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Intel AR-B1760 manual

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Table of contents for the manual

  • Page 1

    AR-B1760 Socket 479 Pentium ® M Intel ® 855GME 5.25” SBC USER’S MANUAL Version 1.0[...]

  • Page 2

    ii AR-B1760 User’s Manual Acknowledgments Award is a registered trademark of Award Software International, Inc. PS/2 is a trademark of International Business Machines Corporation. Intel and Pentium are registered trademarks of Intel Corporation. Microsoft Windows is a regist ered trademark of Microsoft Corporation. Winbond is a registered tradema[...]

  • Page 3

    AR-B1760 User’s Manual iii Table of Contents Introduction ....................................................... 1 Product Description ............................................................. 1 Checklist .............................................................................. 2 AR-B1760 Specifications .................................[...]

  • Page 4

    iv AR-B1760 User’s Manual This page is intention ally left blank.[...]

  • Page 5

    INSTALLATIONS AR-B1760 User’s Manual 1 Introduction Product Description The AR-B1760 Pentium ® M 5.25” embedded board incorporates t he Intel ® advanced 855GME Chipset that supports processors from 600MHz to 2.0MHz in both 478 or 479-bal l Micro-FCBGA package with a front size bus of 400MHz. Graphics display function ality is provided b y th [...]

  • Page 6

    INSTALLATIONS 2 AR-B1760 User’s Manual Checklist Your AR-B1760 package should include the i tems li sted below. • The AR-B1760 Pentium M embedded board • This User’s Manual • 1 CD containing ch ip set drivers and flash memory utility • Optional cables such as: • 1 Slim FDD R ibbon Cable • 1 Audio Cable • 2 IDE Ribbon Cables (40-pi[...]

  • Page 7

    INSTALLATIONS AR-B1760 User’s Manual 3 AR-B1760 Specifications Form Factor 5.25-inch Disk-Size CPU Type Intel Pentium ® M Processor, Ultra Low V oltage, at HFM core frequency of 600 MHz ~ 2.0GHz, 478 or 479-ball Micro-FCBGA P ackage CPU Voltage 0.700V~1.708V System Speed 600MHz~2.0GHz CPU Frequency 400MHz Green /APM APM1.2 Chipset Intel ® 82855[...]

  • Page 8

    INSTALLATIONS 4 AR-B1760 User’s Manual Board Dimensions[...]

  • Page 9

    INSTALLATIONS AR-B1760 User’s Manual 5 Installations This section provides inform ation on how to use the jum pers and connectors on the AR-B1760 in order to set up a workabl e system. The topics covered are: Installing the CPU ............................................................... 6 Installing the Memory ................................[...]

  • Page 10

    INSTALLATIONS 6 AR-B1760 User’s Manual Installing the CPU The AR-B1760 embedded board supports a Socket 479 processor socket for Intel ® Pentium ® M or Celeron ® M processors. The processor socket come s with a screw to secure the processor. As shown in the l eft picture bel ow, loosen the screw first before inserting the processor. Place the [...]

  • Page 11

    INSTALLATIONS AR-B1760 User’s Manual 7 Installing the Memory The AR-B1760 embedded board support s two DDR mem ory sockets for a max imu m tot al me mor y o f 2 GB i n D DR memo ry t ype . T he memo ry module capacities supported are 64MB, 128MB, 256MB, 512MB and 1GB. The following tabl e lists the supporte d DDR DIMM configurations. Intel 855GM [...]

  • Page 12

    INSTALLATIONS 8 AR-B1760 User’s Manual Setting the Jumpers Jumpers are used on AR-B1760 to sel ect various settings and features according to your needs and applica tions. Contact your supplier if you have doubts about the best configurati on for your needs. The following lists the connectors on AR-B 1760 and their respective functions. Jumper Lo[...]

  • Page 13

    INSTALLATIONS AR-B1760 User’s Manual 9 Jumper Locations on AR-B1760 Jumpers on AR-B1760 .............................................................. Page Configuring the CPU Frequency .................................................. 10 JP1: LVDS Panel Power Select .................................................... 10 JP2: Gigabit LAN Enable[...]

  • Page 14

    INSTALLATIONS 10 AR-B1760 User’s Manual Configuring the CPU Frequency The AR-B1760 embedded board does not provide DIP switches to configure the processor speed (CPU frequency). JP1: LVDS Panel Pow er Select JP1 LVDS Panel Power 3.3V (default) 5V Note: The LVDS panel resolution can be co nfig ured in the BIOS Setup. JP2: Gigabit LAN Enable/Disabl[...]

