User Manual ETX N270 - Diamond Systems Corporation
Contents
1. 11 9 9 Booting the System ue t eese tette doi Deest cetur ee Fat lr prae knee a 12 2 4 BIOS Setup Utlliby ecce redatto Ev Dea aa aeneo dead eave dd ETE D RARE ecd Dua 12 3 4 1 Standard CMOS Features 4 0 224 11 eines 12 3 42 Advanced BIOS Features ci eee ce cete dra dese ae c randa 12 3 4 8 Advanced Chipset Features 13 3 4 4 Integrated Peripherals teen Hr Eee 13 3 4 5 Power Management Setup sssssssssssseseeseeeene a 13 9 46 PhP POI Configuration icona rode cd Si eu tete ecc d tne e nae Rune cd Sta DRE ere dun 14 3 4 7 Other Settings and 4 enne aai 14 3 5 Operating System DEIVOrS eere dup ecu a Pav exu 14 29 6 BIOS Beep Code List rettet erre 14 4 INTERFACE CONNEGTOR DETAILS Leak n Pe e anas 15 44 qe nara du aeu na uae xx en e a d uq V2. SYSTEMS 31 ETX Development Kits To facilitate evaluation and development the ETX N270 is normally supplied pre integrated into one of Diamond s ETX development kits pictured below This approach increases project efficiency and reduces risks by providing a known good environment for rapid application development Diamond s ETX development kits feature baseboards with I O connectors for quick and easy access to nearly all system interfaces a CompactFlash socket and modular PC 104 Plus expansion The kits which include both generic models and application oriented ETX baseboards in various form factors extend the ETX N270 s functionality by adding serial and LAN ports RS 232 422 485 signal buffering CompactFlash sockets industry leading data acquisition I O functions and more Additionally the kits come with SO DIMM memory an extensive set of interface cables drivers for Linux and Windows operation and full documentation Two examples appear below ETX form factor development kit Matches EPIC form factor development kit Provides the footprint of the ETX N270 and provides connectors for system I O CompactFlash connectors for system I O CompactFlash PC 104 Plus expansion four additional serial PC 104 Plus expansion two additional serial ports RS 232 422 485 buffering a second ports RS 232 422 485 buffering a digital I O Ethernet port a 5V 7 28V DC to DC power port and a second Ethernet LAN
3. 5 S T M S ETX 3 0 Computer On Module Based on Intel Atom N270 Revision Date Comment 1 1 1 4 10 27 10 Minor updates 1 5 3 24 11 Update for new version of COMs FOR TECHNICAL SUPPORT PLEASE CONTACT Copyright 2011 Diamond Systems Corporation 555 Ellis Street Mountain View CA 94043 USA support diamondsystems com Tel 1 650 810 2500 Fax 1 650 810 2525 www diamondsystems com DIAMOND SYSTEMS CONTENTS IMPORTANT SAFE HANDLING 3 Ts INTRODUC TION M 4 PINE ILUUUCNCM 4 2 ee iweuzsids B OUM 6 2 1 Block DIagram iuter deep HDI TIE PD tue nep MM LM E EIE 6 2 2 Board Dimensions Mounting Holes and 7 2 3 Bus and Interface Connector Summary entretenir inneren 9 2 4 ETX BUS COnneclorS er reete cenit natur gute MER A E puru RN cases 9 2 5 Other Interface Connectors enne 00900909000 9 9 GETTING STARTED cm 10 31 ETX Development INS A 11 3 2 Configuring the
4. Note These pins are shared with the board s floppy drive controller function under control of the LPT FLPY input signal When that signal is left unconnected or held high the port is placed in parallel port mode ETX 270 User Manual 1 5 www diamondsystems com Page 24 DIAMOND SYSTEMS 4 3 7 These pins carry data and control information to from the board s floppy drive controller as indicated Floppy drive interface Signal Name Signal Function Direction LPT FLPY Interface configuration input In RESERVED Do not connect n a DENSEL Diskette data density select Out INDEX Index hole indicator In TRKO Track 0 indicator In WP Write protect indicator In RDATA Read data from drive In DSKCHG Drive door opened indicator In HDSEL Head select 0 1 control Out DIR Step head step direction control Out STEP Step pulse control Out DRV Drive select control Out MOT Drive motor activation control Out WDATA Write data to drive Out WGATE Write enable control Out Note These pins are shared with the board s bidirectional parallel port function under control of the LPT FLPY input signal When that signal is left unconnected or held high the port is placed in parallel port mode ETX 270 User Manual 1 5 www diamondsystems com Page 25 77 77 ee SYSTEMS 4 3 8 Miscellaneous functions These pins carry power and ground signals and a GPIO signal as indicate
5. www diamondsystems com 51 52 PIDE_IOR 53 54 PIDE IOW 55 56 PIDE DRQ 57 58 PIDE D15 59 60 PIDE DO 61 62 PIDE D14 63 64 PIDE 65 66 GND 67 68 PIDE D13 69 70 PIDE D2 71 72 PIDE D12 73 74 PIDE D3 75 76 PIDE 011 77 78 PIDE D4 79 80 PIDE D10 81 82 VCC 83 84 PIDE D5 85 86 PIDE D9 87 88 PIDE D6 89 90 CBLID_P 91 92 PIDE D8 93 94 SIDE D7 95 96 PIDE D7 97 98 HDRST 99 100 GND Page 27 SYSTEMS 441 IDE interfaces These pins carry data and control information to from the board s IDE drive controller as indicated Signal Name Signal Function Direction PIDE D0 15 Primary IDE ATA bidirectional data bus In Out PIDE A0 2 Primary IDE ATA address bus Out PIDE CS14 Primary IDE chip select 1 Out PIDE CS34 Primary IDE chip select 3 Out PIDE DRQ Primary IDE DMA Request for IDE Master In PIDED Primary IDE DACK for IDE Master Out PIDE RDY Primary IDE Ready In PIDE IOR Primary IDE IOR command function differs in Ultra 33 mode Out PIDE IOW Primary IDE IOWs command function differs in Ultra 33 mode Out PIDE INTRQ Primary channel interrupt request In Out SIDE D0 15 Secondary IDE ATA bidirectional data bus In Out SIDE 0 2 Secondary IDE ATA address bus Out
6. e Standard PS 2 keyboard and mouse ports e USB keyboard mouse also supported ETX 270 User Manual 1 5 www diamondsystems com Page 4 DIAMOND SYSTEMS USB e 4 USB 2 0 ports Other SMbus IrDA serial interfaces e PC speaker interface e Watchdog timer supports 255 level reset Dual system expansion buses e 16 bit ISA bus 32 bit PCI bus supports 4 PCI masters Size ETX 3 0 compliant form factor physical and electrical e 4 5 x 3 7 inches 95mm x 114mm Input voltage e System power 5V DC 5 e Real time clock backup 2 0 to 3 6V DC Operating environment e 20 C to 71 C or 40 C to 85 C operating temperature e Oto 90 operating humidity non condensing BIOS e Phoenix Award PnP flash BIOS Note The ETX 3 0 specification is available for download from the ETX Industrial Group s website http www etx ig de specs specs php ETX 270 User Manual 1 5 www diamondsystems com Page 5 SYSTEMS 2 FUNCTIONAL OVERVIEW 2 1 Block Diagram Figure 1 shows the ETX N270 COM s functional blocks ETX bus and peripheral interface signals SO DIMM SDRAM Intel VGA 945GSE LVDS COM1 COM2 LPT1 LPC bus Super FDD yo Controller IrDA PS 2 E 4 USB 2 0 T Primary IDE X Audio B Intel U ICH7 M 5 PCI to ISA Bridge Ethernet Controller 2 SATA SDVO Figure 1 Functional Block Diagram ETX 270 User Manual 1 5 www di
