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been guaranteed for proper function.

2-5-4 Floppy Disk Connector

Floppy Disk Connector

has 34 pins and allows connection of a floppy drive.

In all two floppy drives can be connected to the mother board, known as
floppy A and B. The BIOS allows you to disable the floppy controller if you
do not use any floppy driver, that will free an Interrupt. The BIOS also allows
swapping of floppy A and B although this will not be useful to most users.

All manuals and user guides at all-guides.com

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Summary of Contents for P4A845S

Page 1: ...P4A845S INTEL i845 Chipset S 478 ATX Form Factor Main Board User s Manual Ver 1 0 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 2: ...into any natural or computer language in any form or by any means without prior written permission This manual and the information contained here are protected by copyright All rights reserved Copyright 2001 All Rights Reserved Revision History Revision Date Release Notes 1 0 June 2001 First Official Release All manuals and user guides at all guides com ...

Page 3: ... manufacturer of the system board will not be held responsible for technical or editorial omissions made herein nor for the incidental or consequential damages resulting from its furnishing performance functionality or use Subsequent changes to this manual will be incorporated into the next edition We welcome any suggestion regarding this manual or our computer products Trademarks Intel and Pentiu...

Page 4: ...p Function 11 2 4 CPU Installation 12 2 4 1 CPU and System Cooling 15 2 5 Connectors 16 2 5 1 Front Panel 16 2 5 2 Back Panel Connectors 18 2 5 3 Power Supply Connector 20 2 5 4 Floppy Disk Connector 21 2 5 5 IDE1 and IDE2 22 2 5 6 Internal Audio Connecotrs 23 2 5 7 WOL1 WakeUp On LAN Optional 24 2 6 Memory 25 2 6 1 Memory Installation 26 Chapter 3 Software Installation 27 3 1 Notice of Driver Ins...

Page 5: ...5 3 Time DMA Channels Map 63 5 4 Interrupt Map 64 5 5 RTC CMOS RAM Map 65 5 6 ISA I O Address Map 66 Chapter 6 Q A 68 Important Warnings STOP WARNING NEVER run the processor without the heatsink properly and firmly attached This will damage the processor within SECONDS Also do NOT try to use Pentium Heatsinks these will NOT fit and do NOT provide adequate cooling STOP WARNING Make sure your power ...

Page 6: ...tail how to set the motherboard up for operation Read all information and follow all steps especially if you are a new user Software Installation The software section describes the drivers that need be installed to make your OS operates properly The drivers are provided on the driver CD BIOS Setup Information on how to enter the BIOS setup and change settings is given here In addition all individu...

Page 7: ...us USB The platform is also ACPI compliant and supports Full on Suspend to Disk and Soft off power management states Memory This motherboard comes equipped with three Dual Inline Memory Module DIMM sockets to support Intel PC100 PC133 compliant 8 16 32 64 128 or 256MB DIMM modules up to 768MB AGP Accelerated Graphics Port Allows only AGP 2 0 including 4X AGP VGA cards PCI Expansion Slots With five...

Page 8: ...or an optional remote controller System BIOS This motherboard comes with a 2MB BIOS that provides CPU SDRAM frequency boot block write protection and HD SCSI CD Floppy boot selection DMI is also supported through BIOS which allows hardware to communicate within a standard protocol creating a higher level of compatibility Special Function A Over 300W P4 type power supply is needed meanwhile over 25...

Page 9: ...processor System Bus 3 2GB s 1 06GB s 8 Bit Hub Interface 266MB s AGP4X 1 5V 1 06GB s PC133 SDRAM PC133 SDRAM PC133 SDRAM ICH2 AGP Graphics AC 97 Modem CODEC optional AC 97 Modem CODEC optional LAN Connect 2 ATA100 IDE Channels 4 USB 1 1 Ports PCI Bus SIO Flash BIOS All manuals and user guides at all guides com ...

Page 10: ...e Leave this main board in its original package until you are ready to install it In the package there are This motherboard 1 Manual 1 Driver Installation CD ROM 1 IDE ATA 66 100 Flat Cable 1 Floppy Disk Drive Flat Cable B Make sure power is off During hardware installation be sure that there is no power connected during this period C Avoid ESD Electrical Static Discharge All manuals and user guid...

