Siemens Nixdorf D841, D842 Technical Manual

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System boards D841, D842

ISA/PCI

The Intel Inside Logo is

Technical Manual of Intel Corporation

a registered trademark

Published by Siemens Nixdorf Informationssysteme AG 33094 Paderborn 81730 München

Order No.: A26361-D841-Z121-1-7619 Printed in the Federal Republic of Germany AG 1195 11/95

A26361-D841-Z121-1-7619

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Is there ...

... any technical problem or other ... anything you want to tell us question you need clarified? about this manual?

Please contact: – one of our IT Service Shops – your sales partner Siemens Nixdorf Informationssysteme AG – your sales office User Documentation Department

You will find the addresses of the IT Service Shops in the enclosed warranty booklet. Fax: (0 89) 6 36-4 04 43

Please send us your comments quoting the order number of the manual.

BS2000 OS ID4, Otto-Hahn-Ring 6, 81730 München, Germany

Page 3

Introduction

Important notes

System boards D841, D842

ISA/PCI

Technical Manual

November 1995 edition

Settings

Add-on modules

Interface assignment and IRQs

Error messages

Index

Your training needs . . .

The Siemens Nixdorf Training Centers offer you a wide range of training courses in information technology and on IT products and other subjects - onsite near to your workplace or offsite at one of our training centers.

Please write or fax: Siemens Nixdorf Informationssysteme AG

Training Center, Beratungsservice D-81730 München

Fax.: ..49 089 636-42945

Adaptec is a registered trademark of Adaptec Inc Intel and Pentium are registered trademarks and OverDrive is a trademark of Intel Corporation, USA. Microsoft, MS and MS-DOS are registered trademarks and Windows is a trademark of Microsoft Corporation. PS/2 is a registered trademark of International Business Machines, Inc. SCO and SCO UNIX are registered trademarks of Santa Cruz Operation. VESA and DPMS are registered trademarks of Video Electronics Standards Association. Copyright  Siemens Nixdorf Informationssysteme AG 1995 All rights, including rights of translation, reproduction by printing, copying or similar methods, even of parts are reserved. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. Delivery subject to availability; right of technical modifications reserved.

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Contents

Introduction 1

Explanation of symbols Features

Important notes

Notes on software

Settings

Setup menu

System Configuration page The System Security Options page Additional System Options page PCI Device Configuration page Additional Hard Disk Options page Power Management Configuration page

Switch block and jumper

BIOS recovery BIOS update Write protection for floppy disk drive Keyboard and pointing device

External cache

Add-on modules

Upgrading the processor Upgrading main memory

Installing memory modules

Removing a memory module Upgrading the video memory Replacing the lithium battery

1 2

9 10 13 19 22 24 27 30 31 31 31 32 32

34 35 36 36 37 38

Connector for Imageport 43 Connector for monitor Parallel interface

Pinout in SPP mode Pinout in EPP mode

Pinout in ECP mode Serial interface PS/2 mouse port PS/2 keyboard port Interrupt Request Levels and DMA channels

Error messages

Index

44 45 45 46 46 47 48 48 49

Interface pinouts and interrupts

Connector for 5 V power supply Connector for 3.3 V power supply Connector for soft-off power supply Connector for soft-off power switch Connector for external loudspeaker Connector for remote power-on Connector for LED indicators Connector for SCSI HD LED indicators Connector for external monitor controller (VESA VGA pass-through)

A26361-D841-Z121-4-7619

39 39 40 40 40 40 41 41 42

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Introduction

This description applies for the system boards D841 and D842 with PCI Bus (Peripheral Component Interconnect). Unless otherwise specified, the settings described apply for both system boards.

Explanation of symbols

The meanings of the symbols and fonts used in this manual are as follows:

This indicates instructions which it is essential to observe. Failure to do so may endanger your health, the operational integrity and electrical safety of

your PC, or the security of your data.

This symbol is followed by supplementary information, remarks and tips.

Texts which follow this symbol describe activities that must be performed in the

order shown.

This symbol means that you must enter a blank space at this point.

↵ This symbol means that you must press the Enter key.

Texts in this typeface are screen outputs from the PC.

Texts in this bold typeface are the entries you make via the keyboard.

Texts in italics indicate commands or menu items. "Quotation marks" indicate highlighted text and names of chapters.

Features

– 64-bit microprocessor Pentium with 16 Kbyte internal cache (first level cache;

8 Kbyte data cache, 8 Kbyte address cache)

or OverDrive processor for Pentium – Math coprocessor: integrated in processor – Memory configuration on system board: 8 Mbyte to 128 Mbyte RAM onboard – Second level cache on the system board: 256 Kbytes – PCI bus – Disk controller connected to PCI bus for up to four IDE drives

(e.g. fast IDE hard disk drives, IDE CD ROM drive) – Monitor controller connected to PCI bus; graphics processor

TSENG ET4000/W32P with Windows accelerator and 1 Mbyte or 2 Mbyte

DRAM video memory – Real-time clock/calendar with integrated battery backup – 128 Kbyte Flash BIOS – Floppy disk controller (up to 2.88 Mbyte format) – Bus interface for platter – Connector for external loudspeaker – Connector for external monitor controller (VESA VGA pass-through) – Image port – Parallel interface (ECP- and EPP-compatible) – Two serial interfaces

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– PS/2 mouse interface – PS/2 keyboard interface – Monitor interface – D842: Voltage converter

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Introduction

System board D841

1 = Monitor interface 14 = Location bank 1 for main memory 2 = Parallel interface 15 = Location bank 0 for main memory 3 = Serial interface (Ser 2) 16 = Connector for soft-off power switch 4 = Serial interface (Ser 1) 17 = Connector for LED indicators 5 = PS/2 mouse interface 18 = Connector for external 6 = PS/2 keyboard port loudspeaker 7 = Bus interface 19 = Socket for processor fan 8 = Connector for power supply 5 V 20 = Processor with heat sink 9 = Connector for power supply 3.3 V 21 = Lithium battery 10 = Connector for soft-off power supply 22 = Connector for LED indicator of 11 = Connector 1 for IDE drives 1 and 2 SCSI hard disk drive (e.g. hard disk drive) 23 = Imageport connector 12 = Connector 2 for IDE drives 3 and 4 24 = Sockets for video memory 13 = Connector for 25 = Connector for external monitor floppy disk drive controller

(VESA VGA Pass-Through) 26 = Switch block

System board D842

1 = Monitor interface 15 = Location bank 1 for main memory 2 = Parallel interface 16 = Location bank 0 for main memory 3 = Serial interface (Ser 2) 17 = Connector for soft-off power switch 4 = Serial interface (Ser 1) 18 = Connector for LED indicators 5 = PS/2 mouse interface 19 = Connector for external 6 = PS/2 keyboard port loudspeaker 7 = Bus interface 20 = Socket for processor fan 8 = Connector for power supply 5 V 21 = Processor with heat sink 9 = Connector for remote power-on 22 = Voltage converter 10 = Connector for power supply 3.3 V 23 = Connector for LED indicator of 11 = Connector for soft-off power supply SCSI hard disk drive 12 = Connector 1 for IDE drives 1 and 2 24 = Imageport connector (e.g. hard disk drive) 25 = Sockets for video memory 13 = Connector 2 for IDE drives 3 and 4 26 = Lithium battery 14 = Connector for 27 = Connector for external monitor floppy disk drive controller

(VESA VGA Pass-Through) 28 = Switch block

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Possible screen resolution

The screen resolutions in the following table refer to the monitor controller on the system board.

If you are using an external monitor controller, you will find details of supported screen resolutions in the Operating Manual or Technical Manual supplied with the controller.

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Introduction

You can use the REFRATE program (under Windows 95), the WDSETUP program (under MS-Windows) or the SET-VGA program (under MS-DOS) to set the screen resolution. Detailed information is provided in the corresponding help.

You may set only those resolutions and refresh rates specified in the "Technical data" section of the monitor description. Otherwise you may

damage your monitor. If you are in any doubt, contact your sales office or customer service.

Screen Refresh Horizontal Max. number resolution rate (Hz) rate (kHz) of colors

640x350 70 31,5 16 640x350 84 38 16 640x480 60 31,5 16777216 640x480 75 38 16777216 640x480 90 48 65536 720x400 70 31,5 16 720x400 84 38 16 800x600 56 35 16777216 *) 800x600 56 35 65536 800x600 60 38 16777216 *) 800x600 60 38 65536 800x600 75 47 65536 800x600 90 60 256 1024x768 87 interlaced 36 65536 *) 1024x768 87 interlaced 36 256 1024x768 60 49 65536 *) 1024x768 60 49 256 1024x768 70 57 256 1024x768 75 60 256 1280x1024 87 interlaced 49 256 *) 1280x1024 87 interlaced 49 16 1280x1024 60 64 256 *) 1280x1024 75 80 256 *)

*) Only with 2 Mbyte of video memory

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Important notes

Be sure to read this page carefully and note the information before you open the PC.

Please note the information provided in the chapter "Safety" in the Operating Manual of the PC.

Incorrect replacement of the lithium battery may lead to a risk of explosion. It is therefore essential to observe the instructions in the section "Add-on modules - Replacing the lithium battery". The lithium battery must be replaced with an identical battery or a battery type recommended by the manufacturer (CR2032). Do not throw lithium batteries into the trashcan. Your vendor or dealer or their authorized representatives will take used batteries back free of charge so that they can be recycled or disposed of in the proper manner.

ADVARSEL

Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering. Udskiftning må kun ske med batteri af samme fabrikat og type. Lever det brugte batteri tilbage

til leverandøren.