7. 45 46 DACK2 506 95 96 SD7 SA4 47 48 IRQ3 IOCHK 97 98 RSTDRV SA5 49 50 IRQ4 GND 99 100 GND ETX 270 User Manual 1 5 www diamondsystems com Page 20 4 3 ETX3 Connector DIAMOND SYSTEMS The 100 pin ETX3 connector implements VGA LCD LVDS TV video serial parallel floppy mouse and keyboard signals Because pins 51 100 are shared between floppy and parallel port functions dual signal assignments are indicated in the illustration below Further information regarding each of these signal groups follows Note Pins designated RESERVED should be left unconnected GND R HSY VSY DETECT LCDDO16 LCDDO17 GND LCDDO13 LCDDO12 GND LCDDO8 LCDDO9 GND LCDDO4 LCDDO5 GND LCDDO1 LCDDOO VCC JILI_DAT JILI_CLK BIASON COMP SYNC ETX 270 User Manual 1 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 GND B G DDCK DDDA LCDDO18 LCDDO19 GND LCDDO15 LCDDO14 GND LCDDO11 LCDDO10 GND LCDDO7 LCDDO6 GND LCDDOS LCDDO2 VCC LTGIOO BLON DIGON Y LPT FLP VCC STB RESERVED RESERVED IRRX IRTX RXD2 GND RTS2 DTR2 DCD2 DSR2 CTS2 TXD2 RI2 VCC RXD
8. AD31 AD14 45 46 SNDL INTC 95 96 INTD AD15 47 48 ASGND INTA 97 98 INTB CBE1 49 50 SNDR GND 99 100 GND ETX 270 User Manual 1 5 www diamondsystems com Page 16 SYSTEMS 4 1 4 PCI bus signals This set of pins implements the module s PCI expansion bus For further information regarding the functions of the PCI bus signals refer to the PCI Bus Specification available from the PCI Special Interest Group http www pcisig com specifications Signal Name Signal function Direction PCICLK1 4 PCI clock outputs for external PCI devices Out REQO 34 Bus Request signals of PCI Masters In GNT0 3 Grant signals to PCI Masters Out ADO 31 PCI address and data bus signals In Out CBE0 3 PCI Bus command and byte enables In Out PAR PCI bus parity bit In SERR System Error or PCI Clock RUN In Out GPERR Parity Error In Out PME Power management event In Out LOCK Lock resource signal In Out DEVSEL Device select In Out TRDY Target ready In Out IRDY Initiator ready In Out STOP Stop In Out FRAME Cycle frame In Out PCIRST bus reset Out INTA PCI interrupt In INTB PCI interrupt B In INTC PCI interrupt C In INTD PCI interrupt D In ETX 270 User Manual 1 5 www diamondsystems com Page 17 DIAMOND SYSTEMS 4 1 2 USB signals These pins provide connections to the board s four USB channels For further informatio
9. a common practice for board manufacturers However our boards are generally very dense and if the board has components very close to the board edge they can be damaged or even knocked off the board when the board tilts back in the rack Diamond recommends that all our boards be stored only in individual ESD safe packaging If multiple boards are stored together they should be contained in bins with dividers between boards Do not pile boards on top of each other or cram too many boards into a small location This can cause damage to connector pins or fragile components Power supply wired backwards Our power supplies and boards are not designed to withstand a reverse power supply connection This will destroy each IC that is connected to the power supply In this case the board will most likely will be unrepairable and must be replaced A chip destroyed by reverse power or by excessive power will often have a visible hole on the top or show some deformation on the top surface due to vaporization inside the package Check twice before applying power ETX 270 User Manual 1 5 www diamondsystems com Page 3 DIAMOND SYSTEMS 1 INTRODUCTION The ETX N270 is a highly integrated computer on module COM based on the low power high performance Intel Atom N270 processor clocked at 1 6GHz The module provides an SO DIMM socket for up to 2GB of DDR2 DRAM and provides interface controllers for high resolution CRT and LVDS interfaced displays 10 100Mbp
10. all data in stack back to CMOS 84h Initialize ISA PnP boot devices 85h Final USB initialization NET PC Build SYSID structure Switch screen back to text mode Set up ACPI table at top of memory Invoke ISA adapter ROM s Assign IRQ s to PCI devices Initialize APM Clear noise of IRQ s 86 Reserved 92h 93h Read HDD boot sector information for Trend Anti Virus code 94h Enable L2 cache Program boot up speed Chipset final initialization Power management final initialization Clear screen and display summary table Program K6 write allocation Program P6 class write combining 95h Program daylight saving update keyboard LED and typematic rate 96h Build MP table Build and update ESCD Set CMOS century to 20h or 19h Load CMOS time into DOS timer tick Build MSIRQ routing table FFh Boot attempt INT 19h ETX 270 User Manual 1 5 www diamondsystems com Page 40
11. and ECC auto detection of L2 cache socket 7 and below C3h Expand compressed BIOS code to DRAM C5h Call chipset hook to copy BIOS back to E000 amp F000 shadow RAM 01h Expand the Xgroup codes located in physical memory address 000 0 02h Reserved 03h Initial Super l O Early Init switch 04h Reserved 05h Blank out screen Clear CMOS error flag 06h Reserved 07h Clear 8042 interface Initialize 8042 self test 08h Test special keyboard controller for Winbond 977 series Super I O chips enable keyboard interface 09h Reserved OAh Disable PS 2 mouse interface optional auto detect ports for keyboard and mouse followed by a port and interface swap optional reset keyboard for Winbond 977 series Super chips OBh Reserved ODh OEh Test F000h segment shadow to see whether it is read write capable or not If test fails keep beeping the speaker OFh Reserved 10h Auto detect flash type to load appropriate flash read write codes into the run time area in F000 for ESCD amp DMI support 11h Reserved 12h Use walking 1 s algorithm to check out interface in CMOS circuitry Also set real time clock power status and then check for override 13h Reserved ETX 270 User Manual 1 5 www diamondsystems com Page 36 DIAMOND SYSTEMS 14h Program chipset default values into chipset Chipset default values are MODBINable by OEM customers 15h Reserved 16h Initial Ea
