Lenovo ThinkCentre M91 User Manual
Page 49
The following table lists the CRU information for the following machine types:
4468, 4473, 4476, 4479, 4495, 4497, 4499, 4504, 4513, 4517, 4524, 7021, 7032,
7034, 7049, 7052, 7053, 7073, 7136, and 7178.
Self-service CRUs
Optional-service CRUs
Battery
Card reader
Front fan assembly
Front audio and USB assembly
Hard disk drive
Heat sink and fan assembly
Keyboard
Internal speaker (optional)
Memory module
Microprocessor
Mouse
Optical drive
Peripheral Component Interconnect
(PCI) card
Power supply assembly
Rear fan assembly
Chapter 6. Customer Replaceable Units (CRUs)
45
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