Server components, Units – Lenovo THINKSERVER 3821 User Manual
Page 157
Chapter 7. Installing optional devices and replacing customer
replaceable units
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. If the server is not working correctly, see the
Chapter 5, “Diagnostics,” on page 27 for diagnostic information.
This chapter provides detailed instructions for installing optional hardware devices in
the server.
Server components
The following illustration shows the major components in the server.
1
Cover
14
USB cable/EasyLED diagnostics
assembly
2
Rear adapter retention bracket
15
DVD drive
3
Air baffle
16
Bezel
4
Heat sink
17
Optical drive bay EMC shield
5
Microprocessor
18
2.5-inch EMC shield
6
Heat sink retention bracket
19
2.5-inch hot-swap drive
7
DIMMs
20
2.5-inch drive cage assembly
8
System board
21
SAS/SATA 2.5-inch backplane
9
VRM
22
Fan assembly
10
Power-supply cage
23
Hot-swap fan
11
Power supply
24
ServeRAID MR10i
12
Power-supply filler
25
ServeRAID BR10i
13
Control panel assembly
26
ServeRAID MR10is
© Lenovo 2009. Portions © IBM Corp. 2009.
149