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Power Supply
DANGER
Do not attempt to open the covers of the power supply. Power supplies
are not servicable and are to be replaced as a unit.
Removal
1. Remove the cover as described in “Removing the Cover” on page 7-3.
2. Remove the riser card support bracket, as described in “Riser Card Support
Bracket” on page 7-10.
3. Disconnect the power supply cables from the system board connectors and any
installed drives. Label each cable, identifying where it connects.
4. Remove the mounting screws from the rear of the power supply.
5. Remove the power supply from the system by moving it forward and then
upward, as shown in the following illustration:
Replacement
Replace in reverse order, noting the following power supply cable attachments.
System board power cables
Diskette drive power cable
Disk drive power cables
Media drive power cables
Chapter 7. Removal and Replacement Procedures 7-7
- Service Guide 1
- Contents 5
- Communications Statements 9
- VCCI Statement 11
- Radio Protection for Germany 12
- Safety Notices 13
- Laser Safety Information 14
- Environmental Notices 15
- About This Book 17
- Trademarks 18
- Front View 19
- Rear View 20
- Front View without Covers 21
- Power Supply 23
- Operating Voltage 23
- Heat Output (Maximum) 23
- Acoustics 23
- System Board Locations 24
- System Board Jumper Settings 26
- SCSI Bus Termination 27
- Service Inspection Guide 28
- Entry MAP 31
- Purpose of This MAP 36
- Step 1020-1 36
- Step 1020-2 38
- Step 1020-3 38
- Purpose of this MAP 39
- General Memory Information 39
- Step 1240-1 40
- Step 1240-2 40
- Step 1240-3 41
- Step 1240-4 41
- MAP 1520: Power 42
- Step 1520-1 43
- Step 1520-2 43
- Step 1520-3 44
- Step 1520-4 45
- Step 1520-5 46
- Step 1540-1 48
- Step 1540-2 48
- Step 1540-3 49
- Step 1540-4 50
- Step 1540-5 51
- Step 1540-6 51
- Step 1540-7 52
- Step 1540-8 52
- Step 1540-9 53
- Step 1540-10 55
- Step 1540-11 56
- Step 1540-12 57
- Step 1540-13 58
- Step 1540-14 59
- Step 1540-15 60
- Step 1540-16 60
- Step 1540-17 61
- Step 1540-18 61
- Step 1540-19 62
- Step 1540-20 63
- Step 1540-21 64
- Step 1540-22 64
- Memory PD Bits 77
- Firmware Checkpoints 78
- Boot Problems or Concerns 91
- Chapter 4. Location Codes 95
- AIX Location Codes 97
- Non-SCSI Devices/Drives 97
- SCSI devices/drives 99
- Default Boot List 101
- Custom Boot List 101
- Recommended Boot Options 103
- MultiBoot 110
- Utilities 113
- Password 115
- Power-On Password 115
- Enter Password 116
- Verify Password 116
- Privileged-Access Password 117
- Hard Disk Spin Up Delay 119
- Error Log 120
- Set Address 121
- Ping Config 121
- Firmware Update 125
- Firmware Recovery 126
- Display Configuration 128
- MultiBoot Menu 129
- Select Boot Devices 130
- Display Error Log 136
- Ethernet adapter: 139
- Change SCSI ID 141
- Update System Firmware 141
- Select Language 143
- Open Firmware Command Line 144
- Removing the Cover 147
- Replacement 149
- DASD 2-Pack Assembly 150
- Removal 150
- Power Supply 151
- Cable Ties 152
- (Top View) 153
- Riser Card Support Bracket 154
- Riser Card 155
- System Board 156
- Fansink Location 158
- Replacement 159
- Front Covers 161
- Power Switch 162
- I/O Port Cable Assembly 165
- Diskette Drive Assembly 166
- CD-ROM Drive Assembly 167
- Internal Disk Drives 168
- Memory Modules 170
- Removing Memory Modules 170
- Changing the Battery 175
- Chapter 8. Parts Information 177
- Keyboards and Mouse 182
- Power Cables 183
- Index X-1 191
- Index X-3 193
- X-5 195
- Information Development 196
- Department H6DS-9561 196
- 11400 Burnet Road 196
- Austin, TX 78758-3493 196
- BUSINESS REPLY MAIL 196
- Part Number: 03N4113 198
- SA38-564- 198
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