamond Systems Corporation Pegasus User Manual Page 14 Miscellaneous MISCI Connector MISC1 provides access to common auxiliary signals Ground 1 2 Reset IDE LED 3 4 5V Power LED 5 6 5V Speaker 7 8 5V LCD Backlight Control 9 10 key Signal Definition IDE LED IDE drive activity indication LED Power LED Power enabled LED LCD Backlight Control User provided brightness control for the LCD backlight See the description for connector INV1 OV max 5V min Speaker Speaker connection referenced to 5V 5V SVDC power Reset Connect this pin to ground to cause a reset condition Ground Ground Diamond Systems Corporation Pegasus User Manual Page 15 LCD Panel LVDS Interface LVDS1 Connector LVDS1 provides access to the internal LVDS LCD display drivers Note The LCD also requires the backlight connector INV1 to be connected to function correctly PwrGround PwrGround VDD Sel VDD Sel
30. device the pair provide a versatile low power embedded system solution that can natively run Windows and Linux operating systems In addition to core processor functions the chipset implements the following capabilities Memory Controller Graphics Processor Display Controller Video Processor PCI Bridge Security Block Memory On board system memory includes 256MB soldered DDR SDRAM Diamond Systems Corporation Pegasus User Manual Page 6 Ethernet A Realtek 8100CL chips implements the MAC and PHY to provide complete 10 100Mbps Ethernet link functionality The board provides standard Ethernet signal isolation characteristics and includes a 10 pin header Standard Peripherals The board provides the following standard peripherals Peripheral Description PS 2 keyboard and mouse ports The keyboard and mouse interfaces are implemented by the AMD Geode LX800 chip Signals have ESD protection USB ports Four USB 2 0 ports are provided by the AMD Geode CS5536 companion device Each port has a minimum 500mA per port drive capability with short circuit overcurrent protection Signals have ESD protection IDE ports One UDMA 33 channel with master slave support is provided on the standard 44 pin connector Video VGA is supported by the AMD Geode LX800 processor The minimal CRT and flat panel resolution is 1280x1024 The video controller shares main memory for its frame buffer Serial Po
31. e the detailed BIOS settings in Appendix A BIOS CMOS Option Listing To change the BIOS settings repeatedly press the delete key lt Del gt during system startup power on self test POST Diamond Systems Corporation Pegasus User Manual Page 31 System I O Description Ethernet The Ethernet port is built into the AMD Geode chipset and is connected to the system via the board s internal PCI bus A DOS utility program is provided for testing the chip and accessing the configuration EEPROM Each board is factory configured for a unique MAC address using this program To run the program boot the computer to DOS because the program will not run properly in a DOS window In normal operation this program is not required Additional software support includes a packet driver with software to allow a full TCP IP implementation Serial Ports Pegasus contains two serial ports Each port is capable of transmitting at speeds up to 115 2Kbaud Ports COMI and COM2 are built into the AMD Geode chipset which are standard 16550 UARTs with 16 byte FIFOs The serial ports use the following default system resources Port VO Address Range IRQ COMI 3F8 3FF 4 COM2 2F8 2FF 3 The COMI and COM2 settings may be changed in the system BIOS Select the TBD menu to modify the base address and interrupt level PS 2 Ports Pegasus supports two PS 2 ports e Keyboard Mouse Support for these ports is independent of
32. ets four seconds after the last watchdog timer trigger Example Watchdog Timer With Hardware Trigger A hardware trigger relies on an external pulse to constantly trigger watchdog timer A If the external stream of pulses ever halts timer A decrements to zero and starts timer B Once timer B decrements to 0 the board resets In this example we will make use of the T 1 feature of timer A to automatically reset itself unless a physical connection is broken The physical connection must be made between WDO and WDI on the data acquisition header J6 Since software is not involved in maintaining the timer we can set the reset period to a much smaller value In this example the reset pulse travels across the physical connection every 10 milliseconds outp base 0 0x00 set page 0 outp base 28 100 OxFF set LSB of WD timer A 10 milliseconds outp base 29 100 gt gt 8 amp OxFF set MSB of WD timer A outp base 30 OxFF set WD timer B to 0 0255 seconds outp base 31 0x2D set WDEN 1 WDRST 1 WDT 1 1 WDIEN 1 When timer A reaches 1 a rising edge flows from WDO to WDI resetting the timer back to 100 and lowering WDO When the connection from WDO to WDI is broken the rising edge never reaches WDI and system resets Diamond Systems Corporation Pegasus User Manual Page 38 FlashDisk Module Pegasus is designed to accommodate an optional solid state FlashDisk module Diamond Systems Offers F
