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INSTALLATIONS

IB880 User’s Manual

25

J23: PS/2 Keyboard/Mouse Connector

J23, a 10-pin header connector, has functions for both keyboard and
mouse. The following table shows the pin assignments of this connector.

Signal Name

Pin #

Pin #

Signal Name

Protect pin

10

5

N.C.

KB clock

9

4

Mouse clock

KB data

8

3

Mouse data

Vcc

7

2

Vcc

Ground

6

1

Ground

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Summary of Contents for IB880

Page 1: ...IB880 Socket 479 Pentium M Intel 855GME 5 25 SBC USER S MANUAL Version 1 0 ...

Page 2: ...of International Business Machines Corporation Intel and Pentium are registered trademarks of Intel Corporation Microsoft Windows is a registered trademark of Microsoft Corporation Winbond is a registered trademark of Winbond Electronics Corporation All other product names or trademarks are properties of their respective owners ...

Page 3: ...PU 6 Installing the Memory 7 Setting the Jumpers 8 Connectors on IB880 14 Watchdog Timer Configuration 26 BIOS Setup 30 Drivers Installation 54 Intel Chipset Software Intallation Utility 55 VGA Drivers Installation 57 AC97 Codec Audio Driver Installation 58 Intel PRO LAN Drivers Installation 59 Appendix 60 A I O Port Address Map 60 B Interrupt Request Lines IRQ 61 ...

Page 4: ...iv IB880 User s Manual This page is intentionally left blank ...

Page 5: ...t 10 100 Ethernet controller and a secondary LAN using an Intel 82541GI Gigabit Ethernet Two DDR DIMM sockets supports up to 2GB of memory Four COM ports are supported with COM3 and COM4 with a Fintek F81216D I O controller There are two IDE connectors IDE1 supporting UDMA33 66 100 and IDE2 with UDMA33 while supporting a CF Type II socket for its slave channel Other I O features include two Serial...

Page 6: ...ted below The IB880 Pentium M embedded board This User s Manual 1 CD containing chipset drivers and flash memory utility Optional cables such as 1 slim FDD Ribbon Cable 1 Audio Cable 2 IDE Ribbon Cables 40 pin 44 pin 1 COM Port Cable 1 Printer Port Cable 1 PS 2 Keyboard Mouse Cable 1 VGA Cable ...

Page 7: ...troller AC97 Codec ALC650 6 Channel Line in Line out MIC pin header Memory type 2 x DDR 184 pin DIMM 2 5V DDR200 266 333MHz Max capacity 2GB support ECC function LPC I O Winbond 83627HF IrDAx1 Parallel x1 COM1 RS 232 COM2 RS 232 RS422 RS485 FDC 1 44MB Slim Hardware monitor 3 thermal inputs 6 voltage monitor inputs VID0 5 2 fan header Secondary I O Fintek F81216D COM3 COM4 RS 232 40pin header COM1 ...

Page 8: ...INSTALLATIONS 4 IB880 User s Manual Board Dimensions ...

Page 9: ...ion provides information on how to use the jumpers and connectors on the IB880 in order to set up a workable system The topics covered are Installing the CPU 6 Installing the Memory 7 Setting the Jumpers 8 Connectors on IB880 14 Watchdog Timer Configuration 26 ...

Page 10: ...ow loosen the screw first before inserting the processor Place the processor into the socket by making sure the notch on the corner of the CPU corresponds with the notch on the inside of the socket Once the processor has slide into the socket fasten the screw Refer to the figures below NOTE Ensure that the CPU heat sink and the CPU top surface are in total contact to avoid CPU overheating problem ...

Page 11: ...ensity 64 Mbit 128Mbit 256Mbit 512Mbit Device Width X8 X16 X8 X16 X8 X16 X8 X16 Single Double SS DS SS DS SS DS SS DS SS DS SS DS SS DS SS DS 184 pin DDR 64 128MB 32MB NA 128 256MB 64MB NA 256 512MB 128MB NA 512 1024M 256MB NA Installing and Removing Memory Modules To install the DDR modules locate the memory slot on the embedded board and perform the following steps 1 Hold the DDR module so that ...

