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4. Gently lower the motherboard while tilting it down (
5. Align the motherboard so that the hooks fit into the holes of the motherboard tray.
Caution – Ensure that the hooks are located in the holes. Improper alignment can
damage the motherboard.
6. Turn the motherboard latch 90 degrees clockwise to secure the motherboard.
Ensure that the motherboard connector panel aligns with the chassis rear panel.
7. Connect the cables to the corresponding motherboard connectors (
I/O module signal and power cable at connector J3
I/O module USB cable at connector J36
DVD-dual drive connector at J11
Fan tray backplane cable at connector J20
Power supply cables at connectors J22, J28, and J45 (P1, P2, and P5)
Hard drive signal cable connector J42
3-24
Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual • May 2006
).
FIGURE 3-13
FIGURE 3-14
):
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