Securing The Server; I/O Unit Dc-Dc Converter Replacement - Fujitsu SPARC ENTERPRISE M4000 Service Manual

8.3.4

Securing the Server

1. Power on the server.
This step includes reconnecting power cables, verifying the state of the LEDs,
and turning the keyswitch to the Locked position. See
Using Software" on page
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.
2. Confirm the hardware.
This step includes running programs to be certain all components are mounted
again and then booting the operating system.
Refer to
8.4 I/O Unit DC-DC Converter
Replacement
The DC-DC converters are cold replacement components. This means the entire
server must be powered off and the power cords disconnected to replace a DC-DC
converter on the I/O unit.
FIGURE 8-8
Converter Connector, and the DC-DC Converter Riser.
8-12 SPARC Enterprise M4000/M5000 Servers Service Manual • August 2009
4-12.
"Verifying Hardware Operation" on page 4-9
shows the location of the I/O unit DC-DC converter, the DC-DC
"Powering the Server Off
for more information.