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CoreModule 740

Reference Manual

35

Appendix B

I/O Interface Board Description

Overview

The I/O Interface Board provides the connections for the keyboard, mouse, two USB ports, and all the

standard input/output connections for the floppy/parallel port and serial ports. The I/O Interface Board also
provides an auxiliary battery connection, an auxiliary voltage connector, PC speaker, and a reset switch.

I/O Interface Board Layout

Figure B-1. I/O Interface Board Connectors (Top view)

NOTE

If you need more information concerning the I/O Interface Board than is
provided in this Appendix, refer to the CoreModule 740 QuickDrive for a
schematic, BOM, and AVL.

Infrared

Header (J12)

Parallel Port (J5)

Aux Battery

Power (J10)

(J11 - Not connected

at the CoreModule 740)

AT

Keyboard

(J6)

USB

Port 2 (J9)

USB

Port 1 (J8)

TX/TTL Jumper (W1)

(Default = Pins 1-2, TX)

[Do not change

this jumper setting -

TTL not a function on

the CoreModule 740]

HDD

Activity

LED

Serial

Port 2 (J4)

Serial

Port 1 (J3)

PS/2

Mouse (J7)

Utility 1 (J1)

Utility 2 (J2)

1
2
3

Reset

Switch

(S1)

PC

Speaker

(SP1)

IO_Board_a

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Summary of Contents for CoreModule 740

Page 1: ...CoreModule 740 Single Board Computer Reference Manual P N 50 1Z046 1000 ...

Page 2: ...t the bottom of this page Audience This manual provides reference only for computer design engineers including but not limited to hardware and software designers and applications engineers ADLINK Technology Inc assumes you are qualified to design and implement prototype computer equipment ii Reference Manual CoreModule 740 TRADEMARKS CoreModule and the Ampro logo are registered trademarks and ADLI...

Page 3: ...hermal Cooling Requirements 13 Chapter 3 Hardware 15 Overview 15 Interrupt Channel Assignments 16 Memory Map 17 I O Address Map 17 Utility 1 Interface 19 Serial Interface 19 Parallel Interface 19 USB Interface 19 Keyboard and Mouse Interfaces 19 Speaker 20 Reset Switch 20 HDD Activity LED 20 Battery Interface 20 Utility 1 Pin Signals 20 Utility 2 Interface 23 Floppy Drive Interface 23 IDE Interfac...

Page 4: ...11 Figure 2 9 Mechanical Overview Top Side View 12 Figure 3 1 Oops Jumper Serial Port DB9 28 Figure 3 2 Serial Console Jumper 28 Figure B 1 I O Interface Board Connectors Top view 35 List of Tables Table 2 1 Major Component Descriptions and Functions 7 Table 2 2 Module Header and Connector Descriptions 9 Table 2 3 Jumper Settings 11 Table 2 4 Weight and Footprint Dimensions 11 Table 2 5 Power Supp...

Page 5: ... of references may help you successfully complete your custom design Specifications PC 104 Specification Revision 2 5 November 2003 PC 104 Plus Specification Revision 2 0 November 2003 For latest revision of the PC 104 specifications contact the PC 104 Consortium at Web site http www pc104 org PCI 2 2 Compliant Specifications Revision 2 2 December 18 1998 For latest revision of the PCI specificati...

Page 6: ...fm qv_pk 1047 Integrated Technology Express Inc and the PCI to ISA bridge IT8888G L Web site http www iteusa com or http www ite com tw NOTE If you are unable to locate the datasheets using the links provided go to the manufacturer s web site where you can perform a search using the chip datasheet number or name listed including the extension htm for web page pdf for files name etc ...

Page 7: ...alog or high speed digital I O Data Acquisition Analog In Out USB 2 0 expansion modules IEEE 1394 FireWire expansion modules Standard VGA video output PC 104 or PC 104 Plus expansion modules can be stacked with the CoreModule 740 avoiding the need for large expensive card cages and backplanes The PC 104 Plus expansion modules can be mounted directly to the PC 104 and PC 104 Plus connectors of the ...

Page 8: ...one parallel port PS 2 keyboard and mouse ports and one floppy port The CoreModule 740 can be expanded through the PCI expansion bus using the PC 104 and PC 104 Plus connectors for additional system functions This bus offers compact self stacking modular expandability The PC 104 bus is an embedded system version of the signal set provided on a desktop PC s ISA bus The PC 104 Plus bus includes this...