12. series Super I O chips ETX 270 User Manual 1 5 www diamondsystems com Page 37 DIAMOND SYSTEMS 34 Reserved 3Bh 3Ch Test 82 4 3Dh Reserved 3Eh Test 82 9 interrupt mask bits for channel 3Fh Reserved 40h Test 92 9 interrupt mask bits for channel 2 41 Reserved 42h 43h Test 82 9 functionality 44 Reserved 46h 47h Initialize EISA slot 48h Reserved 49h Calculate total memory by testing the last double last word of each 64K page Program writes allocation for AMD K CPU 4A Reserved 4Dh 4Eh Program MTRR of M CPU initialize L2 cache for P6 class CPU and program cacheable range Initialize the APIC for P6 class CPU On MP platform adjust the cacheable range to smaller one in case the cacheable ranges between each CPU are not identical 4Fh Reserved 50h Initialize USB 51h Reserved 52h Test all memory clear all extended memory to 0 53 Reserved 54h 55h Display number of processors multi processor platform 56h Reserved 57h Display PnP logo Early ISA PnP initialization and assign CSN to every ISA PnP device 58h Reserved 59h Initialize the combined Trend Anti Virus code 5Ah Reserved 5Bh Show message for entering AWDFLASH EXE from FDD optional feature 5Ch Reserved ETX 270 User Manual 1 5 www diamondsystems com Page 38 DIAMOND SYSTEMS 5
13. 007F Motherboard Resource 00000080 00000090 DMA Controller 00000091 00000093 Motherboard Resource 00000094 0000009F DMA Controller 000000A0 000000 1 Programmable Interrupt Controller 000000A2 000000BF Motherboard Resource 000000 0 000000DF DMA Controller 000000 0 000000EF Motherboard Resource 000000 0 000000FF Numeric Data Processor 000001F0 000001F7 Primary IDE Channel 00000274 00000277 ISAPNP Read Data Port 00000279 00000279 ISAPNP Read Data Port 00000294 00000297 Motherboard Resource ETX 270 User Manual 1 5 www diamondsystems com Page 33 DIAMOND SYSTEMS 000002E8 000002EF Communications Port COM4 000002 8 000002FF Communications Port COM2 00000378 0000037F Printer Port LPT 000003B0 000003BB Mobile Intel 94 Express Chipset Family 000003 0 000003DF Mobile Intel 94 Express Chipset Family 000003E8 000003EF Communications Port 000003F6 000003 6 Primary IDE Channel 000003 8 000003 Communications Port 00000400 000004BF Motherboard Resource 000004D0 00000401 Motherboard Resource 00000500 0000051F Intel 8280 G ICH7 Family SMBus Controller 27DA 00000680 000006FF Motherboard Resource 00000778 0000077B Printer Port LPT 00000880 0000088F Mother
14. 1 RTS1 DTR1 DCD1 DSR1 CTS1 TXD1 RH s GND www diamondsystems com 51 52 RESERVED 53 54 GND 55 56 AFD DENSEL 57 58 PD7 RESERVED 59 60 ERR HDSEL 61 62 PD6 RESERVED 63 64 INIT DIR 65 66 GND 67 68 PD5 RESERVED 69 70 SLIN STEP 71 72 PD4 DSKCHG 73 74 PD3 RDATA 75 76 PD2 WP 77 78 PD1 TRKO 79 80 PDO INDEX 81 82 VCC 83 84 ACK DRV 85 86 BUSY MOT 87 88 PEMWDATA 89 90 SLCT WGATE 91 92 MSCLK 93 94 MSDAT 95 96 KBCLK 97 98 KBDAT 99 100 GND Page 21 4 3 1 Analog video output DIAMOND SYSTEMS These pins provide video clock and sync information for display on analog CRTs or on LCD flat panels that are compatible with analog CRT timings as indicated Signal Signal Function Direction HSY Horizontal sync Out VSY Vertical sync Out R Red video output Out G Green video output Out B Blue video output Out DDCK Display Data Channel Clock for DDC interface between In Out the board s graphics controller and a monitor DDDA Display Data Channel Data for DDC interface between In Out the board s graphics controller and a monitor 4 3 2 TV video output These pins carry video and timing data for graphical display on a TV device as indicated Signal Name Signal Function Direction SYNC Composite Sync for SCART PAL TVs with EURO
15. AV compatible In Out connectors alternately usable for video related I O Y Luminance for S Video alternately Red for RGB video Out C Chrominance for S Video alternately Green for RGB video Out COMP Composite Video alternately Blue for RGB video Out ETX 270 User Manual 1 5 www diamondsystems com Page 22 u SYSTEMS 4 33 LCD interface These pins carry data for graphical display on an LCD panel as indicated Signal Name Signal Function Direction BIASON Controls display contrast voltage Out DIGON Controls digital power to LCD Out BLON Controls backlight power to LCD Out LCDO LCD19 LVDS channel data 0 19 Out DETECT Panel hot plug detection In FPDDC_CLK DDC DDC signals for flat panel detection and control Out FPDDC_DAT DDC DDC signals for flat panel detection and control In Out 4 3 4 Serial port interfaces These pins carry data and control information to from the board s two serial ports as indicated These pins provide logic level signaling and require external I O buffering if RS 232 RS 422 or RS 485 signaling is desired Signal Name Signal Function Direction DTR1 DTR2 Data terminal ready outputs from serial ports 1 and 2 Out RI1 RI22 Ring indicator inputs for serial ports 1 and 2 In TXD1 TXD2 Transmit data outputs from serial ports 1 and 2 Out RXD1 RXD2 Receive data inputs for serial por
16. Dh Initialize Init Onboard Super IO switch Initialize Init Onboard AUDIO switch 5E Reserved 5Fh 60h Okay to enter Setup utility 61 Reserved 64h 65h Initialize PS 2 mouse 66h Reserved 67h Prepare memory size information for function call INT h ax E820h 68h Reserved 69h Turn on L2 cache 6Ah Reserved 6Bh Program chipset registers according to items described in Setup and Auto Configuration table 6Ch Reserved 6Dh Assign resources to all ISA PnP devices Auto assign ports to onboard COM ports if the corresponding item in Setup is set to AUTO 6Eh Reserved 6Fh Initialize floppy controller Setup floppy related fields in 40 hardware 70 Reserved 72h 73h Enter AWDFLASH EXE if AWDFLASH EXE is found in floppy dive and ALT F2 is pressed 74h Reserved 75h Detect and install all IDE devices HDD LS 20 ZIP CDROM 76h Reserved 77h Detect serial ports and parallel ports 78 Reserved 79h 7Ah Detect and install coprocessor 7B Reserved 7Eh 7Fh Switch back to text mode if full screen logo is supported if errors occur report errors amp wait for keys if no errors occur or F1 key is pressed continue Clear EPA or customization logo 80 Reserved 81h ETX 270 User Manual 1 5 www diamondsystems com Page 39 DIAMOND SYSTEMS 82H Call chipset power management hook Recover the text fond used by EPA logo not for full screen logo If password is set ask for password 83H Save