33. hould see the BIOS power on self test Press F2 to enter BIOS configuration Under the Advanced menu scroll to Legacy USB Support and enable it Without enabling this option the BIOS will not boot from a disk in the USB floppy drive Reboot the system to boot from your floppy disk Booting into Linux This section describes how to setup the Pegasus board in preparation for a Linux install from an installation CD ROM onto a laptop IDE hard drive 1 2 8 9 Connect the IDE FashDisk programmer board to IDEI Connect a CD ROM drive jumpered for the slave position to the IDE FlashDisk programmer board through the 40 pin cable Connect the CD ROM drive using cable 6981006 attached to IO P1 Be sure that an external 12VDC source is being suppled to the CD ROM Connect a laptop hardvdrive jumpered for master position to the second slot of the 44 pin cable Boot the Pegasus by plugging the power supply into the wall Press F2 at the power on self test to go to the BIOS configuration screen Go to the Boot menu and confirm that the CD ROM drive is first boot device Insert the boot CD for your operating system into the CD ROM drive Save the BIOS settings and reboot 10 You should now be able to install your OS Diamond Systems Corporation Pegasus User Manual Page 30 BIOS Setup Pegasus uses a BIOS from Phoenix Technologies modified to support the custom features of the Pegasus board Se
34. jumper block Figure 7 LVDS Panel Voltage Configuration 3 3V 5V default JVLCD1 T 3 6 dJo 3 olo 1 LCD Backlight Voltage Configuration JINV1 Jumper block JINV1 sets the LCD backlight voltage to 5V or 12V Note The JINV1 and JVLCD1 jumpers share the same jumper block Figure 8 LCD Backlight Voltage Configuration 5V 12V default Jinv1 E 3 o 9 9 s e ojo 7 CMOS Setup JBATI The three pin jumper block JBAT1 shown in Figure 9 is used to maintain or clear the CMOS settings Jumpering pins 1 2 the SBC powers up with the default BIOS settings and battery power is maintained to CMOS Diamond Systems Corporation Pegasus User Manual Page 25 Figure 9 Jumper Block JBAT1 Settings Persistent Clear CMOS CMOS s ee S e 9 o A A Follow these steps to clear the CMOS RAM Power down the SBC Remove the JBAT1 jumper and move it to the clear CMOS position jumpering pins 2 3 Wait ten seconds Insert the jumper on pins 1 2 Power up the SBC eA ndr Note Before erasing CMOS RAM record any custom BIOS settings Diamond Systems Corporation Pegasus User Manual Page 26 Installation and Configuration This section describes the steps needed to get your Pegasus board up and running and assumes that you have also purchased the Pegasus Development Kit The development kit includes all cables described in the previous section a power supply USB floppy drive mounting hardware IDE flashdisk
35. k into the USB floppy drive and start restart the system 4 Install any drivers needed Notes 1 For DOS Ethernet set Operating System to other in the BIOS 2 DOS Sound emulation is currently not functional CompactFlash Issues under DOS CompactFlash is incompatible with some utilities under some versions of DOS e CompactFlash with ROM DOS The ROM DOS FDISK utility does not work with CompactFlash drives The ROM DOS FORMAT and SYS do work however If CompactFlash already has a DOS partition the ROM DOS utilities can be used to FORMAT the CompactFlash and install operating system files on CompactFlash e CompactFlash with FreeDOS The FreeDOS FDISK or FORMAT utility do not work with CompactFlash However the FreeDOS SYS utility is functional with CompactFlash e CompactFlash with MS DOS The MS DOS FDISK FORMAT and SYS utilities are not functional when used with CompactFlash The MS DOS operating system files cannot be installed on CompactFlash flash Diamond Systems Corporation Pegasus User Manual Page 29 Boot Procedures Booting into MS DOS FreeDOS or ROM DOS This section describes how to boot into a DOS based operating system using a bootable floppy disk 1 2 Plug the USB floppy drive into one of the USB terminals of cable 6981171 Insert your DOS based boot disk into the USB floppy drive Connect the power supply to the wall to provide power to Pegasus At this point the Pegasus will boot and you s
