Lenovo 4228 Personal Computer User Manual


 
1 Heat sink and fanassembly (with microprocessor
underneath)
7 Hard disk drives (5)
2 Internal speaker
8 Hard disk drive fan assembly
3 Optical drive 9 PCI card retainer
4 Card reader 10 Memory module(s)
5 Front audio and USB assembly
11 Rear fan assembly
6 Front bezel 12 Power supply assembly
Locating parts on the system board
Figure 4 “System board part locations” on page 10 shows the locations of the parts on the system board.
Figure 4. System board part locations
1 Microprocessor 2 memory slot 3 (DIMM3)
29 Auxiliary power connector
2 Microprocessor 2 memory slot 7 (DIMM7)
30 12 volt power connector
3 Microprocessor 2 memory slot 4 (DIMM4) 31 SATA port 2
4 Microprocessor 2 memory slot 8 (DIMM8) 32 SATA port 1
5 Microprocessor 2 memory cooler connector 33 Hard disk drive connector 5
6 Microprocessor 2 fan connector
34 Hard disk drive connector 4
7 Microprocessor 1 memory slot 1 (DIMM1)
35 Hard disk drive connector 1
8 Microprocessor 1 memory slot 5 (DIMM5)
36 Hard disk drive connector 2
9 Microprocessor 1 memory slot 2 (DIMM2)
37 Hard disk drive connector 3
10 Microprocessor 1 memory slot 6 (DIMM6)
38 Battery
10 ThinkStation User Guide