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 (FIGURE 10-8).

Replace the three screws securing the motherboard to the chassis (FIGURE 10-7).

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.

Chapter 10 Motherboard and Component Replacement 10-25

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Sun Microsystems 60 service manual Connect the following