36. lashDisk modules that contain 128MB to 4GB of solid state non volatile memory that operates like an IDE drive without requiring additional driver software support Model Capacity FD 128 XT 128MB FD 256 XT 256MB FD 512 XT 512MB FD 1G XT 1GB FD 2G XT 2GB FD 4G XT 4GB Figure 10 FlashDisk Module Installing the FlashDisk Module The FlashDisk module installs directly on the IDE connector IDE1 and is held down with a spacer and one screw onto a mounting hole on the board The FlashDisk module contains a jumper for master slave configuration For master mode install the jumper over pins and 2 For slave mode install the jumper over pins 2 and 3 Configuration To configure the SBC to work with the FlashDisk module enter the BIOS by pressing F2 during startup Select the Main menu and then select IDE Primary Master Enter the settings shown in the following table Diamond Systems Corporation Pegasus User Manual Page 39 Setting Value Type User Cylinders 977 for 128MB flashdisk Heads 8 for 128MB flashdisk Sectors 32 for 128MB flashdisk Multi Sector Transfer Disable LBA Mode Control Enable 32 Bit I O Disable Transfer Mode Fast PIO 1 Ultra DMA Mode Disable Exit the BIOS and save the change The system will now boot and recognize the FlashDisk module as drive C Using the FlashDisk with Another IDE Drive The FlashDisk occupies the board s 44
37. m or contact Diamond Systems technical support at 1 650 810 2500 Diamond Systems Corporation Pegasus User Manual Page 43 Appendix A BIOS CMOS Option Listing This section describes the steps for modifying the BIOS settings and describes the BIOS screens Viewing and Modifying the BIOS Settings During board startup repeatedly press the delete key lt Del gt to enter BIOS setup mode The main page displays the following menu options Standard CMOS Features Advanced Chipset Features Integrated Peripherals e PnP PCI Configurations e PC Health Status Load Optimized Defaults Set Password Save amp Exit Setup Exit Without Saving Select the menu option to view or modify the BIOS settings for the desired configuration area The screens displayed for each area are described below The following keyboard controls for navigating the screen are available on any page displayed at the bottom of the page Key Function Esc Exit current screen up down arrow Select setup item left right arrow Select menu item plus minus symbols Change values Fl Help FS Save previous values F6 Save default values F7 Save optimized default values F10 Exit BIOS setup At any time select one of the exit options from the main screen or press lt F10 gt to exit BIOS setup mode At the prompt enter Y yes to take the selected exit action or N no to disrega
38. mond Systems Corporation Pegasus User Manual Page 10 Connector Summary The following table lists the Pegasus board connectors Jumper Summary Connector Description PC104P1 PC 104 ISA Bus KBMS1 PS 2 Mouse and Keyboard VGAI VGA IDE IDE Bus MISCI Miscellaneous LVDS1 LCD Panel LVDS Interface J2 COM1 2 Serial Port I O LANI _ Ethernet USB1 USB 2 0 Ports 0 1 USB2 USB 2 0 Ports 2 3 PWRI Main Input Power PWR2 Panel Power Input IO P1 JO Power EBATI External Battery INVI LCD Backlight The following table lists the Pegasus board jumpers block Jumper Description JRSI COM2 RS 232 422 485 select JTM1 COM2 RS 232 RS 485 configuration Y LCD configuration JVCCO _ LVDS panel voltage configuration JINVI LCD backlight voltage configuration JBATI CMOS setup Diamond Systems Corporation Pegasus User Manual Page 11 Connectors This section describes the on board Pegasus connectors Note Pins marked as key are cut away or removed unless otherwise indicated PC 104 ISA Bus PC104P1 These two connectors carry the ISA bus signals The following diagram shows the PC 104 pin layout IOCHCHK SD7 SD6 SD5 SD4 SD3 SD2 SD1 SDO IOCHRDY AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 SAG SA5 SA4 SA3 SA2 SA1 SAO Ground
