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Epson ETX-945 - page 1
init ETX- 945 User Manual High-Performance ETX 3.0 Compliant Computer- on -Modules Copyright 2009 FOR TECHNICAL SU PPORT Diamond S ystems Corporation PLEASE CONTACT: 1255 Terra Bella A ve. Mountain View, C A 94043 USA support@diamonds ystems.com Tel 1- 650 -810- 2500 Fax 1- 650 -810-25 25 www.diamo ndsystems.com Revision Date Comm ent 1.00 Initial ...
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Epson ETX-945 - page 2
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 2 CONTENT S IMPORTANT SAFE-HANDLING INFO RMATIO N ...................................................................................................... 3 1. INT RODUCTIO N ........................................................................................................................ ...
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Epson ETX-945 - page 3
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 3 IMPORTA N T SAFE-HA N DLING INFOR M A TI ON WARNING : ESD-Sen sitive Electronic Equipm ent ! Observe ESD-s afe handling procedu res when w orking with this produ ct. Always use this product i n a properl y grounded w ork area and wear appropriate ESD-p reventiv e clothing and/or acce ssorie ...
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Epson ETX-945 - page 4
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 4 1. INTRODUC TION The ETX - 945 is a highly int egrated com puter- on - module (COM) available with a range of high perf ormance Intel ® Core TM 2 Duo, Core Duo, and Ce leron TM M processors . The module pro vides an S O-DIMM sock et for up to 2GB of DDR2 DRAM, and provides in terface contr ...
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Epson ETX-945 - page 5
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 5 Keyboard/m ouse: Standard PS/2 k eyboard/m ouse ports USB ke yboard/mouse supported USB: 4 USB 2.0 ports Other: SMbus , I 2 C, IrDA ser ial interf aces PC speaker interf ace W atchdog timer; supports 255- level reset Dual system ex pansion buses : 16 -bit ISA bus 32 -bit PCI bus; su pports ...
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Epson ETX-945 - page 6
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 6 2. FUNCT IONAL OVERVIEW 2.1 Block Diagram Figure 1 shows the ETX - 945 COM’s function al blocks , ETX bus, and perip heral interf ace signals . Figure 1: Functional Block Diag ram ...
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Epson ETX-945 - page 7
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 7 2.2 Board Dimensions, Mounting Holes, and Connectors The two diagram s below sho w the m echanical dimensions of the ET X- 945 ’s board outline and five mounting holes, as well as the positio n of all conn ectors on both the top a nd bottom sides of the board. Figure 2: Board La yout – ...
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Epson ETX-945 - page 8
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 8 Figure 3: Board La yout – Botto m ...
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Epson ETX-945 - page 9
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 9 2.3 Bus and Interface Connector Summary T he ETX- 945 has six interfac e connectors, as listed in the t ables below . These co nnectors are def ined in accordance with the ETX 3.0 Computer- on - Module (C OM) Specif ication. Signal f unctions relating to each of the ETX- 945’ s interface ...
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Epson ETX-945 - page 10
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 10 Important Safe-Han dling Inform ation W ARNING: ESD-Sensitive Electronic Equipm ent! Observe ESD-safe h andling proced ures when working with this product. Always use this prod uct in a properl y grounded work area and wear appropr iate ESD- preventive clothing a nd/or accessories. Always ...
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Epson ETX-945 - page 11
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 11 3.1 ETX Development Kits To f acilitate evaluation and dev elopment , the ETX - 945 is norm ally supplied pre -integrate d in to one of Diam ond’s ETX developm ent kits ( pictured below). T his approach increases project efficiency a nd reduces risk s by providing a known good environm e ...
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Epson ETX-945 - page 12
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 12 Using the four lon g screws provided with the heat- spreader (or h eatsink ), secure the heat -spreader (or heatsink) to the correspo nding st andoff s located in the f our corners of the top of the ETX - 945 m odule. If the ETX m odule is to being installed in an enclosure , align the h e ...
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Epson ETX-945 - page 13
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 13 3.4.3 Ad v anced Ch ipset Featur es From this setup page you can conf igure the s ize of the video controller’s on -chip fr ame buffer, set up the controller’s DVMT (Dynam ic Video Mem ory Technology) mode and m em ory size, and specif y what type of dis play will be used as th e syste ...
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Epson ETX-945 - page 14
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 14 3.4.6 Pn P/ PCI Configuration This section of Setup provides options f or configuratio n of devices connected to the ET X- 945 ’s PCI bus, includi ng the choice between autom atic “plug -and- pl ay” (PnP) configuration of IRQ and DM A channel settings. If PnP is disabled, you can spe ...
