Lenovo ThinkCentre M51 Hardware Maintenance Manual - Page 278

Machine Type 8420 10 9 1 2 3 8 7 4 5 6 Item # 8420 FRUs 1 Top Cover Asm (all models) 2 Heat sink (models 21P 31A 32P CTO 32U 11G 22G 23G 31Q 33G 34G 42P 43G 52P 53G 31C 31B 31H 31V 71G 72G 24U C1U 35U C2U 61G B1G D1G E1G F1G) 3 256MB PC2 3200 Memory (400mhz DDR2) (models 21P 32P CTO 32U 31A 11G 22G 23G 31Q 33G 34G 42P 43G 52P 53G 31C 31B 31H 31V 71G 72G 24U 35U 61G B1G D1G E1G F1G) 3 512MB PC2 3200 Memory (400mhz DDR2) (models CTO) 3 1024MB PC2 3200 Memory (400mhz DDR2) (models CTO) 4 System board 10/1000 w/ POV (models 21P 31A 32P CTO 32U 11G 22G 23G 31Q 33G 34G 42P 43G 52P 53G 31C 31B 31H 31V 71G 72G 24U 35U 61G C1U C2U B1G D1G E1G F1G) 5 2.53 GHZ Celeron Prescott P4 (models CTO) 5 2.66 GHZ Celeron Prescott P4 (models CTO) 5 2.8 GHZ Celeron Prescott P4 (models CTO) 5 2.93 GHZ Celeron Prescott P4 (models CTO) 5 3.06GHZ Celeron Prescott P4 (models CTO) 5 2.53GHZ Celeron Prescott P4 326 (models CTO) 5 2.66 GHZ Celeron Prescott P4 331 (models CTO) 5 2.8 GHZ Celeron Prescott P4 336 (models CTO) 5 2.93 GHZ Celeron Prescott P4 341 (models CTO) FRU# 89P6730 89P6729 73P3220 73P3222 73P3224 29R8261 29R7215 29R7217 29R7219 29R7221 29R8208 39J9397 39J9399 39J9401 39J9403 272 Hardware Maintenance Manual CRU * ** * * * **