Nec Powermate vp75 User manual

First Printing —February 1995

NEC Technologies, Inc. NEC Corporation

1414 Massachusetts Avenue 7-1 Shiba 5-Chome, Minato-Ku

Boxborough, MA 01719 Tokyo 108-01, Japan

PROPRIETARY NOTICE AND LIABILITY DISCLAIMER

The information disclosed in this document, including all designs and related materials, is the valu-

able property of NEC Corporation (NEC) and/or its licensors. NEC and/or its licensors, as ap-

propriate, reserve all patent, copyright and other proprietary rights to this document, including all

design, manufacturing, reproduction, use, and sales rights thereto, except to the extent said rights

are expressly granted to others.

The NEC product(s) discussed in this document are warranted in accordance with the terms of

the Warranty Statement accompanying each product. However, actual performance of each such

product is dependent upon factors such as system configuration, customer data, and operator

control. Since implementation by customers of each product may vary, the suitability of specific

product configurations and applications must be determined by the customer and is not warranted

by NEC.

To allow for design and specification improvements, the information in this document is subject to

change at any time, without notice. Reproduction of this document or portions thereof without

prior written approval of NEC is prohibited.

FastFacts, NEC SVGA, and PowerMate are U.S. trademarks of NEC Technologies, Inc.

All other product, brand, or trade names used in this publication are the trademarks or registered

trademarks of their respective trademark owners.

iii

Contents

Page

Preface ..................................................................................................................................xi

Abbreviations....................................................................................................................... xiii

Section 1 Technical Information

Desktop System Unit......................................................................................................... 1-2

Minitower System Unit ...................................................................................................... 1-3

System Board............................................................................................................ 1-4

Processor........................................................................................................... 1-6

Secondary Cache ............................................................................................... 1-6

Flash ROM........................................................................................................ 1-6

Power Management............................................................................................ 1-7

I/O Addressing................................................................................................... 1-8

System Memory................................................................................................. 1-9

Interrupt Controller............................................................................................. 1-10

Video Controller................................................................................................. 1-11

Video Memory................................................................................................... 1-12

IDE/PCI-Bus Backboard........................................................................................... 1-13

ISA Bus ............................................................................................................. 1-13

PCI Local Bus.................................................................................................... 1-14

PCI Auto Configuration...................................................................................... 1-14

Parallel Interface ........................................................................................................ 1-14

Serial Interface........................................................................................................... 1-15

Indicator Panel........................................................................................................... 1-16

Power Supply ................................................................................................................... 1-16

Diskette Drive ................................................................................................................... 1-16

Hard Disk Drive................................................................................................................ 1-16

Network Board................................................................................................................. 1-17

Multimedia Components.................................................................................................... 1-17

Quad-Speed CD-ROM............................................................................................. 1-17

Sound Board ............................................................................................................. 1-17

Speakers ................................................................................................................... 1-18

iv Contents

Microphone ............................................................................................................... 1-19

Keyboard ......................................................................................................................... 1-19

Mouse .............................................................................................................................. 1-19

Power Management .......................................................................................................... 1-19

Plug and Play.................................................................................................................... 1-19

Desktop Management Interface......................................................................................... 1-20

DMI Components...................................................................................................... 1-21

Manageable Products................................................................................................. 1-21

CI Module................................................................................................................. 1-21

MIF Browser............................................................................................................. 1-21

Usage ........................................................................................................................ 1-22

Troubleshooting ......................................................................................................... 1-22

Section 2 Setup and Operation

Unpacking and Repacking................................................................................................. 2-1

Setup ................................................................................................................................ 2-1

Minitower Setup ........................................................................................................ 2-7

CD-ROM Reader............................................................................................................. 2-12

External Multimedia Connections ....................................................................................... 2-13

Connecting the Speakers............................................................................................ 2-13

System Configuration......................................................................................................... 2-15

How to Start Setup .................................................................................................... 2-16

How to Use Setup ..................................................................................................... 2-16

Menu Bar........................................................................................................... 2-17

