Apple Power Macintosh G3 Specifications Page 203
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting General/Logic Board LEDs - 8
Logic Board LEDs
There are seven LEDs on the Power Macintosh G3/Macintosh
Server G3 (Blue and White) computer. A graphic follows that
identifies their logic board location.
DS1 = ATA drive activity
If a CD and/or Zip are attached to the ATA bus, this LED will
illuminate at power/on restart time for a few seconds. After that,
it is unlikely it will illuminate again in a trouble-free system. If
this light stays on for a prolonged period, this is a sign of trouble
on the ATA bus. If devices are connected to the ATA bus and this LED
is dark at boot time, that is also likely a sign of trouble. If a hard
disk drive were attached to this bus, the LED would flicker
regularly indicating drive activity (reads/writes).
Note:
There is no DS2 or DS3 on the board
- Hot Issues 2
- Introduction 3
- Processor Module vs. Card 4
- Processor Module Jumper 4
- Warranty Sticker 5
- Power Supply Voltage Setting 5
- I/O Card 6
- SDRAM DIMMS 6
- SGRAM Video Memory 11
- Overview 13
- Features 14
- Configure-to-Order 20
- Basics Right Side View - 10 22
- Basics Left Side View - 11 23
- Basics Internal Locator - 12 24
- VOID Warrenty 26
- Seal if Broken 26
- RAM Expansion 27
- No Video RAM Expansion 28
- No L2 Cache Expansion 29
- DVD-ROM and DVD MPEG2 Decode 30
- Card Module 30
- Drives Installed 33
- Ultra ATA Drives 35
- Ultra2 LVD SCSI Drives 35
- Other Types of SCSI Drives 37
- ATAPI CD-ROM Drive 38
- Optional ATAPI Zip Drive 39
- Optional DVD-ROM Drive 39
- I/O Ports 40
- Keyboard 41
- FireWire Ports 42
- No SCSI Ports 42
- Ethernet Port 43
- Internal Modem 44
- Sound System 45
- Sound Output 46
- Sound Input 47
- Digitizing Sound 49
- Basics - 38 50
- The Cuda Chip 51
- Voltage Switch 54
- Repair Strategy 55
- USA Ordering 56
- Canadian Ordering 57
- Warranty/AppleCare/ARIS 58
- Specifications 59
- Hard Drive Specifications 61
- 12G - 5400 rpm drive 62
- 9 GB SCSI Drives 63
- Notes 68
- Take Apart 69
- Opening the 71
- Computer 71
- Logic Board 73
- Hard Drive, IDE / 77
- (Flat and U-shaped) 78
- Version 1 79
- Version 2 82
- 2 Remove the hard drive 83
- Hard Drive, Ultra2 88
- LVD SCSI 88
- Version 1 Carrier 97
- Replacement 97
- 4 Remove the hard drive 101
- Carrier Support 107
- Video Card and 110
- DVD Decoder 110
- Ultra2 LVD SCSI 113
- FireWire Board 115
- Processor Module 124
- 5 Lift the lever to release 128
- Processor 132
- SDRAM DIMM 134
- CD-ROM/DVD 136
- ROM/DVD-RAM/ 136
- Zip Drive Bezel 136
- CD-ROM, DVD 138
- ROM, or DVD 138
- RAM Drive 138
- Zip Drive 144
- Take Apart Fan - 76 145
- Before you begin, open the 145
- Power Supply 149
- Take Apart Power Supply - 82 151
- 2 Using a 2.5 mm allen 151
- Handle, Top Front 154
- Handle, Top Rear 157
- Panel, Top 159
- Panel, Front 161
- ±Warning: When the 161
- Take Apart Panel, Front - 93 162
- 1 Open the side access 162
- Panel, Rear 164
- 4 Once the tabs are 166
- Panel, Side, Right 167
- 1 Remove the four 2.5 mm 168
- Panel, Side, Left 171
- Panel, Latch 175
- Panels, Lower 177
- Front and Lower 177
- Supports, Front 179
- 1 Using a 2.5 mm allen 180
- 2 Lift the support off the 181
- Panel, I/O Cover 182
- Front Panel Board 188
- 1 Disconnect the front 189
- (FireWire), and open 189
- I/O Panel 192
- Take Apart I/O Panel - 124 193
- 1 Remove the two screws 193
- Take Apart I/O Panel - 125 194
- 2 Tilt the I/O panel 194
- Troubleshooting 195
- Block Diagram 196
- Logic Board Diagram 198
- Logic Board Troubleshooting 199
- Resetting the Cuda Chip 200
- Resetting the Logic Board 201
- Logic Board Battery 202
- Logic Board LEDs 203
- Logic Board LEDs Locator 207
- Processor and Jumper Block 208
- PCI Expansion Slots 210
- Video I/O Card 211
- SDRAM Do’s and Don’ts 213
- Power Supply Verification 216
- HFS Plus Formatted Drives 221
- VGA-to-Macintosh Adapters 224
- Symptom Charts 225
- Error Beeps 235
- Video and Sound 237
- Hard Drive 244
- CD-ROM and DVD-ROM Drives 246
- Network Problems 255
- Miscellaneous 261
- Upgrades 262
- DRAM Upgrade 263
- DRAM DIMM 265
- Installation 265
- Drive Upgrades 267
- Supported Drives 269
- SCSI ID Numbers 270
- SCSI Drive 271
- Upgrade Procedure 271
- Retainer 272
- Power Cable 273
- ATA Hard Drive 274
- SCSI Hard Drive 274
- Drive Carrier 274
- Power Cable P2 275
- Power Cable P3 275
- Sample SCSI Hard 277
- Drive and Cable 277
- Configurations 277
- Zip Drive Upgrade 279
- PCI Expansion 280
- PCI Card 282
- Exploded View 290
- Exploded View 1 291
- Exploded View 2 292
- Exploded View 3 293
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