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System board

PCD-H, PCD-4LSX

Technical Manual

Published by

Siemens Nixdorf Informationssysteme AG

Postfach 2160, W-4790 Paderborn

Postfach 830951, W-8000 München 83

Order No.:

A26361-D756-Z120-1-7619

Printed in the Federal Republic of Germany

AG 0593 05/93

A26361-D756-Z120-1-7619

Содержание D756

Страница 1: ...al Manual Published by Siemens Nixdorf Informationssysteme AG Postfach 2160 W 4790 Paderborn Postfach 830951 W 8000 München 83 Order No A26361 D756 Z120 1 7619 Printed in the Federal Republic of Germany AG 0593 05 93 A26361 D756 Z120 1 7619 ...

Страница 2: ...se send us your comments quoting the order number of the manual Siemens Nixdorf Informationssysteme AG Department BS2000 QM 2 Otto Hahn Ring 6 W 8000 München 83 Germany Fax 0 89 6 36 4 04 43 This manual was produced using paper treated with chlorine free bleach ...

Страница 3: ...TW3 3JB United Kingdom or call Ron Johnson Hounslow Tel 44 344 850 990 Fax 44 344 850 991 Intel is a registered trademark 80486SX 80487SX 80486DX 80486DX2 and OverDrive are trademarks of Intel Corporation USA Microsoft MS and MS DOS are registered trademarks and Windows is a trademark of Microsoft Corporation UNIX is a registered trademark of UNIX System Laboratories Copyright Siemens Nixdorf Info...

Страница 4: ...use interface and interrupt 12 IRQ12 18 ERGO VGA III controller 18 Processor type and processor speed 19 Upgrading 20 Main memory 21 Memory modules 21 Installing a memory module 22 Removing a memory module 23 Second level cache memory 24 Upgrading 25 Table of hard disks 26 Interface assignment 27 Connector for power supply J1 27 Connector for external loudspeaker J13 27 Connector for lithium batte...

Страница 5: ...SX 25 MHz or 33 MHz with 8 Kbyte internal cache memory first level cache 80486DX 32 bit microprocessor 80486DX 25 MHz or 33 MHz with integrated coprocessor and 8 Kbyte internal cache memory first level cache 80486DX2 32 bit microprocessor 80486DX2 50 MHz or 66 MHz with integrated coprocessor and 8 Kbyte internal cache memory first level cache Common features Socket for Upgrade with 80487SX 25 MHz ...

Страница 6: ...upply 22 Connector for external 11 Connector for floppy disk drive monitor controller 12 Connector for IDE hard disk drive 23 Bus interface 13 Slots U48 U58 for second level cache memory A26361 D756 Z120 1 7619 3 Introduction Possible screen resolution Screen Refresh Horizontal Max number resolution rate Hz rate kHz of colours 640x350 70 31 5 16 640x350 83 39 4 16 640x350 84 37 8 16 640x480 60 31 ...

Страница 7: ...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 A26361 D756 Z120 1 7619 5 Important notes 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 f...

Страница 8: ...361 D756 Z120 1 7619 7 Setup menu Settings in the SETUP menu Settings and technical information about the configuration of your PC are displayed in the SETUP menu How to call the SETUP menu and how to change the entries is described in the Operating Manual of the PC A help text can be obtained for every input field by pressing the F1 function key The SETUP menu consists of the following screen pag...

Страница 9: ...fault entry EGA VGA Math Coprocessor In this field the system enters whether a coprocessor is installed A26361 D756 Z120 1 7619 9 Setup menu Speed Select This entry allows you to define the system speed after system startup Possible entries are HIGH e g 33 MHz with the 80486DX 33 MHz or LOW 8 MHz Default entry HIGH Error Halt This entry defines whether command execution is to be interrupted if an ...

Страница 10: ...word Default entry DISABLED A26361 D756 Z120 1 7619 11 Setup menu Shadow BIOS ROM Part of the operating system System BIOS is resident in an EPROM How fast this part of the program runs is determined by the fairly slow EPROMs The entry in this field enables you to copy the BIOS to the fast RAM after powering up This shortens the runtimes of these program sections and enhances PC performance speed ...

Страница 11: ... segments The following entries are possible SYSTEM BIOS ONLY System BIOS is mapped in the cache memory VIDEO BIOS ONLY Video BIOS is mapped in the cache memory SYSTEM AND VIDEO BIOS System BIOS and video BIOS are mapped in the cache memory DISABLED The function is disabled Default entry VIDEO BIOS ONLY A26361 D756 Z120 1 7619 13 Setup menu Serial 1 The serial interface SER1 can be set here Possib...

Страница 12: ...t entry ENABLED A26361 D756 Z120 1 7619 15 Setup menu Diskette CTRLR This field allows you to disable the diskette controller on the system board Possible entries ENABLED The diskette controller on the system board is on DISABLED The diskette controller on the system board is off Default entry ENABLED Hard Disk CTRLR This field allows you to disable the hard disk controller on the system board Pos...

Страница 13: ... are two integral screen controllers set the primary screen controller with the JP10 U plug Monochrome CRT controller U plug JP10 not inserted Color CRT controller U plug JP10 inserted Default setting U plug JP10 inserted Color CRT controller Mouse interface and interrupt 12 IRQ12 You can switch the mouse interface on or off with the JP10 U plug If the mouse interface is switched on interrupt 12 I...