Page 11: ... 0 1 OPTIONAL 13 SY_FAN1 14 CNR slot 15 WOL1 16 PCI slot 17 Sound Codec 18 AGP slot 19 GAME PORT LINE IN LINE OUT MIC IN 20 LPT COM 21 USB 22 PS 2 Mouse K B While installing the main board wear a grounded wristband or ankle strap to avoid ESD Electrical Static Discharge Chapter 2 Installation 2 1 Component Locations All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 12: ... 478 COM1 COM2 LINE OUT LINE IN MIC IN Sound Codec Intel i845 CNR1 USB2 WOL1 BIOS FDC1 IDE1 IDE2 JP 7 Intel FW82801BA JP 6 IDE3 optional IDE4 optional JP 2 JP 3 SOFT_PWR PWR_LED SUSLED HDD_LED RESET SPEAKER CD_IN1 TELE1 AUX_IN1 All manuals and user guides at all guides com ...

Page 13: ...for 1 5G CPU is x15 20G CPU is x20 Please refer to page 58 2 3 1 JP2 JP7 USB Wake Up Function JP2 JP7 are 3 pin selector which provides USB wake up function Set 1 2 to disable and set 2 3 to enable USB wake up function 3 2 1 3 2 1 Set 1 2 Normal 5V USB Set 2 3 Enabled USB Wake Up Function JP 7 1 JP 2 1 JP2 JP7 USB Wake Up Function Selector All manuals and user guides at all guides com ...

Page 14: ...rovides keyboard wake up function Set 1 2 to disable and set 2 3 to enable keyboard wake up function 3 2 1 3 2 1 Set 1 2 Normal default Set 2 3 Enabled keybaord Wake Up Function 1 JP 3 1 Jp3 Keyboard Wake Up Function Selector All manuals and user guides at all guides com ...

Page 15: ...ists before proceeding You should have the following items 1 Intel P4 processor 1 good heatsink and fan assembly Step 1 The following figure shows the processor socket Note that the release lever on the right side of the socket is down and latched This position is used to lock the processor in place The lever must be raised to install the processor To do this first push the lever sideways to unlat...

Page 16: ...ion STOP WARNING Never run the processor without the heatsink properly and firmly attached Step3 The picture below shows the bottom of the heatsink Notice the step in the heatsink surface this portion fits over the top of the socket where the legend Socket 478 is molded into the plastic The heatsink must be mounted with this step above the top of the socket or the heatsink will not be touching the...

Page 17: ...require you to use a finger on one hand to push the latch down and use your other hand to push the latch in This is the part you need to practice to install the clip properly When you are holding the heatsink make sure you do apply pressure to the fan You could damage it and cause thermal failure of the processor STOP WARNING Be careful not to scrape the motherboard during the mounting of the fan ...

Page 18: ...se of in all 3 FANs Of these 3 FANs 1 can be used by the CPU Heatsink assembly The other 2 FAN Headers allow connection of a Chassis Fan and a Power Supply FAN respectively For a the location of the FAN connectors refer to the following picture Fan Signal GND 12V SENSE No jumper is needed for CPU installation But need to set CPU clock ration under Frequency Voltage Control in BIOS e g 1 5G is x15 ...

Page 19: ...d Refer to the following pages for details 2 5 1 Front Panel Front panel has connectors as SPEAKER RESET HDD_LED SUSLED PWR_LED SOFT PWR Please refer the details as below SOFT_PWR PWR_LED SUSLED HDD_LED RESET SPEAKER All manuals and user guides at all guides com ...

Page 20: ...h pin 1 pin 2 can reset the system which is similar to the power off and then on again HDD LED Hard Disk activity LED connector is a 2 pin keyed Berg strip It is used to connect to front panel Hard Disk LED This LED will light up whenever one of your IDE devices is being accessed SUSLED PWR LED is a 3 pin connector It is used to connect to the LED on the case front panel The LED shows the status o...

