IBM 387, 393, 391, 389, 388, 441, 390, 392 manual

The following illustration shows the components of the server with up to eight 2.5-inch hot-swap SAS hard disk drives.

Figure 12. Components of the server with up to eight 2.5-inch hot-swap SAS hard disk drives

		DIT module (available in some models)		Hard disk drive bay 1
1			11
		Front panel		Hard disk drive bay 0
2			12
		Optical drive bay 2 (with an optical drive installed		Front system fan 1
3			13
in	some models)
		Optical drive bay 1 (with an optical drive installed)		System board battery
4			14
		Hard disk drive bay 7		Expansion card
5			15
		Hard disk drive bay 6		Heat sink and fan assembly
6			16
		Hard disk drive bay 5		System board
7			17
		Hard disk drive bay 4		Rear system fan
8			18
		Hard disk drive bay 3		Power supply
9			19
		Hard disk drive bay 2		Four memory slots (installed memory modules vary by
10			20
			model)

• For more information about

1

to

4 , see “Front view of the server” on page 15.

Note: The DIT module 1 is only available in some models and the DIT panel also varies by model. See “DIT module” on page 18.

•There is a 2.5-inch hot-swap SAS hard disk drive or a dummy hard disk drive tray installed in each hard disk drive bay ( 5 to 12 ).

28ThinkServer User Guide