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Epson ETX-945 - page 15
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 15 4. INTERFA CE CONNECT OR DETA ILS This section des cribes the f unctions available on all of the ET X- 945 ’s bus an d I/O interface connec tors. T he ETX 3.0 specif ication, which pro vides m ore detail regarding the signals pres ent on the ETX1, ET X2, ETX3, and ETX 4 connectors, is av ...
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Epson ETX-945 - page 16
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 16 4.1 ETX1 Connector The 100-pin, hig h-density ET X1 connector im plements the b oard’s PCI bus, U SB, and audio signals, as indic ated in the table below. Furth er inform ation regarding each of these signal groups follows the table . (Note: Pins designated “RESERV ED” should b e lef ...
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Epson ETX-945 - page 17
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 17 4.1.1 PCI bus signals This set of pins im plements the m odule’s PCI expansi on bus. For f urther inform ation regarding the f unctions of the PCI bus signals , refer to the PCI Bus Specif ication, available from the PCI Spec ial Interest Group ( http://www.pcisig.com /specifications ). ...
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Epson ETX-945 - page 18
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 18 4.1.2 USB sign als These pins provide co nnections to the bo ard’s four US B channels. For f urther inf ormation regarding the fu nct ions of the USB signa ls listed above , refer to the USB 2.0 S pecification, available from the USB Im plementers For um ( http://www.usb.org ) . Signal N ...
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Epson ETX-945 - page 19
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 19 4.1.4 M iscellaneous functions These pins carr y power and ground si gnals and an int errupt request as indicated. Signal Name Signal Function Direction VCC +5V ±5% DC po wer input In GND Power ground n/a 3V +3.3V ± 5% supp ly generated o n the ETX m odule, for powering external d evices ...
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Epson ETX-945 - page 20
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 20 4.2 ETX2 Connector The 100-pin, hig h- density ETX 2 connector im plements the board’s ISA b us signals, as in dicated in the tab le below. For further inform ation on the m odule’s ISA bus si gnals, refer to t he ETX 3.0 Specification. GND 1 2 GND VCC 51 52 VCC SD14 3 4 SD15 SA6 53 54 ...
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Epson ETX-945 - page 21
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 21 4.3 ETX3 Connector The 100-pin ET X3 connector im plements VGA, LCD (LVDS), T V-video, s erial, parallel , f lopp y, mouse, and ke y board signa ls . Because pins 51-100 are s hared between f lopp y and parallel port f unctions, dual signal assignments are indica ted in the illustrat ion b ...
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Epson ETX-945 - page 22
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 22 4.3.1 Analog v ideo output These pins pro vide v ideo, clock, and sync inform ation for display on analog CRT s , or on LCD f lat panels that are com patible with an alog CRT tim ings, as indicated. Signal Name Signal Function Direction HSY Horizontal s ync O ut VSY Vertical sync O ut R Re ...
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Epson ETX-945 - page 23
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 23 4.3.3 LCD interfac e These pins carr y data for graphical display on an LCD panel, as indicated. Signal Name Signal Function Direction BIASON Controls displa y contrast voltage Out DIGON Controls digital po wer to L CD Out BLON# Control s backlight power to LCD Out LCD0-LCD19 LVDS channel ...
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Epson ETX-945 - page 24
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 24 4.3.5 Ke yboard, mouse, and inf rared trans ceiver int erfaces These pins carr y d ata a nd clock signals associated with the board’s PS2 k eyboard and m ouse ports . Addit ionally, transmit and receive dat a to/from an IR de vice, can be routed as indicated. Signal Name Signal Function ...
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Epson ETX-945 - page 25
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 25 4.3.7 Flopp y drive interface These pins carr y data and control inf orm ation to/from the board’s f loppy drive controller, as indicated. Signal Name Signal Function Direction LPT/FLPY# Interface configuratio n input In RESERVED Do not connect n/a DENSEL Diskette data dens ity select O ...
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Epson ETX-945 - page 26
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 26 4.3.8 M iscellaneous functions These pins carr y power and gr ound signals an d a GPIO s ignal, as ind icated. Signal Name Signal Function Direction VCC +5V ±5% DC power i nput In GND Power ground In/Out RESERVED Do not connect n/a LTGIO0 General purpose I/O In/Out ...