Legend Bar......................................................................................................... 2-18

Field Help Window............................................................................................. 2-18

General Help Window........................................................................................ 2-19

Main Menu Options............................................................................................ 2-19

IDE Adapters..................................................................................................... 2-20

Memory Shadow................................................................................................ 2-21

Boot Sequence................................................................................................... 2-22

Numlock ............................................................................................................ 2-23

Advanced Menu ........................................................................................................ 2-24

Integrated Peripherals Menu................................................................................ 2-24

Parity.................................................................................................................. 2-25

Contents v

Large Disk Access Mode ................................................................................... 2-25

Security Menu............................................................................................................ 2-26

Power Menu.............................................................................................................. 2-27

Exit Menu.................................................................................................................. 2-28

Save Changes & Exit .......................................................................................... 2-29

Discard Changes & Exit...................................................................................... 2-29

Get Default Values.............................................................................................. 2-29

Load Previous Values......................................................................................... 2-30

Save Changes..................................................................................................... 2-30

Bios Update Utility............................................................................................................ 2-30

System Board Jumpers...................................................................................................... 2-31

Jumper Locations....................................................................................................... 2-32

Jumper Settings.......................................................................................................... 2-32

Changing Jumper Settings.................................................................................... 2-35

CMOS Jumper................................................................................................... 2-35

Section 3 Options

Internal Options................................................................................................................. 3-1

Desktop Cover Removal............................................................................................ 3-2

Minitower Top Cover Removal.................................................................................. 3-3

Expansion Board(s).................................................................................................... 3-4

Desktop Expansion Board Installation................................................................. 3-5

Minitower Expansion Board Installation............................................................... 3-7

Expansion Board Troubleshooting....................................................................... 3-8

System Board Options ............................................................................................... 3-10

OverDrive Processor Installation......................................................................... 3-10

OverDrive Processor Troubleshooting................................................................. 3-13

SIMM Memory Installation................................................................................. 3-14

SIMM Upgrade Path.......................................................................................... 3-14

SIMM Installation............................................................................................... 3-16

SIMM Upgrade Kit Troubleshooting................................................................... 3-17

Video DRAM Module Installation....................................................................... 3-18

Video DRAM Module Troubleshooting............................................................... 3-20

Optional Storage Devices.................................................................................................. 3-21

5 1/4-Inch Diskette Drive........................................................................................... 3-21

vi Contents

5 1/4-Inch Diskette Drive Settings....................................................................... 3-21

Hard Disk Drives....................................................................................................... 3-22

Hard Disk Drive Settings..................................................................................... 3-22

Desktop Optional Storage Device Installation..................................................................... 3-24

Desktop 3 1/2-inch Drive Bracket Removal................................................................ 3-24

Desktop Blank Panel Removal................................................................................... 3-25

Desktop Device Installation........................................................................................ 3-26

Desktop 5 1/4-Inch Diskette Drive Cabling......................................................... 3-27

Desktop 5 1/4-Inch Hard Disk Drive Cabling...................................................... 3-28

Completing Desktop Device Installation...................................................................... 3-29

Minitower 5 1/4-Inch Optional Device Installation.............................................................. 3-30

Minitower Front Panel, Blank Panel, and Device Cage Removal................................. 3-30

Minitower 5 1/4-Inch Optional Device Installation....................................................... 3-33

Minitower 5 1/4-Inch Diskette Drive Cabling....................................................... 3-34

Minitower 5 1/4-Inch Hard Disk Drive Cabling ................................................... 3-35

Completing Minitower 5 1/4-Inch Device Installation........................................... 3-36

Minitower Optional 3 1/2-Inch Hard Drive Installation....................................................... 3-36

Hard Disk Drive Troubleshooting....................................................................................... 3-38

Section 4 Maintenance and Troubleshooting

Maintenance...................................................................................................................... 4-2

System Unit ............................................................................................................... 4-2

Keyboard.................................................................................................................. 4-3

Mouse....................................................................................................................... 4-4