Page 21: ...l Connectors There are PS 2 keyboard mouse USB COM1 2 LPT1 MIC LINE IN LINE OUT and GAME Port on case back panel Please refer to more details as below All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 22: ... inserted into the lower connector The Mouse can be plugged in in only one way too Please do not force the connector in it may get damaged by use of excessive force LPT The onboard parallel port is a 25 pin female connector It supports standard printer port Enhanced Parallel Port EPP Extended Capabilities Port ECP Standard Parallel Port SPP USB USB Universal Serial Bus Connector Universal Serial B...

Page 23: ...of the Soft Power On Momentary switch which connects the front panel switch to the 2 pin SOFT PWR on the system board While the power switch on the back of ATX power is turned on the full power will not go into the system board until the front panel switch is momentarily pressed Push the switch again to turn off the power to the system board ATX Power AUX_1 ATX AUX_1 AUX_PW1 Traditional PIII power...

Page 24: ...In all two floppy drives can be connected to the mother board known as floppy A and B The BIOS allows you to disable the floppy controller if you do not use any floppy driver that will free an Interrupt The BIOS also allows swapping of floppy A and B although this will not be useful to most users All manuals and user guides at all guides com ...

Page 25: ...evice conneced to IDE 1 as Slave Jumpers on the IDE device determine Master and Slave settings Your harddisk or CD ROM should have a sticker with jumper settings Make sure that you set these jumpers correct Please use the following advice as reference If you have only device connected to an IDE connector always set it as Master If you have one HDD and CD ROM in your system then connect the HDD to ...

Page 26: ...rnal Audio Connectors Internal Audio Connectors are CD_IN It is a CD ROM external audio input signal to line out speaker of the main board CD_IN All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 27: ...is feature a network card is required for the system and network management software must be installed too WOL1 WOL1 Wake up on LAN function requirement Power supply should be able to offer at least 1A current driving ability to the signal 5V trickle voltage All manuals and user guides at all guides com ...

Page 28: ...t are supported are 8 16 32 64 128 or 256 memory sizes between 64MB to 512MB can be formed this way Refer to the picture below for the position of the DIMM slots Memory speed is controlled through the BIOS on the Advanced Chipset Features Setup page you will find several items related to SDRAM speed Refer to the BIOS section for more details All manuals and user guides at all guides com ...

Page 29: ...modules can be inserted in DIMM slots 1 to 2 Because of the two notches in the DIMM module it can be inserted in only one way Please refer to the picture below for information on how to insert the DIMM modules STOP WARNING Make sure that you unplug your power supply when adding or removing memory modules or other system components Failure to do so may cause severe damage to both your motherboard a...

Page 30: ...vers CD driver is always updated with the latest version so the actual CD content may be somewhat different from the above picture 1 Main boards 5gxm 6aap5 6va693a 6va693am 6va694 6vapm 6vmpl 6vmple1 6vmple2 6vple1 Amdk7 I810 I815e I845 Intv K7mkle K7vat Ktapro Kx133 P4vas Vap266a please select I845 directory for this main board 2 DX8 Windows DirectX8 driver All manuals and user guides at all guid...

Page 31: ...ntel inf Setup exe 2 Setup3 Install Sound Driver For Windows95 Path root IntelAC97 Alc Win95 Setup exe For Windows98 Path root IntelAC97 Alc Win98 Setup exe For Windows2000 Path root IntelAC97 Alc Win2000 Setup exe For WindowsNT Path root IntelAC97 Alc Winnt Setup exe All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 32: ...IOS FLASH ROM IC on your motherboard refer to the picture below BIOS The BIOS IC is inserted in an IC socket which means that it can be removed and exchanged for another IC if necessary Is updating my BIOS necessary As a general rule if your system is functioning properly and you are not an experienced user do not try to update the BIOS Only if you have specific problems that a BIOS update may sol...

Page 33: ...rectory You may want to jot the BIOS bin file name down on a piece of paper Restart the computer press DEL to go into the BIOS then please disable the following System BIOS Cacheable in Advanced Chipset Features Video BIOS Shadow in Advanced BIOS Features Save the changes by selecting save and exit and restart the computer Press Ctrl F5 just before Windows is starting up right after the second BIO...

