Lenovo ThinkCentre M91 - Manual (Page 48)

Self-service CRUs Optional-service CRUs
ac power adapter Microprocessor
ac power adapter bracket
Battery
Front audio and USB assembly
Hard disk drive
Heat sink
Internal speaker
Keyboard
Memory module
Mouse
Optical drive
Peripheral Component Interconnect
(PCI) card
System fan assembly
The following table lists the CRU information for the following machine types:
4466, 4471, 4474, 4477, 4480, 4485, 4496, 4498, 4503, 4512, 4514, 4518, 4554,
7005, 7023, 7033, 7035, 7072, 7079, and 7177.
Self-service CRUs Optional-service CRUs
Battery Card reader
Hard disk drive Front audio and USB assembly
Keyboard Heat sink and fan assembly
Memory module Internal speaker (optional)
Mouse Microprocessor
Optical drive Power supply assembly
Peripheral Component Interconnect
(PCI) card
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ThinkCentre Safety and Warranty Guide