IBM 866631Y - Netfinity 7100 - 8666, Hardware Maintenance Manual, Page: 119 / 198

FRU information (service only)
Field Replacement Units (FRUs) should be replaced by qualified service personnel
only.
Diagnostic switch card
Use the following illustration when replacing the diagnostic switch card.
Review the information in “Before you begin” on page 43.
SMI
NM I
PCIA
PCIB
PS3
PS4
SP
OVER
SPEC
MEM
NO N RED
F A
N TEMP
VRM
CPU
DASD1
PS2
PS1
PCIC
«1¬
Holding screw
«2¬
Diagnostic switch card
1. Power-off the server, if it is on.
2.
Disconnect the power cord for each power source from the electrical outlet.
Attention:
The presence of ac standby power might result in damage to the
hardware unless you disconnect the power cord for each power source from
the electrical outlet.
3. Remove the top cover (see “Removing the top cover” on page 45).
4. DIsconnect the shuttle (see “Disconnecting the shuttle” on page 110) and move
it back slightly.
5. Disconnect the front LED card assembly cable from the diagnostic switch card.
6.
Disconnect the diagnostic switch card cable.
7. Remove the screw from the diagnostic switch card.
8.
Replace the card and reattach the front LED card cable and the diagnostic
switch card cable.
© Copyright IBM Corp. 1999
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