Page 34: ...tery If this battery runs low CMOS is unable to keep its settings and you will need to replace the battery The BIOS will give you an error message when it detects a low battery voltage The error message CMOS checksum error may also point to a low battery problem Restoring default settings You can load default values into the CMOS memory by selecting Load Optimized Defaults in the BIOS Setup If you...

Page 35: ...oot the BIOS will automatically load the CMOS default values Take the following steps to clear CMOS memory Take the power cord from the power supply Temporarily set JP6 to 2 3 and set it back to 1 2 Put the power cord back and restart the system the default values will be loaded CMOS Status JP6 Retain CMOS settings Clear CMOS Settings CMOS 1 2 3 1 2 3 The following part of this chapter will descri...

Page 36: ...res Load Optimized Defaults Advanced Chipset Features Set Supervisor Password Integrated Peripherals Set User Password Power Management Setup Save Exit Setup PnP PCI Configurations Exit Without Saving PC Health Status Esc Quit F9 Menu in BIOS Select Item F10 Save Exit Setup Time Date Hard Disk Type Selecting items To Select items use the following method Use the arrow keys to move between items an...

Page 37: ...lp F2 Help Help for specific item F5 Previous values Restores the previous values These are the values that the user started the current session with F7 Optimized Defaults Loads all options with the Optimized Default values Save Exit Setup When you select the SAVE EXIT SETUP option from the Main Menu all changes that you made will be saved to the CMOS memory and the setup utility will exit rebooti...

Page 38: ...Copyright 1984 2001 Award Software Standard CMOS Features PC Health Status Advanced BIOS Features Frequency Voltage Control Advanced Chipset Features Load Optimized Defaults Integrated Periphral Power Manag Quit without Saving Y N tup PnP PCI Conf Exit Without Saving PC Health Status Pressing Y and enter will Exit without saving pressing N and enter will not Exit All manuals and user guides at all...

Page 39: ...y IDE Secondary Master Press Enter None IDE Secondary Slave Press Enter None Drive A 1 44M 3 5 in Drive B None Video EGA VGA Halt On All But Keyboard Base Memory 640K Extended Memory 31744K Total Memory 32768K Move Enter Select PU PD value F10 save ESC Exit F1 General Help F5 Previous Values F6 Fail Safe Defaults F7 Optimized Defaults This screen allows you to change the basic CMOS Settings such a...

Page 40: ...ter Auto Menu Level Access Mode Auto To auto detect the HDD s size head on this Capacity 0 MB channel Cylinder 0 Head 0 Precomp 0 Landing Zone 0 Sector 0 This Menu is the same for all 4 IDE devices Primary Master IDE 1 first device Primary Slave IDE 1 second device Secondary Master IDE 2 first device Secondary Slave IDE 2 second device Values Meaning IDE HDD Auto Detection Press Enter Pressing Ent...

Page 41: ...nector on the motherboard You can select between different floppy disk drive types by using the Page Up and Page Down keys If you press enter while Drive A or B is selected the following menu will pop up that will allow to choose a device as well Drive X None 360K 5 25 in 1 2M 5 25 in 720K 3 5 in 1 44M 3 5 in 2 88M 3 5 in Move Enter Accept ESC Abort Video The Video item allows you to select a vide...

Page 42: ...es by using the Page Up and Page Down keys Values Meaning All Errors Stop booting on all errors No Errors Always Boot no matter what error is detected ALL BUT KEYBOARD Stop booting on all errors but not on a keyboard error All but diskette Stop booting on all errors but a diskette error Halt On All but disk key Stop booting on all errors but keyboard and diskette errors All manuals and user guides...

Page 43: ...rd Disk boot sector Second Boot Device HDD 0 protection If this function is enabled and Third Boot Device LS 120 someone attempt to write data into this area Boot Other Device Enabled BIOS will show a warning message on Swap Floppy Drive Disabled screen and clarm beep Boot Up Floppy Seek Disabled Boot Up NumLock Status On Gate A20 Option Fast Typematic Rate Setting Disabled X Typematic Rate Chars ...

Page 44: ...Virus Warning Disabled The BIOS will allow write attempts to the boot sector CPU Cache settings Values Meaning Disabled CPU L1 L2 Cache Enabled Quick Power On Self Test Values Meaning Enabled The BIOS will execute test routines that test most parts of the motherboard during boot up Quick Power On Self Test Disabled The BIOS will skip the tests speeding up the boot process Errors will on the other ...