  • Page 15

    INSTALLATIONS AR-B1760 User’s Manual 11 JP4: Clear CMOS Contents Use JP4 to clear the CMOS contents. Note that the ATX-power connector should be disconnected from the board before cleari ng CMOS. JP4 Setting Function Pin 1-2 Short/Closed Normal Pin 2-3 Short/Closed Clear CMOS JP5, JP6, JP7: RS232/ 422/485 (COM2) Selection COM1, COM3, and COM4 are[...]

  • Page 16

    INSTALLATIONS 12 AR-B1760 User’s Manual JP9: COM2 RS232 +5V / +12V Pow er Setting Pin # Signal Name JP9 Signal Name Pin # 1 RI +12V 2 3 RI (default) RI (default) 4 5 RI +5V 6 COM2 Settings: Pi n 1-2 short = +12V, Pin 5-6 short = +5V, Pin 3-4 short = standard COM port JP10: COM3 RS232 +5V / +12V Pow er Setting Pin # Signal Name JP10 Signal Name Pi[...]

  • Page 17

    INSTALLATIONS AR-B1760 User’s Manual 13 JP16: Processor Operating Frequency JP16 CPU FSB Open 133MHz Close 100MHz[...]

  • Page 18

    INSTALLATIONS 14 AR-B1760 User’s Manual Connectors on AR-B1760 The connectors on AR -B1760 allows you to connect ext ernal devices such as keyboard, floppy disk drives, hard disk drives, printers, etc. The following tabl e lists the connectors on AR-B1760 and their respect ive functions. Connector Locati ons on AR-B1760 ..........................[...]

  • Page 19

    INSTALLATIONS AR-B1760 User’s Manual 15 Connector Locations on AR-B1760 Connectors on AR-B1760 ..................................................................... Page Connector Locati ons on AR -B1760 .......................................................................... 15 FAN1, FAN2: System Fa n Power Connector ..........................[...]

  • Page 20

    INSTALLATIONS 16 AR-B1760 User’s Manual FAN1, FAN2: System Fan Power Connector FAN1, FAN2 is a 3-pin header for system fans. The fan must be a 12V (500mA) fan. Pin # Signal Name 1 Ground 2 +12V 3 Rotation detection FAN3: CPU Fan Pow er Connector FAN3 is a 3-pin header for the CPU fan. The fan m ust be a 12V fan. Pin # Signal Name 1 Ground 2 +12V [...]

  • Page 21

    INSTALLATIONS AR-B1760 User’s Manual 17 IDE2: Secondary IDE Connector Signal Name Pin # Pin # Signal Name Reset IDE 1 2 Ground Host data 7 3 4 Host data 8 Host data 6 5 6 Host data 9 Host data 5 7 8 Host data 10 Host data 4 9 10 Host data 11 Host data 3 11 12 Host data 12 Host data 2 13 14 Host data 13 Host data 1 15 16 Host data 14 Host data 0 1[...]

  • Page 22

    INSTALLATIONS 18 AR-B1760 User’s Manual J2: External Audio Connector Signal Name Pin # Pin # Signal Name LINEOUT_R 1 2 LINEOUT_L Ground 3 4 Ground LINEIN_R 5 6 LINEIN L Ground 7 8 Ground Mic-In 9 10 VREFOUT Ground 11 12 Protect pin CN3: Digital 4-in 4-out I/O Connector Signal Name Pin Pin Signal Name Ground 1 2 Vcc Out3 3 4 Out1 Out2 5 6 Out0 Int[...]

  • Page 23

    INSTALLATIONS AR-B1760 User’s Manual 19 J4: Gigabit LAN Connector (used w ith ID240/option) Signal Name Pin Pin Signal Name MDI0+ 1 9 MDI0- 2.5V 2 10 GND MDI1+ 3 11 M DI1- MDI2+ 4 12 M DI2- 2.5V 5 13 2.5V MDI3+ 6 14 M DI3- ACT_LED 7 15 LINK_UP Link1000_LED 8 16 Link100_LED J5: System Function Connector J5 provides connectors for system indicators[...]

