3-22 Sun Ultra 45 and Ultra 25 Workstations Service and Diagnostics Manual • May 2006
6. Disconnect the following power and signal cables from the motherboard
(
FIGURE 3-12):
■ I/O module signal and power cable at connector J3
■ I/O module USB cable at connector J36
■ DVD-dual drive cable at connector J11
■ Fan tray backplane cable at connector J20
■ Power supply cables at connectors J22, J28, J45 (P1, P2, and P5)
■ Hard drive signal cable connector J42
FIGURE 3-12 Disconnecting Motherboard Cables
7. Turn the motherboard latch 90 degrees counterclockwise (FIGURE 3-13).
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