Sun Microsystems Ultra 60 Service Manual page 173

3. Replace the motherboard as follows:
a. Replace the following to the motherboard:
NVRAM/TOD with carrier. See Section 10.2.2, "Replacing the NVRAM/TOD"
on page 10-6.
DIMMs. See Section 10.5.2, "Replacing a DIMM" on page 10-15.
Shroud assembly. See Section 8.10.2, "Replacing the Shroud Assembly" on
page 8-39.
CPU modules. See Section 10.1.3, "Replacing the CPU Module" on page 10-4.
b. Grasping the shroud assembly handle, position the motherboard into the
chassis.
c. Using a number 2 Phillips-head screwdriver, proceed as follows:
Tighten the two captive screws securing the shroud assembly and the
motherboard to the chassis (
Replace the three screws securing the motherboard to the chassis (
d. Connect the following:
Peripheral cable. See Section 8.4.2, "Replacing the Peripheral Power Cable
Assembly" on page 8-12.
Note – Ensure that the peripheral power cable is routed through the cable routing
clips.
External cables.
DC power cable.
Internal SCSI cable assembly.
Note – Ensure that the SCSI cable is routed through both plastic spring clips
installed adjacent to the drive bay.
PCI fan assembly power connector.
e. Latch the shroud to the PCI fan bracket hinge clip.
f. Replace the following to the motherboard:
PCI card(s). See Section 10.3.2, "Replacing a PCI Card" on page 10-9.
UPA graphics card(s). See Section 10.4.2, "Replacing the UPA Graphics Card"
on page 10-11.
Audio card. See Section 10.6.2, "Replacing the Audio Card" on page 10-18.
4. Replace the power supply.
See Section 8.1.2, "Replacing the Power Supply" on page 8-3.
).
FIGURE 10-8
Chapter 10 Motherboard and Component Replacement
).
FIGURE 10-7
10-25