ADVARSEL

Eksplosjonsfare ved feilaktig skifte av batteri. Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten. Brukte batterier

kasseres i henhold til fabrikantens instruksjoner.

VARNING

Eksplosionsfara vid felaktigt batteribyte. Använd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkarenfabrikanten.

Kassera använt batteri enligt fabrikantens instruktion.

VAROITUS

Paristo voi räjähtää, jos se on virheellisesti asennettu. Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin. Hävitä käytetty paristo

valmistajan ohjeiden mukaisesti.

Modules with electrostatic sensitive devices (ESD) may be identified by labels.

When you handle modules fitted with ESDs, you must observe the following points under all circumstances:

– When you handle modules fitted with ESDs, you must always discharge yourself

(e.g. by touching a grounded object) before working. – The equipment and tools you use must be free of static charges. – Pull out the power plug before inserting or pulling out modules containing ESDs. – Always hold modules with ESDs by their edges. – Never touch pins or conductors on modules fitted with ESDs.

Notes on software

Program with time loops

Problems can occur with programs in which time loops have been implemented through software loops. This applies in particular to older programs which were written for 8 MHz processors.

SCO-UNIX on devices with pentium or OverDrive processor

If you upgrade the system board by adding a processor mentioned above, please note the following: If you use the processor mentioned above, the Adaptec-SCSI controller cannot be addressed under SCO-UNIX 3.2.4 and ODT 2.0. To solve this problem, you can order from SCO a set of SLS (Support Level Supplement) floppies (consisting of 3 floppy disks) under the number uod361, free of charge, or contact

The problem no longer exists in the new releases of SCO-UNIX 3.2.4.2 and ODT 2.1. There will be no support for older versions (SCO-UNIX versions lower than 3.2.4 and ODT versions lower than 2.0).

one of our IT Service Shops.

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Settings

You can make settings in the setup menu or using the switch block on the system board. The system board D842 has additional jumpers.

Setup menu

The setup menu displays settings and technical information on the PC's configuration. The Operating Manual describes how to call the setup menu and change menu entries. Pressing the function key each entry field.

The setup menu consists of the following screen pages:

System Configuration System Security Options Additional System Options PCI Device Configuration Additional Hard Disk Options Power Management Configuration

F1 provides help information on

System Configuration page

CMOS Setup System Configuration

--------------------------------------------------------------------------Time (hh:mm:ss) 08:38:27 Date (mm/dd/yy) 08/13/1993 Diskette A: 1.4M

Diskette B: NONE Cyl Hd Pre LZ Sec Mbyte

Hard Disk 1: NONE Hard Disk 2: NONE Hard Disk 3: NONE Hard Disk 4: NONE

Base Memory: 640K Video Display: EGA/VGA Extended Memory: 15360K Speed Select: HIGH

Error Halt: HALT ON ALL ERRORS

--------------------------------------------------------------------------<F1> Help <F8> System info <F10> Store CMOS <Esc> Exit Page

<...> Edit field <↑↓←→> Next field <PgUp> Next page <Ctrl> ... 01

Example of the System Configuration page

Time Date

The Time field and the Date field show the time and date respectively according to the PC. The time is shown in the format hh:mm:ss (hours:minutes:seconds) and the date is shown in the format mm/dd/yy (month/day/year).

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If the settings in the Time and Date fields are frequently wrong when you power up the computer, the lithium battery is dead. Change the

battery as described in "Add-on modules - Replacing the lithium battery").

Diskette A Diskette B

These two fields are used to specify the type of floppy disk drive installed. The possible settings are: 360K, 1.2M, 720K, 1.4M, 2.8M or NONE.

Default entry for Diskette A: 3 1/2-inch floppy drive 1.4M 5 1/4-inch floppy drive 1.2M Default entry for Diskette B: NONE

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Settings

Hard Disk 1 Hard Disk 2 Hard Disk 3 Hard Disk 4

These fields are used to indicate the types of hard disks installed. The entries here may possibly not match the information printed on the hard disk drive by the manufacturer. The maximum transfer rate of two IDE drives connected to the same connector is determined by the slower of the two. Fast hard disks should therefore be connected to the first IDE connector and identified as Hard Disk 1 or Hard Disk 2; slower hard disks should be connected to the second IDE connector and identified as Hard Disk 3 or Hard Disk 4. Possible settings: 1 through 43, AUTO or NONE.

Do not alter the default settings unless you mount a different hard disk

drive. If the wrong hard disk type is entered, the operating system cannot be loaded.

Special entries for the hard disk type: Entry for SCSI hard disks: NONE Entry for ESDI hard disks: 1

1 through 39

The hard disk parameters (cylinders, heads, etc.) for types 1 through 39 are preset.

40 through 43

The hard disk parameters (cylinders, heads, etc.) for types 40 through 43 are user-defined and are entered at the keyboard.

AUTO

If the hard disk supports this mode, the setup menu reads the hard disk parameters from the disk itself and sets them automatically. You do not need to select the parameters yourself.

NONE

The computer either has no hard disk or is fitted with a SCSI hard disk.

Default entry for Hard Disk 1: depends on the type of hard disk installed Default entry for Hard Disk 2, 3, 4: NONE

Base Memory

This field indicates the size of the available base memory below 1 Mbyte.

512K

A module needs the memory between 512 and 640 Kbyte.

640K

The memory is used by the system board.

Default entry: 640K

Extended Memory

This field indicates the size of the memory above 1 Mbyte. You can reduce the size of extended memory if necessary.

Video Display

This field is used to specify the type of monitor connected. Possible entries are: EGA/VGA, COLOR 40, COLOR 80, MONO.

Default entry: EGA/VGA

Examples of user-defined entries (IDE drives) Size Cyl Hd Pre* Lz* Sec Mbyte

120 Mbyte: 762 8 NONE 762 39 121 170 Mbyte: 904 8 NONE 904 46 170 210 Mbyte: 683 16 NONE 683 38 212 340 Mbyte: 904 16 NONE 904 46 340 540 Mbyte: 1048 16 NONE 1048 63 542 1 Gbyte: 2079 16 NONE 2079 63 1080

* These values are preset and cannot be modified.

In LBA mode different values may be displayed here.

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Speed Select

This field is used to specify the system speed set at system startup. You might, for example, need to select a slower speed for certain software programs that use programmed time loops.

HIGH

Full system speed

LOW

Reduced system speed.

Default entry: HIGH

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Settings

Error Halt

This field is used to specify which errors the self-test should not report. The default setting should only be changed if required by special applications.

HALT ON ALL ERRORS

The self-test reports all errors it encounters.

NO KEYBOARD ERROR HALT

The self-test ignores keyboard errors.

NO DISK ERROR HALT

The self-test ignores floppy disk and hard disk errors.

NO KEYBOARD OR DISK HALT

The self-test ignores keyboard, floppy disk and hard disk errors.

NO HALT ON ANY ERRORS

The self-test ignores all errors.

Default entry: HALT ON ALL ERRORS

The System Security Options page

CMOS Setup System Security Options

--------------------------------------------------------------------------Time (hh:mm:ss) 08:38:27 Date (mm/dd/yy) 08/13/1993

System Load: STANDARD Security Features: DISABLED

Serial 1: COM1 (3F8h) Diskette Write: ENABLED Serial 2: COM2 (2F8h) Diskette Ctrlr: ENABLED

Parallel: LPT1 (378h) Setup Prompt: ENABLED Par Mode: PRINTER Quick Load: DISABLED Virus Warning: DISABLED Mouse Ctrlr ENABLED Flash Write: ENABLED

--------------------------------------------------------------------------<F1> Help <F8> System info <F10> Store CMOS <Esc> Exit Page

<+ -> Select item <↑↓←→> Next field <PgUp> Next page <Ctrl> ... 02

date according to the PC.

System Load

This field allows you to disable booting from floppy disk or swap the drive letters assigned to the floppy disk drives.

STANDARD

The operating system can be loaded from floppy disk or hard disk.

NONSTANDARD

System start-up is controlled by the operating system (terminal emulation).

DISKETTE LOCK

The operating system can only be loaded from hard disk.

DISKETTE SWAP

Drives A and B are switched.

Default entry: STANDARD

Security Features

This field allows you to define a password to prevent access to the data in your PC.

DISABLED

No passwords are in effect.

SYSTEM AND SETUP LOCK

The setup menu and the operating system are protected by passwords.

SETUP LOCK

The setup menu is protected by a password.

KEYBOARD AND SETUP LOCK

The setup menu is protected and the keyboard and the mouse are locked by passwords.

CHANGE PASSWORD

This option is only displayed if a password has already been defined. It enables you to alter the password.

Default entry: DISABLED

Example of the System Security Options page

Time / Date

The Time field shows the current time and the Date field shows the current

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Settings

Serial 1

The address and the interrupt used to access serial interface 1 are selected here.

COM1 (3F8h)

Serial interface 1 is set to the address 3F8h and IRQ4 (edge-triggered).

COM3 (3E8h)

Serial interface 1 is set to the address 3E8h and IRQ4 (edge-triggered).

DISABLED

Serial interface 1 is disabled.

Default entry: COM1 (3F8h)

Serial 2

The address and the interrupt used to access serial interface 2 are selected here.

COM2 (2F8h)

Serial interface 2 is set to the address 2F8h and IRQ3 (edge-triggered).

COM4 (2E8h)

Serial interface 2 is set to the address 2E8h and IRQ3 (edge-triggered).

DISABLED

Serial interface 2 is disabled.