17. ECP EPP or normal plus several settings relating to the EPP and ECP modes 3 45 Power Management Setup Here you can specify a host of options that regulate how the board s power management features behave Included are options for enabling disabling the board s ACPI Advanced Configuration and Power Interface capabilities and specifying the degree and behavior of power management relative to the system s mass storage devices and display Additionally this section of Setup provides several options for automatically powering up the system or resuming from a suspended state These include Power up automatically following unexpected power loss Resume operation based on modem or LAN connection Resume operation based on RTC alarm Resume operation following one of several time intervals ETX 270 User Manual 1 5 www diamondsystems com Page 13 DIAMOND SYSTEMS 3 4 6 Configuration This section of Setup provides options for configuration of devices connected to the ETX N270 s PCI bus including the choice between automatic plug and play PnP configuration of IRQ and DMA channel settings If PnP is disabled you can specific desired IRQ and DMA channels for PCI devices here 3 4 7 Other Settings and Utilities A few additional status and control functions are available from Setup s main menu These include CPU temperature status CPU cooling fan status CPU voltage status Reload default BIOS settings Set syste
18. SATA Serial ATA drive interfaces on a pair of 7 pin connectors located on the top side of the board The position and pinout of each of these connectors is compliant with the ETX 3 0 Specification The signal assignment appears below ETX 270 User Manual 1 5 www diamondsystems com Page 30 DIAMOND SYSTEMS 4 6 SDVO Connector A low profile 30 pin connector on the bottom of the ETX N270 contains the set of SDVO Serial Digital Video Out signals generated by the ETX N270 s IHC7 M chip SDVO a high speed serial digital video interface developed by Intel is a standard feature of many of Intel s newest PCI Express enabled graphics controllers SDVO uses differential signaling and is capable of driving CRT DVI LVDS and TV out devices Specifically the ETX N270 supports the SDVO signal set as defined by Intel Because the ETX 3 0 specification makes no provision for SDVO the ETX N270 provides an additional connector for optional SDVO interfacing The board s SDVO interface supports maximum data rates of 200 megapixels sec The interface connector is Hirose part number FH 12 30S 0 5SH The SDVO connector s signal pinout is shown below GND GND m SDVOB_RED SDVOB_CTRLCLK 1 SDVOB RED SDVOB CTRLDATA E GND GND E SDVOB GREEN NC E SDVOB GREEN NC GND BUF_PLT_RST SDVOB_BLUE 45V E SDVOB BLUE 45V moe zi GND 45V SDVOB CLKN 45V SDVOB CLKP GND GND GND SDVO_FLDSTALL GND SDVO_FLDSTALL GND ETX 270 User Manua
19. SIDE_CS1 Secondary IDE chip select 1 Out SIDE_CS3 Secondary IDE chip select 3 Out SIDE_DRQ Secondary IDE DMA Request for IDE Master In SIDED_AK Secondary IDE DACK for IDE Master Out SIDE_RDY Secondary IDE Ready In SIDE_IOR Secondary IDE OR command function differs in Ultra 33 mode Out SIDE_lOW Secondary IDE OW command function differs in Ultra 33 mode Out SIDE_INTRQ Secondary channel interrupt request In DASP_S Drive active or slave present on Secondary IDE channel Out PDIAG_S Slave diagnostic passed indicator function differs in DMA66 or DMA100 In modes HDRST Drive hardware reset Out CBLID_P Detects 80 conductor IDE cable on primary IDE channel In ETX 270 User Manual 1 5 www diamondsystems com Page 28 4 4 2 Ethernet port DIAMOND SYSTEMS The ETX N270 s 10 100Mbps Ethernet LAN interface signals on connector ETX4 require the use of an external 1 1 transformer The ETX 3 0 specification provides further details regarding the transformer s requirements Signal Name Signal Function Direction TXD TXD Transmit data differential pair Out RXD RXD Receive data differential pair In ACTLED Data transmit receive activity LED on data activity Out LILED Link Integrity LED on link valid Out SPEEDLED Speed LED on 100Mbps off 10Mbps Out 4 4 8 Power control and management These pins support various power management and control functions in conjunction with the board s ACPI BIOS functionality and sy
20. SOURCES REFERENCE sese 32 5 1 BIOS Memory Mapping inten ndn ss nnns sn 32 5 2 WO Port Address Map isis 33 5 3 Interrupt Request IRQ 040000000 canes caaeeeeaaeseeeeseaeeesaaesseaeeseeeeeseaeeesaeeeeneeee 35 5 4 BIOS POST COdeS isd eas 36 ETX 270 User Manual 1 5 www diamondsystems com Page 2 DIAMOND SYSTEMS IMPORTANT SAFE HANDLING INFORMATION WARNING ESD Sensitive Electronic Equipment Observe ESD safe handling procedures when working with this product Always use this product in a properly grounded work area and wear appropriate ESD preventive clothing and or accessories Always store this product in ESD protective packaging when not in use Safe Handling Precautions The ETX N270 contains numerous I O connectors that connect to sensitive electronic components This creates many opportunities for accidental damage during handling installation and connection to other equipment The list here describes common causes of failure found on boards returned to Diamond Systems for repair This information is provided as a source of advice to help you prevent damaging your Diamond or any vendor s embedded computer boards ESD damage This type of damage is almost impossible to detect because there is no visual si
