33
32
31
34
35
Figure 4. System board part and connector locations
1
CPU 1 memory slots (6)
19
Clear CMOS (Complementary Metal Oxide
Semiconductor) /Recovery jumper
2
CPU 1 memory fan connector
20
Thermal sensor connector
3
CPU 2 12 V power connector
21
Cover presence switch connector
4
Microprocessor 2
22
Personal System/2® (PS/2®) keyboard and mouse
connector
5
24-pin power connector
23
Internal speaker connector
6
CPU 2 fan connector
24
Front audio connector
7
CPU 2 memory fan connector
25
PCI card slot
8
CPU 2 memory slots (6)
26
PCI Express x4 card slot (x16 mechanical)
9
Power switch and LEDs connector
27
PCI Express x16 card slot
10
Auxiliary LED connector
28
PCI card slot
11
Right rear fan connector
29
PCI Express x16 card slot
12
Front fan connector
30
PCI Express x1 card slot
13
Card reader connector
31
Auxiliary 12 V power connector
14
Front USB connector
32
Left rear fan connector
15
Front IEEE 1394 connector
33
CPU 1 12 V power connector
16
Hard disk drive connectors (5)
34
CPU 1 fan connector
17
Optical drive connectors (3)
35
Microprocessor 1
18
Battery
72
ThinkStation Hardware Maintenance Manual
Summary of Contents for ThinkStation C20
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Page 15: ...Chapter 2 Safety information 9 ...
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Page 27: ...Chapter 2 Safety information 21 ...
Page 31: ...Chapter 2 Safety information 25 ...
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Page 246: ...Part Number 89Y7336 Printed in USA 1P P N 89Y7336 89Y7336 ...