Default entry: COM2 (2F8h)

Parallel

The address and the interrupt used to access the parallel interface are selected here.

LPT1 (378h)

The parallel interface is set to the address 378h and IRQ7.

LPT2 (278h)

The parallel interface is set to the address 278h and IRQ5.

LPT3 (3BCh)

The parallel interface is set to the address 3BCh and IRQ7.

DISABLED

The parallel interface is disabled.

Default entry: LPT1 (378h)

Par Mode

This field is used to specify whether the parallel interface is to be used as a bidirectional input/output port or just as an output port. In addition, LPT1 and LPT2 can be configured for ECP, EPP, and ECP and EPP transfer modes, which allow transfer rates of 2 and 2.4 Mbyte/s. These modes will only work with peripheral devices which also support them.

PRINTER

The port functions as an output port only.

BIDIRECTION

Data can be transferred in both directions across the port.

EPP

Enhanced Parallel Port transfer mode.

ECP

Enhanced Capability Port transfer mode.

ECP AND EPP

Enhanced Capability and Enhanced Parallel Port transfer mode.

Default entry: PRINTER

Mouse Ctrlr

This field is used to enable and disable the built-in mouse controller on the system board.

ENABLED

The mouse controller is enabled (IRQ12 used).

DISABLED

The mouse controller is disabled (IRQ12 free).

Default entry: ENABLED

Flash Write

This field is used to write-protect the flash BIOS.

ENABLED

The flash BIOS can be written or deleted, provided switch 3 on the system board is set to OPEN.

DISABLED

The flash BIOS cannot be written. The BIOS cannot be flash-upgraded from floppy disk.

Default entry: ENABLED

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Settings

Diskette Write

This field is used to enable and disable floppy disk write-protection.

ENABLED

Floppy disks can be read, written or deleted, provided switch 4 on the system board is set to OPEN.

DISABLED

Floppy disks can only be read.

Default entry: ENABLED

Diskette Ctrlr

This field is used to enable and disable the built-in floppy disk controller on the system board.

ENABLED

The floppy disk controller is enabled.

DISABLED

The floppy disk controller is disabled.

Default entry: ENABLED

Setup Prompt

This field specifies whether the F2 FOR SETUP prompt is displayed when the PC is started.

ENABLED

The F2 FOR SETUP prompt is displayed when the system is started.

DISABLED

The prompt is not displayed.

Default entry: ENABLED

Quick Load

This field allows you to shorten the duration of the self-test and speed up system start-up. If you choose the quick self-test option, only a minimum memory test is carried out.

ENABLED

The quick self-test is enabled.

DISABLED

The normal self-test is carried out.

Default entry: DISABLED

Virus Warning

This field enables and disables a check of the boot sector on the bootable hard disk for changes since the last system start-up. If changes are detected and the cause is unknown, you should run an appropriate virus checker to check for a virus.

ENABLED

If the boot sector has been modified since the system last booted (e.g,. a new operating system version has been installed or the hard disk has been infected by a virus), an on-screen warning appears.

!!! HARD DISK WARNING !!! Boot sector has been modified. Confirm the new boot sector in SETUP, and run a virus scan program.

This warning is re-displayed each time you restart the system until you

acknowledge the message with CONFIRM or you disable the function by setting this field to DISABLED.

CONFIRM

By selecting this option, you indicate to the system that the modification to the boot sector was intentional (e.g., you have installed a new operating system version).

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DISABLED

Boot sectors are not checked.

Default entry: DISABLED

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Settings

Additional System Options page

CMOS Setup Additional System Options

--------------------------------------------------------------------------Time (hh:mm:ss) 08:38:27 Date (mm/dd/yy) 08/13/1993

System BIOS: 128K Shadow BIOS ROM: SYSTEM AND VIDEO BIOS C800 CC00 D000 D400 D800 DC00 Shadow Adaptor ROM: NO NO NO NO NO NO

Cache: INTERN AND EXTERN Cache Mode: WRITE BACK Cache BIOS ROM: VIDEO BIOS ONLY C800 CC00 D000 D400 D800 DC00 Cache Adaptor ROM: NO NO NO NO NO NO

--------------------------------------------------------------------------<F1> Help <F8> System info <F10> Store CMOS <Esc> Exit Page

<+ -> Select item <↑↓←→> Next field <PgUp> Next page <Ctrl> ... 03

Example of the Additional System Options page

Time / Date

The Time field shows the current time and the Date field shows the current date according to the PC.

System BIOS

In this field you can make available a ROM address area of 32 Kbytes for requests via the ISA/PCI bus (e.g., SCSI BIOS).

96K

A 96-Kbyte area (E8000H - FFFFFH) is reserved for the system BIOS. A 32-Kbyte area (E0000H - E7FFFH) is available for requests via the ISA/PCI bus.

128K

A 128-Kbyte area (E0000H - FFFFFH) is reserved for the system BIOS.

Default entry: 128K

Shadow BIOS ROM

This field allows you to copy the video BIOS to fast RAM in addition to the system BIOS at system start-up. Copying the BIOS to RAM increases CPU performance.

SYSTEM AND VIDEO BIOS

The system BIOS and the video BIOS are both copied to RAM area C0000H - C7FFFH (video BIOS) and F0000H - FFFFFH (system BIOS).

SYSTEM BIOS ONLY

Only the system BIOS is copied to RAM area E8000H - FFFFFH.

Default entry: SYSTEM AND VIDEO BIOS

Shadow Adaptor ROM

This field allows you to copy 16-Kbyte adaptor ROMs to RAM. If ROM code executes from RAM it increases your PC's performance. The ROM of PCI adaptors is always copied to RAM, regardless of the setting in this field.

The relevant ROM area is not copied to RAM.

YES

The relevant ROM area is copied to RAM.

Default entry: NO

Cache

This field is used to specify which cache memory the CPU should use. Cache memory greatly increases performance. If the system runs too fast for certain older software, you can slow it down by disabling the cache (DISABLED).

INTERN ONLY

Only the internal cache is enabled.

INTERN AND EXTERN

The internal cache and the external cache are enabled.

DISABLED

Both the internal cache and the external cache are disabled. All cacherelated settings are then without effect.

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Default entry: INTERN AND EXTERN

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Settings

Cache Mode

Condition: Cache must be enabled. Cache Mode sets the mode in which the CPU uses the cache; write

operations to the cache are carried out either in write-back mode or writethrough mode. In write-back mode the CPU writes information to the cache and the information is only written to main memory if necessary. Memory and cache contents are not identical. In write-through mode the processor writes the information to the cache and to main memory. The contents of memory and cache are identical.

WRITE BACK

The cache works in write-back mode.

WRITE THROUGH

The cache works in write-through mode.

Default entry: WRITE BACK

Cache BIOS ROM

Condition: Cache must be enabled. Cache BIOS ROM lets you specify BIOS ROM areas that should also be

mapped to the cache in addition to main memory.

SYSTEM BIOS ONLY

The system BIOS is mapped to the cache.

VIDEO BIOS ONLY

The video BIOS is mapped to the cache.

Cache Adaptor ROM

Condition: Cache must be enabled. Cache Adaptor ROM allows you to specify whether the relevant 16-Kbyte ROM

area should be mapped to the cache. Mapping the ROM area to RAM increases system performance.

The relevant ROM area is not mapped to the cache.

YES

The relevant ROM area is mapped to the cache.

Default entry: NO

PCI Device Configuration page

CMOS Setup PCI Device Configuration

--------------------------------------------------------------------------Time (hh:mm:ss) 08:38:27 Date (mm/dd/yy) 08/13/1993 Memory Base Address: 44000000h Color Palette Snoop: DISABLED

I/O Base Address: D000h Parity Checking: ENABLED

INTA# INTB# INTC# INTD# PCI Interrupt Mapping: AUTO AUTO AUTO AUTO

SYSTEM AND VIDEO BIOS

The system BIOS and the video BIOS are mapped to the cache.

DISABLED

BIOS ROM areas are not mapped to the cache.

Default entry: SYSTEM AND VIDEO BIOS

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--------------------------------------------------------------------------<F1> Help <F8> System info <F10> Store CMOS <Esc> Exit Page

<...> Select item <↑↓←→> Next field <PgUp> Next page <Ctrl> ... 04

Example of the PCI Device Configuration page

Time / Date

The Time field shows the current time and the Date field shows the current date according to the PC.

Memory Base Address

This field shows the base address used to map memory areas of PCI boards.

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Settings

I/O Base Address

This field shows the base address for PCI adapter input/output operations.

Color Palette Snoop

This field is used to specify whether setting of the color palette is to be available on the ISA bus.

ENABLED

Setting of the color palette is available simultaneously on the PCI bus and the ISA bus. This setting can be of relevance when operating video or multimedia boards on the ISA bus.

DISABLED

Setting of the color palette is only available on the PCI bus.

Default entry: DISABLED

Parity Checking

Here you specify whether the PCI bus is to be parity-checked.

ENABLED

A parity check is performed on the PCI bus.

DISABLED

No parity check is performed on the PCI bus.