Page 45: ...LS 120 drive Third boot device default HDD 0 The system will attempt to boot from the first HDD Second boot device default SCSI The system will attempt to boot from the first device attached to the first SCSI interface CD ROM The system will attempt to boot from the first CD ROM found HDD1 The system will attempt to boot from the second HDD HDD2 The system will attempt to boot from the third HDD H...

Page 46: ...e security option item allows you to select when the password needs to be entered Refer to the table below Values Meaning Setup Password must be entered only when the user wants to enter the BIOS setup Security Option System The password must always be entered at boot OS Select for DRAM 64MB Values Meaning Non OS2 If your OS is not OS2 always select this setting OS select for DRAM 64MB OS2 Select ...

Page 47: ...e to Precharge Delay 7 DRAM RAS to CAS Delay 3 DRAM RAS Precharge Time 3 DRAM Data Integrity Mode Non ECC Memory Frequency For Menu Level Dram Read Thermal Mgmt Disabled System BIOS Cacheable Enabled Video BIOS Cacheable Disabled Video RAM Cacheable Disabled Memory Hole At 15M 16M Disabled Delayed Transaction Enabled AGP Aperture Size MB 64 Delay Prior to Thermal 16Min Flash BIOS Use GPIO 23 Disab...

Page 48: ... out of the SPD EPROM that is located on the DIMM module this information will tell the BIOS how to best accesses the memory If you set this item to disabled you can set the memory access items yourself A word of warning though if you are not familiar with DRAM settings does NOT make any changes for the sake of system stability Refer to the table below for the meaning of the individual DRAM items ...

Page 49: ...nt between 15M and 16M CPU Cycles matching the hole will be passed on to the PCI bus instead of accessing the memory Normally you can disable this setting but if one of your devices needs it set it to enabled Values Meaning Disabled There is no memory hole Memory Hole at 15M 16M Enabled A memory hole exists between 15 and 16MB Delay Transaction Values Meaning Enabled Delay Transaction Disabled AGP...

Page 50: ...led Item Help IDE Primary Master PIO Enabled IDE Primary Slave PIO Auto IDE Primary Master UDMA Auto IDE Primary Slave UDMA Auto Menu Level Onchip Secondary PCIIDE Enabled IDE Secondary Master PIO Auto IDE Secondary Slave PIO Auto IDE Secondary Master UDMA Auto IDE Secondary Slave UDMA Auto USB Controller Enabled USB Keyboard Support Disabled USB Mouse Support Disabled All manuals and user guides ...

Page 51: ...0 save ESC Exit F1 General Help F5 Previous Values F6 Fail Safe Defaults F7 Optimized Defaults The screen is not as long on your monitor You can use the arrow keys to scroll up and down the page IDE Channel Settings The following table explains IDE channel settings and what they mean Values Meaning Enabled Enables the use of the first primary IDE channel Onchip Primary PCI IDE Disabled This will d...

Page 52: ...tem to disabled Enabled This will allow use of a USB keybaord USB Keyboard Support Disabled If you do not need a USB keyboard set this item to disabled Enabled This will allow use of a USB mouse USB Mouse Support Disabled If you do not need a USB mouse set this item to disabled Display Initialization Values Meaning PCI Slot The BIOS will first search for a VGA adapter on the PCI bus if one is foun...

Page 53: ...hen mouse right key dick KB Power On Password Enter Hot Key Power On Ctrl F1 Ctrl F12 COM ports Serial Ports Values Meaning Auto The bios will automatically use serial ports Disabled If you do not need the serial port in question set this item to disabled 3F8 IRQ4 2F8 IRQ3 3E8 IRQ4 Onboard serial port 1 2 2E8 IRQ3 Set an IO address and an IRQ to be used by serial ports IR Control Values Meaning No...

Page 54: ...r 3 Select either DMA channel 1 or 3 This is only relevant if ECP was selected above Default is channel 3 PWRON After PWR Fail Values Meaning Off Default On Power on when power fail PWRON After PWR Fail Former Sts If before power fail is power on off then turn on off PC MIDI Values Meaning 300 Set mpu401 port address at 300 330 Set mpu401 port address at 330 Midi Port Address Disabled Without midi...

