Replacing The Motherboard - Sun Microsystems Sun Blade 1000 Service Manual

8.8.2

Replacing the Motherboard

Caution – Use proper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an antistatic mat. Store ESD-sensitive components in
antistatic bags before placing them on any surface.
1. Place the motherboard on an antistatic mat.
Caution – Handle the motherboard only by its edges or the shroud.
2. Replace the workstation ID SEEPROM.
See
FIGURE C-15
3. Install a new battery.
See Section 8.7.2, "Replacing the Battery" on page 8-34.
4. Replace the DIMMs.
See Section 8.6.2, "Replacing a DIMM" on page 8-32.
5. Replace the CPU shroud cover.
See Section 8.9.2, "Replacing the CPU Shroud" on page 8-41.
6. Using needle-nosed pliers, remove the CPU connector covers.
7. Position the motherboard in the chassis (
8. Align the motherboard frame with the chassis tabs and carefully slide the
motherboard toward the chassis back panel until the motherboard frame is
engaged with the chassis tabs.
9. Using a No. 2 Phillips screwdriver, replace the three screws that secure the
motherboard to the chassis back panel (
10. Connect the following cables to the motherboard:
Power supply cables to each fan
Combined cable assembly
Internal SCSI cable assemblies
Peripheral power cable assembly
FC-AL backplane cable assembly
Diskette drive cable assembly
Smart card reader cable assembly
Logo LED cable assembly
11. Connect the power supply cables to motherboard connectors J3601 and J3603.
8-38 Sun Blade 1000 and Sun Blade 2000 Service Manual • January 2002
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).
FIGURE 8-20
).
FIGURE 8-20