Page 12: ...880 and their respective functions Jumper Locations on IB880 9 Configuring the CPU Frequency 10 JP1 LVDS Panel Power Select 10 JP2 Gigabit LAN Enable Disable 10 JP3 Compact Flash Slave Master 10 JP4 Clear CMOS Contents 11 JP5 JP6 JP7 RS232 422 485 COM2 Selection 11 JP8 COM1 RS232 5V 12V Power Setting 11 JP9 COM2 RS232 5V 12V Power Setting 12 JP10 COM3 RS232 5V 12V Power Setting 12 JP11 COM4 RS232 ...

Page 13: ...Disable 10 JP3 Compact Flash Slave Master 10 JP4 Clear CMOS Contents 11 JP5 JP6 JP7 RS232 422 485 COM2 Selection 11 JP8 COM1 RS232 5V 12V Power Setting 11 JP9 COM2 RS232 5V 12V Power Setting 12 JP10 COM3 RS232 5V 12V Power Setting 12 JP11 COM4 RS232 5V 12V Power Setting 12 JP12 ATX AT Power Select 12 JP16 Processor Operating Frequency 13 ...

Page 14: ...ches to configure the processor speed CPU frequency JP1 LVDS Panel Power Select JP1 LVDS Panel Power 3 3V default 5V Note The LVDS panel resolution can be configured in the BIOS Setup JP2 Gigabit LAN Enable Disable JP2 Gigabit LAN Enable Disable JP3 Compact Flash Slave Master JP3 Compact Flash Open Slave Close Master ...

Page 15: ... COM3 and COM4 are fixed for RS 232 use only COM2 is selectable for RS232 RS 422 and RS 485 The following table describes the jumper settings for COM2 selection COM2 Function RS 232 RS 422 RS 485 Jumper Setting pin closed JP7 1 2 JP5 3 5 4 6 JP6 3 5 4 6 JP7 3 4 JP5 1 3 2 4 JP6 1 3 2 4 JP7 5 6 JP5 1 3 2 4 JP6 1 3 2 4 JP8 COM1 RS232 5V 12V Power Setting Pin Signal Name JP8 Signal Name Pin 1 RI 12V 2...

Page 16: ... COM3 RS232 5V 12V Power Setting Pin Signal Name JP10 Signal Name Pin 1 RI 12V 2 3 RI default RI default 4 5 RI 5V 6 COM3 Settings Pin 1 2 short 12V Pin 5 6 short 5V Pin 3 4 short standard COM port JP11 COM4 RS232 5V 12V Power Setting Pin Signal Name JP11 Signal Name Pin 1 RI 12V 2 3 RI default RI default 4 5 RI 5V 6 COM4 Settings Pin 1 2 short 12V Pin 5 6 short 5V Pin 3 4 short standard COM port ...

Page 17: ...INSTALLATIONS IB880 User s Manual 13 JP16 Processor Operating Frequency JP16 CPU FSB Open 133MHz Close 100MHz ...

Page 18: ...1 CD In Audio Connector 17 CN2 AT H2 5V Power Connector 17 J2 External Audio Connector 18 CN3 Digital 4 in 4 out I O Connector 18 J3 Wake On LAN Connector 18 J4 Gigabit LAN Connector used with ID240 18 J5 System Function Connector 19 J6 TMDS Connector 20 J7 10 100Mbit Ethernet Connector 21 J8 VGA CRT Connector 21 J10 Floppy Drive Connector 21 J13 J9 LVDS Connectors 1st channel 2nd channel 22 J14 P...

Page 19: ...r 18 CN3 Digital 4 in 4 out I O Connector 18 J3 Wake On LAN Connector 18 J4 Gigabit LAN Connector used with ID240 18 J5 System Function Connector 19 J6 TMDS Connector 20 J7 10 100Mbit Ethernet Connector 21 J8 VGA CRT Connector 21 J10 Floppy Drive Connector 21 J13 J9 LVDS Connectors 1st channel 2nd channel 22 J14 Panel Inverter Power Connector 22 J15 J16 USB Connectors 22 J17 Parallel Port Connecto...

