Chapter 2 Installing Server Options 23
▼ Prepare Server to Install Options
To prepare the server to install the options, complete the following tasks:
1. Do one of the following:
■ If the server is being placed into service for the first time, unpack the server
from the shipping container.
See “Opening the Box” on page 3.
■ If the server is already in service, remove it from service and power it down.
2. Ensure that the server AC power cord (or cords) is disconnected from the server.
3. Remove the server top cover.
Before you remove the server top cover, you must ensure that no power is being
applied to the server.
See “Removing the Server Top Cover” on page 23.
Note – If you are installing an HDD or a power supply, it is not necessary to remove
the server top cover.
Removing the Server Top Cover
The procedure for removing the server top cover varies depending on the server
type.
■ For the Sun Fire X4170 and X4270 Servers, see “Remove the Top Cover From
the Sun Fire X4170 and X4270 Servers” on page 24.
■ For the Sun Fire X4275 Server, see “Remove the Top Cover From the Sun Fire
X4275 Server” on page 25.
Caution – Removing the top cover without properly powering down the server and
disconnecting the AC power cords from the power supplies will result in a chassis
intrusion switch failure. This failure causes the server to be immediately powered off
and the SP to operate in degraded mode. When the top cover is reinstalled, the SP
will continue to operate in a degraded mode and the DIMM inventory reported to
the ILOM CLI and web interface will be incorrect. To return the server to normal
operating mode, reinstall the top cover, and disconnect and reconnect the AC power
cords or reboot the SP.
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