21. amondsystems com Page 6 SYSTEMS 2 2 Board Dimensions Mounting Holes and Connectors The two diagrams below show the mechanical dimensions of the ETX N270 s board outline and five mounting holes as well as the position of all connectors on both the top and bottom sides of the board nn nn i SO DIMM socket o waa SATA2 j IF T TH O LI i a Atom 8 1 N270 2 108 00 114 00 Figure 2 Board Layout ETX 270 User Manual 1 5 www diamondsystems com Page 7 48 26 ETX 270 User Manual 1 5 SYSTEMS ISA bus PCI bus USB Audio 5 sovol rns Q e IDE1 LAN SMbus Miscellaneous VGA LCD IrDA Serial Ports Parallel Port Floppy Keyboard Mouse 48 47 Figure 3 Board Layout Bottom www diamondsystems com Unit mm Page 8 DIAMOND SYSTEMS 2 3 Bus and Interface Connector Summary The ETX N270 has seven interface connectors as listed in the tables below With the exception of SDVO1 these connectors are defined in accordance with the ETX 3 0 Computer on Module COM Specification Signal functions relating to all of the module s interface connectors are discussed in greater detail in Section 4 of this document 2 4 ETX Bus Connectors Connector Location Pins Fun
22. board Resource 00000A78 00000A7B Motherboard Resource 00000BBC 00000BBF Motherboard Resource 00000BBC 00000BBF Motherboard Resource 00000D00 0000FFFF PCI bus 00000E78 00000E7B Motherboard Resource 00000F78 00000F7B Motherboard Resource 00000FBC 00000FBF Motherboard Resource 0000B000 0000BFFF Intel 8280 G ICH7 Family PCI Express Root Port 27D4 0000C000 0000CFFF Intel 8280 G ICH7 Family PCI Express Root Port 27D0 0000DF00 0000DFS3F Intel PRO 00 VE Network Connection 0000F000 OOOOFOFF Realtek AC 97 Audio 0000F300 0000F30F Intel 8280 GBM GHM ICH7 M Family Serial ATA Storage Controller 27C4 0000F400 0000 40 Intel 8280 GBM GHM ICH7 M Family Serial ATA Storage Controller 27C4 0000F500 0000F50F Intel 8280 GBM GHM ICH7 M Family Serial ATA Storage Controller 27C4 ETX 270 User Manual 1 5 www diamondsystems com Page 34 DIAMOND SYSTEMS 5 3 Interrupt Request IRQ Lines Peripheral devices use interrupt request lines to notify CPU when services are required The table below lists the interrupt request channels used by the ETX N270 s onboard devices IRQ Level Function IRQ 01 Standard 0 02 Key or Microsoft Natural PS 2 Keyboard IRQ 03 Communications Port IRQ04 Communications Port IRQ 08 System CMOS real time cl
23. ction ETX1 Bottom 100 PCI bus USB ports audio interface serial IRQ ETX2 Bottom 100 ISA bus VGA LCD LVDS TV video serial ports PS2 keyboard ES Sonam 100 and mouse parallel port floppy interface ETX4 Bottom 100 IDE ports Ethernet power supply control speaker RTC real time clock backup battery input bus SM bus 2 5 Other Interface Connectors Connector Location Pins Function SATA1 Top 7 Serial ATA channel 1 SATA2 Top 7 Serial ATA channel 2 SDVO1 Bottom 30 Serial Digital Video Out SDVO port ETX 270 User Manual 1 5 www diamondsystems com Page 9 DIAMOND SYSTEMS 3 GETTING STARTED This section of the ETX N270 User Manual covers basic hardware setup power connection system boot up and initial software configuration First time ETX N270 users normally receive the product as part of one of Diamond s Development Kits which provide everything needed to ensure rapid application development Important Safe Handling Information WARNING ESD Sensitive Electronic Equipment Observe ESD safe handling procedures when working with this product Always use this product in a properly grounded work area and wear appropriate ESD preventive clothing and or accessories Always store this product in ESD protective packaging when not in use Please refer to page 4 of this manual Important Safe Handling Information for further details ETX 270 User Manual 1 5 www diamondsystems com Page 10
24. d Signal Name Signal Function VCC 5V 5 DC power input Direction In GND Power ground In Out RESERVED Do not connect n a LTGIOO General purpose In Out ETX 270 User Manual 1 5 www diamondsystems com Page 26 4 4 ETX4 Connector DIAMOND SYSTEMS The 100 pin ETX4 connector implements the board s IDE Ethernet and a number of other signals as indicated in the table below Further information regarding each of these signal groups follows the table GND 5V_SB PS_ON PWRBTN KBINH RSMRST ROMKBCS EXT_PRG OVCR EXTSMI SMBCLK SIDE_CS3 SIDE_CS1 SIDE_A2 SIDE_AO GND PDIAG_S SIDE A1 SIDE INTRQ BATLOW SIDE_AK SIDE_RDY SIDE_IOR VCC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 ETX 270 User Manual 1 5 GND PWGIN SPEAKER BATT LILED ACTLED SPEEDLED VCC GPCS I2DAT SMBDATA SMBALRT DASP_S PIDE_CS3 PIDE_CS1 GND PIDE_A2 PIDE_AO PIDE A1 GPE1 PIDE_INTRQ PIDE_AK PIDE_RDY VCC SIDE IOW SIDE DRQ SIDE D15 SIDE DO SIDE D14 SIDE D1 SIDE D13 GND SIDE D2 SIDE D12 SIDE D3 SIDE D11 SIDE D4 SIDE D10 SIDE D5 VCC SIDE_D9 SIDE_D6 SIDE_D8 GPE2 RXD RXD TXD TXD GND
25. derations Several other relevant specifications are referenced below ETX 270 User Manual 1 5 www diamondsystems com Page 15 DIAMOND SYSTEMS 41 ETX1 Connector The 100 pin high density ETX1 connector implements the board s PCI bus USB and audio signals as indicated in the table below Further information regarding each of these signal groups follows the table Note Pins designated RESERVED should be left unconnected GND 1 2 GND VCC 51 52 VCC PCICLKS 3 4 PCICLK4 PAR 53 54 SERR GND 5 6 GND GPERR 55 56 RESERVED PCICLK1 7 8 PCICLK2 PME 57 58 USB2 REQ3 9 10 GNT3 LOCK 59 60 DEVSEL GNT2 11 12 3V TRDY 61 62 USB3 REQ2 13 14 GNT1 IRDY 63 64 STOP REQI 15 16 3V FRAME 65 66 USB2 GNTO 17 18 RESERVED GND 67 68 GND VCC 19 20 VCC AD16 69 70 CBE2 SERIRQ 21 22 REQO AD17 71 72 USB3 ADO 23 24 3V AD19 73 74 AD18 AD1 25 26 AD2 AD20 75 76 USBO AD4 27 28 ADS AD22 77 78 AD21 AD6 29 30 ADS AD23 79 80 USBt CBEO 31 32 AD7 AD24 81 82 CBE3 AD8 33 34 ADO VCC 83 84 VCC GND 35 36 GND AD25 85 86 AD26 AD10 37 38 AUXAL AD28 87 88 USBO AD11 39 40 MIC AD27 89 90 AD29 AD12 41 42 AUXAR AD30 91 92 USB1 AD13 43 44 ASVCC PCIRST 93 94
26. er source ETX 270 User Manual 1 5 www diamondsystems com Page 19 DIAMOND SYSTEMS 4 2 ETX2 Connector The 100 pin high density ETX2 connector implements the board s ISA bus signals as indicated in the table below For further information on the module s ISA bus signals refer to the ETX 3 0 Specification GND 1 2 GND VCC 51 52 VCC SD14 3 4 SD15 SA6 53 54 IRQS SD13 5 6 MASTER SA7 55 56 IRQ6 SD12 7 8 DREQ7 SA8 57 58 IRQ7 5011 9 10 DACK7 SA9 59 60 SYSCLK SD10 11 12 DREQ6 5 10 61 62 REFSH 509 13 14 DACK6 SA11 63 64 DREQI SD8 15 16 DREQ5 SA12 65 66 DACK1 MEMW 17 18 DACK5 GND 67 68 GND MEMR 19 20 DREQO SA13 69 70 DREQ3 LA17 21 22 DACKOst SA14 71 72 DACK3 LA18 23 24 IRQ14 SA15 73 74 IOR amp LA19 25 26 IRQ13 SA16 75 76 lOW LA20 27 28 IRQ12 SA18 77 78 SA17 21 29 30 IRQ11 SA19 79 80 SMEMR LA22 31 32 IRQ10 IOCHRDY 81 82 AEN LA23 33 34 1016 VCC 83 84 VCC GND 35 36 GND 500 85 86 SMEMW SBHE 37 38 M16 502 87 88 SD1 SA0 39 40 OSC SD3 89 90 NOWS SA1 41 42 BALE DREQ2 91 92 SD4 SA2 43 44 TC SD5 93 94 IRQ9 SA3
