Lenovo E93 manual Looking up FRU information

Notes:

•Self-service CRUs: These CRUs unplug or are secured by no more than two screws. Examples of these types of CRUs include the keyboard, the mouse, any USB device, and the power cord. Other self-service CRUs depending on product design might include memory modules, adapter cards, hard disk drives, and optical drives.

•Optional-service CRUs: These CRUs are isolated parts within the computer and are concealed by an access panel that is typically secured by more than two screws. Once the access panel is removed, the specific CRU is visible.

Number		FRU description	Self-service CRU	Optional-service CRU
		Power supply assembly	No	Yes
	1
		Heat sink and fan assembly	Yes	No
	2
		Microprocessor	No	Yes
	3
		Memory modules	Yes	No
	4
		Optical drive (available in some models)	Yes	No
	5
		Front audio and USB assembly	Yes	No
	6
		Card reader (available in some models)	No	Yes
	7
		Front Wi-Fi antenna	No	Yes
	8
		Front bezel	Yes	No
	9
		Battery	Yes	No
	10
		Hard disk drive	No	Yes
	11
		Peripheral Component Interconnect (PCI) card	Yes	No
	12
		Wi-Fi card module	No	Yes
	13
		Wi-Fi adapter card	No	Yes
	14
		Rear Wi-Fi antenna	Yes	No
	15
		System board	No	No
	16
		System fan	No	Yes
	17
		Keyboard	Yes	No
	18
		Mouse	Yes	No
	19

Looking up FRU information

For detailed FRU information, such as the FRU part numbers and supported computer models, go to: http:/www.lenovo.com/serviceparts-lookup

72ThinkCentre E93 Hardware Maintenance Manual