Default entry: ENABLED

PCI Interrupt Mapping

Here you specify which PCI interrupt is to be mapped to which ISA interrupt. With multifunctional PCI adaptor boards you may use all PCI interrupts. If you need ISA interrupts you must set the unused PCI interrupts to NONE. The onboard controllers connected to PCI bus do not use any PCI interrupt. The PCI interrupts INTA# and INTB# are normally assigned as follows: PCI slot 1 = INTA#, PCI slot 2 = INTB#

Possible entries: NONE, AUTO, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15 Default entry: INTA# AUTO

INTB# AUTO INTC# AUTO INTD# AUTO

Additional Hard Disk Options page

CMOS Setup Additional Hard Disk Options

--------------------------------------------------------------------------Time (hh:mm:ss) 08:38:27 Date (mm/dd/yy) 08/13/1993

Hard Disk Ctrlr: ENABLED Transfer Mode LBA Translation Power Down

Hard Disk 1: STANDARD DISABLED DISABLED Hard Disk 2: STANDARD DISABLED DISABLED Hard Disk 3: STANDARD DISABLED DISABLED Hard Disk 4: STANDARD DISABLED DISABLED

--------------------------------------------------------------------------<F1> Help <F8> System info <F10> Store CMOS <Esc> Exit Page

<+ -> Select item <↑↓←→> Next field <PgUp> Next page <Ctrl> ... 05

Example of the Additional Hard Disk Options page

Time / Date

The Time field shows the current time and the Date field shows the current date according to the PC.

Hard Disk Ctrlr

This fields allows you to enable and disable the built-in IDE hard disk controller. The associated interrupt will only be available if no hard disk is physically connected.

ENABLED

The IDE hard disk controller is enabled.

DISABLED

The IDE hard disk controller is disabled.

Default entry: ENABLED

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Settings

Hard Disk 1: Transfer Mode Hard Disk 2: Transfer Mode Hard Disk 3: Transfer Mode Hard Disk 4: Transfer Mode

Here you specify the transfer rate for the IDE hard disks.

STANDARD

The system transfers 512 bytes per interrupt

AUTO SELECT

If fast hard disks are installed, the highest possible transfer rate is selected. If the hard disk supports this mode, the setup menu prompts for the maximum number of blocks to be transferred per interrupt. The maximum is 32 blocks of 512 bytes each. In addition, the hard disk's PIO modes 0 through 4 (Processor Input Output modes) are used.

8K BLOCK XFER

Eight Kbytes are transferred per interrupt.

Default entry: STANDARD

Hard Disk 1: LBA Translation Hard Disk 2: LBA Translation Hard Disk 3: LBA Translation Hard Disk 4: LBA Translation

This field enables and disables the LBA (Logical Block Addressing) mode. LBA mode allows you to install and use hard disks with a capacity of more than 528 Mbytes. If a hard disk supports LBA mode, you can use its full capacity.

AUTO SELECT

If the hard disk supports LBA and it has a capacity of more than 528 Mbytes, the BIOS translates the hard disk parameters, allowing the disk's

full capacity to be used. If the hard disk does not support LBA, its parameters are not translated. Default entry: depends on the hard disk type installed

Hard Disk 1: Power Down Hard Disk 2: Power Down Hard Disk 3: Power Down Hard Disk 4: Power Down

Here you specify the period of hard disk inactivity after which the hard disk's motor is power down. The next hard disk read or write operation powers up the hard disk again automatically. The hard disk requires roughly 15 seconds to run up. Possible entries: DISABLED, 5 min, 10 min, 15 min

Default entry: DISABLED (the hard disk does not power down)

You may only use IDE drives in the LBA mode selected when they were set up. In other words, if you set up a hard disk with LBA mode

DISABLED, you may only operate the hard disk with LBA mode DISABLED.

DISABLED

The BIOS uses the hard disk parameters and supports a maximum capacity of 528 Mbytes.

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Settings

Power Management Configuration page

CMOS Setup Power Management Configuration

--------------------------------------------------------------------------Time (hh:mm:ss) 08:38:27 Date (mm/dd/yy) 08/13/1993

Standby Timeout: DISABLED Wakeup Timer: 00:00:00

Standby Function Wakeup Event Video: ENABLED System Tic: DISABLED Hard Disk: ENABLED Mouse: ENABLED CPU Speed: LOW IRQ09: DISABLED Hard Disk 4: STANDARD IRQ10: DISABLED IRQ11: DISABLED

--------------------------------------------------------------------------<F1> Help <F8> System info <F10> Store CMOS <Esc> Exit Page

<+ -> Select item <↑↓←→> Next field <PgUp> Next page <Ctrl> ... 06

Example of the Power Management Configuration page

Time / Date

The Time field shows the current time and the Date field shows the current date according to the PC.

Standby Timeout

Here you specify the period of inactivity after which the system switches to standby mode. Possible entries: DISABLED, 1 min, 2 min, 5 min, 10 min, 15 min, 30 min, 60 min

Default entry: DISABLED (the system does not switch to standby mode)

Wakeup Timer

Here you specify the time at which the system returns to its normal operating mode from standby mode.

DISABLED

The monitor remain switched on.

ENABLED

The monitor is switched off. Default entry: ENABLED

Hard Disk

Here you enable and disable the hard disk controller's standby mode.

DISABLED

The hard disk controller remains on.

ENABLED

The hard disk controller shuts itself down. Default entry: ENABLED

CPU Speed

System board D841: This field is always set to HIGH.

System board D842: This field allows you to specify the CPU speed in standby mode.

HIGH

The CPU runs at the highest clock speed.

REDUCED

The CPU runs at a reduced clock speed.

LOW

The CPU runs at the lowest clock speed.

STOPPED

The CPU stops. This mode saves the most power. However, any

programs running are also placed in standby mode. Default entry: HIGH

Default entry: 00:00:00 (the function is disabled)

Standby Function

Video

This field allows you to enable and disable the video controller's standby function. You should only enable this function if both video controller and display support the power-saving function.

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Wakeup Event

This field defines the source of the wakeup event that switches the system back into its normal operating mode from standby mode.

Certain wakeup events only return the system board to its normal operating

mode, but not the display.

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Settings

System Tic

You should only use this option in connection with special applications. The System Tic-Modus generates an interrupt every 55 ms and would normally cause the system to return instantly to its normal operating mode.

DISABLED

The System Tic is ignored.

ENABLED

The System Tic switches the system board back to its normal operating mode.

Default entry: DISABLED

Mouse

Condition: The mouse must be connected to the PS/2 mouse port.

DISABLED

Mouse movement is ignored.

ENABLED

Moving the mouse switches the system back into its normal operating mode.

Default entry: ENABLED

IRQ09 IRQ10 IRQ11

All hardware interrupts not included here always switch the system board back to its normal operating mode. The hardware interrupts IRQ1 (keyboard), IRQ3 and IRQ4 also reactivate the display.

DISABLED

The relevant hardware interrupt is ignored.

ENABLED

The relevant hardware interrupt switches the system board back to its normal operating mode.

Switch block and jumper

D841

D842

Switch 1 = BIOS recovery X507 = Jumper for keyboard and Switch 2 = Service pointing device Switch 3 = BIOS update Switch 4 = Floppy disk write-protection

Switch 2 must always be set to OPEN.

1 3 5

X507

2 4 6

Default entry: DISABLED

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Settings

BIOS recovery

Switch 1 enables recovery of the old BIOS after an attempt to update it has failed. To restore the old BIOS you need a recovery disk (call customer service).

If BIOS recovery is possible, the BIOS executes from floppy drive A: and restores the flash BIOS.

BIOS recovery = switch 1 set to ON Normal operation = switch 1 set to open

Default setting:

Switch 1 set to open = normal operation

BIOS update

If you wish to update your system BIOS, please consult customer service.

Switch 3 enables and disables BIOS updating. In addition, when updating the BIOS you must ensure that Flash Write is set to ENABLED in the System Security Options setup menu.

BIOS updating disabled = switch 3 set to ON BIOS updating enabled = switch 3 set to OPEN

Default setting:

Switch 3 set to OPEN = BIOS updating enabled

Keyboard and pointing device

The setting of jumper X507 on the system board D842 depends on which keyboard or pointing device you want to use.

Keyboard (with/without power switch) and mouse = jumper is set to 1-3 and 4-6 Keyboard (without power switch, with integrated trackball) =

jumper is set to 3-5 and 2-4

Keyboard (without power switch, with integrated trackball) and mouse =

jumper is set to 1-3

Default setting:

depends on the type of keyboard and pointing device used

External cache

The system board is equipped with 256 Kbytes of external cache. To ensure optimum benefit from the external cache, make the following settings in the setup menu:

– Speed Select: HIGH – Shadow BIOS ROM: SYSTEM AND VIDEO BIOS – Cache: INTERN AND EXTERN – Cache BIOS ROM: SYSTEM AND VIDEO BIOS

Write protection for floppy disk drive

Switch 4 is used to define whether floppy disks can be written or deleted in the floppy disk drive. To write and delete floppy disks, the field Diskette Write must be set to ENABLED in the System Security Options setup menu.

Read only floppy disks = switch 4 is set to ON Read, write and delete floppy disks = switch 4 is set to OPEN

Default setting:

Switch 4 is set to OPEN = read, write and delete floppy disks enabled

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Add-on modules

D841

D842

1 = Connector 2 for IDE drives 3 and 4 a = Connector remote power-on 2 = Location bank 1 for main memory b = Connector 2 for IDE drives 3 and 4 3 = Location bank 0 for main memory c = Location bank 1 for main memory 4 = Connector for external loudspeaker d = Location bank 0 for main memory 5 = Connector for processor fan e = Connector for external loudspeaker 6 = Socket for processor f = Connector for processor fan 7 = Lithium battery g = Socket for processor 8 = connector Imageport h = Location voltage converter 9 = Socket for video memory i = Connector Imageport 10 = Connector for external j = Socket for video memory monitor controller k = Lithium battery (VESA VGA pass through) l = Connector for external

monitor controller (VESA VGA pass through)

Upgrading the processor

D841

D842

Push the lever in the direction of the arrow (1) and lift it as far as it will go (2). Remove the old processor from the socket (3). Insert the new processor in the socket so that the mark on the upper side of the

processor matches the mark (A) on the socket (4).

