NEC VP75MT Manuals

Manuals and User Guides for NEC VP75MT. We have 1 NEC VP75MT manual available for free PDF download: User Manual

NEC VP75MT User Manual

NEC VP75MT User Manual (210 pages)

Brand: NEC | Category: Desktop | Size: 0.91 MB

Table of Contents

Table of Contents
2
Preface
13
Abbreviations
14
Section 1 Technical Information

16
- Desktop System Unit
  17
- Minitower System Unit
  18
  - System Board
    19
List of Tables

20
- System Board Chips
  20
  - Processor
    21
  - Secondary Cache
    21
  - Flash ROM
    21
- System Memory Map
  22
  - Power Management
    23
  - I/O Addressing
    23
- I/O Address Map
  23
  - System Memory
    25
  - Interrupt Controller
    25
- Interrupt Level Assignments
  25
  - Video Controller
    26
  - Video Memory
    27
- Video Resolutions and Frequencies
  27
  - IDE/PCI-Bus Backboard
    29
    
    ISA Bus
    29
    
    PCI Local Bus
    29
    
    PCI Auto Configuration
    29
  - Parallel Interface
    30
  - Serial Interface
    30
- Parallel Port Addressing and Interrupts
  30
  - Indicator Panel
    31
- Power Supply
  31
- Diskette Drive
  31
- Hard Disk Drive
  31
- Serial Port Addressing and Interrupts
  31
- Diskette Drive
  32
- Hard Disk Drive
  32
- Network Board
  32
- Multimedia Components
  33
  - Quad-Speed CD-ROM
    33
  - Sound Board
    33
  - Speakers
    33
  - Microphone
    34
- Keyboard
  34
- Mouse
  34
- Power Management
  34
- Plug and Play
  35
- Desktop Management Interface
  35
  - DMI Components
    36
  - Manageable Products
    36
  - CI Module
    36
  - MIF Browser
    36
  - Usage
    37
  - Troubleshooting
    37
Section 2 Setup and Operation

39
- Unpacking and Repacking
  39
- Setup
  39
- Desktop Voltage Selector Switch
  40
- Desktop Peripherals Connections
  41
- Desktop Network Board Connections
  42
- Desktop Multimedia Connections
  43
- Desktop Power Button, Lamps, and Suspend Button
  44
  - Minitower Setup
    45
- Minitower Voltage Selector Switch
  45
- Minitower Peripherals Connections
  46
- Minitower Network Board Connections
  47
- Minitower Sound/Fax/Modem Board Connectors
  48
- Minitower Power Button, Indicators, and Suspend Button
  49
- CD-ROM Reader
  50
- CD-ROM Reader Controls and Indicators
  50
- External Multimedia Connections
  51
  - Connecting the Speakers
    51
- Ready 9520 Speaker Connections
  52
- System Configuration
  53
  - How to Start Setup
    54
  - How to Use Setup
    54
    
    Menu Bar
    55
    
    Legend Bar
    56
    
    Field Help Window
    56
- Setup Key Functions
  56
  - General Help Window
    57
  - Main Menu Options
    57
- Legend Bar Main Menu Parameters
  57
  - IDE Adapters
    58
- IDE Hard Disk Parameters
  59
  - Memory Shadow
    60
  - Boot Sequence
    60
  - Memory Shadow Parameters
    60
- Boot Parameters
  60
  - Numlock
    61
  - Advanced Menu
    62
    
    Integrated Peripherals Menu
    62
    
    Parity
    63
    
    Large Disk Access Mode
    63
- Integrated Peripherals Parameters
  63
- Large Disk Parameters
  63
  - Security Menu
    64
- System Security Options
  64
  - Power Menu
    65
  - Exit Menu
    66
    
    Save Changes & Exit
    66
    
    Discard Changes & Exit
    66
    
    Get Default Values
    66
- Power Management Parameters
  66
  - Load Previous Values
    68
  - Save Changes
    68
- Bios Update Utility
  68
- System Board Jumpers
  69
  - Jumper Locations
    70
  - Jumper Settings
    70
- Locating System Configuration Jumpers
  70
- SIMM Type Jumper JP1
  71
- Processor Speed Jumpers JP5, JP6, and JP7
  71
- Bus Speed Jumper JP10
  72
- Processor Voltage Jumper JP12
  72
  - Changing Jumper Settings
    73
  - CMOS Jumper
    73
Section 3 Options

74
Section 4 Maintenance and Troubleshooting

114
- NEC Service and Information Telephone Numbers
  114
- Maintenance
  115
  - System Unit
    115
  - Keyboard
    116
  - Mouse
    117
- Troubleshooting
  118
  - Error Messages
    118
  - System Error Messages
    118
  - Diagnosing and Solving Problems
    120
- ISA NMI Error Messages
  120
- Problems and Solutions
  120
  - Beep Codes
    124
- Bios Update Utility
  124
  - Diagnostic Beep Codes
    124
  - NEC Bulletin Board Service
    125
  - Using the BIOS Update Utility
    126
Section 5 Desktop Repair