  • Page 24

    INSTALLATIONS 20 AR-B1760 User’s Manual ATX Power ON Switch: Pins 5 and 13 This 2-pin connector is an “ATX Power Supply On/Off Switch” on the system that connects to the power swit ch on the case. When pressed , the power switch will force th e system to power on. When pressed again, it will force th e system to power off. Pin # Signal Name 5[...]

  • Page 25

    INSTALLATIONS AR-B1760 User’s Manual 21 J6: TMDS Connector (option) Signal Name Pin # Pin # Signal Name TX1P 1 11 TX2P TX1N 2 12 TX2N GND 3 13 GND GND 4 14 GND TXCP 5 15 TXOP TXCN 6 16 TXON GND 7 17 NC VCC+5V 8 18 NC HPDET 9 19 DDCDATA NC 10 20 DDCCLK J7: 10/100Mbit Ethernet Connector Signal Name Pin Pin Signal Name 5VSB 1 6 SPEED LED RX+ 2 7 RX-[...]

  • Page 26

    INSTALLATIONS 22 AR-B1760 User’s Manual J10: Floppy Driv e Connector J10 is a slim 26-pin connector and will support up to 2.88MB FDD. Signal Name Pin # Pin # Signal Name VCC 1 2 INDEX VCC 3 4 DRV_SEL VCC 5 6 DSK_CH NC 7 8 NC NC 9 10 MOTOR DINST 11 12 DIR NC 13 14 STEP GND 15 16 W DATA GND 17 18 WGATE GND 19 20 TRACK NC 21 22 WPROT GND 23 24 RDAT[...]

  • Page 27

    INSTALLATIONS AR-B1760 User’s Manual 23 J14: Panel Inverter Power Connector Pin # Signal Name 1 +12V 2 ENABKL 3 Ground J15, J16: USB Connectors The following table shows the pi n outs of the USB pin headers connectors. Overall, t he two pin headers support four USB ports (USB 2.0 complia nt). Signal Name Pin Pin Signal Name Vcc 1 5 Ground USB0- 2[...]

  • Page 28

    INSTALLATIONS 24 AR-B1760 User’s Manual J18: Serial Ports Pin # Signal Name (RS-232) 1 DCD, Data carrier detect 2 RXD, Receive data 3 TXD, Transmit data 4 DTR, Data terminal ready 5 Ground 6 DSR, Data set ready 7 RTS, Request to send 8 CTS, Clear to send 9 RI, Ring indicator 10 No Connect. COM2 is jum per selectable for RS-232, RS-422 and R S-485[...]

  • Page 29

    INSTALLATIONS AR-B1760 User’s Manual 25 J21: ATX Pow er Supply Connector Signal Name Pin # Pin # Signal Name 3.3V 11 1 3.3V -12V 12 2 3.3V Ground 13 3 Ground PS-ON 14 4 +5V Ground 15 5 Ground Ground 16 6 +5V Ground 17 7 Ground -5V 18 8 Power good +5V 19 9 5VSB +5V 20 10 +12V 11 1 20 10 J23: PS/2 Keyboard/Mouse Connector J23, a 10-pin header conne[...]

  • Page 30

    INSTALLATIONS 26 AR-B1760 User’s Manual Watchdog Timer Configuration The WDT is used to generate a variety of output si gnals after a user programm able count. The WDT is suitable for use in t he prevention of system lock-up, such as when soft ware becom es trapped in a deadlock. Under these sort of circumstances, the tim er will count to zero an[...]

  • Page 31

    INSTALLATIONS AR-B1760 User’s Manual 27 Enable_And_Set_Watchdog Endp ;[]=============================================== ; Name : Disable_Watchdog ; IN : None ; OUT : None ;[]=============================================== Disable_Watchdog Proc Near call Unlock_Chip mov cl, 07h mov al, 08h call Write_Reg ;switch to LD8 xor al, al mov cl, 0F6h call[...]

  • Page 32

    INSTALLATIONS 28 AR-B1760 User’s Manual ; OUT : None ;[]================================================ Write_Reg Proc Near push ax mov dx, 4E h mov al,cl out dx,al pop ax inc dx out dx,al r e t Write_Reg Endp ;[]================================================ ; Name : Read_Reg ; IN : CL - register index ; OUT : AL - Value to read ;[]==========[...]

  • Page 33

    INSTALLATIONS AR-B1760 User’s Manual 29 Digital I/O Sample Code Filename: W 627hf. h //===================================================================== // // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY // KIND, EITHER EXPRESSED OR IMPLIED, IN CLUDING BUT NOT LIMITED TO THE // IMPLIED WARRANTIES OF MERCHANT[...]

