Apple quadra 840av User Manuals

Table of Contents

• Macintosh Quadra 840AV

  1
• Specifications

  2
  • Processor

    3
    • CPU

      3
    • Addressing

      3
    • Direct Memory Access (DMA)

      3
    • Digital Signal Processor (DSP)

      4
  • Memory

    5
    • RAM

      5
    • ROM

      5
    • PRAM

      5
    • VRAM

      6
    • Clock/Calendar

      6
  • Disk Storage

    7
    • Floppy Drive

      7
    • Hard Drive

      7
    • CD-ROM Drive

      7
  • I/O Interfaces

    8
    • Serial

      8
    • GeoPort (Modem Port)

      9
    • Video

      9
    • S-Video Input & Output

      9
    • Composite Video Input & Output

      10
    • Ethernet

      10
    • Floppy Disk

      10
    • SCSI

      10
    • NuBus

      11
    • Expansion

      11
    • Audio

      12
    • Apple Desktop Bus

      12
  • I/O Devices

    13
    • Keyboard

      13
    • Mouse

      13
    • Microphone

      13
  • Sound and Video

    14
    • Video Display

      14
    • Sound Generator

      14
  • Electrical

    15
    • Line Voltage

      15
    • Frequency

      15
    • Maximum Power

      15
    • Power for SCSI Devices

      15
    • Power for NuBus Cards

      16
  • Physical

    17
    • Dimensions

      17
    • Weight

      17
  • Environmental

    18
    • Operating Temperature

      18
    • Storage Temperature

      18
    • Relative Humidity

      18
    • Altitude

      18
• Troubleshooting

  19
  • General

    20
  • Symptom Charts

    21
    • Error Chords

      21
    • System

      22
    • Video

      26
    • Floppy Drive

      28
    • Hard Drive

      31
    • Peripherals

      33
    • Miscellaneous

      36
    • CD-ROM Drive

      37
• Take Apart

  38
  • Macintosh Quadra 840AV

    38
  • Cover

    39
  • Floppy Drive

    40
  • Hard Drive

    42
  • CD-ROM Drive

    44
  • Logic Board

    47
  • Power Supply

    53
  • Speaker

    58
  • Rear Cover

    60
• Upgrades

  63
  • Expansion Cards

    64
  • CD-ROM Upgrade

    66
  • Power Macintosh Upgrade

    72
  • Power Macintosh 8500 Upgrade

    73
• Additional Procedures

  75
  • Battery Verification

    76
  • Battery Replacement

    78
  • Reset Logic Board

    81
• Exploded View

  86