127
- Disassembly and Reassembly
  127
- Powermate VP Series Desktop Disassembly Sequence
  127
  - Top Cover Removal
    129
- Top Cover Screws
  129
  - Expansion Board Removal
    130
- Removing the Top Cover
  130
- Inside Expansion Slot Screw
  131
- Removing the Expansion Slot L-Bracket
  132
- Inch Drive Bracket Screws
  134
- Inch Diskette and Hard Disk Drive Screws
  135
  - Front Panel Assembly Removal
    136
- Indicator Panel Connectors
  136
  - Power Button Cover Removal
    137
  - Power Button Tabs
    137
  - Speaker Assembly Removal
    138
- Speaker Screw
  138
  - SIMM Removal
    139
  - SIMM Socket
    139
  - Optional 5 1/4-Inch Device Removal
    140
- Inch Device Screws
  140
  - 1/4-Inch Device Cage Removal
    141
  - Inch Device Cage Screws
    141
  - Power Supply Removal
    142
  - Power Button Screws
    142
- Power Supply Screws
  143
  - System Board Removal
    144
  - Illustrated Parts Breakdown
    145
- Powermate VP Series Desktop Field-Replaceable Parts List*
  145
- Powermate VP Series Desktop Options*
  148
- Powermate VP Series Desktop Documentation and Packaging
  148
Section 6 Minitower Repair

149
- Disassembly and Reassembly
  149
- Powermate VP Series Minitower Disassembly Sequence
  149
  - Top Cover Removal
    151
- Removing the Top Cover Screws
  151
- Removing the Top Cover
  152
  - Bottom Access Cover Removal
    153
  - Minitower Bottom Access Cover
    153
  - Expansion Board Removal
    154
- Expansion Slot Screw
  154
  - Front Panel Assembly Removal
    155
- Front Panel Screws
  155
  - Power Button Cover Removal
    156
- Power Button Tabs
  156
  - Blank Panel and Metal Cover Plate Removal
    157
  - Blank Panel Removal
    157
  - Speaker Assembly Removal
    158
- Speaker Tabs
  158
  - SIMM Removal
    159
  - SIMM Socket
    159
- Removing the Device Cage Screws
  160
  - 1/4-Inch Device Cage Removal
    160
  - 1/4-Inch Device Removal
    161
  - Inch Device Screws
    161
  - 1/2-Inch Hard Disk Drive Removal
    162
  - Inch Hard Disk Drive Cables
    162
- Removing the 3 1/2-Inch Hard Disk Drive
  163
  - 1/2-Inch Diskette Drive Removal
    164
  - Inch Diskette Drive Cables
    164
- Diskette Drive Bracket Screws
  165
- Diskette Drive Screws
  166
- Power Button Screws
  167
  - Power Supply Removal
    167
  - Power Supply Screws
    168
  - PCI/ISA Backboard Removal
    169
- Chassis Support Bracket Screws
  169
  - System Board Removal
    170
- Powermate VP Minitower Field-Replaceable Parts List
  171
  - Illustrated Parts Breakdown
    171
- Powermate VP75 Series Minitower Illustrated Parts Breakdown*
  174
- Powermate VP Series Minitower Options
  175
- Powermate VP Minitower Documentation and Packaging*
  175
Appendix A Connector Pin Assignments

176
- A-1 System Board Layout
  176
- A-1 System Board Connector Descriptions
  177
- Serial Interface Connectors
  178
- A-2 Serial Interface (J3/J10)
  178
- Parallel Interface Connector
  179
- A-3 Parallel Interface (J15)
  179
- VGA Interface Connector Pin Assignments
  180
- Speaker Connector Pin Assignments
  180
- A-2 Video Connector (J20) Pin Assignments
  180
- Power Supply Connector
  181
- Keyboard and Mouse Connectors
  181
- A-4 Keyboard (J1) and Mouse (J2) Connector Pin Assignments
  181
- Power Lamp Connector
  182
- Hard Disk Drive Busy Lamp Connector
  182
- Fan Connector
  182
- A-6 Hard Disk Drive Lamp Connector (J14) Pin Assignments
  182
- Suspend Button Connector
  183
- Diskette Drive Interface Pin Assignments
  184
- A-9 Diskette Drive Connector (J5) Pin Assignments
  184
- IDE Interface Connectors
  185
- A-10 IDE/PCI Connector Pin Assignments (J4,J7)
  185
- SIMM Sockets
  186
- A-11 SIMM Socket Pin Assignments
  186
- ISA/PCI-Bus Backboard Connector Pin Assignments
  187
- ISA Expansion Bus Connector Pin Assignments
  189
- Sound Board Pin Assignments
  191
  - A-14 Sound Board Signal Connector
    191
  - A-15 Audio Connector
    192
  - A-16 MIDI/Joystick Connector
    192
Appendix B Specifications

193
- System Unit Specifications
  193
- Power Supply Specifications
  195
- B-2 Power Supply Input Requirements
  195
- Diskette Drive Specifications
  196
  - B-3 Power Supply Output Specifications
    196
  - B-4 Specifications for Diskette Drives
    196
- Hard Disk Specifications
  198
Appendix C CD-ROM Reader Configuration

199
Appendix D Sound Board Configuration

201
- Changing Hardware Settings
  201
  - D-1 Jumpers on the Sound Board
    202
  - D-2 Base I/O Address Settings of MPU-401 UART MIDI
    203
  - Joystick Connector
    203
  - MIDI Base I/O Address
    203
  - Audio Interface DMA Channel
    204
    
    D-4 Low DMA Channel Settings
    204
    
    D-5 High DMA Channel Settings
    205
  - Audio Interface Base I/O Address
    206
  - D-6 Base I/O Address Settings for the Audio Interface
    206
  - Audio Interface IRQ Line
    207
    
    D-7 IRQ Line Settings for the Audio Interface
    207
    
    D-8 MPU-401 UART MIDI Settings
    208
  - MIDI Interface
    208
    
    Battery Disposal
    210
    
    Battery Replacement
    210

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