The mark on the processor may be covered by a heat sink. In this case let yourself be guided by the marking in the rows of pins on the underside of

the processor.

Push the lever back down so that it snaps into place (5).

If the power consumption of the new processor is different from that of the

old processor, you must also exchange the voltage converter on the system board D842.

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Add-on modules

Replacing the voltage converter

Carefully push the retaining clips at each end of the voltage converter outwards

(1).

Tilt the voltage converter in the direction of the arrow (2) and pull it at an angle

out of the location (3).

Insert the voltage converter at an angle into the location (4).

Ensure that the key notch on the voltage converter is correctly aligned with the retaining pins.

Tilt the voltage converter in the direction of the arrow (5) until it snaps into place.

Installing memory modules

Insert the memory module at angle into the appropriate location (1).

Ensure that the key notch and the two holes are correctly aligned with the retaining pins.

Tilt the module down until it snaps into place (2).

Removing a memory module

Upgrading main memory

Four locations (bank 0 and bank 1) are available on the system board for installing memory modules. The board supports a maximum of 128 Mbytes. You may use memory modules of 4, 8, 16 or 32 Mbyte.

You may only use fast memory modules (access time = 70ns or less).

You must always add memory modules in pairs. In other words, you fit the first pair to Bank 0 and Bank 1, and the second pair to Bank 2 and Bank 3. Pairs of memory modules must have the same capacity and the same access time.

A26361-D841-Z121-4-7619 35

Carefully push the retaining clips at each end of the module outwards (1). Tilt the module upwards (2) and pull it at an angle out of the location (3).

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Add-on modules

Upgrading the video memory

If your PC is supplied with a video memory configuration of 1 Mbyte, you may enlarge the video memory up to 2 Mbytes.

Information on which DRAM components (DRAM 256K*16 16ns) you can use is available from your sales office or the customer service.

Note the location of the DRAM chip when you plug in DRAM chip!

Insert the DRAM component in such a way that the mark on the upper side of

the DRAM component matches the position of the mark on the socket.

In order to be able to use the screen resolution, refresh rate and number of

colors available for a 2-Mbyte video memory, you must set the appropriate screen display (e.g. using WDSETUP under MS-Windows or REFRATE under Windows 95).

Replacing the lithium battery

Please note the information provided in the chapter "Important notes" in this manual.

Incorrect replacement of the lithium battery may lead to a risk of explosion. The lithium battery must be replaced with an identical battery or a battery type recommended by the manufacturer (CR2032). Do not throw lithium batteries into the trashcan. Your vendor or dealer or their authorized representatives will take used batteries back free of charge so that they can be recycled or disposed of in the proper manner. Make sure that you insert the battery the right way round. The plus pole must be on the top.

Lift the contact (1) a few millimeters and remove the battery from its socket (2). Insert a new lithium battery of the same type in the socket (3).

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Interface pinouts and interrupts

Connector for 5 V power supply

Pin Meaning

1 Power good 2 +5 V

Connector for 3.3 V power supply

3 +12 V 4 -12 V 5 0 V 6 0 V 7 0 V 8 0 V 9 -5 V 10 + 5 V 11 + 5 V 12 + 5 V

Pin Meaning

1 0 V 2 0 V 3 0 V 4 + 3.3 V 5 + 3.3 V 6 + 3.3 V

Connector for soft-off power supply

Pin Meaning

1 +5 V (auxiliary voltage) 2 Power Supply ON 3 0 V

Connector for soft-off power switch

Pin Meaning

1 +5 V (auxiliary voltage) 2 Power switch input

Connector for external loudspeaker

Pin Meaning

1 loudspeaker 2 coded 3 0 V 4 +5 V

Connector for remote power-on

Pin Meaning

A26361-D841-Z121-4-7619 39

1 0 V 2 Remote power-on

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Interface pinouts and interrupts

Connector for LED indicators

The entries in parentheses apply for the system board D842.

Pin Signal name

D841

D842

1 System unit ON 2 (3) not used (enable power supply) 3 (5) coded 4 (7) not used (auxiliary voltage) 5 (9) Reset switch 6 (11) +5 V 7 (2) 0 V 8 (4) 0 V (not used) 9 (6) coded 10 (8) 0 V (not used) 11 (10) 0 V 12 Hard disk drive LED

Connector for SCSI HD LED indicators

Pin Meaning

1 not used 2 SCSI Hard Disk LED 3 SCSI Hard Disk LED 4 not used

Connector for external monitor controller (VESA VGA pass-through)

Pin Meaning Pin Meaning

1 0 V 14 Data 6 2 Data 0 15 0 V 3 0 V 16 Data 7 4 Data 1 17 0 V 5 0 V 18 Clock 6 Data 2 19 0 V 7 not used 20 Blanking 8 Data 3 21 0 V 9 not used 22 Horizontal Sync. 10 Data 4 23 not used 11 not used 24 Vertical Sync. 12 Data 5 25 keyed 13 not used 26 0 V

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Interface pinouts and interrupts

Connector for Imageport

Pin Meaning Pin Meaning

1 +5 V 26 free 2 +5 V 27 Host Data 0 3 0 V 28 0 V 4 0 V 29 Host Data 1 5 +12 V 30 Ext. Command 6 0 V 31 Image Write Strobe 7 Write Request 32 0 V 8 0 V 33 Reset 9 Image Data Mask0 34 0 V 10 free 35 Host Data 2 11 Image Data 0 36 Host Data 3 12 0 V 37 Host Data 4 13 Image Data 1 38 Host Data 5 14 Image Frame Sync 39 Host Data 6 15 Image Data 2 40 Host Data 7 16 Image Line Sync 41 free 17 Image Data 3 42 free 18 0 V 43 free 19 Image Data 4 44 free 20 Image Data Ready 45 free 21 Image Data 5 46 free 22 0 V 47 free 23 Image Data 6 48 free 24 Odd Image Data 49 0 V 25 Image Data 7 50 0 V

Connector for monitor

Pin Meaning Pin Meaning

1 Red 9 keyed (no pin) 2 Green 10 Sync. ground 3 Blue 11 Monitor ID bit 0 4 Display ID bit 2 12 Monitor ID bit 1 5 Ground 13 Horizontal 6 Red ground synchronization 7 Green ground 14 Vertical synchronization 8 Blue ground 15 Monitor ID bit 3

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Interface pinouts and interrupts

Parallel interface

The parallel interface supports three transfer modes: SPP, EPP and ECP. SPP mode (standard parallel port) is the mode traditionally used to drive a printer. The EPP (Enhanced Parallel Port) and ECP (Extended Capabilities Port) modes are transfer modes that allow transfer rates of 2 and 2.4Mbytes/s. These modes will only work in connection with peripheral devices which specifically support them. The new transfer modes are used among other things for connecting to SCSI or IDE peripherals. The pinouts are different in all three modes.

Pinout in SPP mode

Pin Signal name Description

1 STROBE Data message 2-9 Data Lines 0-7 Data lines 0-7 10 ACKNOWLEDGE Data acknowledgement 11 BUSY Not ready to receive 12 PE End of paper 13 SELECT Device selection 14 AUTO Automatic new line 15 ERROR Device error 16 INIT Reset/initialize 17 SELECT IN Printer selection 18-25 GROUND Ground

Pinout in EPP mode

Pin Signal Signal direction

1 Write Output 2-9 Data Lines 0-7 Input/output 10 Intr Input 11 Wait Input 12 not used -- 13 not used Input 14 DStrb Output 15 not used -- 16 not used -- 17 AStrb Output 18-25 Ground

Pinout in ECP mode

Pin Signal Signal direction

1 HostClk Output 2-9 Data Lines 0-7 Input/output 10 PeriphClk Input 11 PeriphAck Input 12 AckReverse Input 13 Xflag Input 14 HostAck Output 15 PeriphRequest Input 16 ReverseRequest Output 17 ECP-Mode Output 18-25 Ground

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Interface pinouts and interrupts

Serial interface

Pin Signal Meaning

1 DCD Data Carrier Detect 2 RxD Receive Data 3 TxD Transmit Data 4 DTR Data Terminal Ready 5 Signal Ground Ground 6 DSR Data Set Ready 7 RTS Request to Send 8 CTS Clear to Send 9 Ri Ring Indicator

PS/2 mouse port

Pin Signal

1 Mouse data 2 not used 3 0 V 4 +5 V 5 Mouse clock 6 not used

PS/2 keyboard port

The entries in parentheses are effective if the jumper X507 is inserted on 2-4 and 3-5 on the system board D842.

Pin Signal

1 Keyboard data

2 not used (Mouse data) 3 0 V 4 +5 V 5 Keyboard clock 6 not used or power on switch (Mouse clock)

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Interface pinouts and interrupts

Interrupt Request Levels and DMA channels

Interrupt Request Levels and DMA channels are listed below.