Page 20: ...E1 Primary 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 17 18 Host data 15 Ground 19 20 Protect pin DRQ0 21 22 Ground Host IOW 23 24 Ground Host IOR 25 26 Gro...

Page 21: ...t data 1 15 16 Host data 14 Host data 0 17 18 Host data 15 Ground 19 20 Key DRQ0 21 22 Ground Host IOW 23 24 Ground Host IOR 25 26 Ground IOCHRDY 27 28 Host ALE DACK0 29 30 Ground IRQ14 31 32 No connect Address 1 33 34 No connect Address 0 35 36 Address 2 Chip select 0 37 38 Chip select 1 Activity 39 40 Ground Vcc 41 42 Vcc Ground 43 44 N C J1 CD In Audio Connector Pin Signal Name 1 CD Audio R 2 G...

Page 22: ...6 Out0 Int3 7 8 Int1 Int2 9 10 Int0 J3 Wake On LAN Connector J3 is a 3 pin header for the Wake On LAN function on the board The following table shows the pin out assignments of this connector Wake On LAN will function properly only with an ATX power supply with 5VSB that has 200mA Pin Signal Name 1 5VSB 2 Ground 3 PME J4 Gigabit LAN Connector used with ID240 Signal Name Pin Pin Signal Name MDI0 1 ...

Page 23: ...t 3 Ground 4 5V Power LED Pins 9 11 The power LED indicates the status of the main power switch Pin Signal Name 9 Power LED 10 NC 11 Ground 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 switch on the case When pressed the power switch will force the system to power on When pressed again it will force the system ...

Page 24: ...header Pin Signal Name 7 Reset 15 Ground Hard Disk Drive LED Connector Pins 8 and 16 This connector connects to the hard drive activity LED on control panel This LED will flash when the HDD is being accessed Pin Signal Name 8 HDD Active 16 5V J6 TMDS Connector 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 ...

Page 25: ...ame R 1 9 5V G 2 10 GND B 3 11 NC NC 4 12 DDCDAT GND 5 13 HSYNC GND 6 14 VSYNC GND 7 15 DDCCLK GND 8 16 Protect pin J10 Floppy Drive 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 WDATA GND 17 18 WGATE GND 19 20 TRACK NC 21 22 WPRO...

Page 26: ...2 11 TX2 Ground 14 13 Ground TXC 16 15 TXC 5V 3 3V 18 17 ENABKL 12V 20 19 12V J14 Panel Inverter Power Connector Pin Signal Name 1 12V 2 ENABKL 3 Ground J15 J16 USB Connectors The following table shows the pin outs of the USB pin headers connectors Overall the two pin headers support four USB ports USB 2 0 compliant Signal Name Pin Pin Signal Name Vcc 1 5 Ground USB0 2 6 USB1 USB0 3 7 USB1 J15 Gro...

Page 27: ...Select PD3 parallel data 3 5 18 Ground PD4 parallel data 4 6 19 Ground PD5 parallel data 5 7 20 Ground PD6 parallel data 6 8 21 Ground PD7 parallel data 7 9 22 Ground ACK acknowledge 10 23 Ground Busy 11 24 Ground Paper empty 12 25 Ground J17 Select 13 N A N A 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...

Page 28: ...TS NC 8 CTS CTS NC 9 RI CTS NC 10 NC NC NC J20 IrDA Connector J20 is used for an optional IrDA connector for wireless communication Pin Signal Name 1 5V 2 No connect 3 Ir RX 4 Ground 5 Ir TX J21 ATX Power 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...

Page 29: ...or J23 a 10 pin header connector has functions for both keyboard and mouse The following table shows the pin assignments of this connector Signal Name Pin Pin Signal Name Protect pin 10 5 N C KB clock 9 4 Mouse clock KB data 8 3 Mouse data Vcc 7 2 Vcc Ground 6 1 Ground ...

Page 30: ...fore the timer counts to zero SAMPLE CODE This code and information is provided as is without warranty of any kind either expressed or implied including but not limited to the implied warranties of merchantability and or fitness for a particular purpose Name Enable_And_Set_Watchdog IN AL 1sec 255sec OUT None Enable_And_Set_Watchdog ProcNear pushax save time interval call Unlock_Chip mov cl 2Bh cal...

