IBM manual T21, T22, T23

Product overview

Feature	Description
Memory	T20, T21, T22
(optional)	v	64 MB, 128 MB, or 256 MB DIMM card
		(maximum of 512 MB)
	T23
	v 64 MB, 128 MB, 256 MB, or 512 MB DIMM
		card (maximum of 1024 MB)
CMOS RAM	242 bytes
Display	T20
	v 13.3-inch, 16M colors, XGA (1024⋅768
		resolution) TFT color LCD
	v 14.1-inch, 16M colors, XGA (1024⋅768
		resolution) TFT color LCD
	T21, T22, T23
	v 13.3-inch, 16M colors, XGA (1024⋅768
		resolution) TFT color LCD
	v 14.1-inch, 16M colors, XGA (1024⋅768
		resolution) TFT color LCD
	v 14.1-inch, 16M colors, SXGA+ (1400⋅1050
		resolution) TFT color LCD
Hard-disk drive	T20
	v 6.0 GB, 2.5-inch, IDE interface
	v 12.0 GB, 2.5-inch, IDE interface
	v 18.0 GB, 2.5-inch, IDE interface
	v 20.0 GB, 2.5-inch, IDE interface
	T21, T22
	v 10.0 GB, 2.5-inch, IDE interface
	v 20.0 GB, 2.5-inch, IDE interface
	v 32.0 GB, 2.5-inch, IDE interface
	T23
	v 15.0 GB, 2.5-inch, IDE interface
	v 20.0 GB, 2.5-inch, IDE interface
	v 30.0 GB, 2.5-inch, IDE interface
	v 40.0 GB, 2.5-inch, IDE interface
	v 48.0 GB, 2.5-inch, IDE interface
	v 60.0 GB, 2.5-inch, IDE interface
I/O port	v	External monitor
	v	Line-in
	v	Headphone
	v	Microphone
	v	Mouse or keyboard
	v Parallel or diskette drive
	v	Port replicator connector
	v	Serial
	v One universal serial bus (USB) connector for
		T20, T21, and T22 series
	v Two USB connectors for T23
	v	RJ11
	v	RJ45 (covered)
	v	TV-out

(continued)

42ThinkPad T20, T21, T22, T23 (MT 2647/2648)