Page 9: ... two enhanced IDE devices Supports single master mode Supports Ultra DMA 100 66 33 in master mode Supports ATAPI and DVD peripherals Supports IDE native and ATA compatibility modes Provide floppy drive port Supports one floppy drive Supports all standard PC AT formats 360kB 1 2MB 720kB 1 44MB 2 88MB Provide PS 2 Keyboard and PS 2 Mouse ports Provide parallel printer port with IEEE standard 1284 pr...

Page 10: ...al components of the module Figure 2 2 Functional Block Diagram CM740BlkDiag_a PC 104 PCI to ISA Connector Bridge IT8888G L CPU Intel Atom 1 6GHz N450 with integrated Northbridge PC 104 Plus Connector I O Hub Intel ICH8 M Southbridge 80 pin Utility Connector 2 Floppy IDE Keyboard Mouse 80 pin Utility Connector 1 Super I O SCH3112I NU DDR2 SDRAM Soldered 4 Video Header VGA LVDS Memory Bus ISA Bus L...

Page 11: ... Super I O Hub U9 on bottom side see Figure 2 4 SMSC SCH3112I NU Super I O controller provides remaining standard I O functions I O functions RS 232 Transceiver U11 on bottom side see Figure 2 4 Maxim MAX213ECAI RS232 Transceiver for COM1 Serial Port Transceiver RS 232 Transceiver U12 on bottom side see Figure 2 4 Maxim MAX213ECAI RS232 Transceiver for COM2 Serial Port Transceiver CPU Temperature ...

Page 12: ...de View Figure 2 4 Component Locations Bottom Side View U1 U27 U2 U29 CM740_Top_Comp_a Key U1 CPU U2 Southbridge U27 SDRAM 1 U29 SDRAM 3 U28 U11 U12 U30 U8 U9 U13 CM740_Bottom_Comp_a Key U8 ISA Bridge U9 SIO U11 RS 232 Transceiver1 U12 RS 232 Transceiver2 U13 CPU Thermometer U28 SDRAM 2 U30 SDRAM 4 ...

Page 13: ...ed for System Fan signals J7 Power Top 10 pin 0 100 2 54mm right angle shrouded header used for external power connection J8 N P Bottom Not Populated J9 N P Bottom Not Populated J10 Video Bottom see Figure 2 7 30 pin 0 079 2mm header used for LVDS and VGA video signals J11 N P Bottom Not Populated J12 N S Bottom see Figure 2 7 Not Supported NOTE The pinout tables in Chapter 3 of this manual identi...

Page 14: ...der and Connector Locations Bottom Side View J5 J6 JP2 JP2 J4 J7 J1 J2 CM740_Top_Conn_a Key J1 PC 104 Plus J2 PC 104 J4 Utility 2 J5 Utility 1 J6 Fan J7 Power JP1 See jumper table JP2 See jumper table DCBA CD BA J11 J9 J8 J10 J12 CM740_Bottom_Conn_a Key J8 Not Populated J9 Not Populated J10 Video J11 Not Populated J12 Not Supported ...

Page 15: ...nable Disable Default JP2 LVDS Voltage Selection Enable 3 3V 1 2 Default Enable 5V 2 3 Table 2 4 Weight and Footprint Dimensions Item Dimension NOTE Overall height is measured from the upper board surface to the highest permanent component PC 104 bus connector on the upper board surface This measurement does not include the heatsink which can vary The heatsink could increase this dimension Weight ...

Page 16: ...nical Overview Top Side View NOTE All dimensions are given in inches Pin 1 is shown as a black square on headers and connectors Black squares on right angle headers indicate pin 2 in top side views and pin 1 in bottom side views CM740_Dmn_a 0 000 0 000 0 200 0 350 3 250 3 350 3 550 0 000 0 200 3 575 3 775 ...

Page 17: ...ve one LPT loop back and two serial loop backs Environmental Specifications Table 2 6 provides the most efficient operating and storage condition ranges required for this module Thermal Cooling Requirements The CPU is the primary source of heat on the board The CoreModule 740 is designed to operate at the maximum speed of the CPU and requires a heatsink provided Table 2 5 Power Supply Requirements...

