IBM ThinkPad X20 Hardware Maintenance Manual page 44

CMOS RAM
Display
Hard disk drive
I/O port
Internal modem
Audio
PC Card
AC adapter
40
ThinkPad X20, X21, X22
X20, X21
v 114 bytes +4 Kbytes
X22
v 256bytes
X20, X21
v 12.1-inch, 16M colors SVGA
(800×600 resolution) TFT color LCD
v 12.1-inch, 16M colors XGA
(1024×768 resolution) TFT color LCD
X22
v 12.1-inch, 16M colors XGA
(1024×768 resolution) TFT color LCD
X20, X21
v 10GB, 20GB
X22
10GB, 15GB, 20GB, 30GB
X20, X21
v USB, RJ11, RJ45, VGA, Mic, Line-in,
Headphone, Docking
X22
USB, RJ11, RJ45, VGA, Mic, IrDA,
Line-in, Headphone, Docking
X20, X21, X22
v V.90 D/F
X20, X21
v CS4281/CS4279A Mono Speaker
X22
CS4299 Mono Speaker
X20, X21, X22
T2, Cardbus
X20, X21
72W AC/DC
X22
56W AC/DC