4
Internal speaker
Locating parts on the system board
1
Microprocessor 12 V power connector
16
Front panel connector
2
Microprocessor fan connector
17
Cover presence switch connector
3
Microprocessor
18
Thermal sensor connector
4
Memory slots (6)
19
PS/2 connector
5
24-pin system power connector
20
Front audio connector
6
Hard disk drive fan assembly connector
21
Internal speaker connector
7
Diskette drive connector
22
PCI adapter card slot
8
Card reader connector
23
PCI Express x1 adapter card slot
9
Front USB connector
24
PCI Express x16 graphics adapter card slot
10
SATA connectors (5)
25
PCI Express x4 adapter card slot
11
Adapter card fan connector
26
PCI Express x16 graphics adapter card slot
12
SAS (Serial Attached SCSI) LED connector
27
Second COM port connector
13
Battery
28
Rear fan assembly connector
Chapter 10
.
Replacing FRUs (Type 4105, 4157, 4217)
79
Summary of Contents for 4157 - ThinkStation S20 - 2 GB RAM
Page 1: ...ThinkStation Hardware Maintenance Manual Machine Type 4105 4155 4157 4158 4217 4218 ...
Page 2: ......
Page 3: ...ThinkStation Hardware Maintenance Manual Machine Type 4105 4155 4157 4158 4217 4218 ...
Page 15: ...Chapter 2 Safety information 9 ...
Page 19: ...Chapter 2 Safety information 13 ...
Page 20: ...1 2 14 ThinkStation Hardware Maintenance Manual ...
Page 21: ...Chapter 2 Safety information 15 ...
Page 27: ...Chapter 2 Safety information 21 ...
Page 31: ...Chapter 2 Safety information 25 ...
Page 38: ...32 ThinkStation Hardware Maintenance Manual ...
Page 56: ...50 ThinkStation Hardware Maintenance Manual ...
Page 80: ...74 ThinkStation Hardware Maintenance Manual ...
Page 93: ...Chapter 10 Replacing FRUs Type 4105 4157 4217 87 ...
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Page 275: ......
Page 276: ...Part Number 53Y4348 Printed in USA 1P P N 53Y4348 53Y4348 ...