HP 8100 Maintenance and Service Guide: HP Compaq 8100 and 8180 Elite Business - Page 151

Preparation for Disassembly, on Computer Access Panel, Installing Additional Memory

Page 151 highlights

Table 7-5 Power Supply Cable Connectors Power Supply Connector Power Cable Connector Label System Board Connector Label 6-pin, white P1 PWR 6-pin, white P2 PWRCMD 4-pin, white P3 PWRCPU CAUTION: When installing the power supply cables, make sure they are properly positioned so they are not cut by the drive cage and are not pinched by the rotating power supply. System Board 1. Prepare the computer for disassembly (Preparation for Disassembly on page 90). 2. Remove the access panel (Computer Access Panel on page 99). 3. When replacing the system board, make sure the following components are removed from the defective system board and installed on the replacement system board: ● Memory modules (seeInstalling Additional Memory on page 102) ● Expansion cards (Expansion Cards on page 106) ● Heat sink (Heat sink on page 137) ● Processor (Processor on page 138) 4. Remove the baffle from the chassis (Baffle on page 131). 5. Remove the fan from the chassis (Front Fan Assembly on page 132). 6. Rotate the drive cage to its upright position. 7. Rotate the power supply to its full upright position. 8. Disconnect all data and power cables from the system board. 9. Disconnect the balance of the cables from the system board. System Board 141

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Table 7-5
Power Supply Cable Connectors
Power Supply Connector
Power Cable Connector
Label
System Board
Connector
Label
6-pin, white
P1
PWR
6-pin, white
P2
PWRCMD
4-pin, white
P3
PWRCPU
CAUTION:
When installing the power supply cables, make sure they are properly positioned so
they are not cut by the drive cage and are not pinched by the rotating power supply.
System Board
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
90
).
2.
Remove the access panel (
Computer Access Panel
on page
99
).
3.
When replacing the system board, make sure the following components are removed from the
defective system board and installed on the replacement system board:
Memory modules (see
Installing Additional Memory
on page
102
)
Expansion cards (
Expansion Cards
on page
106
)
Heat sink (
Heat sink
on page
137
)
Processor (
Processor
on page
138
)
4.
Remove the baffle from the chassis (
Baffle
on page
131
).
5.
Remove the fan from the chassis (
Front Fan Assembly
on page
132
).
6.
Rotate the drive cage to its upright position.
7.
Rotate the power supply to its full upright position.
8.
Disconnect all data and power cables from the system board.
9.
Disconnect the balance of the cables from the system board.
System Board
141