Lenovo ThinkCentre A55 Hardware Maintenance Manual page 238

Item
#
4 Front Power/LED PC, bracket, and cable (all models)
5 Hard disk drive, 40GB (7200RPM), Serial ATA (models CTO )
5 Hard disk drive, 80GB (7200RPM), Serial ATA (models CTO)
5 Hard disk drive, 80GB 7200rpm SATA (only for China) (models CTO)
5 Hard disk drive, 160GB (7200RPM), Serial ATA (models CTO)
5 Hard disk drive, 250GB (7200RPM), Serial ATA (models CTO)
5 Hard disk drive, 500GB (7200RPM), Serial ATA (models CTO)
6 Diskette drive, 3,5", 1.44MB, 2-mode, (w/bezel) (models CTO)
6 Diskette drive, 3,5", 1.44MB, 2-mode (models CTO)
7 Front USB/Audio with bracket (all models)
8 Memory module, 512 MB PC2-4200 (533MHz) DDR2 SDRAM (models
CTO)
8 Memory module, 1 GB PC2-4200 (533MHz) DDR2 SDRAM (models CTO)
8 Memory module, 2GB PC2-4200 (533MHz) DDR2 SDRAM (models CTO)
8 Memory module, 512 MB PC2-5300 (667MHz) DDR2 SDRAM (models
CTO)
8 Memory module, 1 GB PC2-5300 (667MHz) DDR2 SDRAM (models CTO)
8 Memory module, 2 GB PC2-5300 (667MHz) DDR2 SDRAM (models CTO)
9 System board, Intel Sys Planar for Vista and XP (models CTO)
Note: When ordering a new system board, you must also order a new
retention module for the heat sink.
9 System board, Intel Sys Planar Japan for Vista and XP (models CTO)
Note: When ordering a new system board, you must also order a new
retention module for the heat sink.
9 System board, 946GZ B ver1.0 (models CTO)
Note: When ordering a new system board, you must also order a new
retention module for the heat sink.
9 System board, 946GZ ver1.2 (models CTO)
Note: When ordering a new system board, you must also order a new
retention module for the heat sink.
9 System board, 946GZ (modify PCB solve Conroe CPU issue and modify
PCB solve Japan smokeless issue) ver1.2 matrix from 43C3504 & 43C3505
(models CTO)
Note: When ordering a new system board, you must also order a new
retention module for the heat sink.
9 System board, 946GZ (models CTO)
10 220W Small desktop power supply (non-smokeless) (models CTO)
10 220 Watt Power Supply - WW (models CTO)
10 220 Watt Power Supply - China (models CTO-A)
10 220 Watt Power Supply - China (models CTO-A)
The FRUs listed in the following tables are not illustrated.
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Hardware Maintenance Manual
8972 FRUs
CRU
FRU# Tier RoHS?
41N8213 N
40Y9033 2
40Y9034 2
41X2500 1
40Y9035 2
40Y9036 2
41X5582 2
40Y9105 2
40Y7107 2
41N8212 N
41X4251 2
41X4252 2
41X4253 2
41X4255 2
41X4256 2
41X4257 2
87H4655 N
87H4656 N
43C3504 N
43C3505 N
43C8359 N
45R7728 N
41N3109 N
41A9655 N
41N3493 N
41A9652 N
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y