Chapter 13 Motherboard Unit Replacement 13-7
and turning the keyswitch to the Locked position. See “Powering the Server On
Using Software” on page 4-13.
Note – If the 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 “Verifying Hardware Operation” on page 4-9 for more information.
13.1.5 Accessing the SPARC Enterprise M5000
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 “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 SPARC Enterprise 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 “Removing
the Top Cover” on page 5-5.
Caution – Use proper ESD grounding techniques when handling components. See
“Safety Precautions” on page 1-1.