39. nk activity indication referenced to ground Act Act Activity LED indicator USB 2 0 Ports USB1 USB2 The board features four USB 2 0 ports Connector USB1 interfaces to USB port 0 1 and connector USB2 interfaces to USB ports 2 3 USB 2 0 provides a 480Mbps maximum data transfer rate USBI Ground 1 2 USBO VCC USBO Data 3 4 USBO Data Key 5 6 Ground Ground 7 8 USB1 VCC USB1 Data 9 10 USB1 Data USB2 Ground 1 2 USB2 VCC USB2 Data 3 4 USB2 Data Key 5 6 Ground Ground 7 8 USB3 VCC USB3 Data 9 10 USB3 Data Signal Definition USB0 3 VCC 5V power for USB ports 0 3 USBO 3 Data Data for USB ports 0 3 USBO 3 Data Data for USB ports 0 3 Ground Ground tied to system ground Diamond Systems Corporation Pegasus User Manual Page 19 Main Input Power PWRI Input power may be supplied using either PWRI the I O power connector IO P1 an external supply or directly through the PC 104 bus power pins 1f a PC 104 power supply is used with the SBC The board only requires 5VDC input power to operate All other required voltages are generated on board However the PC 104 bus may be used to supply 5V and 12V if needed Multiple 5V and ground pins are provided for extra current carrying capacity if needed Each pin is rated at 3A max For applications requiring less than 3A the first four pins may be c
40. oard and use a keyboard and terminal or erase the CMOS RAM which will return the BIOS to its default settings CMOS RAM may be erased by removing the jumper on the JBAT1 jumper block Diamond Systems Corporation Pegasus User Manual Page 33 Note Before erasing CMOS RAM write down any custom BIOS settings you have made If you erase the CMOS RAM the next time the CPU powers up COM2 returns to the default settings of 115 2Kbaud N 8 1 and operates only during POST If you selected COMA or COMB continue with the configuration as follows 1 For Console Type select PC ANSI 2 You can modify the baud rate and flow control here if desired 3 At the bottom for Continue C R after POST select Off default to turn off after POST or select On to remain on always 4 Exit the BIOS and save your settings Watchdog Timer Pegasus contains a watchdog timer circuit consisting of two programmable timers WD1 and WD2 cascaded together The input to the circuit is WDI and the output is WDO WDI may be triggered in hardware or in software A special early version of WDO may be output on the WDO pin When this signal is connected to WDI the watchdog circuit is re triggered automatically The duration of each timer is user programmable When WD1 is triggered it begins to count down When it reaches zero it triggers WD2 sets WDO high and may also generate a user selectable combination of the following events System Management
41. onnected to a standard 4 pin miniature PC power connector or the alternate power I O connector may be used For a larger PC 104 stack the total power requirements should be calculated to determine whether additional wires are necessary Ground 1 2 5VDC Ground 3 4 12VDC Ground 5 6 12VDC Key 7 8 5VDC Ground 9 10 5VDC Signal Definition 5VDC 5V input Only 5VDC power is required for board operation 12VDC 12V input 12VDC 12V input Ground Ground Panel Power Input PWR2 Connector PWR2 provides power to the board when connected to the I O panel board All signals are routed to their corresponding pins on the PC 104 connector 5V 1 2 5V 5V 3 4 Ground Ground 5 6 Ground 12V 7 8 12V Signal Definition T5V 5V input Only 5VDC power is required for board operation 12V 12V input Provided as a pass through to the PC 104 bus connector Ground Ground Diamond Systems Corporation Pegasus User Manual Page 20 VO Power IO PI Connector IO P1 provides an alternate connector for either input power to the system or output power for use with external drives This connector mates with Diamond Systems cable part number 6981006 which provides a standard full size power connector for a hard drive or CD ROM drive and a standard miniature power connector for a floppy drive 1 5V I O 2 Ground 3 Ground 4