Page 31: ...INSTALLATIONS IB880 User s Manual 27 mov cl 30h ...

Page 32: ...ocNear call Unlock_Chip mov cl 07h mov al 08h call Write_Reg switch to LD8 xor al al mov cl 0F6h call Write_Reg clear watchdog timer xor al al mov cl 30h call Write_Reg watchdog disabled call Lock_Chip ret Disable_Watchdog Endp Name Unlock_Chip IN None OUT None Unlock_Chip ProcNear Mov dx 4Eh mov al 87h out dx al out dx al ret Unlock_Chip Endp Name Lock_Chip IN None OUT None ...

Page 33: ... Endp Name Write_Reg IN CL register index AL Value to write OUT None Write_Reg ProcNear pushax mov dx 4Eh mov al cl out dx al pop ax inc dx out dx al ret Write_Reg Endp Name Read_Reg IN CL register index OUT AL Value to read Read_Reg ProcNear Mov al cl mov dx 4Eh out dx al inc dx in al dx ret Read_Reg Endp ...

Page 34: ...are as follows BIOS Introduction 31 BIOS Setup 31 Standard CMOS Setup 33 Advanced BIOS Features 36 Advanced Chipset Features 39 Integrated Peripherals 42 Power Management Setup 46 PNP PCI Configurations 49 PC Health Status 50 Frequency Voltage Control 51 Load Fail Safe Defaults 52 Load Optimized Defaults 52 Set Supervisor User Password 52 Save Exit Setup 52 Exit Without Saving 52 ...

Page 35: ...d BIOS is immediately activated Pressing the Del key immediately allows you to enter the Setup utility If you are a little bit late pressing the Del key POST Power On Self Test will continue with its test routines thus preventing you from invoking the Setup If you still wish to enter Setup restart the system by pressing the Reset button or simultaneously pressing the Ctrl Alt and Delete keys You c...

Page 36: ...displays the control keys for this menu At the bottom of the Main Menu just below the control keys section there is another section which displays information on the currently highlighted item in the list Note If the system cannot boot after making and saving system changes with Setup the Award BIOS supports an override to the CMOS settings that resets your system to its default Warning It is stro...

Page 37: ...Menu Level IDE Primary Master None IDE Primary Slave None IDE Secondary Master None IDE Secondary Slave None Drive A 1 44M 3 5 in Drive B None Video EGA VGA Halt On All Errors Base Memory 640K Extended Memory 129024K Total Memory 130048K Change the day month Year and century At the bottom of the menu are the control keys for use on this menu If you need any help in each item field you can press th...

Page 38: ...Auto Manual and None Select Manual to define the drive information manually You will be asked to enter the following items CYLS Number of cylinders HEAD Number of read write heads PRECOMP Write precompensation LANDING ZONE Landing zone SECTOR Number of sectors The Access Mode selections are as follows CHS HD 528MB LBA HD 528MB and supports Logical Block Addressing Large for MS DOS only Auto Remark...

Page 39: ...or not the system will halt if an error is detected during power up No errors The system boot will not be halted for any error that may be detected All errors Whenever the BIOS detects a non fatal error the system will stop and you will be prompted All But Keyboard The system boot will not be halted for a keyboard error it will stop for all other errors All But Diskette The system boot will not be...

Page 40: ...DD For WIN 95 Yes Small Logo EPA Show Enabled Menu Level CPU Feature Press Enter to configure the settings relevant to CPU Feature Virus Warning If this option isenabled an alarm message will be displayed when trying to write on the boot sector or on the partition table on the disk which is typical of the virus CPU L1 and L2 Cache Cache memory is additional memory that is much faster than conventi...

Page 41: ...ecks for a floppy drive while booting up If it cannot detect one either due to improper configuration or its absence it will flash an error message Boot Up NumLock Status This allows you to activate the NumLock function after you power up the system Gate A20 Option This field allows you to select how Gate A20 is worked Gate A20 is a device used to address memory above 1 MB Typematic Rate Setting W...

