Lenovo ThinkCentre M55e Hardware Maintenance Manual - Page 291
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Item # 8982 FRUs 8 Memory module, 2 GB PC2-5300 (667MHz) DDR2 SDRAM (models CTO) 9 System board, Intel Sys Planar for Vista and XP (models CTO A1A A1T A1C A1B A1H B1G 41A 41T 51A 51T 51B 51H D1A D1T D1B D1H G1A G1T B1M B2M B3M 31B 31H 32V 33M 34M 35M 36M D2M D3M D4M D5M G2M G3M G4M G5M 71G 72G 73G 74G D6M D7B D7H G6M G7M G8M G8V 76G 77G) 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 A1A A1T A1C A1B A1H B1G 41A 41T 51A 51T 51B 51H D1A D1T D1B D1H G1A G1T B1M B2M B3M 31B 31H 32V 33M 34M 35M 36M D2M D3M D4M D5M G2M G3M G4M G5M 71G 72G 73G 74G D6M D7B D7H G6M G7M G8M G8V 76G 77G) 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 A1A A1T A1C A1B A1H B1G 41A 41T 51A 51T 51B 51H D1A D1T D1B D1H G1A G1T B1M B2M B3M 31B 31H 32V 33M 34M 35M 36M D2M D3M D4M D5M G2M G3M G4M G5M 71G 72G 73G 74G D6M D7B D7H G6M G7M G8M G8V 76G 77G) 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 A1A A1T A1C A1B A1H B1G 41A 41T 51A 51T 51B 51H D1A D1T D1B D1H G1A G1T B1M B2M B3M 31B 31H 32V 33M 34M 35M 36M D2M D3M D4M D5M G2M G3M G4M G5M 71G 72G 73G 74G D6M D7B D7H G6M G7M G8M G8V 76G 77G) 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 A1A A1T A1C A1B A1H B1G 41A 41T 51A 51T 51B 51H D1A D1T D1B D1H G1A G1T B1M B2M B3M 31B 31H 32V 33M 34M 35M 36M D2M D3M D4M D5M G2M G3M G4M G5M 71G 72G 73G 74G D6M D7B D7H G6M G7M G8M G8V 76G 77G) 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 A1A A1T A1C A1B A1H B1G 41A 41T 51A 51T 51B 51H D1A D1T D1B D1H G1A G1T B1M B2M B3M 31B 31H 32V 33M 34M 35M 36M D2M D3M D4M D5M G2M G3M G4M G5M 71G 72G 73G 74G D6M D7B D7H G6M G7M G8M G8V 76G 77G) 10 220W Small desktop power supply (non-smokeless) (models CTO A1A A1T B1G 41A 41T 51A 51T D1A D1T G1A G1T B1M B2M B3M 32V 33M 34M 35M 36M D2M D3M D4M D5M G2M G3M G4M G5M 71G 72G 73G 74G) 10 220 Watt Power Supply - WW (models CTO A1A A1T B1G 41A 41T 51A 51T D1A D1T G1A G1T B1M B2M B3M 32V 33M 34M 35M 36M D2M D3M D4M D5M G2M G3M G4M G5M 71G 72G 73G 74G) 10 220 Watt Power Supply - China (models CTO-A A1C A1B A1H 51B 51H D1B D1H 31B 31H) 10 220 Watt Power Supply - China (models CTO-A A1C A1B A1H 51B 51H D1B D1H 31B 31H) FRU# 41X4257 87H4655 87H4656 43C3504 43C3505 43C8359 45R7728 41N3109 41A9655 41N3493 41A9652 CRU Tier 2 N N N N N N N N N N RoHS? Y Y Y Y Y Y Y Y Y Y Y The FRUs listed in the following tables are not illustrated. Chapter 10. FRU lists 285