Lenovo 70AL, Maintenance Manual, Page: 37 / 190

Components of server models with eight 2.5-inch hot-swap hard disk drive bays
Figure 12. Components of server models with eight 2.5-inch hot-swap hard disk drive bays
1
Cover presence switch
13
Hard disk drive bay 0
2
Power conversion board
14
Front system fan 1
3
Front panel
15
Front system fan 2
4
Optical drive bay 2 (with an optical drive installed
in some models)
16
System board
5
Optical drive bay 1 (with an optical drive installed)
17
System board battery
6
Hard disk drive bay 7
18
Low-profile PCI card bracket
7
Hard disk drive bay 6
19
Main PCI card bracket
8
Hard disk drive bay 5
20
Expansion card
9
Hard disk drive bay 4
21
Heat sink and fan assembly
10
Hard disk drive bay 3
22
Rear system fan
11
Hard disk drive bay 2
23
Power supply
12
Hard disk drive bay 1
24
Four memory slots (installed memory modules vary by
model)
Note: The power conversion board 2 , low-profile PCI card bracket 18 , and main PCI card bracket 19 are
available in server models that come with a RAID card.
Chapter 3
.
Product overview
25