  • Page 34

    INSTALLATIONS 30 AR-B1760 User’s Manual Filename: W 627hf.cpp //===================================================================== // // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY // KIND, EITHER EXPRESSED OR IMPLIED, IN CLUDING BUT NOT LIMITED TO THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND/ OR FITNESS[...]

  • Page 35

    INSTALLATIONS AR-B1760 User’s Manual 31 File of the Main.cpp //===================================================================== // // THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY // KIND, EITHER EXPRESSED OR IMPLIED, IN CLUDING BUT NOT LIMITED TO THE // IMPLIED WARRANTIES OF MERCHANTABILITY AND/ OR FITNESS [...]

  • Page 36

    INSTALLATIONS 32 AR-B1760 User’s Manual This page is intention ally left blank.[...]

  • Page 37

    BIOS SETUP AR-B1760 User’s Manual 33 BIOS Setup This chapter describes the differen t settings available in the Award BIOS that comes with the board. The topics covered in this chapter are as follows: BIOS Introduction ........................................................................ 34 BIOS Setup ..........................................[...]

  • Page 38

    BIOS SETUP 34 AR-B1760 User’s Manual BIOS Introduction The Award BIOS (Basic Input/Output Sy stem) instal led in your computer sy stem’s ROM supports Intel Penti um 4 processors. The BIOS provides critical l ow-level support for a standard device such as disk drives, serial port s and parallel ports . It also adds virus and password protection [...]

  • Page 39

    BIOS SETUP AR-B1760 User’s Manual 35 Phoenix - AwardBIOS CMOS Setup Utility Standard CMOS Features Frequency/Voltage Control Advanced BIOS Features Load Fail-Safe Defaults Advanced Chipset Features Load Optimized Defaults Integrated Peripherals Set Supervisor Password Power Management Setup Set User Password PnP/PCI Configurations Save & Exit[...]

  • Page 40

    BIOS SETUP 36 AR-B1760 User’s Manual Standard CMOS Setup “Standard CMOS Setup” choice all ows you to record some basic hardware configurations in your com puter system and set the system clock and error handling. If the m otherboard is already install ed in a working system, you will not need to select this option. You will need to run the St[...]

  • Page 41

    BIOS SETUP AR-B1760 User’s Manual 37 Time The time format is: Hour : 00 to 23 Minute : 00 to 59 Second : 00 to 59 To set the time, hi ghlight the “Time” field and use the <PgUp>/ <PgDn> or +/- keys to set the current time. IDE Primary HDDs / IDE Secondary HDDs The onboard PCI IDE connectors provide Primary and Secondary channels f[...]

  • Page 42

    BIOS SETUP 38 AR-B1760 User’s Manual Video This field sel ects the t ype of video displ ay card i nstall ed in your sy stem . You can choose the following video displ ay cards: EGA/VGA For EGA, VGA, SEGA, SVGA or PGA monitor adapters. (default) CGA 40 Power up i n 40 column m ode. CGA 80 Power up i n 80 column m ode. MONO For Hercules or M DA ada[...]

  • Page 43

    BIOS SETUP AR-B1760 User’s Manual 39 Advanced BIOS Features This section allows you to configure and im prove your system and allows you to set up some system f eatures according to your preference. Phoenix - AwardBIOS CMOS Setup Utility Advanced BIOS Features CPU Feature Press Enter ITEM HELP Hard Disk Boot Priority Virus W arning Press Enter Di[...]

  • Page 44

    BIOS SETUP 40 AR-B1760 User’s Manual Quick Pow er On Self Test When enabled, this field speeds up the Power On Self Test (POST) after the system is turned on. If it is set to Enabled , BIOS will skip so me items. First/Second/Third Boot Device These fields determine the drive that the system searches first for an operating system . The options av[...]

  • Page 45

    BIOS SETUP AR-B1760 User’s Manual 41 Typematic Delay (Msec) When the typematic rate is enabled, this item allows you to set the time interval for di splaying the first and second charact ers. By default, this item is set to 250msec. Security Option This field allows you to limit access to the System and Setup. The default value is Setup . When yo[...]