Interrupt Request Levels

IRQ0 = timer 0 IRQ1 = keyboard IRQ2 = IRQ9 IRQ3 = serial interface 2 (COM2/COM4) IRQ4 = serial interface 1 (COM1/COM3) IRQ5 = free or parallel interface (LPT2) IRQ6 = floppy disk controller IRQ7 = parallel interface (LPT1/LPT3) IRQ8 = real-time clock interrupt IRQ9 = free, or VGA controller IRQ10 = free IRQ11 = free IRQ12 = mouse IRQ13 = math coprocessor IRQ14 = IDE disk controller (first connector) IRQ15 = IDE disk controller (second connector)

DMA channels

DMA0 = free DMA1 = free DMA2 = floppy disk controller DMA3 = free/ECP mode DMA4 = DMA channel cascading DMA5 = free DMA6 = free DMA7 = free

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Error messages

This chapter contains error messages generated by the system board.

Access Denied - System Halted

You have entered an illegal password three times. Restart the PC. Vous avez entré trois fois un mot de passe erroné. Faites redémarrer le PC. Ha introducido tres veces una contraseña incorrecta. Arranque nuevamente

el PC. Avete indicato una parola chiave errata per tre volte. Avviate nuovamente il

PC. Lösenordet har skrivits felaktigt tre gånger. Starta on datorn. U hebt driemaal een ongeldig wachtwoord ingevoerd. Herstart de PC.

Access Denied - Press Any Key to Continue

You have entered an illegal password three times. Press any key. The PC reboots.

Vous avez entré trois fois un mot de passe erroné. Actionnez une touche quelconque. Le PC redémarre.

Ha introducido tres veces una contraseña incorrecta. Pulse una tecla. El PC arranca nuevamente.

Avete indicato la parola chiave errata per tre volte. Digitate un tasto qualsiasi. Il PC si riavvia.

Lösenordet har skrivits felaktigt tre gånger. Tryck valfri tangent. Datorn omstartas.

U hebt driemaal een ongeldig wachtwoord ingevoerd. Druk op een willekeurige toets. Hierna herstart de PC

Diskette drive failure Diskette drive 0 failure Diskette drive 1 failure

Check the entry defining the drive type in the Diskette field in the setup menu. Check the floppy disk drive's connecting cables.

Contrôlez le type du lecteur de disquette dans la zone DISKETTE du menu setup ainsi que ses raccordements physiques.

Verifique en el menú setup el tipo de unidad en el campo DISKETTE y las conexiones de la unidad de disquetes.

Verificate nel menu di setup nel campo Diskette il tipo del drive ed i collegamenti del floppy disk drive.

Kontrollera i Setup-menyns inmatningsfält Diskett diskettstationstypen och anslutningarna till diskettstationen.

Kontroleer de diskette-eenheid die is opgegeven in het veld Diskette van het Setup-menu en tevens de aansluitingen voor de diskette-eenheid.

Fixed disk configuration error Fixed disk controller failure Fixed disk 0 failure Fixed disk 1 failure

Check the entries defining the hard disk type in the Hard Disk Ctrlr, Hard Disk 1, Hard Disk 2, Hard Disk 3, Hard Disk 4 in the setup menu. Check

the drive's connecting cables and jumper and switch settings. Contrôlez le type du disque dur dans les zones Hard Disk 1, Hard Disk 2,

Hard Disk 3 et Hard Disk 4 du menu setup ainsi que ses raccordements physiques et ses cavaliers.

Verifique en el menú setup los registros en los campos HARD DISK 1, HARD DISK 2, Hard Disk 3 y Hard Disk 4 para el tipo de disco duro, así como las conexiones y los puentes enchufables en la unidad de disco duro.

Verificate nel menu di setup nel campo Hard Disk Ctrlr, Hard Disk 1, Hard Disk 2, Hard Disk 3 e Hard Disk 4 gli inserimenti relativi al tipo di disco rigido ed i collegamenti ed i ponticelli del disco rigido.

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Kontrollera i Setup-menyn allt som skrivits in i inmatningsfälten Hard Disk Ctrlr, Hard Disk 1, Hard Disk 2, Hard Disk 3, Hard Disk 4 för den hårddisktypen samt anslutningarna och insticksbryggorna på hårddiskstationen.

Kontroleer het type harde-schijfeenheid dat is opgegeven in de velden (Hard Disk Ctrlr, Hard Disk 1, 2, 3, 4) van het Setup-menu en tevens de verbindingen en de brugstekkers op de harde-schijfeenheid.

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Error messages

Incorrect Password

You have entered an illegal password. Enter the password again and press the Enter key.

Vous avez fait une erreur dans le mot de passe. Entrez à nouveau le mot de passe et actionnez la touche d'entrée.

Ha introducido una contraseña incorrecta. Introduzca nuevamente la contraseña y pulse la tecla de entrada

Avete indicato una parola chiave errata. Indicate nuovamente la parola chiave e digitate il tasto Invio.

Du har angivit ett felaktigt lösenord. Skriv in det en gång till och tryck Enter. U hebt een ongeldig wachtwoord ingevoerd. Voer opnieuw het wachtwoord

in en druk op de Enter-toets.

Invalid configuration information

Check all the entries in the setup menu. If this error occurs each time you power up the PC, contact your sales office or customer service.

Vérifiez tous les paramètres du menu setup. Si ce message apparaît chaque fois que vous remettez votre PC sous tension, adressez-vous au S.A.V.

Verifique todos los registros en el menú setup del sistema. Si cada vez que usted conecta su sistema se produce este error, diríjase al Servicio Técnico.

Verificate tutti i valori nel menu di setup. Se questo messaggio si manifesta dopo ogni accensione, rivolgeteVi al Vostro servizio di assistenza tecnica.

Kontrollera i Setup-menyn allt som skrivits in. Visas detta felmeddelande varje gång Du knäpper på, kontakta kundservice.

Kontroleer alle opdrachten in het Setup-menu. Als deze fout zich voordoet telkens u de PC aanschakelt, neemt u best kontakt op met uw onderhoudsdienst.

I/O Expansion board NMI I/O Expansion board NMI, Slot x

Restart your PC. If the error persists, contact your sales office or customer service

Faites redémarrer votre PC. Si ce message apparaît à plusieurs reprises, contactez le S.A.V.

Arranque nuevamente el PC. En caso que este error se produzca repetidamente, informe al Servicio Técnico.

Avviate nuovamente il PC. Se l'errore si ripete, informate il Vostro servizio di assistenza tecnica.

Starta om datorn. Visas detta felmeddelande upprepade gånger, v g kontakta kundservice.

Herstart uw PC. Als de fout zich weer zou voordoen, neemt u best kontakt op met uw onderhoudsdienst.

!!! HARD DISK WARNING !!! Boot sector has been modified. Confirm the new boot sector in SETUP, and run a virus scan program.

The boot sector of your bootable hard disk drive has been modified since the last boot-up (e.g., a new operating system has been installed of the system has been infected by a virus). If the change to the boot sector was intentional (e.g., you have installed a new operating system), then acknowledge the Virus Warning function in the System Security Options page of the setup menu by selecting CONFIRM.

If you are not sure what modified the boot sector, you should check your computer for virus infection with the aid of an appropriate virus scanner program.

Le secteur d'initialisation du lecteur prêt à démarrer a été modifié depuis le dernier démarrage du système (nouveau système d'exploitation ou infection par virus, par exemple). Si vous souhaitez modifier le secteur d'initialisation ou si la modification est connue, validez avec CONFIRM la fonction Virus Warning du menu setup System Security Options.

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Si l'origine des modifications du secteur d'initialisation est inconnue, il convient de lancer un programme spécifique de détection des virus informatiques.

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Error messages

El sector de inicialización de la unidad de disquetes arrancable ha sido modificado desde el último arranque de sistema (p. ej. debido a la instalación de un nuevo sistema operativo o la "infección" por un virus). Si conoce y aprueba la modificación del sector de arranque, p. ej. tras la instalación de un nuevo sistema operativo, confirme con CONFIRM la función Virus Warning de la opción Security Options en el menú de setup (configuración).

Si desconoce la causa de las modificaciones en el sector de inicialización, proceda a ejecutar un programa adecuado para combatir el virus informático.

Il settore di lancio (boot) del drive pronto per l'avvio è cambiato dall'ultimo avvio di sistema (p.es. nuovo sistema operativo oppure presenza di virus). Se il cambiamento del settore di lancio è voluto oppure conosciuto, come nel caso di installazione di un nuovo sistema operativo, confermate nel menu di setup System Security Options la funzione Virus Warning con CONFIRM.

Se la causa del cambiamento del settore di lancio e sconosciuta, è necessario avviare un programma per la ricerca di virus.

Den startbara diskettstationens bootsektor har förändrats sedan den senaste systemstarten (t ex nytt operativsystem eller en virus). Bekräfta funktionen Virus Warning i Setup-menyn System Security Options med CONFIRM om bootsektorns förändring är önskad eller känd, som t ex efter installation av ett nytt operativsystem.

Om orsaken till bootsektorns förändring är okänd, måste ett lämpligt program för datorvirussökning startas.

De bootsector van het opstartbare magneetbandloopwerk is sedert de laatste opstarting van het systeem veranderd (bv. nieuw besturingssysteem of virusaanval). Is de verandering van de bootsector gewenst of bekend, b.v. na de installatie van een nieuw besturingssysteem, dan bevestigt u in het setupmenu System Security Options de functie Virus Warning (waarschuwing tegen virussen) met CONFIRM (bevestigen).

Keyboard is locked - unlock

Unlock the PC and restart the system. Débloquez le PC et faites redémarrer le système. Desbloquee el teclado y arranque nuevamente el PC. Sbloccate il PC e riavviate il sistema operativo. Aktivera PCn och starta systemet på nytt. Deblokkeer de PC en start het systeem opnieuw op.

Keyboard failure Keyboard stuck key failure

Check whether a key is sticking and whether the keyboard is connected correctly.