Page 42: ...ve support for multiple PCI bus configurations and improve future expandability The default setting is 1 4 OS Select for DRAM 64MB This option allows the system to access greater than 64MB of DRAM memory when used with OS 2 that depends on certain BIOS calls to access memory The default setting is Non OS 2 Report No FDD For WIN 95 If you are using Windows 95 98 without a floppy disk drive select E...

Page 43: ...Display CRT LVDS Panel Scaling Auto Panel Number 1024x768 18bit SC Menu Level DRAM Timing Selectable This option refers to the method by which the DRAM timing is selected The default is By SPD CAS Latency Time You can configure CAS latency time in HCLKs as 2 or 2 5 or 3 The system board designer should set the values in this field depending on the DRAM installed Do not change the values in this fi...

Page 44: ...hing of the system BIOS ROM at F000h FFFFFh resulting in better system performance However if any program writes to this memory area a system error may result Video BIOS Cacheable The Setting Enabled allows caching of the video BIOS ROM at C0000h F7FFFh resulting in better video performance However if any program writes to this memory area a system error may result Memory Hole At 15M 16M In order ...

Page 45: ...tting is Enabled On Chip Frame Buffer Size The default setting is 32MB The options available include 1MB 4MB 8MB and 16MB Boot Display The default setting is CRT LVDS The options available include CRT and LVDS Panel Scaling The default setting is Auto The options available include On and Off Panel Number These fields allow you to select the LCD Panel type The default values for these ports are 640...

Page 46: ...econdary PCI IDE Enabled IDE Secondary Master PIO Auto IDE Secondary Slave PIO Auto IDE Secondary Master UDMA Auto IDE Secondary Slave UDMA Auto IDE HDD Block Mode Enabled Onboard SATA chip mode SATA mode Menu Level Phoenix AwardBIOS CMOS Setup Utility Onboard Device USB Controller Enabled ITEM HELP USB 2 0 Controller Ensabled USB Keyboard Support Disabled USB Mouse Support Disabled AC97 Audio Aut...

Page 47: ... have the BIOS issue a series of commands that transfer to or from the disk drive PIO Programmed Input Output allows the BIOS to communicate with the controller and CPU directly The system supports five modes numbered from 0 default to 4 which primarily differ in timing When Auto is selected the BIOS will select the best available mode IDE Primary Secondary Master Slave UDMA These fields allow you...

Page 48: ...AC97 Audio The default setting of the AC97 Audio is Auto Init Display First The default setting is PCI Card This determines which VGA controller is initialized when the system boots Integrated LAN The default setting of the LAN controller is Enabled Onboard FDC Controller Select Enabled if your system has a floppy disk controller FDC installed on the motherboard and you wish to use it If you insta...

Page 49: ...l Other options include IrDA and ASKIR Parallel Port Mode This field allows you to determine parallel port mode function SPP Standard Printer Port EPP Enhanced Parallel Port ECP Extended Capabilities Port PWRON After PWR Fail This field sets the system power status whether on or off when power returns from a power failure situation ...

Page 50: ...Date of Month Alarm 0 Time hh mm ss Alarm 0 0 0 Reload Global Timer Events Primary IDE 0 Enabled Primary IDE 1 Enabled Secondary IDE 0 Enabled Secondary IDE 1 Enabled FDD COM LPT Port Enabled PCI PIRQ A D Enabled Menu Level Power Supply Type Use this field to select the power supply type used in the system The default setting is ATX ACPI Function Enable this function to support ACPI Advance Config...

Page 51: ...and after the set time of system inactivity all devices except the CPU will be shut off HDD Power Down When enabled and after the set time of system inactivity the hard disk drive will be powered down while all other devices remain active Soft Off by PWRBTN This field defines the power off mode when using an ATX power supply The Instant Off mode allows powering off immediately upon pressing the po...

Page 52: ...nabled the user is allowed to set the Date and Time Reload Global Timer Events The HDD FDD COM LPT Ports and PCI PIRQ are I O eventsthat can prevent the system from entering a power saving mode or can awaken the system from such a mode When an I O device wants to gain the attention of the operating system it signals this by causing an IRQ to occur When the operating system is ready to respond to t...