27. gn of failure or damage The symptom is that the board simply stops working because some component becomes defective Usually the failure can be identified and the chip can be replaced To prevent ESD damage always follow proper ESD prevention practices when handling computer boards Damage during handling or storage On some boards we have noticed physical damage from mishandling A common observation is that a screwdriver slipped while installing the board causing a gouge in the PCB surface and cutting signal traces or damaging components Another common observation is damaged board corners indicating the board was dropped This may or may not cause damage to the circuitry depending on what is near the corner Most of our boards are designed with at least 25 mils clearance between the board edge and any component pad and ground power planes are at least 20 mils from the edge to avoid possible shorting from this type of damage However these design rules are not sufficient to prevent damage in all situations A third cause of failure is when a metal screwdriver tip slips or a screw drops onto the board while it is powered on causing a short between a power pin and a signal pin on a component This can cause overvoltage power supply problems described below To avoid this type of failure only perform assembly operations when the system is powered off Sometimes boards are stored in racks with slots that grip the edge of the board This is
28. interface supply and an industry leading data acquisition subsystem 3 2 Configuring the Hardware Assuming you are using one of Diamond s baseboards and heat spreaders or heatsinks with the ETX N270 prepare the hardware as follows e SO DIMM memory module is not already installed carefully insert it into the socket provided on the top side of the ETX N270 module Refer to the specifications in the introduction of this manual for memory capacity and speed requirements e Secure the heat spreader or heatsink to the top side of the ETX N270 module using the single short screw provided with the heat spreader or heatsink taking care to align the four corner mounting holes of the heat spreader or heatsink with the four corresponding standoffs on the top of the ETX N270 Note This mounting screw attaches to the heat spreader or heatsink via a hole near the middle of ETX N270 module and screws in from the bottom side of the ETX module e Using the four long screws provided with the heat spreader or heatsink secure the heat spreader or heatsink to the corresponding standoffs located in the four corners of the top of the ETX N270 module If the ETX module is to being installed in an enclosure align the heat spreader s or heatsink s corner mounting ETX 270 User Manual 1 5 www diamondsystems com Page 11 DIAMOND SYSTEMS holes with corresponding hole pattern on the enclosure before inserting and tightening the four mo
29. l 1 5 www diamondsystems com Page 31 4 DIAMOND SYSTEMS 5 APPENDIX SYSTEM RESOURCES REFERENCE 5 1 BIOS Memory Mapping Address E000 0000h F000 FFFFh Device Description System BIOS Area D000 2000h D000 FFFFh Free space D000 0000h D000 FFFh LAN ROM C000 E000h CF00 FFFFh Free space C000 0000h C000 DFFFh VGA BIOS A000 0000h B000 FFFFh VGA RAM 0000 0000h 9000 FFFFh DOS 640K ETX 270 User Manual 1 5 www diamondsystems com Page 32 5 2 Each peripheral device in the system is assigned a set of I O port addresses which also become the identity of Port Address DIAMOND SYSTEMS the device The following table lists the I O port addresses used Address 00000000 00000007 Device Description DMA Controller 00000000 00000CF7 PCI bus 00000010 0000001F Motherboard Resource 00000020 00000021 Programmable Interrupt Controller 00000022 0000003F Motherboard Resource 00000040 00000043 System Timer 00000044 0000005F Motherboard Resource 00000060 00000060 Standard 0 02 Key or Microsoft Natural PS 2 Keyboard 00000061 00000061 System Speaker 00000062 00000063 Motherboard Resource 00000064 00000064 Standard 0 02 Key or Microsoft Natural PS 2 Keyboard 00000065 0000006F Motherboard Resource 00000070 00000073 System CMOS real time clock 00000074 0000
30. m boot password Exit Setup with or without saving changes 3 5 Operating System Drivers Drivers for Windows XP and Linux 2 6 if required are included on the Software and Documentation CD that is provided along with the ETX N270 or in its Development Kit To locate the ETX N270 module s software drivers on the CD view the index html file in the CD s root directory locate Computer on Modules and then click on ETX COMs This software is also available for download from Diamond s website 3 6 BIOS Beep Code List Beep Sound Message 1 short System is booting normally 2 short CMOS setting error 1 long 1 short DRAM error 1 long 2 short Display card or monitor connected error 1 long short Keyboard error 1 long 9 short ROM error long continuous DRAM not inserted correctly short continuous Power supply problem ETX 270 User Manual 1 5 www diamondsystems com Page 14 DIAMOND SYSTEMS 4 INTERFACE CONNECTOR DETAILS This section describes the functions available on all of the ETX N270 s bus and I O interface connectors The ETX 3 0 specification which provides more detail regarding the signals present on the ETX1 ETX2 ETX3 and ETX4 connectors is available from the ETX Industrial Group s website http www etx ig de specs specs php Also available from that site is the latest ETX Design Guide which provides further details on the ETX connector signal functions and interface consi