Vérifiez que les touches fonctionnent bien et que le clavier est raccordé correctement.

Verifique si alguna tecla quedó enclavada y si el teclado está conectado correctamente.

Verificate se un tasto rimane incastrato. Verificate se la tastiera è collegata in modo corretto.

Kontrollera om det är någon tangent som förblir orörlig. Kontrollera att tangentbordet är anslutet helt korrekt.

Kontroleer of er een toets geklemd zit en of het toetsenbord op de juiste wijze is aangesloten.

Is de oorzaak van de veranderingen van de bootsector onbekend, dan moet een speciaal daarvoor bestemd programma opgestart worden om de computervirus te ontdekken.

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Error messages

Memory parity error at ... Unresolved memory parity error

Restart your PC. If the system reports this error each time you switch it on, contact your sales office or customer service.

Faites redémarrer votre PC. Si ce message apparaît chaque fois que vous remettez votre PC sous tension, adressez-vous au S.A.V.

Arranque nuevamente el PC. Si cada vez que usted conecta su sistema se produce este error, diríjase al Servicio Técnico.

Avviate nuovamente il PC. Se l'errore si ripete, informate il Vostro servizio di assistenza tecnica.

Starta om datorn. Visas detta felmeddelande varje gång Du knäpper på, kontakta kundservice.

Herstart uw PC. Als de fout zich weer zou voordoen, neemt u best kontakt op met uw onderhoudsdienst.

Memory failure at xxxx read xxxxx expecting xxxxx

Restart your PC. If the system reports this error each time you switch it on, contact your sales office or customer service.

Faites redémarrer votre PC. Si ce message apparaît chaque fois que vous remettez votre PC sous tension, adressez-vous au S.A.V.

Arranque nuevamente el PC. Si cada vez que usted conecta su sistema se produce este error, diríjase al Servicio Técnico.

Avviate nuovamente il PC. Se l'errore si ripete, informate il Vostro servizio di assistenza tecnica.

Not a boot diskette No boot device available No boot sector on hard disk Diskette read failure Hard disk read failure -

Insert the operating system floppy disk in the floppy disk drive and press Enter. Check the entries for the floppy disk and hard disk types in the setup menu.

Insérez la disquette contenant le système d'exploitation dans le lecteur de disquette et appuyez sur la touche d'entrée. Contrôlez les paramètres concernant les types de disquette et de disque dur dans le menu setup.

Coloque el disquete de sistema operativo en la unidad y pulse la tecla de entrada. Verifique los registros para el tipo de disquetes y para el disco duro en el menú setup.

Inserite il dischetto di sistema operativo nel floppy disk drive e premete il tasto Invio. Verificate nel menu di setup gli inserimenti relativi al tipo del floppy disk drive e del disco rigido.

Sätt in systemdisketten i diskettstationen och tryck Enter. Kontrollera i Setup-menyn allt som skrivits in för den diskett- och hårddisktypen.

Steek de diskette met het besturingssysteem in de diskette-eenheid en druk op de Enter-toets. Kontroleer in het Setup-menu de opdrachten voor het type diskette-eenheid en harde-schijfeenheid.

Starta om datorn. Visas detta felmeddelande varje gång Du knäpper på, kontakta kundservice.

Herstart uw PC. Als de fout zich weer zou voordoen, neemt u best kontakt op met uw onderhoudsdienst.

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Error messages

No timer tick interrupt Timer 2 failure Shutdown failure Gate A20 failure Unexpected interrupt in protected mode

Restart your PC. If the system reports this error each time you switch it on, contact your sales office or customer service.

Faites redémarrer votre PC. Si ce message apparaît chaque fois que vous remettez votre PC sous tension, adressez-vous au S.A.V.

Arranque nuevamente el PC. Si cada vez que usted conecta su sistema se produce este error, diríjase al Servicio Técnico.

Avviate nuovamente il PC. Se l'errore si ripete, informate il Vostro servizio di assistenza tecnica.

Starta om datorn. Visas detta felmeddelande varje gång Du knäpper på, kontakta kundservice.

Herstart uw PC. Als de fout zich weer zou voordoen, neemt u best kontakt op met uw onderhoudsdienst.

Passwords entered do not match

The password you entered in confirmation was different from the first password. Enter the password again and press the Enter key.

La confirmation du mot de passe est incorrecte. Entrez à nouveau le mot de passe et actionnez la touche d'entrée.

Ha confirmado incorrectamente la contraseña. Introduzca nuevamente la contraseña y pulse la tecla de entrada.

Avete confermato la parola chiave in modo errato. Indicate nuovamente la parola chiave e digitate il tasto Invio.

Du har bekräftat lösenordet fel. Skriv in lösenordet en gång till och tryck Enter.

Pointing device failure

Check whether the mouse is properly connected. Vérifiez si la souris est correctement connectée. Verifique si el ratón está conectado correctamente. Controllate che il mouse sia collegato correttamente. Kontrollera att musen är anslutet helt korrekt. Controleer of de muis correct aangesloten is.

Real time clock failure Time-of-day not set - run SETUP program

Access the setup menu and enter the correct time in the Time field. If the system reports this error each time you switch it on, contact your sales office or customer service.

Appelez le menu setup et inscrivez l'heure exacte dans la zone TIME. Si ce message apparaît chaque fois que vous remettez votre PC sous tension, adressez-vous au S.A.V.

Llame el menú setup y registre el valor correcto para la hora en el campo Time. Si cada vez que usted conecta su sistema se produce este error, diríjase al Servicio Técnico.

Richiamate il menu di setup e indicate l'ora esatta nel campo Time. Se l'errore si ripete, informate il Vostro servizio di assistenza tecnica.

Anropa Setup-menyn och skriv in rätt klockslag i inmatningsfältet Time. Visas detta felmeddelande varje gång Du knäpper på, kontakta kundservice.

Roep het Setup-menu op en voer de juiste tijdnotatie in het veld Time in. Als deze fout zich voordoet telkens u de PC aanschakelt, neemt u best kontakt op met uw onderhoudsdienst.

U hebt een ongeldig wachtwoord ingevoerd. Voer opnieuw het wachtwoord in en druk op de Enter-toets.

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Error messages

Security Features Not Changed - Press Any Key to Continue

You have failed three times in succession to correctly confirm the password. The password has not been set. Press any key. The PC will reboot.

Vous avez confirmé le mot de passe trois fois de manière incorrrecte. Actionnez une touche quelconque.

Ha confirmado tres veces incorrectamente la contraseña. Si pulsa una tecla, el PC ejerce sus operaciones normales. No se ha asignado ninguna contraseña.

Avete confermato per tre volte la parola chiave in modo errato e per questo non è stata assegnata. Premete un tasto qualsiasi.

Du har bekräftat lösenordet fel tre gånger som därför inte träder i kraft. Tryck valfri tangent. Starta on datorn.

Het paswoord werd drie keer verkeerd ingegeven en werd daarom niet vrijgegeven. Druk op een toets. De PC start opnieuw.

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Index

1 1dx

1.2M, Diskette 10

1.4M, Diskette 10 128K, system BIOS 19

2.8M, Diskette 10 360K, Diskette 10 3 1/2-inch floppy disk drive 10 528 Mbyte hard disks 25 5 1/4-inch floppy disk drive 10 64-bit microprocessor 2 720K, Diskette 10 8K BLOCK XFER

Hard Disk Transfer Mode 25

96K, system BIOS 19

Accelerator, Windows 2 Adaptec-SCSI controller, Notes 8 Adding main memory 35 Additional Hard Disk Options 24 Additional System Options 9, 19 AUTO

Hard Disk 12 PCI Interrupt Mapping 23

AUTO SELECT

Hard Disk LBA Translation 26 Hard Disk Transfer Mode 25

Available base memory 12

Base address

PCI adaptor I/O operations 23 PCI adaptor memory 22

Base Memory 12

Battery 7 BIDIRECTION 16 BIOS

recovery 31 update 31 ROM 21

Board

D841 3

D842 4 Boot-sector modifications 18 Booting the operating system 14 Bus interface 2

Cache 2, 20

operation 21 Cache Adaptor ROM 22 Cache BIOS ROM 21 Cache Mode 21 Capacity, hard disk 25 CHANGE PASSWORD

Security Features 14 Changing

lithium battery 38

password 14 Channels, DMA 49 Color palette 23 COLOR 40 12 COLOR 80 12 Color Palette Snoop 23 COM1 pinout 47 COM1 (3F8h) serial interface 1 15 COM2 pinout 47 COM2 (2F8h) serial interface 2 15 COM3 (3E8h) serial interface 1 15 COM4 (2E8h) serial interface 2 15 Computer viruses 18 Configuration

parallel interface 15, 16

serial interface 15

Configuration (Continued) DISABLED (Continued)

using setup menu 9 Security Features 14 CONFIRM Virus Warning 18 serial interface 15 Connectors 2, 3, 4 Setup Prompt 17