Page 18: ...Chapter 2 Product Overview 14 Reference Manual CoreModule 740 ...

Page 19: ...Power Interface Miscellaneous Time of Day RTC Oops Jumper Serial Console Watchdog Timer NOTE ADLINK Technology Inc only supports the features options tested and listed in this manual The main chips used in the CoreModule 740 may provide more features or options than are listed for the CoreModule 740 but some of these features options are not supported on the module and will not function as specifi...

Page 20: ...imer X Keyboard X Secondary Cascade X COM1 O D COM2 D O Floppy D Parallel O D RTC X IDE D Math Coprocessor X PS 2 Mouse X PCI INTA Automatically Assigned PCI INTB Automatically Assigned PCI INTC Automatically Assigned PCI INTD Automatically Assigned USB Automatically Assigned Video Automatically Assigned NOTE The IRQs for USB and Video are automatically assigned by the BIOS Plug and Play logic Loc...

Page 21: ...OS 000D0000h 000DFFFFh Reserved for Extended BIOS 000E0000h 000EFFFFh Extended System BIOS Area 000F0000h 000FFFFFh System BIOS Area Storage and RAM Shadowing 00100000h 04000000h Extended Memory If onboard VGA is enabled then the amount of memory assigned is subtracted from extended memory FFF80000h FFFFFFFFh System Flash Table 3 3 I O Address Map Address hex Subsystem 0000 000F Primary DMA Contro...

Page 22: ...ISA 0340 0360h Mapped to ISA 0378 037F Parallel Port Standard and EPP 03B0 03BB Video monochrome 03C0 03DF Video VGA 03F0 03F5 Floppy Disk Controller 03F6 IDE Hard Disk Controller 03F7 Floppy Disk Controller 03F8 03FF Serial Port 1 COM1 04D0 04D1 Edge Level Trigger PIC 0778 077F Parallel Port ECP Extensions Port 378 400 0A79h Mapped to ISA 0CF8 0CFF PCI Configuration Registers 0CF9 Reset Control R...

Page 23: ... and parity 16 bit programmable baud rate and Interrupt generator Loop back mode Two 16 bit FIFOs and two DMA handshake lines Serial 1 and 2 COM 1 and COM 2 support RS 232 Parallel Interface The parallel port interface supports standard parallel Bi directional ECP and EPP protocols The Super I O chip SCH3112I NU provides the parallel port interface signals to support Standard Printer Port SPP Enha...

Page 24: ...robe This is an output signal used to strobe data into the printer I O pin in ECP EPP mode 3 DSR1 Serial Data Set Ready 1 Indicates external serial device is powered initialized and ready Used as hardware handshake with DTR1 for overall readiness 4 PP_AFD Parallel Auto Feed This is a request signal into the printer to automatically feed one line after each line is printed 5 RXD1 Serial Receive Dat...

Page 25: ...Transmit Data 2 Serial port 2 transmit data out 30 PD6 Parallel Port Data 6 This signal provides parallel data to the printer 31 CTS2 Serial Clear To Send 2 Indicates external serial device is ready to receive data Used as hardware handshake with RTS2 for low level flow control 32 GND5 Ground 5 Serial 33 DTR2 Serial Data Terminal Ready 2 Indicates port is powered initialized and ready Used as hard...

Page 26: ... Power 54 NC Not Connected 55 USBN2 USB Port 2 Negative Polarity 56 GND12 Ground 12 USB 57 USBP2 USB Port 2 Positive Polarity 58 IRTX Not Connected 59 GND 13 Ground 13 USB 60 IRRX Not Connected 61 MDATA Mouse Data 62 SPKR Speaker Signal for external PC Beep speaker 63 MSCK Mouse Clock 64 GND14 Ground 14 Mouse 65 GND15 Ground 15 Mouse 66 ResetSW Reset Switch Accepts external reset signal momentaril...

Page 27: ...5 0 635mm pin pitch Table 3 5 Utility 2 Interface Pin Signals J4 Pin Signal Description 1 GND8 Floppy Ground 2 HD_RST Reset Low active hardware reset 3 FDD_DEN Floppy Density Select 4 GND3 IDE Ground 5 GND9 Floppy Ground 6 IDE_PDD7 Primary Disk Data 7 7 NC Not Connected 8 IDE_PDD8 Primary Disk Data 8 9 GND10 Floppy Ground 10 IDE_PDD6 Primary Disk Data 6 11 FPY_KEY Not Connected 12 IDE_PDD9 Primary...