31. n regarding the functions of the USB signals listed above refer to the USB 2 0 Specification available from the USB Implementers Forum http www usb orq Signal Name Signal Function Direction USBO USB Port 0 data In Out USBO USB Port 0 data In Out USB1 USB Port 1 data In Out USB1 USB Port 1 data In Out USB2 USB Port 2 data In Out USB2 USB Port 2 data In Out USB3 USB Port 3 data In Out USB3 USB Port 3 data In Out 4 1 3 Audio interface These pins carry stereo audio input and output as indicated Signal Name Signal Function Direction SNDL Line level stereo output left drives a 5k ohm load Out SNDR Line level stereo output right drives a 5k ohm load Out AUXAL Auxiliary A input left In AUXAR Auxiliary A input right In MIC Microphone input In ASGND Analog ground n a ASVCC Power supply for audio controller n a ETX 270 User Manual 1 5 www diamondsystems com Page 18 DIAMOND SYSTEMS 4 1 4 Miscellaneous functions These pins carry power and ground signals and an interrupt request as indicated Signal Name Signal Function Direction VCC 5V 5 DC power input In GND Power ground n a 3V 3 3V 5 supply generated on the ETX module for Out powering external devices 500mA max external load RESERVED Do not connect n a SERIRQ Serial interrupt request In Caution Do not connect the 3V pins pins 12 and 16 of EXT1 to an external pow
32. ock IRQ 09 Microsoft ACPI Compliant System IRQ 10 Communications Port IRQ 11 Communications Port IRQ 12 PS 2 Compatible Mouse IRQ 13 Math Coprocessor IRQ 14 Primary IDE Channel IRQ 15 Intel 8280 G ICH7 Family SMBus Controller 27DA IRQ 16 Intel 8280 G ICH7 Family PCI Express Root Port 27DO IRQ 16 Intel 8280 G ICH7 Family USB Universal Host Controller 27CB IRQ 16 Mobile Intel 94 GM Express Chipset Family IRQ 17 Realtek AC 97 Audio IRQ 18 Intel 8280 G ICH7 Family PCI Express Root Port 27D4 IRQ 18 Intel 8280 G ICH7 Family USB Universal Host Controller 27CA IRQ 19 Intel 8280 G ICH7 Family USB Universal Host Controller 27C9 IRQ 19 Intel 8280 G ICH7 M Family Serial ATA Storage Controller 27C4 IRQ 19 Intel 8280 G ICH7 Family USB Universal Host Controller 27C9 IRQ 20 Intel PRO 00 VE Network Connection IRQ 23 Intel 8280 G ICH7 Family USB Universal Host Controller 27C8 IRQ 23 Intel 8280 G ICH7 Family USB2 Enhanced Host Controller 27CC ETX 270 User Manual 1 5 www diamondsystems com Page 35 DIAMOND SYSTEMS 5 4 BIOS POST Codes The POST codes used by the ETX N270 s on board BIOS appear in the table below Code Function CFh Test CMOS read write functionality COh Early chipset initialization Disable shadow RAM L2 cache socket 7 and below program basic chipset registers Cih Detect memory Auto detection of DRAM size type
33. rly Init Onboard Generator switch 17h Reserved 18h Detect CPU information including brand SMI type Cyrix or Intel and CPU level 86 or 686 19 Reserved 1Ah 1Bh Initial interrupts vector table If no special specified all H W interrupts are directed to SPURIOUS INT HDLR amp S W interrupts to SPURIOUS soft HDLR 1Ch Reserved 1Dh Initial EARLY PM INIT switch 1Eh Reserved 1Fh Load keyboard matrix notebook platform 20h Reserved 21h HPM initialization notebook platform 22h Reserved 23h Check validity of RTC value Load CMOS settings into BIOS stack If CMOS checksum fails use default value instead Prepare BIOS resource map for PCI amp PnP use If ESCD is valid take into consideration of the ESCD s legacy information Onboard clock generator initialization Disable respective clock resource to empty PCI amp DIMM slots Early PCI initialization Enumerate PCI bus number assign memory amp I O resource search for a valid VGA device amp VGA BIOS and put it into 000 0 24 Reserved 26h 27h Initialize INT 09 buffer 28h Reserved 29h Program CPU internal MTRR P6 amp PII for 0 640K memory address Initialize the APIC for Pentium class CPU Program early chipset according to CMOS setup Measure CPU speed Invoke video BIOS 2A Reserved 2Ch 2Dh Initialize multilanguage put information on screen display including Award title CPU type CPU speed etc 2E Reserved 32h 33h Reset keyboard except Winbond 977
34. s Ethernet SATA and IDE storage devices USB 2 0 audio serial parallel and PS 2 ports Additionally the ETX N270 provides a high degree of system expansion flexibility via the presence of both 32 bit PCI and 16 bit ISA expansion buses on its ETX 3 0 compliant baseboard interface connectors 1 1 Features e Processor e Intel Atom N270 533MHz FSB and 512KB L2 Cache e Chipset e Intel 945GSE and Intel ICH7M e RAM e 200 SO DIMM socket Supports up to 2GB DDR2 SDRAM 400 533MHz e Graphics Based on Intel GMA950 graphics core VGA CRT interface up to 2048x1536 resolution Dual channel 18 bit LVDS flat panel interface LVDS provides LCD backlight control signals TV output Intel compliant SDVO port supports VGA DVI LVDS TV out up to 200 megapixels sec data rate connector directly on ETX module e Supports dual independent displays e Audio e Realtek ALC655 AC 97 CODEC e line in out signals e IDE interface e 1 UltraATA 100 66 33 interface e Supports two devices Master Slave e Usable in PIO or UDMA mode e SATA interfaces e 2 SATA ports supporting one device each e Upto 150MB s data transfer rates e Connectors directly on ETX COM module e Floppy parallel port e Shared interface e Parallel port supports SPP EPP ECP modes e Ethernet interface e 1 10 100Base T port e Based on Realtek 8103EL e Serial ports e 2 16550 compatible ports e Logic level signaling e Keyboard mouse
35. stem management embedded controller Signal Name Signal Function Direction PWGIN Power good input power supply is ready In 5V_SB 5V 5 DC power input for suspend mode In PS Signals power supply to remove all power except 5V SB Out PWRBTN Power Button signal supports ACPI Power Button function In RSMRST Resume Reset resets internal power management logic In SMBALRT System Management Bus Alert from SM bus devices In BATLOW Battery low signal In GPE1 GPE2 General purpose power management event inputs In EXTSMI System management interrupt In ETX 270 User Manual 1 5 www diamondsystems com Page 29 DIAMOND SYSTEMS 4 4 4 Miscellaneous signals These pins implement the ETX N270 s SM Bus interface PC speaker output and RTC CMOS backup power input Signal Name Signal Function Direction SPEAKER This logic level signal can drive a piezoelectric speaker typically via a transistor BATT 2 4V to 3 3V DC backup power input for RTC and CMOS RAM typically connects to an external 3V lithium cell 2 connection I2DAT No connection y o SMBCLK Bidirectional SM Bus clock signal SMBDATA Bidirectional SM Bus data signal KBINH Keyboard inhibit signal In OVCR USB over current detected In ROMKBCS Reserved do not connect n a EXT PRG Reserved do not connect n a GPCS Reserved do not connect n a 4 5 SATA Connectors The ETX N270 provides two
