Lenovo 3797 User Manual download pdf (Page 53)

1 Cover 11 CD/DVD drive

2 PCI riser-card assembly 12 Operator information panel

3 PCI riser-card assembly 13 Front bezel (some models)

4 Heat sink 14 4-drive filler panel

5 Microprocessor 15 SAS hard disk drive backplanes

6 Heat-sink retention module 16 SAS riser card

7 DIMM 17 Fan bracket

8 System board 18 Fans

9 Power-supply filler panel 19 DIMM air baffle

10 Power supply 20 Microprocessor 2 air baffle

Removing 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 Hardware

Maintenance Manual for diagnostic information.

To remove the cover, complete the following steps:

1. Read the safety information that begins on page vii and “Installation guidelines”

on page 33.

2. If you are planning to view the error LEDs that are on the system board and

components, leave the server connected to power and go directly to step 4 on

page 38.

3. If you are planning to install or remove a microprocessor, memory module, PCI

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 31).

Chapter 5. Installing optional devices and replacing customer replaceable units 37

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Lenovo 3797 User Manual Page 53