Page 28: ...e Data Encoded data to the drive for write operations 44 GND2 IDE Ground 45 GND19 Floppy Ground 46 IDE_PDIOW Primary I O Write Strobe Strobe signal for write functions Negative edge enables data from a register or data port of the drive onto the host data bus Positive edge latches data at the host 47 FDD_WGATE Floppy Write Gate Signal to the drive to enable current flow in the write head 48 GND7 I...

Page 29: ...f performing a 16 bit I O data transfer This signal is driven from a decode of the SA15 to SA0 address lines 65 GND24 Floppy Ground 66 IDE_PDA1 Primary Disk Address 1 Used to indicate which byte in the ATA command block or control block is being accessed 67 FDD_DSKCHG Floppy Disk Change Senses the drive door is open or the diskette has been changed since the last drive selection 68 IDE_CABLID Cabl...

Page 30: ...LVDS_CONN JP2 determines LVDS voltage on pin 3 3V or 5V 5 LA_CLK_P LVDS Clock Positive 6 LA_CLK_N LVDS Clock Negative 7 LA_DAT2_P LVDS DATA Positive Line 2 8 LA_DAT2_N LVDS DATA Negative Line 2 9 LA_DAT1_P LVDS DATA Positive Line 1 10 LA_DAT1_N LVDS DATA Negative Line 1 11 LA_DAT0_P LVDS DATA Positive Line 0 12 LA_DAT0_N LVDS DATA Negative Line 0 13 LBKLT_CTL Panel Backlight Control 14 LVDD_EN Ena...

Page 31: ...ng the system The power input header J7 supplies the following voltage and ground directly to the module 5 0VDC 5 Note The shaded areas denote power or ground 28 GND VGA VGA Ground 29 CRT_VSYNC Vertical Sync Digital Vertical Sync Output to the CRT 30 VCC_CON_DAC 5V Power and Ground for Digital to Analog Converter Table 3 7 Optional System Fan Pin Signals J6 Pin Signal Description 1 VCC 5 0 volts D...

Page 32: ...r short together the DTR 4 and RI 9 pins on the front of the connector as shown in Figure 3 1 on the Serial Port 1 DB9 connector Figure 3 1 Oops Jumper Serial Port DB9 Serial Console The CoreModule 740 BIOS supports the serial console or console redirection feature This I O function is provided by an ANSI compatible serial terminal or the equivalent terminal emulation software running on another s...

Page 33: ...nough time for the boot process to complete and for the OS to boot The OS or application must tickle the WDT as soon as it comes up This can be done by accessing the hardware directly or through a BIOS call During System Operation An application can set up the WDT hardware through a BIOS call or by accessing the hardware directly Some ADLINK Board Support Packages provide an API interface to the W...

Page 34: ...Chapter 3 Hardware 30 Reference Manual CoreModule 740 ...

Page 35: ...CoreModule 740 and enter the BIOS Setup Utility in VGA mode 2 Set the BIOS feature Remote Access Configuration to Enable under the Advanced menu 3 Accept the default options or make your own selections for the balance of the Remote Access fields and record your settings 4 Ensure you select the type of remote serial terminal you will be using and record your selection 5 Select Save Changes and Exit...

Page 36: ...The CoreModule 740 BIOS supports a graphical logo utility which can be customized by the user and displayed when enabled through the BIOS Setup Utility The graphical image can be a company logo or any custom image the user wants to display during the boot process The custom image can be displayed as the first image on screen and remain there while the OS boots depending on the options selected in ...

Page 37: ...ance by creating an Ask an Expert account and then going to the Ask a Question feature Requests can be submitted 24 hours a day 7 days a week You will receive immediate confirmation that your request has been entered Once you have submitted your request you must log in to go to My Stuff area where you can check status update your request and access other features Download Service This service is a...