Troubleshooting................................................................................................................. 4-5

Error Messages.......................................................................................................... 4-5

Diagnosing and Solving Problems ............................................................................... 4-7

Beep Codes............................................................................................................... 4-11

Bios Update Utility............................................................................................................ 4-11

NEC Bulletin Board Service....................................................................................... 4-12

Using the BIOS Update Utility.................................................................................... 4-13

Section 5 Desktop Repair

Disassembly and Reassembly............................................................................................. 5-1

Top Cover Removal................................................................................................... 5-3

Contents vii

Expansion Board Removal......................................................................................... 5-4

ISA/PCI-BUS Backboard Removal........................................................................... 5-7

3 1/2-inch Diskette and Hard Disk Drive Removal...................................................... 5-8

Front Panel Assembly Removal.................................................................................. 5-10

Power Button Cover Removal.................................................................................... 5-11

Speaker Assembly Removal....................................................................................... 5-12

SIMM Removal......................................................................................................... 5-13

Optional 5 1/4-Inch Device Removal.......................................................................... 5-14

5 1/4-Inch Device Cage Removal............................................................................... 5-15

Power Supply Removal.............................................................................................. 5-16

System Board Removal.............................................................................................. 5-18

Illustrated Parts Breakdown ....................................................................................... 5-19

Section 6 Minitower Repair

Disassembly and Reassembly............................................................................................. 6-1

Top Cover Removal................................................................................................... 6-3

Bottom Access Cover Removal.................................................................................. 6-5

Expansion Board Removal......................................................................................... 6-6

Front Panel Assembly Removal.................................................................................. 6-7

Power Button Cover Removal.................................................................................... 6-8

Blank Panel and Metal Cover Plate Removal.............................................................. 6-9

Speaker Assembly Removal....................................................................................... 6-10

SIMM Removal......................................................................................................... 6-11

5 1/4-Inch Device Cage Removal............................................................................... 6-12

5 1/4-Inch Device Removal........................................................................................ 6-13

3 1/2-inch Hard Disk Drive Removal.......................................................................... 6-14

3 1/2-inch Diskette Drive Removal............................................................................. 6-16

Power Supply Removal.............................................................................................. 6-19

PCI/ISA Backboard Removal.................................................................................... 6-21

System Board Removal.............................................................................................. 6-22

Illustrated Parts Breakdown ....................................................................................... 6-23

Appendix A Connector Pin Assignments

Serial Interface Connectors................................................................................................ A-3

Parallel Interface Connector............................................................................................... A-4

viii Contents

VGA Interface Connector Pin Assignments........................................................................ A-5

Speaker Connector Pin Assignments.................................................................................. A-5

Power Supply Connector .................................................................................................. A-6

Keyboard and Mouse Connectors..................................................................................... A-6

Power Lamp Connector.................................................................................................... A-7

Hard Disk Drive Busy Lamp Connector............................................................................. A-7

Fan Connector.................................................................................................................. A-7

Suspend Button Connector................................................................................................ A-8

Diskette Drive Interface Pin Assignments ........................................................................... A-8

IDE Interface Connectors.................................................................................................. A-9

SIMM Sockets................................................................................................................. A-10

ISA/PCI-Bus Backboard Connector Pin Assignments........................................................ A-11

ISA Expansion Bus Connector Pin Assignments................................................................. A-13

Sound Board Pin Assignments........................................................................................... A-15

Appendix B Specifications

System Unit Specifications................................................................................................ B-1

Power Supply Specifications............................................................................................. B-3

Diskette Drive Specifications ............................................................................................ B-4

Hard Disk Specifications .................................................................................................. B-6

Appendix C CD-ROM Reader Configuration

Appendix D Sound Board Configuration

Changing Hardware Settings.............................................................................................. D-1

MIDI Base I/O Address ............................................................................................ D-3

Joystick Connector .................................................................................................... D-3

Audio Interface DMA Channel................................................................................... D-4

Audio Interface Base I/O Address.............................................................................. D-6

