Lenovo ThinkSystem SR250 V2 - Page 132

d. Remove the PCIe adapter from PCIe slot 3. See “Remove the PCIe adapter (Slot 3)” on page
97
.
e. Disconnect the backplate or the backplane cables from the system board. See
“Backplane
and backplate cable routing” on page 41
.
f. Disconnect the fan cables from the system board. See
“Fan cable routing” on page 37.
g. Disconnect the front operator panel cables from the system board. See
“Front panel cable
routing” on page 35
.
h. Remove the memory modules. See
“Remove a memory module” on page 89.
i. Remove the heat sink. See
“Remove the heat sink” on page 86.
j. Remove the processor. See
“Remove the processor” on page 114.
Step 2. Remove all eight screws that secure the system board to the chassis.
Figure 116. System-board screws location
Notes:
• The order and locations of screws removal:
1 between the SATA connectors and the
system power connector
5 the lower right side
2 near the CMOS battery
6 the upper left side
3 near NMI button 7 the upper right side
4 near front USB 3.0 / 2.0 header
8 the lower left side
• For reference, the torque which is required for the screws to be fully tightened or removed is 5.0
+/- 0.5 lb-in.
Step 3. Slightly lift up the front side of the system board; then, slide the system board towards the front of
the server and lift it out of the server.
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ThinkSystem SR250 V2 Maintenance Manual