36. tion includes settings for RTC date time initialization IDE and floppy drive detection and configuration default video mode and boot error handling options This function should be re run if the system s configuration is changed the onboard battery fails or the configuration stored in CMOS memory is lost or corrupt 3 4 2 Advanced BIOS Features The Advanced BIOS Features function provides configuration options for boot device priority CPU L3 Cache quick POST power on self test and several other system parameters One key configuration setting is the designation of First and Second boot devices This directs the BIOS to scan for a bootable operating system in two locations which can be floppy CD ROM hard drive USB devices or LAN devices Additionally you can specify an alternative location for the BIOS to scan in case these are not found or do not contain a bootable OS Other settings available from this Setup page include boot up NumLock status a security password option and selection of the system s APIC Advanced Programmable Interrupt Controller mode ETX 270 User Manual 1 5 www diamondsystems com Page 12 DIAMOND SYSTEMS 3 4 3 Advanced Chipset Features From this setup page you can configure the size of the video controller s on chip frame buffer set up the controllers DVMT Dynamic Video Memory Technology mode and memory size and specify what type of display will be used as the system s boot up console ou
37. tput device DVMT is an advanced video controller function that dynamically allocates system memory to be used as video memory in order to efficiently use of available resources to maximize graphics performance The DVMT related BIOS settings configure the behavior of the DVMT function including how much system memory is made available for video memory purposes The default display setting allows selection among CRT LCD CRT plus LCD default SDVO LVDS TV out or CRT plus SDVO LVDS devices Other settings specify the resolution of devices connected to the LCD SDVO or TV output ports The resolutions supported in each mode are listed below Display Interface Port Resolutions Supported CRT port Up to 2048 x 1536 resolution LCD port 640x480 800x600 1024x768 1280x1024 1400x1050 1600x1200 1280x768 1680x1050 1920x1200 1204x678 24 bit SDVO port 800x600 1024x768 TV output NTSC PAL 3 44 Integrated Peripherals This Setup section offers the ability to configure various onboard functions and peripheral controllers including enable disable mode and other options for the board s USB audio IDE Serial ATA floppy controller serial IR and parallel ports A few of the available options include e Mode controls for faster IDE data transfer including 33MB sec Ultra DMA33 feature e Onboard serial port mode handshake address and interrupt channel selection e Parallel port mode selection among SPP EPP ECP
38. ts 1 and 2 In CTS1 CTS2 Clear to send signal inputs for serial ports 1 and 2 In RTS1 RTS2 Request to send outputs from serial ports 1 and 2 Out DCD1 DCD2 Data carrier detected inputs for serial ports 1 and 2 In DSR1 DSR2 Data set ready inputs for serial ports 1 and 2 In ETX 270 User Manual 1 5 www diamondsystems com Page 23 4 3 5 Keyboard mouse and infrared transceiver interfaces DIAMOND SYSTEMS These pins carry data and clock signals associated with the board s PS2 keyboard and mouse ports Additionally transmit and receive data to from an IR device can be routed as indicated Signal Name Signal Function Direction KBDAT Data to from keyboard In Out KBCLK Clock signal to keyboard Out MSDAT Data to from mouse In Out MSCLK Clock signal to mouse Out IRTX Infrared transmit data Out IRRX Infrared receive data In 4 36 Parallel port interface These pins carry data and control information to from the board s bidirectional parallel port as indicated Signal Name Signal Function Direction LPT FLPY Interface configuration input In STB Printer data strobe Out AFD Automatic line feed request Out PDO 7 Bidirectional parallel data bus In Out ERR Printer error In INIT Printer initialization control Out SLIN Printer select control Out ACK Printer ready to receive data In BUSY Printer busy In PE Printer out of paper In SLCT Printer power on In
39. ue Ta dena 16 4 1 1 ell VE nrcs 17 LS 18 ELS Audio mena E e 18 4 1 4 19 ETX2 CONNECTION 20 4 3 ETXI CONNECTOR 21 4 3 1 D ossa ias a a E NET AES S 22 4 3 2 video uriia aaa ridea aa EAEE 22 RCM Hol 6 23 4 94 Serial port Interfaces eue se ru anco ended webs dosages Gerda nap 23 4 3 5 Keyboard mouse and infrared transceiver 24 4 3 6 Parallel port Interface rese ener reta red and a 24 4 3 7 Floppy dive MENACE 25 4 3 8 Miscellaneous functions 26 4 4 2 27 4 4 1 IDE 28 4 4 2 Ethernet m 29 4 4 3 Power control and 29 4 4 4 Miscellaneous 30 LONE Wr NeonresrtepC 30 46 aiereenrdee 31 5 APPENDIX SYSTEM RE
40. unting screws Depending on the thickness of the enclosure or chassis material slightly longer screws may be required e Connect the baseboard to a keyboard monitor mouse mass storage device other desired peripherals and a source of DC power Refer to the baseboard s User Manual for interface cabling considerations e Connect the baseboard to a suitable source of DC power as described in its User Manual 3 3 Booting the System Power up the VGA video monitor Then power up the system power supply The ETX N270 module should begin its boot up sequence immediately as evidenced by BIOS messages on the connected VGA display You can run the BIOS Setup utility and proceed to install an operating system on the boot drive just as you would on a normal desktop PC 3 4 BIOS Setup Utility The Award BIOS provides a Setup utility for specifying system configuration and settings Pressing the lt Del gt key shortly after power is applied to the ETX N270 launches the BIOS Setup utility Watch for the following message Press lt DEL gt to Enter Setup The BIOS Setup utility s main menu provides access to the following configuration and settings pages along with several exit options Setup categories include the following Standard CMOS features Advanced BIOS features Advanced chipset features Integrated peripherals PnP PCI configuration These are discussed briefly below 3 4 1 Standard CMOS Features The Standard CMOS Features func
Download Pdf Manuals
Related Search