Sun Microsystems Netra 440, Service Manual

Page: 95 / 166

Chapter 4 Removing and Replacing Cold-Swappable Components 77
2. Insert fan tray 3 into the system until it is firmly seated.
3. Connect the fan cable to the SCSI backplane.
4. Replace the top cover.
See “Installing the Top Cover” on page 31 .
5. Power on the system.
See “Powering On the System” on page 22 .
CPU/Memory Module
The part numbers for the CPU/memory module are:
■
1.28 GHz CPU/memory module with no memory—F501-6370
■
1.28 GHz CPU/memory module with 2 GB memory (4 x 512 MB
DIMMs)—X7426A
■
1.28 GHz CPU/memory module with 4 GB memory (4 x 1 GB DIMMs)—X7416A
Removing a CPU/Memory Module
If a CPU/memory module fails, POST diagnostics alerts ALOM to light the
enclosure status Service Required LED.
Caution –
The system supplies power to the CPU/memory module even when the
system is powered off. To avoid personal injury or damage to the system, you must
disconnect all AC or DC power cables before servicing the CPU/memory module.
1. Power off the system.
See “Powering Off the System” on page 26 .
2. Attach the antistatic wrist strap.
See “Avoiding Electrostatic Discharge” on page 32 .
3. Remove the top cover.
See “Removing the Top Cover” on page 30 .