Page 55: ...oftware Power Management Setup ACPI Function Enabled Item Help ACPI Suspend Type S1 POS Power Management User Define Menu Level Video Off Method DPMS Video Off In Suspend Yes Suspend Type Disabled MODEM Use IRQ 3 Suspend Mode Disabled HDD Power Down Disabled Soft Off by PWRBTN Instant Off CPU THRM Throttling 50 0 All manuals and user guides at all guides com ...

Page 56: ... User Define The three items below can be set by the user Min Saving The three items below are set to disabled 1 hour 1hour respectively Power Management Max Saving The three items below are set to disabled 1 min 1min respectively 1 15 Min Will power down the HDD if it is idle for the amount of minutes selected here HDD Power Down Disabled Will not power down the HDD 1 Min to 1 Hour Selecting a ti...

Page 57: ...dem Use IRQ 3 11 Select an IRQ line that will be assigned to your modem here Choose from 3 default 4 5 7 9 10 11 Power Button Values Meaning Instant off Switches the system off immediately when pressing the power button Soft off by power button Delay 4 Sec This requires you to press the power button for at least 4 seconds before the system switches off Wake Events Values Meaning Enabled Allow the ...

Page 58: ...Secondary IDE 0 1 Disablec Disabled this function FDD COM LPT Port Values Meaning Enabled FDD COM LPT Port Disabled Wake Events Values Meaning Enabled PCI PIRQ A D Disabled 4 3 6 PnP PCI Configurations Select the PnP PCI Configurations option from the Main Menu and press Enter key CMOS SETUP UTILITY Copyright 1984 2001 Award Software PnP PCI Configurations Reset Configuration Data Disabled Item He...

Page 59: ... Data IRQ 3 assigned to DMA 0 assigned to The user can adjust the shown items as required Resources Controlled By Auto The table will not show the above items and the system will automatically assign the above setup Resources If you set the Resources Controlled by item to Auto ESCD the BIOS will manage all resources for you If you set it to manual to two items below will allow you to assign the re...

Page 60: ...at the palette the VGA uses to display Some applications speed up with this setting but it is mostly obsolete 4 3 7 PC Health Status Select the PC Health Status option from the Main Menu and press Enter key CMOS SETUP UTILITY Copyright 1984 2001 Award Software PC Health Status CPU Warning Temperature Disabled Item Help Current CPU1 Temperature Current CPUFAN1 Speed Menu Level Current CPUFAN2 Speed...

Page 61: ... 127 56 133 60 140 63 145 66 151 70 158 Values Meaning Disabled Shutdown Temperature 60 140 65 149 70 158 75 167 4 3 8 Frequency Voltage Control Select the Frequency Voltage Control option from the Main Menu and press Enter key CMOS SETUP UTILITY Copyright 1984 2001 Award Software Frequency Voltage Control CPU Clock Radio X8 Item Help Auto Detect PCI Clk Enabled Spread Specrurm Disabled Menu Level...

Page 62: ...age and on the Advanced Chipset Features page Spread Spectrum Values Meaning 0 25 0 50 Spread Spectrum Disabled CPU Clock Values Meaning CPU Clock Min 100 Max 132 4 3 9 Passwords The BIOS Setup program allows you to specify passwords in the Main menu The passwords control access to the BIOS during system startup The passwords are not case sensitive In other words it makes no difference whether you...

Page 63: ...S SETUP UTILITY Copyright 1984 2001 Award Software Standard CMOS Features Frequency Voltage Control Advanced BIOS Features Load Optimized Defaults Advanced Chipset Features Set Supervisor Password Integrated Peripherals Set User Password Power Manag xit Setup PnP PCI Conf Enter Password ithout Saving Now you can enter your password after entering the password the menu will pop up again and will as...

Page 64: ...y erasing the CMOS RAM The RAM data containing the password information is powered by the onboard button cell battery Please refer to the CMOS RAM section earlier in this chapter After clearing the CMOS memory hold down Delete during bootup and enter BIOS setup to re enter user preferences Chapter 5 Appendix 5 1 Memory Map All manuals and user guides at all guides com ...