Page 38: ...Address Ϟ Ꮦ ϰᮄऎ㢇䏃 ো 201203 300 Fang Chun Rd Pudong New Area Shanghai 201203 China Tel 86 21 5132 8988 Fax 86 21 5132 3588 Email market adlinktech com ADLINK Technology Shenzhen Address 䂀ゑ䱠㔏浧㠿 ₒ拢㟿ⷦ㔏㦾 A1 㪚 2 㰋 C 518057 2F C Block Bldg A1 Cyber Tech Zone Gao Xin Ave Sec 7 High Tech Industrial Park S Shenzhen 518054 China Tel 86 755 2643 4858 Fax 86 755 2664 6353 Email market adlinktech com ADLIN...

Page 39: ...ayout Figure B 1 I O Interface Board Connectors Top view NOTE If you need more information concerning the I O Interface Board than is provided in this Appendix refer to the CoreModule 740 QuickDrive for a schematic BOM and AVL Infrared Header J12 Parallel Port J5 Aux Battery Power J10 J11 Not connected at the CoreModule 740 AT Keyboard J6 USB Port 2 J9 USB Port 1 J8 TX TTL Jumper W1 Default Pins 1...

Page 40: ... 3 RXD1 J5 5 Serial Receive Data 1 Input This line is typically held at a logic 1 mark when no data is being transmitted and is held Off for a brief interval after an On to Off transition on the RTS1 line to allow the transmission to complete 4 RTS1 J5 7 Serial Request To Send 1 Indicates serial port is ready to transmit data Used as hardware handshake with CTS1 for low level flow control 5 TXD1 J...

Page 41: ...y Used as hardware handshake with DSR2 for overall readiness to communicate 18 RI2 J5 35 Serial Ring Indicator 2 Indicates external modem is detecting a ring condition Used by software to initiate operations to answer and open the communications channel 19 GND J5 37 Digital Ground 20 TXD2_ TTL NF J5 39 Serial Port 2 Transmit TTL Places TTL TX signals on pin 3 of the Serial Port 2 J4 when jumper W1...

Page 42: ...allel Data 0 These signals 0 to 7 provide the parallel port data to the printer 4 ERR J5 8 Parallel Error This is a Status output signal from the printer A Low State indicates an error condition on the printer 5 PD1 J5 10 Parallel Data 1 Refer to PD0 pin 3 for more information 6 Init J5 12 Parallel Initialize This signal used to Initialize printer Output in standard mode I O in ECP EPP mode 7 PD2 ...

Page 43: ...om the printer A High State indicates it is powered on 26 IR FIRM J5 52 IR Function Mode Select Disabled Terminated with 10k ohm resistor to ground on CoreModule 740 27 NC J5 54 Not connected 28 GND J5 56 Signal Ground 29 IR TXD J5 58 IR Transmit Data HPSIR or ASKIR 30 IR RXD J5 60 IR Receive Data HPSIR or ASKIR 31 SPKR J5 62 Speaker drive signal 32 GND J5 64 Speaker return 33 RST SW J5 66 Reset S...

Page 44: ...responding pins from the on board J1 header Note The shaded areas denote power or ground NC Not Connected at the CoreModule 740 This table is only for reference The CoreModule 740 has no function for this header Table B 4 Auxiliary Power Pin Signals J11 Pin Signal From On Board Connector Pin Description 1 12V NC J1 39 External 12 volt input Not Connected 2 GND NC NA Ground Not Connected 3 5V NC J1...

Page 45: ...irements 27 Watchdog Timer WDT 29 weight 11 CPU fan optional pin out list 27 CPU heatsink requirements 13 D dimensions 11 E Environmental specifications 13 H Hot cable console redirection 28 modified serial cable 28 serial console 28 I Interrupt IRQs list 16 J jumper locations 11 L logo screen splash requirements 32 low voltage limit 27 O Oops jumper DB9 connector 28 Serial port 1 28 P power inter...

Page 46: ... 5 PS 2 Mouse 19 Real Time Clock 5 serial console 6 28 serial interface 19 serial ports 5 soldered SDRAM 5 splash screen OEM Logo 32 USB interface 19 Utility 1 interface 19 Watchdog Timer 6 T Technical Support Ask an Expert 33 contact information 33 thermal cooling processor requirements 13 U Utility 1 interface 80 pin connector 19 Mouse and Keyboard interface 19 parallel interface 19 serial inter...

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