Page 53: ... you need the BIOS to configure non boot devices Reset Configuration Data This field allows you to determine whether to reset the configuration data or not The default value is Disabled Resources Controlled by This PnP BIOS can configure all of the boot and compatible devices automatically with the use of a use a PnP operating system such as Windows 95 PCI VGA Palette Snoop Some non standard VGA d...

Page 54: ...bled CPU Warning Temperature This field allows the user to set the temperature so that when the temperature is reached the system sounds a warning This function can help prevent damage to the system that is caused by overheating Temperatures Voltages These fields are the parameters of the hardware monitoring function feature of the motherboard The values are read only values as monitored by the sy...

Page 55: ...etup Utility Frequency Voltage Control Auto Detect PCI Clk Disabled ITEM HELP Spread Spectrum Modulated Disabled Menu Level Auto Detect PCI Clk This field enables or disables the auto detection of the PCI clock Spread Spectrum Modulated This field sets the value of the spread spectrum The default setting is Disabled This field is for CE testing use only ...

Page 56: ...ssword message prompts on the screen Type the password up to eight characters in length and press Enter The system confirms your password by asking you to type it again After setting a password the screen automatically returns to the main screen To disable a password just press the Enter key when you are prompted to enter the password A message will confirm the password to be disabled Once the pas...

Page 57: ...BIOS SETUP IB880 User s Manual 53 This page is intentionally left blank ...

Page 58: ...e items missing please contact the vendor where you made the purchase The contents of this section include the following Intel Chipset Software Intallation Utility 55 VGA Drivers Installation 57 AC97 Codec Audio Driver Installation 58 Intel PRO LAN Drivers Installation 59 IMPORTANT NOTE After installing your Windows operating system Windows 98SE ME 2000 XP you must install first the Intel Chipset ...

Page 59: ...rs to enable Plug Play INF support for Intel chipset components Follow the instructions below to complete the installation under Windows 98SE ME 2000 XP 1 Insert the CD that comes with the board Click Intel Chipsets and then Intel R 855GME Chipset Drivers 2 Click Intel R Chipset Software Installation Utility 3 When the Welcome screen appears click Next to continue ...

Page 60: ...h the installation process 5 On Readme Information screen click Next to continue the installation 6 The Setup process is now complete Click Finish to restart the computer and for changes to take effect When the computer has restarted the system will be able to find some devices Restart your computer when prompted ...

Page 61: ...rt the CD that comes with the motherboard Click Intel Chipsets and then Intel R 855GME Chipset Drivers 2 Click Intel R 855GME Chipset Family Graphics Driver 3 When the Welcome screen appears click Next to continue 4 Click Yes to to agree with the license agreement and continue the installation 5 Restart the computer as prompted and for changes to take effect ...

Page 62: ...low the steps below to installthe Realtek AC97 Codec Audio Drivers 1 Insert the CD that comes with the motherboard Click Intel Chipsets and then Intel R 855GME Chipset Drivers 2 Click Realtek AC 97 Codec Audio Driver 3 Click Finish to restart the computer and for changes to take effect ...

Page 63: ...he 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 continue 3 When prompted please to restart the computer for new settings to take effect ...

Page 64: ...imer 060h 06Fh Keyboard Controller 070h 07Fh Real Time Clock NMI 080h 09Fh DMA Page Register 0A0h 0BFh Interrupt Controller 2 0C0h 0DFh DMA Controller 2 0F0h Clear Math Coprocessor Busy Signal 0F1h Reset Math Coprocessor 1F0h 1F7h IDE Interface 278h 27Fh Parallel Port 2 LPT2 2F8h 2FFh Serial Port 2 COM2 2B0h 2DFh Graphics adapter Controller 378h 3FFh Parallel Port 1 LPT1 360h 36Fh Network Ports 3B...

Page 65: ...ng table shows the IRQ used by the devices on board Level Function IRQ0 System Timer Output IRQ1 Keyboard IRQ2 Interrupt Cascade IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 Reserved IRQ6 Floppy Disk Controller IRQ7 Parallel Port 1 IRQ8 Real Time Clock IRQ9 Reserved IRQ10 Reserved IRQ11 Reserved IRQ12 PS 2 Mouse IRQ13 80287 IRQ14 Primary IDE IRQ15 Secondary IDE ...

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