Page 65: ...er ROMs E0000 EEFFF 60K Available for UMB EF000 EFFFF 4K Video service routine for monochrome CGA adapter F0000 F7FFF 32K BIOS CMOS setup utility F8000 FCFFF 20K BIOS runtime service routine 2 FD000 FDFFF 4K Plug and play ESCD data area FE000 FFFFF 8K BIOS runtime service routine 1 5 2 I O Map 000 01F DMA controller master 020 021 Interrupt controller master 022 023 Chipset control registers I O p...

Page 66: ... Graphics adapter controller 2F8 2FF Serial port 2 360 36F Network ports 378 37F Parallel port 1 3B0 3BF Monochrome parallel port adapter 3C0 3CF EGA adapter 3D0 CDF CGA adapter 3F0 3F7 Floppy disk controller 3F8 3FF Serial port 1 5 3 Time DMA Channels Map Time map Timer channel 0 system timer interrupt Timer channel 1 DRAM refresh request Timer channel 2 speaker tone generator All manuals and use...

Page 67: ...sk SMC chip DMA channel 3 onboard ECP default DMA channel 4 cascade for DMA controller 1 DMA channel 5 available DMA channel 6 available DMA channel 7 available 5 4 Interrupt Map NMI non maskable interrupt IRQ H W 0 system timer interrupt from timer 0 All manuals and user guides at all guides com ...

Page 68: ...disk SMC chip 7 parallel port 1 8 RTC clock 9 available 10 available 11 available 12 PS 2 mouse 13 math coprocessor 14 onboard hard disk IDE1 channel 15 onboard hard disk IDE2 channel 5 5 RTC CMOS RAM Map RTC CMOS 00 seconds 01 seconds alarm 02 minutes 03 minutes alarm All manuals and user guides at all guides com ...

Page 69: ...ment type 15 base memory low byte 16 base memory high byte 17 extension memory low byte 18 extension memory high byte 19 2d 2e 2f 30 Reserved for extension memory low byte 31 reserved for extension memory high byte 32 date century byte 33 information flag 34 3f reserve 40 7f reserved for chipset setting data 5 6 ISA I O Address Map I O Address HEX I O device 000 01F DMA Controller 1 8237A 5 020 03...

Page 70: ...llel Printer Port 2 2B0 2DF Alternate Enhanced Graphic Adapter 2E1 GPIB Adapter 0 2E2 2E3 Data Acquisition Adapter 0 2F8 2FF Serial Port 2 RS 232 C 300 31F Prototype Card 360 363 PC Network Low Address 364 367 Reserved 368 36B PC Network High Address 36C 36F Reserved 378 37F Parallel Printer Port 1 380 38F SDLC Bisynchronous 2 3B0 3BF Monochrome Display and Printer Adapter I O Address HEX I O devi...

Page 71: ...2 AE3 Data Acquisition Adapter 2 B90 B93 Cluster Adapter 2 EE2 EE3 Data Acquisition Adapter 3 1390 1393 Cluster Adapter 3 22E1 GPIB Adapter 1 2390 2393 Cluster Adapter 4 42E1 GPIB Adapter 2 62E1 GPIB Adapter 3 82E1 GPIB Adapter 4 A2E1 GPIB Adapter 5 C2E1 GPIB Adapter 6 E2E1 GPIB Adapter 7 All manuals and user guides at all guides com a l l g u i d e s c o m ...

Page 72: ... plugged well the system makes longer and constant beep sounds 2 BIOS ROM checksum error It indicates the checksum of the BIOS code is not right and system will always halt on power on screen Contact the dealer to exchange a new BIOS 3 CMOS battery fails It indicates the CMOS battery does not work Contact the dealer to exchange a new battery 4 CMOS checksum error It indicates the CMOS checksum is ...

Page 73: ... pressed during power on self test 8 Memory test fails There will be more information to specify the type and location of the memory error 9 Primary master hard disk fail The BIOS find an error in the primary master hard disk drive 10 Primary slave hard disk fail The BIOS finds an error in the primary slave hard disk drive 11 Secondary master hard disk fail The BIOS finds an error in the secondary...

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