42. orando Pee ed anise 32 PS12 POS coeant ote tuendae eet each cass eee ae LAU Cale Ds cte Ava Ie 32 USB PO T ER 32 Console Redirection to a Serial Port cccceccccesescesceeccceedeceeeesesccneceneeetenseeeesccenes 33 Watchdog ME id a ic 34 Flash Memory sco etn meti uoces asad deu ce e RA ee tate et ea LC Pes 34 Backup Batir li ee cti 34 On Board VIGEO cias rios 35 Watchdog Timer PrograMMiNQ niicccnnnnnnnnnnnnncccncncnnnnnnnnnnnnccnr nr 36 Watchdog Timer Register Detalls 202 cc ccccccesseessececeeeeesteneeeseseteneecetdeeeseneeeeees 36 Example Watchdog Timer With Software Trigger eese 37 Example Watchdog Timer With Hardware Trigger sseeeeeeeese 38 FlashDisk Module 3 III e E Ee Eee eben sue p EU E ie diaaa diieas 39 Installing the FlashDisk Module i ia ee Adele ee karen tnde Hanes 39 COMMOUNAUOM isda Maren o ia 39 Using the FlashDisk with Another IDE Drive sseem 40 POWER AAA A bd Canes a 40 FlashiDisk Programmer Board da 41 VO C 0 n M 42 Specilicali ls s oe edi cote no eat ee ia deL 43 A O 43 B s and Memo ia iii 43 Perplieralss oeste sus A do 43 Power SUP DI Eso dr E A A A 43 DO ii a O A Ad 43 Additional MO MANO siria aia 43 Technical SUpDOFL nid ita ida eos 43 Appendix A BIOS CMOS Option Listing cccsseaoooooooooooooonononananannnnnnnnnnnnnn 44 Diamond Sy
43. rd the exit action and remain in the current screen Diamond Systems Corporation Pegasus User Manual Page 44 BIOS Screen Descriptions This section describes the screen displays for each BIOS setup area Where Change Not Allowed is indicated 1t is because the configuration item is not supported by the current hardware version The configuration item is displayed for future expansion Standard CMOS Features Default Value Change Configuration Item or Optional Values Comments Not User Entry Allowed System Date 00 00 00 Month day year vetem Time 00 00 00 _ ee 24 hour _ ormat IDE Primary Master See Primary Master HDD Setup IDE Primary Slave Same as IDE Primary Master EGA VGA CGA 40 Vid v CGA 80 MONO All Errors No Errors Halt On All But Keyboard All But Diskette All But Disk Key IDE Primary Master Slave Setup j Default Value Optional Change Configuration Item or Values Comments Not User Entry Allowed When this field is highlighted press Enter to auto detect the HDD size and IDD HDD Auto Detection configuration parameters A progress message displays while the system detects the installed HDD None E IDE Primary Master Auto Manual CHS LBA Access Mode Large Auto Diamond Systems Corporation Pegasus User Manual Page 45 Advanced BIOS Features
44. rts Two serial ports COM1 and COM2 have full RS 232 handshake capability using 115 2kbps transceivers with ESD protection COM2 has additional support for RS 422 and RS 485 In RS 422 and RS 485 mode the serial ports have jumper configurable 120 ohm termination resistors and jumper configurable pull up down resistors A console redirection feature using a serial port for keyboard input and terminal display via a link to a second computer is provided in the BIOS Solid State Storage IDE Flashdisk Connector The board provides a standard 44 pin header for connecting an IDE drive on one channel This connector can also be used for mounting a solid state IDE flashdisk module On Board IDE Flashdisk For the PGS800 256 2G model the board has an on board IDE flashdisk chip with 2GB storage capacity Note Because the chip is a BGA this is an assembly option and is not upgradeable after assembly CompactFlash Socket On the bottom side the board includes an IDE Type II CompactFlash socket Battery Backup The board includes a backup battery for CMOS RAM and real time clock backup The battery provides a minimum five year lifetime at Ta 25 C and 0 power duty cycle Note The battery is an integrated unit with soldered terminals and not replaceable Diamond Systems Corporation Pegasus User Manual Page 7 A connector and jumper are provided to disable the on board battery and enable the use of an external battery The jumper
45. stems Corporation Pegasus User Manual Page 3 Viewing and Modifying the BIOS SettingsS oooooonoccocccccnnncicinnconoccccccnnnnnnnnnnnnnnnnno 44 Standard GMOS Features cineca ils toria cio evans 45 Load Optimized Detalla a aa 52 ez cce 205 52 Figures Figure 1 Pegasus Functional Block DiagramM oooocccccnncnonccccccncccnonnnancananannnnnnnnnnnnnnnnnnnnnos 9 Figure 2 Pegasus Board Layout top eene 10 Figure 3 Pegasus Board Layout bottom eene 10 Figure 4 Jumper Block JRS1 Settings o oeil beo abe eedem peret eros 23 Figure 5 Jumper Block JTM1 SettiMgsS oooooocococoooomannscoccccccnnnnnnorannsnccar rre nn 24 Figure 6 LCD Configuration Jumper SettidgS ooooonccnncccccnnnncccnnnncnannncnnnncnnnannnanno nn nnnno 25 Figure 7 LVDS Panel Voltage Configuration sssssseeenee 25 Figure 8 LCD Backlight Voltage ConfiguratiON ooocccnnnnnccnnncccncccccnannnanannnnnnnnnonnnnnnnns 25 Figure 9 Jumper Block JBAT1 Settings e eerie nennen nnnc 26 Figure 10 FlashBisk Module eh aeo pt ee e oie ba eie A 39 Figure 11 FlashDisk Programmer Board LayOUt oonocccocccccccccccconncononnnonnnncnnnnnnnonononnnnnnns 41 Figure 12 Pegasus Cable Kit C PGS KIT eese eneeeene nnne ecenn 42 Diamond Systems Corporation Pegasus User Manual Page 4 Introduction This manual provides information needed to configure
