Remove the Motherboard
5.
Eject the drive backplane auxiliary power and front indicator module cable
connectors by opening both side latches (2, 3).
6.
Remove the server mid-wall (4).
a.
Using a screwdriver (No. 2 Phillips or flathead), loosen the four green
captive screws that secure the mid-wall to the server chassis.
b.
Lift up the mid-wall slightly to disengage it, then lift it out of the server and
set it aside.
7.
Loosen the one green captive screw that secures the motherboard to the
chassis (5).
8.
Remove the motherboard from the server chassis (6).
a.
Grasp the metal bracket located just to the rear of the DIMM sockets and
slide the motherboard toward the front of the server and lift it slightly to
disengage it from the standoffs that are located on the server chassis under
the motherboard.
b.
Lift the motherboard out of the server chassis, and place it on an antistatic
mat and next to the replacement motherboard.
9.
Remove the eUSB drive from the motherboard and install it on the replacement
motherboard.
See “Remove the eUSB Drive” on page 115.
10.
Remove the SEEPROM from the motherboard and install it on the replacement
motherboard.
11.
Remove the DIMMs from the motherboard and install them in the corresponding
DIMM sockets on the replacement motherboard.
For instructions, see “Servicing DIMMs” on page 75.
Note - Install the DIMMs only in the sockets (connectors) that correspond to the sockets from
which they were removed. Performing a one-to-one replacement of the DIMMs significantly
reduces the possibility that the DIMMs will be installed in the wrong slots. If you do not
reinstall the DIMMs in the same sockets, server performance might suffer and some DIMMs
might not be used by the server.
138 SPARC S7-2 Server Service Manual • March 2017
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