Страница 14: ... inserted A26361 D756 Z120 1 7619 19 Settings and add on modules Upgrading You can upgrade the system board by simply plugging in the processor Note the mounting location of the chip when you plug in the new processor If you upgrade a 33 MHz processor with a coprocessor or OverDrive processor for 25 MHz you must pull the JP6 U plug and insert the JP5 U plug U2 1 2 1 Mark on socket 2 Mark on the to...

Страница 15: ...Mbyte each Bank 1 32 Mbyte 8 of 4 Mbyte each Bank 0 and Bank 1 Memory modules You may only use quick memory modules Access time 70 nsec or less Memory module with 1 Mbyte A26361 D756 Z120 1 7619 21 Settings and add on modules Memory modules with 4 Mbyte Installing a memory module You may not insert different memory modules in one bank When using only 4 memory modules they must be inserted in bank ...

Страница 16: ...ce Only the SRAM components and sockets listed in the table below are permissible for the configuration of the second level cache memory Slot Memory configuration 64 Kbyte 128 Kbyte 256 Kbyte U48 8Kbit 8 15 ns 8Kbit 8 15 ns 8Kbit 8 15 ns U49 8Kbit 8 15 ns U50 16Kbit 4 15 ns 16Kbit 4 15 ns 16Kbit 4 15 ns U51 U54 8Kbit 8 20 ns 32Kbit 8 20 ns 32Kbit 8 20 ns U55 U58 8Kbit 8 20 ns 32Kbit 8 20 ns not in...

Страница 17: ...s and add on modules Table of hard disks This table lists the different types of hard disk Type Tracks Heads Mbyte Type Tracks Heads Mbyte 1 306 4 10 26 1024 4 34 2 615 4 20 27 1024 5 42 3 615 6 30 28 1024 8 68 4 940 8 62 29 512 8 34 5 940 6 46 30 615 2 10 6 615 4 20 31 989 5 41 7 462 8 30 32 1020 15 127 8 733 5 30 33 0 0 0 9 900 15 112 34 0 0 0 10 820 3 20 35 1024 9 76 11 855 5 35 36 1024 5 42 12...

Страница 18: ...10 12 5 V Connector for external loudspeaker J13 1 4 Pin Meaning 1 external loudspeaker 2 internal loudspeaker 3 0 V 4 5 V A26361 D756 Z120 1 7619 27 Interface assignment Connector for lithium battery J14 1 2 Pin Meaning 1 0 V 2 Connector for indicator JP30 1 2 12 Pin Signal name 1 System unit ON 2 0 V 3 Turbo 4 0 V 5 coded 6 coded 7 Turbo switch 8 0 V 9 Reset switch 10 0 V 11 5 V 12 Hard disk dri...

Страница 19: ...ing 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 Select Video 20 Blanking 8 Data 3 21 0 V 9 Select Synchronization 22 Horizontal Sync 10 Data 4 23 free 11 Select DAC 24 Vertical Sync 12 Data 5 25 coded 13 free 26 0 V A26361 D756 Z120 1 7619 29 ...

Страница 20: ...d again and press the Enter key IO PARITY ERROR SYSTEM HALTED Restart your PC Should the error recur contact your customer field service KEYBOARD ERROR OR NO KEYBOARD PRESENT Check whether a key is sticking and whether the keyboard is connected correctly MATH COPROCESSOR ADDED REMOVED RUN Setup Call up the setup menu and confirm with the F10 and F5 keys the entry in the COPROCESSOR INSTALLED field...

Страница 21: ...tor for Entries on the external monitor controller 3 first screen page SETUP menu 8 external loudspeaker 3 second screen page floppy disk drive 3 SETUP menu 11 IDE hard disk drive 3 EPROM with BIOS indicator 3 4 i Serial interface Ser 2 3 lithium battery 3 ERGO VGA III controller for power supply 3 U plug 17 Connector disable 18 J1 27 enable 18 J13 27 switch off 18 J14 28 ERGO VGA III interface 3 ...

Страница 22: ...ry 24 25 A26361 D756 Z120 1 7619 35 Index Memory module Pin assignment 1 Mbyte 21 J1 27 4 Mbyte 22 J13 27 installing 22 J14 28 removing 23 J23 29 Memory modules 21 JP30 28 MM DD YY 8 Plug in location Modules with ESDs 5 Bank 0 3 Monitor interface 3 Bank 1 3 MONO 9 Ports 2 Monochrome CRT controller Positioning processor 20 U plug 17 Power supply Connector 3 27 setting 18 Primary CRT controller Mous...

Страница 23: ...CK 11 Symbols meanings 1 menu 8 SYSTEM AND Setup LOCK 11 SETUP menu entries on the SYSTEM AND VIDEO BIOS 12 13 first screen page 8 SYSTEM BIOS ONLY 12 13 second screen page 11 System SETUP menu Configuration 8 first screen page 7 Information 8 screen pages 7 Load 11 second screen page 7 System speed 10 Setup memory 2 setting 19 Shadow BIOS ROM 12 A26361 D756 Z120 1 7619 37 Index T Upgrade socket 2...

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