Feature
Description
Memory
(optional)
T20, T21, T22
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)
Product overview
42
ThinkPad T20, T21, T22, T23 (MT 2647/2648)
Summary of Contents for ThinkPad T21
Page 4: ...iv ThinkPad T20 T21 T22 T23 MT 2647 2648...
Page 44: ...Checkout guide 38 ThinkPad T20 T21 T22 T23 MT 2647 2648...
Page 83: ...9 8 7 7 8 9 10 9 continued Removing and replacing a FRU ThinkPad T20 T21 T22 and T23 series 77...
Page 132: ...6 5 4 7 5 3 continued Removing and replacing a FRU 126 ThinkPad T20 T21 T22 T23 MT 2647 2648...
Page 181: ...Notices ThinkPad T20 T21 T22 and T23 series 175...
Page 182: ...Part Number 62P9631 1P P N 62P9631...