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Epson ETX-945 - page 27
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 27 4.4 ETX4 Connector The 100-pin ET X4 connector im plem ents the board’s IDE, Ethernet, and a num ber of other sig nals, as indicated in the table below . Further inform ation regarding each of these signal grou ps follows the table. GND 1 2 GND SIDE_IO W # 51 52 PIDE_IOR# 5V_SB 3 4 PWGIN ...
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Epson ETX-945 - page 28
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 28 4.4.1 IDE inte rfaces These pins carr y data and control inf orm ation to/from the board’s IDE dri ve controller, as in dicated. Signal Name Signal Function Direction PIDE_D0- 15 Primary IDE ATA bidirectional data bus In /O ut PIDE_A0-2 Primary IDE ATA address bus O ut PIDE_CS1# Primary ...
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Epson ETX-945 - page 29
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 29 4.4.2 Ethernet port The ETX - 945 ’s 10/100Mbp s Ethern et L AN interf ace signals on connect or ET X4 require the us e of an external 1:1 transformer. T he ETX 3.0 specif ication provides further details regarding the transf ormer ’s requirements . Signal Name Signal Function Directio ...
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Epson ETX-945 - page 30
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 30 4.4.4 M iscellaneous signals These pins implem en t the ETX- 945 ’ s I 2 C and SM Bus interfaces , PC-speak er output, and RT C/CMOS back up power input. Signal Name Signal Function Direction SPEAKER This logic-level si gnal can drive a piezoelectric speak er (typically via a transistor) ...
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Epson ETX-945 - page 31
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 31 5. A PPENDIX: SYSTEM RESOU RCES REFER ENCE 5.1 BIOS Memory Mapping Address Device Description E000:0000h - F00 0:FFFFh System BIOS Area D000:2000h - D 000:FFFFh Free space D000:0000h - D 000: FFFh LAN ROM C000:E000h - CF00:FFFFh Fr ee space C000:0000h - C 000:DFFFh VGA BIOS A000:0000h - B ...
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Epson ETX-945 - page 32
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 32 5.2 I/O Port Address Map Each peripheral dev ice in the system is assigned a se t of I/O port address es, which also become the identit y of the device. The f ollowing table lists t he I/O port addres ses used: Address Device Description 00000000 - 000 00007 DMA Controller 00000000 - 000 0 ...
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Epson ETX-945 - page 33
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 33 000002E8 - 000002EF Communications Port (COM4) 000002F8 - 000002FF Communications Port (COM2) 00000378 - 000 0037F Printer Port (LPT ) 000003B0 - 000003BB Mobile Intel 94 Express Chipset Family 000003C0 - 000003DF Mobile Intel 94 Express Chipset Family 000003E8 - 0000 03EF Communications P ...
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Epson ETX-945 - page 34
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 34 5.3 Interrupt Request (IRQ) Lines Peripheral devices use interr upt request lines to n otify CPU when s ervices are req uired. The table below lists the interrupt request channe ls used by the ETX- 945 ’s on board devices . IRQ Level Function IRQ 01 Standard 0 / 02-Key or Microsoft Natur ...
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Epson ETX-945 - page 35
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 35 5.4 BIOS POST Codes The POST codes us ed by the ETX- 945 ’s on -board B IOS appear in the table belo w. Code Function CFh Test CMOS read/write functionality C0h Early chipset initialization: Disable shadow RAM, L2 cache (socket 7 and below), program basic chipset registers C 1h Detect me ...
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Epson ETX-945 - page 36
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 36 14h Program chipset default values into chipset. Chipset default values are M ODBINable by OEM customers 15h Reserved 16h Initial Early_Init_Onboard_Generator switch 17h Reserved 18h Detect CPU information including brand, SMI type (Cyrix or I ntel) and CPU level ( 86 or 686) 19 - 1Ah Rese ...
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Epson ETX-945 - page 37
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 37 34 - 3Bh Reserved 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 - 42h Reserved 43h Test 82 9 functionality 44 - 46h Reserved 47h Initialize EISA slot 48h Reserved 49h Calculate total memory by testin ...
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Epson ETX-945 - page 38
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 38 5Dh Initialize Init_Onboard_Super_IO switch; Initialize Init_Onboard_AUDIO switch 5E - 5Fh Reserved 60h Okay to enter Setup utility 61 - 64h Reserved 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 c ...
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Epson ETX-945 - page 39
ETX- 945 Us er Manual 1.00 w ww .diamondsystems.com Page 39 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 all data in stack back to CMO S 84h Initialize ISA PnP boot devices 85h Final USB initialization; NET PC: Build SYSID structure; Switch s ...
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