Audio Interface IRQ Line........................................................................................... D-7

MIDI Interface........................................................................................................... D-8

List of Figures

1-1 Desktop System Controls and Storage Slots........................................................ 1-2

1-2 Minitower System Controls and Storage Slots..................................................... 1-3

Contents ix

2-1 Desktop Voltage Selector Switch........................................................................ 2-2

2-2 Desktop Peripherals Connections........................................................................ 2-3

2-3 Desktop Network Board Connections ................................................................ 2-4

2-4 Desktop Multimedia Connections........................................................................ 2-5

2-5 Desktop Power Button, Lamps, and Suspend Button........................................... 2-6

2-6 Minitower Voltage Selector Switch..................................................................... 2-7

2-7 Minitower Peripherals Connections ..................................................................... 2-8

2-8 Minitower Network Board Connections.............................................................. 2-9

2-9 Minitower Sound/Fax/Modem Board Connectors ............................................... 2-10

2-10 Minitower Power Button, Indicators, and Suspend Button................................... 2-11

2-11 CD-ROM Reader Controls and Indicators.......................................................... 2-12

2-12 Ready 9520 Speaker Connections ...................................................................... 2-14

2-13 Locating system configuration jumpers................................................................. 2-32

2-14 SIMM Type Jumper JP1 .................................................................................... 2-33

2-15 Processor Speed Jumpers JP5, JP6, and JP7...................................................... 2-33

2-16 Bus speed jumper JP10 ...................................................................................... 2-34

2-17 Processor voltage jumper JP12........................................................................... 2-34

3-1 Desktop Cover Screws....................................................................................... 3-2

3-2 Removing the Desktop Cover ............................................................................. 3-2

3-3 Minitower Cover Screws.................................................................................... 3-3

3-4 Removing the Minitower Cover........................................................................... 3-4

3-5 Desktop Expansion Slots .................................................................................... 3-5

3-6 Inside Expansion Slot Screw............................................................................... 3-6

3-7 Removing the Inside Expansion Slot Bracket ....................................................... 3-6

3-8 Minitower Expansion Slots.................................................................................. 3-7

3-9 Locating the Processor Socket............................................................................ 3-11

3-10 Removing the Heat Sink and Processor............................................................... 3-11

3-11 Processor Alignment ........................................................................................... 3-12

3-12 SIMM Socket Location...................................................................................... 3-16

3-13 SIMM Installation............................................................................................... 3-16

3-14 Video DRAM Socket Location........................................................................... 3-18

3-15 Video DRAM Module Installation....................................................................... 3-19

3-16 OSDA-90C, 1.44-MB Diskette Drive ................................................................ 3-21

3-17 FD-55GFR, 1.2-MB Diskette Drive ................................................................... 3-22

3-18 WDAC2540 540-MB Hard Disk Drive.............................................................. 3-23

3-19 CFA1275 1.275-GB Hard Disk Drive................................................................ 3-23

xContents

3-20 3 1/2-Inch Drive Bracket Screws........................................................................ 3-24

3-21 Desktop Front Panel Removal............................................................................. 3-25

3-22 Blank Panel Removal.......................................................................................... 3-26

3-23 Desktop 5 1/4-Inch Device Screws..................................................................... 3-27

3-24 Desktop 5 1/4-Inch Diskette Drive Cables.......................................................... 3-28

3-25 Desktop 5 1/4-Inch Hard Disk Drive Cables....................................................... 3-29

3-26 Front Panel Removal........................................................................................... 3-30

3-27 Minitower Blank Panel Removal.......................................................................... 3-31

3-28 Device Cage Removal......................................................................................... 3-32

3-29 Minitower 5 1/4-Inch Device Screws.................................................................. 3-33

3-30 Minitower 5 1/4-Inch Diskette Drive Cables........................................................ 3-34

3-31 Minitower 5 1/4-Inch Hard Disk Drive Cables .................................................... 3-35

3-32 Installing Optional 3 1/2-Inch Hard Disk Drive .................................................... 3-37

