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2-2 Sun Fire X4100 and Sun Fire X4200 Servers Service Manual • June 2006
2.1 Powering On the Server
Note – Before powering on your server for the first time, follow the installation and
cabling instructions provided in the Sun Fire X4100 and Sun Fire X4200 Servers
Installation Guide, which is shipped with the system and is also available online at
the URL described in “Related Documentation” on page -xii.
Caution – Do not operate the server without all fans, component heatsinks, air
baffles, and covers installed. Severe damage to server components can occur if the
server is operated without adequate cooling mechanisms.
1. Verify that AC power cords have been connected to the server's power supplies
and that standby power is on.
In standby power mode, the Power/OK LED on the front panel flashes, indicating
that the service processor is working and the system is ready to be fully powered on
to main power mode. See
FIGURE 2-1 or FIGURE 2-2 for the LED location.
2. Use a ballpoint pen or other stylus to press and release the recessed Power button
on the server front panel. See
FIGURE 2-1 or FIGURE 2-2 for the Power button location.
When main power is applied to the full server, the Power/OK LED next to the
Power button lights and remains lit.
FIGURE 2-1 Sun Fire X4100 Server Front Panel
FIGURE 2-2 Sun Fire X4200 Server Front Panel
Power buttonPower/OK LED
Power buttonPower/OK LED