46. tup Default Change Configuration Item Value or Optional Values Comments Not User Entry Allowed Select PCI Device for PCI or l PCI Device ISA devices compliant with the IRQ n assisnged to B d plug and play architecture y NUS Used to configure IRQs 3 4 5 9 10 11 and 12 Memory Resources Setup Default Change Configuration Item Value or Optional Values Comments Not User Entry Allowed N A C800 CC00 Reserved Memory Base D000 D400 D800 DC00 8K This field can only be modified 16K if a non N A Memory Base is Reserved Memory Length 32K selected gt 64K Diamond Systems Corporation Pegasus User Manual Page 51 PC Health Status Select the PC Health Status menu item to monitor the following parameters Parameter Description Current CPU Temperature CPU VCore MEM Vcore VCC3 5V 12V VBAT V Load Optimized Defaults Selecting the Load Optimized Defaults menu item prompts you to confirm whether or not you want to load the optimized default values Enter Y Yes or N No to take the desired action Set Password You may choose to require a password to protect BIOS parameter modification Selecting the Set Password menu item prompts you to define a password There are no restrictions on the length or character in the password If you choose not to require a password press Enter lt CR gt without entering anything in the field A confirmation message will be displayed indicating
47. ve or CD ROM drive A dedicated connector J2 is provided for the FlashDisk module Any two devices may be connected simultaneously using this board with proper master slave jumper configurations on the devices The FlashDisk Programmer Board comes with a 44 wire cable no DSC no 6981004 and a 40 wire cable no DSC no C 40 18 for connection to external drives The FlashDisk module is sold separately The 44 pin connector J1 J2 and J3 and mating cable carry power but the 40 pin connector and mating cable do not Connectors J5 and J6 on the accessory board may be used to provide power to a 44 pin device attached to the board when the board is attached to a PC via a 40 pin cable These headers are compatible with the floppy drive power connector on a standard PC internal power cable Figure 11 FlashDisk Programmer Board Layout FlaehDisk Programmer J1 To CPJ J7 INF Connector 42 Hashbiak Modelo J3 To IDE Includes Pownr 44 To IDE Naads Powar ASSY NO 231281 REY S a 5 E Y 2 o E 7 5 3 G Diamond Systems Corporation Pegasus User Manual Page 41 1 O Cables Diamond Systems offers cable kit C PGS KIT with the following cables to connect to all I O headers on the board Some cables are also available separately Figure 12 Pegasus Cable Kit C PGS KIT Photo No Cable No Description 1 6981175 Power in 2 6981162 Keyboard mouse 3 6981006 Power out 4 698
48. wed Auto Mode 0 Master Drive PIO Mod e aster Driv ste e ode Mode 2 Mode 3 Mode 4 _ Same as Master Drive Slave Drive PIO Mode PIO Mode Disabl IDE Primary Master UDMA AS Auto f Disabled IDE Primary Slave UDMA Auto Disabled IDE DMA transf ransfer access Enabled If your HDD supports block Disabled mode select Enable to auto IDE HDD Block Mode Enabled detect the optimum number of nab read writers per sector the HDD supports Diamond Systems Corporation Pegasus User Manual Page 48 SuperIO Device Setup Configuration Item Default Value or User Entry Optional Values Comments Change Not Allowed Serial Port 1 Disabled 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 2E8 IRQ3 Auto Serial Port 2 Same as Serial Port 1 Brightness Control Low High IT8888 ISA Decode IO Setup Configuration Item Default Value or User Entry Optional Values Comments Change Not Allowed Decode I O Space n Disabled Enabled Decode I O Speed n Subtractive Speed Slow Speed Medium Speed Fast Speed Decode I O Addr n Min xxxx Max xxxx Key in a HEX number Decode I O Size n 1 Bytes 2 Bytes 4 Bytes 8 Bytes 16 Bytes 32 Bytes 64 Bytes 128 Bytes Diamond Systems Corporation Pegasus User Manual Page 49 IT8888 ISA Decode Memory Setup

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