Fujitsu SPARC Enterprise M4000, Service Manual

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Chapter 13 Motherboard Unit Replacement 13-7
Note – If the Oracle Solaris automatic booting is set, use the
sendbreak -d
domain_id command after the display console banner is displayed but before the
system starts booting the operating system to get the
ok
prompt.
7. Confirm the hardware.
This step includes running programs to be certain all components are mounted
again and then booting the operating system.
Refer to Section 4.3.2, “Verifying Hardware Operation” on page 4-9 for more
information.
13.1.5 Accessing the M5000 Server Motherboard Unit
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.
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 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 –
Use proper ESD grounding techniques when handling components. See
Section 1.1, “Safety Precautions” on page 1-1 .
3. Remove all CPU modules and filler panels.
See Section 12.1.2, “Removing the CPU Module” on page 12-5 .