3.3 V power supply 39 Standby Timeout 27

5 V power supply 39 System Tic 29

external loudspeaker 33, 40 Video 27

external monitor controller 33 Virus Warning 18

for SCSI HD LED indicators 41 Disabling

IDE hard disk drive 33 floppy disk controller 17

Imageport 33, 43 hard disk controller 24

indicator 41 mouse controller 16

processor fan 33 Disk controller 2

remote power-on 40 DISKETTE LOCK System Load 14

soft-off power supply 40 DISKETTE SWAP System Load 14

VESA VGA pass-through 42 Diskette A 10 Controller 2 Diskette B 10

floppy disk drive 17 Diskette Ctrlr 17

hard disk 24 Diskette Write 17 Courier 1 Display adaptors 23

bold 1 DMA channels 49 CPU Speed Standby Function 28 Duration of self-test 18

Date 10, 14, 19, 22, 24, 27 ECP 16 DISABLED ECP AND EPP 16

Cache 20 ECP mode, parallel interface 46

Cache BIOS ROM 21 EGA/VGA 12

Cache Mode 21 ENABLED

Color Palette Snoop 23 Color Palette Snoop 23

CPU Speed 28 Diskette Ctrlr 17

Diskette Ctrlr 17 Diskette Write 17

Diskette Write 17 Flash Write 16

Flash Write 16 Hard Disk 28

Hard Disk 28 Hard Disk Ctrlr 24

Hard Disk Ctrlr 24 IRQ 29

Hard Disk, LBA Translation 25 Mouse 29

IRQ 29 Mouse Ctrlr 16

Mouse 29 Parity Checking 23

Mouse Ctrlr 16 Quick Load 18

Parallel 15 Setup Prompt 17

Parity Checking 23 System Tic 29

Quick Load 18 Video 27

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Index

ENABLED (Continued) Fonts, meanings 1

Virus Warning 18 Foutmeldingen 51

Enabling Function key F1 9

floppy disk controller 17 hard disk controller 24 G mouse controller 16 Graphics processor standby mode 27 TSENG ET4000/W32P 2

Enhanced Parallel Port mode,

parallel interface 46 H Enlarging Video memory 37 Handle modules with ESDs 8 EPP 16 Hard disk EPP mode, parallel interface 46 capacity 25 Error messages 51 controller 2, 24 Error Halt 13 standby function 28 ESD modules 8 motor, powering down 26 ESDI hard disk 11 type 11 ET4000/W32P, HARD DISK WARNING 18

TSENG graphics processor 2 Hard Disk 11 Explanation of Standby Function 28

fonts 1 Hard Disk 1 25, 26

symbols 1 Hard Disk 2 25, 26 Extended Capabilities Port mode, Hard Disk 3 25, 26

parallel interface 46 Hard Disk 4 25, 26 Extended Memory 12 Hard Disk Ctrlr 24 External Help text, invoking 9

cache (second level cache) 20, 32 HIGH Speed Select 12

loudspeaker connector 2, 40

monitor controller connector 2 I

video controller connector 42 I/O operations, PCI adaptor base

address 23 F I/O Base Address 23 F2 FOR SETUP prompt 17 IDE hard disk Features system board 2 controller 24 Felmeddelanden 51 Power Down 26 First-level cache (internal cache) 20 transfer rate 25 Flash BIOS, write-protection 16 Imageport 2 Flash Write 16 connector pinout 43 Floppy disk controller 2 location 33

disabling 17 Important notes 7 enabling 17 Indicators connector 41

Floppy disk drive Installing memory modules 36

type 10 Interfaces 2, 3, 4 write protection 17, 31 parallel 45

Interfaces (Continued) Location (Continued)

pinouts 39 voltage converter 33

serial 47 Loudspeaker connector 2 INTERN AND EXTERN, cache 20 LOW CPU Speed 28 INTERN ONLY, cache 20 LOW Speed Select 12 Internal cache 2 LPT1 pinout 45 Interrupt LPT1 (378h) Parallel 15

Request Levels 49 LPT2 (278h) Parallel 15

standby mode, terminating 29 LPT3 (3BCh) Parallel 15

interrupts 49

IRQ standby modus, terminating 29 M

IRQ09 Wakeup Event 29 Main memory 35

IRQ10 Wakeup Event 29 location 33

IRQ11 Wakeup Event 29 Meanings of

IRQ3 15 fonts 1

IRQ4 15 symbols 1

IRQ7 15 Memory 2

configuration, external cache 32 J main 35 Jumper 30 PCI adaptor 22

setting 32 upgrade 35

Video memory 37 K Base Address 22 Keyboard Memory modules 35

password 14 installing 36 port 2, 48 removing 36 setting 32 Mensaje de error 51

Messagio di errore 51 L Modifications to the boot sector 18 Large hard disks 25 Modules with ESDs 8 LBA Translation 25, 26 Monitor Lithium battery 7 connector pinout 44

changing 38 controller connector 2

location 33 interface 2 Loading the operating system 14 MONO 12 Location Mouse

connector controller

external monitor controller 33 disabling 16

jumper 30 enabling 16

lithium battery 33 interface 2

processor 33 port pinout 48

switch block 30 setting 32

video memory 33 terminating standby mode 29

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Index

Mouse (Continued) PCI adaptor ROM 20

Wakeup Event 29 PCI Interrupt Mapping 23 Mouse Ctrlr 16 Pentium OverDrive processor 2 Multimedia adaptors 23 Performance 20, 21

Pinout N 3.3 V power supply 39 NO 5 V power supply 39

Cache Adaptor ROM 22 external loudspeaker 40

Shadow Adaptor ROM 20 Imageport 43 NO DISK ERROR HALT 13 indicator 41 NO HALT ON ALL ERRORS 13 keyboard port 48 NO HALT ON ANY ERRORS 13 monitor connector 44 NO KEYBOARD ERROR HALT 13 mouse port 48 NO KEYBOARD OR DISK HALT 13 parallel interface 45 NONE remote power-on 40

Diskette 10 SCSI HD LED indicators 41

Hard Disk 12 serial interface 47

PCI Interrupt Mapping 23 soft-off power supply 40 NONSTANDARD System Load 14 VESA VGA pass-through 42 Notes on software 8 Pointing device setting 32

Ports 2, 3, 4 O Power down, IDE hard disk 26 Operating system, loading 14 Power Management Configuration,

setup menu 27 P Power supply Pages in the setup menu 9 3.3 V connector 39 Parallel 15, 16 5 V connector 39 Parallel interface 2 Power switch connector, Parallel interface soft-off power supply 40

configuring 15, 16 Power-save feature, IDE hard disk 26 ECP mode 46 Powering down the hard disk motor 26 EPP mode 46 PRINTER 16 pinout 45 Processor 2

SPP mode 45 cache (internal cache) 20 Parity Checking 23 location 33 Par Mode 16 upgrading 34 Password 14 Programs with time loops 8 PC speed 12 Prompt, F2 FOR SETUP 17 PCI 1 PS/2 mouse port 29

adaptor, base address 22

PCI Device Configuration, Q

setup menu 22 Quick self-test 18

interrupt 23 Quick Load 18

R Setup password 14 Recovering BIOS 31 Setup memory 2 REDUCED CPU Speed 28 Setup Prompt 17 Remote power-on 2 Shadow Adaptor ROM 20

connector 40 Shadow BIOS ROM 20 Removing memory module 36 Sockets 3, 4 Replacing voltage converter 35 Soft-off power supply, connector 40 ROM 21, 22 Source of wakeup event 28

ROM BIOS 20 Speed system speed 12

PCI adaptor 20 Speed Select 12

SPP modes, parallel interface 45 S STANDARD SCO-UNIX, Notes 8 Hard Disk Transfer Mode 25 Screen System Load 14

memory 2 Standard Parallel Port mode 45 pages 9 Standby function resolution 4 CPU speed 28

SCSI hard disk controller 28

hard disk 11 video 27

HD LED indicators, pinout 41 Standby mode Second level cache 2, 20 enabling 27 Security features 13, 14 termination 29 Self-test duration 18 Standby Timeout 27 Serial interface 2 STOPPED CPU Speed 28

configuring 15 Switch block 3, 4, 30

pinout 47 Symbols, meanings 1 Serial 1 15 System Serial 2 15 Information 9 Settings 9 password 14

BIOS update 31 Security Options, Setup Menu 13

jumper 30, 32 speed 12

keyboard 32 start-up, quick 18

mouse 32 Tic standby mode, terminating 29

switches 30 SYSTEM AND SETUP LOCK Security Setup LOCK Security Features 14 Features 14 Setup menu 9 SYSTEM AND VIDEO BIOS

Additional Hard Disk Options 24 Cache BIOS ROM 21

Additional System Options 19 Shadow BIOS ROM 20

pages 9 System BIOS 19

Power Management location 19

Configuration 27 memory area 19

System Configuration 10, 22 size 19

System Security Options 13

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Index

SYSTEM BIOS ONLY Voltage converter

Cache BIOS ROM 21 location 33 Shadow BIOS ROM 20 replacing 35

System board

D841 3 W D842 4 Wakeup event source 28

System Configuration 9, 10, 13, 19, Wakeup Timer 27

22, 24, 27, 30 Windows accelerator 2 System Load 14 WRITE BACK Cache Mode 21 System Tic Wakeup Event 29 Write protection

flash BIOS 16 T floppy disk drive 17, 31 Technical specifications 2 WRITE THROUGH Cache Mode 21 Time 10, 14, 19, 22, 24, 27 Time loops 8, 12 Y Transfer Mode 25 YES Transfer rate, IDE hard disk 25 Cache Adaptor ROM 22 TSENG ET4000/W32P, Shadow Adaptor ROM 20

graphics processor 2

Update BIOS 31 Upgrading

main memory 35 processor 34 video memory 37

V.24 interface pinout 47 VESA VGA pass-through connector

Video

adaptors 23 memory 2, 33, 37

Standby Function 27 VIDEO BIOS 20 VIDEO BIOS ONLY

Cache BIOS ROM 21 Video Display 12 Virus infection 18 Virus Warning 18

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