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

The following illustration shows the components of the server with up to four 3.5-inch non-hot-swap hard disk drives.

Figure 14. Components of the server with up to four 3.5-inch non-hot-swap hard disk drives

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

• Each of the hard disk drive bay ( 5

to

8 ) is used for installing a 3.5-inch non-hot-swap hard disk drives.

Note: The number of the installed hard disk drives varies by model.

• For information about the supported expansion card, see “System board components” on page 42.

Chapter 3. Product overview 31