Lenovo 7D7Q, Maintenance Manual

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Figure 119. System-board screws location
Notes:
• The order and locations of screws installation :
1 the lower left side 5 near front USB 3.0 / 2.0 header
2 the upper right side 6 near NMI button
3 the upper left side 7 near the CMOS battery
4 the lower right side
8
between the SATA connectors and the
system power connector
• For reference, the torque which is required for the screws to be fully tightened or removed is 5.0
+/- 0.5 lb-in.
After you finish
1. Install the processor. See “Install the processor” on page 115 .
2. Install the heat sink. See “Install the heat sink” on page 87 .
3. Install the memory modules. See “Install a memory module” on page 91 .
4. Connect the front operator panel cables to the system board. See “Front panel cable routing” on page
35 .
5. Connect the fan cables to the system board by pressing it down until it clicks. See “Fan cable routing”
on page 37 .
6. Connect the backplate or the backplane cables to the system board. See “Backplane and backplate
cable routing” on page 41 .
7. Install the PCIe riser assembly. See “Install the PCIe riser assembly” on page 101 .
8. Install the PCIe adapter to PCIe slot 3. See “Install the PCIe adapter (Slot 3)” on page 98 .
9. Install the air baffle. See “Install the air baffle” on page 64 .
10. Install the top cover. See “Install the top cover” on page 134 .
11. Complete the parts replacement. See “Complete the parts replacement” on page 140 .
12. Reconnect power cords and all external cables.
Chapter 4
.
Hardware replacement procedures
127