4-1 Removing the Keyboard Enclosure...................................................................... 4-3

4-2 Removing the Mouse Ball Cover......................................................................... 4-4

5-1 Top Cover Screws ............................................................................................. 5-3

5-2 Removing the Top Cover.................................................................................... 5-4

5-3 Expansion Slot Screw......................................................................................... 5-5

5-4 Inside Expansion Slot Screw............................................................................... 5-5

5-5 Removing the Expansion Slot L-Bracket.............................................................. 5-6

5-6 ISA/PCI-Bus Backboard Screws ....................................................................... 5-7

5-7 1/2-Inch Drive Bracket Screws........................................................................... 5-8

5-8 1/2-Inch Diskette and Hard Disk Drive Screws................................................... 5-9

5-9 Indicator Panel Connectors................................................................................. 5-10

5-10 Power Button Tabs............................................................................................. 5-11

5-11 Speaker Screw................................................................................................... 5-12

5-12 SIMM Socket.................................................................................................... 5-13

5-13 5 1/4-Inch Device Screws................................................................................... 5-14

5-14 5 1/4-Inch Device Cage Screws.......................................................................... 5-15

5-15 Power Button Screws......................................................................................... 5-16

5-16 Power Supply Screws......................................................................................... 5-17

5-17 PowerMate VP Series Desktop Illustrated Parts Breakdown*............................. 5-21

6-1 Removing the Top Cover Screws........................................................................ 6-3

6-2 Removing the Top Cover.................................................................................... 6-4

6-3 Minitower Bottom Access Cover........................................................................ 6-5

6-4 Expansion Slot Screw......................................................................................... 6-6

Contents xi

6-5 Front Panel Screws............................................................................................. 6-7

6-6 Power Button Tabs............................................................................................. 6-8

6-7 Blank Panel Removal.......................................................................................... 6-9

6-8 Speaker Tabs..................................................................................................... 6-10

6-9 SIMM Socket.................................................................................................... 6-11

6-10 Removing the Device Cage Screws..................................................................... 6-12

6-11 5 1/4-Inch Device Screws................................................................................... 6-13

6-12 3 1/2-Inch Hard Disk Drive Cables..................................................................... 6-14

6-13 Removing the 3 1/2-Inch Hard Disk Drive........................................................... 6-15

6-14 3 1/2-Inch Diskette Drive Cables........................................................................ 6-16

6-15 Diskette Drive Bracket Screws ........................................................................... 6-17

6-16 Diskette Drive Screws ........................................................................................ 6-18

6-17 Power Button Screws......................................................................................... 6-19

6-18 Power Supply Screws......................................................................................... 6-20

6-19 Chassis Support Bracket Screws ........................................................................ 6-21

6-20 PowerMate VP75 Series Minitower Illustrated Parts Breakdown* ...................... 6-25

A-1 System Board Layout ......................................................................................... A-1

A-2 Serial Interface (J3/J10)...................................................................................... A-3

A-3 Parallel Interface (J15)........................................................................................ A-4

A-4 Power Supply Connector (J8) Pin Assignments ................................................... A-6

C-1 Rear View of the Quadruple Speed Reader......................................................... C-1

C-2 Quadruple Speed Reader Jumper Settings........................................................... C-2

D-1 Jumpers on the Sound Board .............................................................................. D-2

D-2 Base I/O Address Settings of MPU-401 UART MIDI........................................ D-3

D-3 Joystick Connector Settings ................................................................................ D-3

D-4 Low DMA Channel Settings ............................................................................... D-4

D-5 High DMA Channel Settings ............................................................................... D-5

D-6 Base I/O Address Settings for the Audio Interface............................................... D-6

D-7 IRQ Line Settings for the Audio Interface............................................................ D-7

D-8 MPU-401 UART MIDI Settings......................................................................... D-8

List of Tables

1-1 System Board Chips........................................................................................... 1-5

1-2 System Memory Map......................................................................................... 1-7

1-3 I/O Address Map............................................................................................... 1-8

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