Removing The Cover - Lenovo THINKSERVER 3797 Hardware Maintenance Manual

Removing the cover

The following illustration shows how to remove the cover.
Important: Before you install optional hardware, make sure that the server is
working correctly. Start the server, and make sure that the operating system starts,
if an operating system is installed, or that a 19990305 error code is displayed,
indicating that an operating system was not found but the server is otherwise
working correctly. If the server is not working correctly, see the "Diagnosing a
problem" on page 21 for diagnostic information.
To remove the cover, complete the following steps:
1. Read the safety information in the Installation and User Guide document.
2. If you are planning to view the error LEDs that are on the system board and
3. If you are planning to install or remove a microprocessor, memory module, PCI
4. Press down on the left and right side latches and pull the server out of the rack
1
Cover
2
PCI riser-card assembly
3
PCI riser-card assembly
4
Heat sink
5
Microprocessor
6
Heat-sink retention module
7
DIMM
8
System board
9
Power-supply filler panel
10
Power supply
components, leave the server connected to power and go directly to step 4.
adapter, battery, or other non-hot-swap optional device, turn off the server and
all attached devices and disconnect all external cables and power cords (see
"Turning off the server" on page 53).
enclosure until both slide rails lock.
Note: You can reach the cables on the rear of the server when the server is in
the locked position.
11
CD/DVD drive
12
Operator information panel
13
Front bezel (some models)
14
4-drive filler panel
15
SAS hard disk drive backplanes
16
SAS riser card
17
Fan bracket
18
Fans
19
DIMM air baffle
20
Microprocessor 2 air baffle
Chapter 6. Removing and installing FRUs
159