Lenovo ThinkCentre M55p User Manual page 43

(
1
2
3
4
5
6
7
I/O
8
9
ATA (SATA)
(5)
10
CMOS /
11
12
13
PCI Express (x16)
14
PCI Express (x1)
15
4 PCI
16
3 PCI
17
2
18
1
19
20
(COM2)
21
22
23
12v
)
(
)
3
)
1
2
(
25