14-4 SPARC Enterprise M4000/M5000 Servers Service Manual • December 2010
Caution – Use proper ESD grounding techniques when handling components. See
Section 1.1, “Safety Precautions” on page 1-1.
2. Remove the I/O unit.
Removing the I/O unit includes multiple steps such as removing labelling and
disconnecting the cables, removing the PCI cassettes, and disconnecting the cable
management arm. See Section 8.3.2, “Removing the I/O Unit” on page 8-10.
3. Remove the XSCF unit.
See Section 9.1.2, “Removing the XSCF Unit” on page 9-4.
Caution – To prevent the equipment rack from tipping over, you must deploy the
antitilt feature, if applicable, before you slide the server out of the equipment rack.
Note – When drawing out the M4000/M5000 server to the front, release the cable tie
holding the PCI cables on the rear of the server.
4. Remove the top cover.
This step includes deploying the rack’s antitilt features (if applicable), sliding the
server out of the equipment rack, and removing the top cover. See Section 5.2.1,
“Removing the Top Cover” on page 5-5.
Caution – The motherboard unit is a long and heavy assembly that houses the
system motherboard on the underside. Two people are recommended to lift the unit.
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