  • Page 46

    BIOS SETUP 42 AR-B1760 User’s Manual Advanced Chipset Features This Setup me nu controls the configuration of t he chipset. Phoenix - AwardBIOS CMOS Setup Utility Advanced Chipset Features DRAM Timing Selectabl e By SPD ITEM HELP CAS Latency Time 2 Active to Precharge Delay 6 DRAM RAS# to CAS# Dela y 3 DRAM RAS# Precharg e 3 DRAM Data Integri ty [...]

  • Page 47

    BIOS SETUP AR-B1760 User’s Manual 43 DRAM RAS# Precharge This option sets the num ber of cycles required for the RAS t o accumulate its charge before the SDRAM refreshes. The default setting for the Active to Precharge Delay is 3 . DRAM Data Integrity Mode Select ECC if your m emory m odule support s it . The me m ory controll er will detect and [...]

  • Page 48

    BIOS SETUP 44 AR-B1760 User’s Manual AGP Aperture Size The field sets aperture size of the gr aphics. The aperture is a portion of the PCI mem ory address range dedicated for graphics m emory address space. Host cycles that hit the aperture range ar e forwarded to the AGP without any translation. The default setting is 64M . On-Chip VGA The defau[...]

  • Page 49

    BIOS SETUP AR-B1760 User’s Manual 45 Integrated Peripherals This section sets configurations for your hard disk and other i ntegrated peripherals. The first screen shows th ree main items for user to select. Once an item selected, a submenu appears. Details follow. Phoenix - AwardBIOS CMOS Setup Utility Integrated Peripherals OnChip IDE Device Pr[...]

  • Page 50

    BIOS SETUP 46 AR-B1760 User’s Manual SecondIO Device Onboard Serial Port 3 3E8 ITEM HELP Serial Port 3 Use IRQ IRQ10 Onboard Serial Port 4 2E8 Serial Port 4 Use IRQ IRQ11 Menu Level > OnChip Primary/Secondary PCI IDE The integrated peripheral controlle r contains an IDE interface with support for two IDE channels. Select Enabled to activate ea[...]

  • Page 51

    BIOS SETUP AR-B1760 User’s Manual 47 USB Controller The options for this field are Enabled and Disabled . By default, this field is set to Enabled . USB 2.0 Controller The options for this field are Enabled and Disabled . By default, this field is set to Enabled . In order to use USB 2.0, necessary OS drivers must be installed first. Please updat[...]

  • Page 52

    BIOS SETUP 48 AR-B1760 User’s Manual UART Mode Select This field determ ines the UART 2 mode i n your computer. The default value is Normal . Other options include IrDA and ASKIR . Parallel Port Mode This field allows you t o determine paral lel port mode funct ion. SPP Standard Printer Port EPP Enhanced Parallel Port ECP Extended Cap abilities P[...]

  • Page 53

    BIOS SETUP AR-B1760 User’s Manual 49 Power Management Setup The Power Managem ent Setup allows you to save energy of your system effectively. Phoenix - AwardBIOS CMOS Setup Utility Power Management Setup Power-Supply Type ATX ITEM HELP ACPI Function Enabled Power Manage ment User Define Video Off Method V/H SYNC+Blank Video Off In Suspend Yes Sus[...]

  • Page 54

    BIOS SETUP 50 AR-B1760 User’s Manual Video Off Method This field defines the Video Off features. There are three options. V/H SYNC + Blank Defaul t setting, blank the screen and turn off vertical and horizontal scanning. DPMS Allows BIOS to control t he video display. Blank Screen Writes blanks to the video buffer. Video Off In Suspend When enabl[...]

  • Page 55

    BIOS SETUP AR-B1760 User’s Manual 51 Pow er On by Ring This field enables or disabl es the power on of the system t hrough the modem connected to the serial port or LAN. Resume by Alarm This field enables or disables t he resumption of the system operation. When enabled , the user is allowed to set th e Date and Time . Reload Global Timer Events [...]

  • Page 56

    BIOS SETUP 52 AR-B1760 User’s Manual PNP/PCI Configurations This option configures the PCI bus sy stem. All PCI bus sy stems on the system use INT#, thus all installed PCI cards must be set to this valu e. Phoenix - AwardBIOS CMOS Setup Utility PnP/PCI Configurations Reset Configuration Data Disabled ITEM HELP Resources Controlled By Auto (ESCD) [...]

