Lenovo ThinkCentre A55 Hardware Maintenance Manual page 498

Item
#
11 System board, 946GZ B ver1.0 (models CTO B1G D1G D1A D1T F2G F2A
F2T F3G F3A F3T)
Note: When ordering a new system board, you must also order a new
retention module for the heat sink.
11 System board, 946GZ ver1.2 (models CTO B1G D1G D1A D1T F2G F2A
F2T F3G F3A F3T)
Note: When ordering a new system board, you must also order a new
retention module for the heat sink.
11 System board, 946GZ (modify PCB solve Conroe CPU issue and modify
PCB solve Japan smokeless issue) ver1.2 matrix from 43C3504 & 43C3505
(models CTO B1G D1G D1A D1T F2G F2A F2T F3G F3A F3T)
Note: When ordering a new system board, you must also order a new
retention module for the heat sink.
11 System board, 946GZ (models CTO B1G D1G D1A D1T F2G F2A F2T F3G
F3A F3T)
12 Fan, Rear w/ grommets & Grill (all models)
13 Power supply (300W) (models CTO)
13 Power supply (230W) (models CTO B1G D1G D1A D1T F2G F2A F2T)
13 Power supply (250W) (models CTO B1G D1G D1A D1T F2G F2A F2T)
13 Power supply (220V/250W/ATX12V - China) (models CTO)
13 Power Supply 5281-7VW-ROHS, 280W, Standard (models CTO)
13 Power Supply 5281-7VW-ROHS, 280W, Standard (models CTO)
13 Power Supply 310W standard only for Japan (models CTO)
The FRUs listed in the following tables are not illustrated.
Thermal grease kit (all models)
Shield, 5.25 EMC (all models)
Cable, Serial (all models)
Shield, diskette drive EMC (all models)
Cable, Diskette drive (RoHs) (all models)
Cover, left side (all models)
Chassis assembly (all models)
System board I/O Shield - (all models)
Kit, Miscellaneous hardware (all models)
Cable, hard disk drive and optical signal (all models)
Front system fan (all models)
4-pin PATA to 15-pin SATA power connector (all models)
Retainer, Card Reader (all models)
Front Fan AVC (all models)
Optional HDD Bracket Assembly, without 4Pin cable (all models)
Chassis assembly (all models)
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Hardware Maintenance Manual
9379 FRUs
9379 FRUs
CRU
FRU# Tier RoHS?
43C3504 N
43C3505 N
43C8359 N
45R7728 N
41N8079 2
41N3489 2
41N3094 2
41N3127 2
41N3485 2
41N3479 2
41N3482 2
24R2596 2
CRU
FRU# Tier RoHS?
91P8835 N
41N8080 2
39K5021 2
41N8078 2
41A7182 2
41N8050 1
41N8051 N
41N8053 N
41N8055 2
39M0516 1
41R2519 1
41R3300 1
41R2913 1
41R4791 1
41R6106 1
41R2533 1
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
N
N
N