6-28 SPARC Enterprise M4000/M5000 Servers Service Manual • December 2010
6.3.5 Accessing the Tape Drive Backplane of the M4000
Server
Caution – There is an electrical hazard if the power cords are not disconnected. All
power cords must be disconnected to completely remove power from the server.
Caution – Use proper ESD grounding techniques when handling components. See
Section 1.1, “Safety Precautions” on page 1-1.
1. Power off the server.
This step includes turning the key switch to the Service position, confirming that
the POWER LED is off, and disconnecting power cables. See Section 4.4.1,
“Powering the Server Off Using Software” on page 4-12.
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.
2. Remove the fan cover.
This step includes deploying the rack’s antitilt features (if applicable), sliding the
server out of the equipment rack, removing the 60-mm fan units and removing the
fan cover. See Section 5.3.1, “Removing the Fan Cover” on page 5-8.
3. Remove the 60-mm fan backplane.
This step includes removing the cable connectors, loosening the captive screws
and removing the 60-mm fan backplane. See Section 10.1.10, “Removing the
60-mm Fan Backplane” on page 10-11.
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