Remove The Motherboard Assembly - Fujitsu SPARC ENTERPRISE T5140 Service Manual

Related Information
"Remove the Motherboard Assembly" on page 123
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"Install the Motherboard Assembly" on page 125
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▼ Remove the Motherboard Assembly

Caution – This procedure requires that you handle components that are sensitive to
electrostatic discharge. This discharge can cause server components to fail.
1. Run the showrc command and make a note of any SP variables that have been
modified from the factory default.
2. Stop Solaris OS to get the OpenBoot PROM prompt.
3. Run the printenv command to make a note of any OpenBoot PROM variables
that have been modified
4. Power off the server.
See "Removing Power From the System" on page
5. Remove the server from the rack.
See "Remove the Server From the Rack" on page
6. Attach an antistatic wrist strap.
7. Remove the top cover.
See "Remove the Top Cover" on page 67
8. Remove the air duct.
See "Remove the Air Duct" on page
9. Remove all PCIe/XAUI riser assemblies.
See "Remove a PCIe/XAUI Riser" on page
Note – Make note of the location of expansion cards in PCIe/XAUI risers 0 and 1.
10. Disconnect the motherboard-to-power distribution board ribbon cable.
11. Disconnect the hard drive data cables:
60.
64.
.
.
103.
105.
Servicing Motherboard Components 123