  • Page 57

    BIOS SETUP AR-B1760 User’s Manual 53 PC Health Status This section shows the parameters in determining the PC Health Status. These parameters include temperat ures, fan speeds and voltages. Phoenix - AwardBIOS CMOS Setup Utility PC Health Status CPU Warning Temperature 75°C/167°F ITEM HELP System Temp. 45°C/113°F CPU Temp 52°C/125°F CPU FAN[...]

  • Page 58

    BIOS SETUP 54 AR-B1760 User’s Manual Frequency/Voltage Control This section shows the user how to configure the processor frequency . Phoenix - AwardBIOS CMOS Setup Utility Frequency/Voltag e Control Auto Detect PCI Clk Disabled ITEM HELP Spread Spectrum Modulated Disabled Menu Level > Auto Detect PCI Clk This field enables or disables t he au[...]

  • Page 59

    BIOS SETUP AR-B1760 User’s Manual 55 Load Fail-Safe Defaults This option allows y ou to load the troubl eshooting default values permanently stored in the BIOS ROM. These default settings are non-optimal and di sable all high-perform ance features. Load Optimized Defaults This option allo ws you to load th e default values to your system configur[...]

  • Page 60

    BIOS SETUP 56 AR-B1760 User’s Manual This page is intention ally left blank.[...]

  • Page 61

    DRIVERS INSTALLATION AR-B1760 User’s Manual 57 Drivers Installation This section describes the in stalla tion procedures for software and drivers under the Windows 98SE, Windows ME, Windows 2000 and Windows XP. The software and drivers are included with the motherboard. If you find t he items m issing, please contact the vendor where you made the[...]

  • Page 62

    DRIVERS INSTALLATION 58 AR-B1760 User’s Manual Intel Chipset Software Intallation Utility The Intel Chipset Drivers should be i nstalled first before the software drivers to enable Plug & Play INF support for Int el chi pset com ponents. Follow the instructions bel ow to complete the i nstallation under Windows 98SE/ME/2000/XP. 1. Insert the [...]

  • Page 63

    DRIVERS INSTALLATION AR-B1760 User’s Manual 59 4. Click Ye s to accept the software license agreement and proceed with the installation pro cess. 5. On Readme Inform ation screen, click Next to continue the installation. 6. The Setup process is now comple te. Click Finish to restart the computer and for changes to ta ke effect. When the computer [...]

  • Page 64

    DRIVERS INSTALLATION 60 AR-B1760 User’s Manual VGA Drivers Installation To install the VGA drivers, follow the steps belo w to proceed with the installation. 1. Insert the CD that comes with the motherboard. Click Intel Chipsets and then Intel(R) 855GME C hipset Drivers . 2. Click Intel (R) 855GME Chipset Famil y Graphics Driver. 3. When the Welc[...]

  • Page 65

    DRIVERS INSTALLATION AR-B1760 User’s Manual 61 AC97 Codec Audio Driver Installation Follow the step s below to install th e Realtek AC97 Codec Aud io Drivers. 1. Insert the CD that comes with the motherboard. Click Intel Chipsets and then Intel(R) 855GME C hipset Drivers . 2. Click Real tek AC'97 Codec A udio Driver. 3. Click Finish to resta[...]

  • Page 66

    DRIVERS INSTALLATION 62 AR-B1760 User’s Manual Intel PRO LAN Drivers Installation Follow the steps below to complete the installation of the Intel PRO LAN drivers. 1. Insert the CD that comes with the motherboard. Click LAN Card and then Intel(R) PRO LAN Drivers . 2. Click Install Base Software to conti nue. 3. When prompted, please to restart t [...]

  • Page 67

    APPENDIX AR-B1760 User’s Manual 63 Appendix A. I/O Port Address Map Each peripheral device in the system is assigned a set of I/O port addresses which also b ecomes the identity of the d evice. The fo llowing table lists the I/O port addresses u sed. Address Device Description 000h - 01Fh DMA Controlle r #1 020h - 03Fh Interrupt Control ler #1 04[...]

  • Page 68

    APPENDIX 64 AR-B1760 User’s Manual B. Interrupt Request Lines (IRQ) Peripheral devices use interrupt request li nes to notify CPU for the service required. The following table shows the IRQ used by the devices on board. Level Function IRQ0 System Tim er Output IRQ1 Keyboard IRQ2 Interrupt Cascade IRQ3 Serial Port #2 IRQ4 Serial Port #1 IRQ5 Reser[...]