Lenovo ThinkPad X23 ThinkPad X20, X21, X22, X23, X24 Hardware Maintenance Manu - Page 47

X20, X21, X22, X23, X24, USB, RJ11, RJ45, VGA, Mic, IrDA

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Memory (standard) Memory (optional) CMOS RAM Display Hard disk drive I/O port Internal modem X20, X21 v 64 MB (on the system board) v 128 MB (on the system board) X22, X23, X24 v 128 MB (on the system board) v 256 MB (on the system board plus 128 MB DIMM) X20, X21 v 64 MB, 128 MB, or 256 MB SDRAM card (maximum of 320/384 MB) X22, X23, X24 v 64 MB, 128 MB, 256 MB or 512 MB SDRAM card (maximum of 640 MB) X20, X21 v 114 bytes +4 Kbytes X22, X23, X24 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, X23, X24 v 12.1-inch, 16M colors XGA (1024×768 resolution) TFT color LCD X20, X21 v 10GB, 20GB X22 10GB, 15GB, 20GB, 30GB X23, X24 20GB, 30GB X20, X21 v USB, RJ11, RJ45, VGA, Mic, Line-in, Headphone, Docking, 1394 (Some Models) X22, X23, X24 USB, RJ11, RJ45, VGA, Mic, IrDA, Line-in, Headphone, Docking, 1394 (Some Models) X20, X21, X22, X23, X24 v V.90 D/F Chapter 3. ThinkPad X20, X21, X22, X23, X24 43

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Memory (standard)
X20, X21
v
64 MB (on the system board)
v
128 MB (on the system board)
X22, X23, X24
v
128 MB (on the system board)
v
256 MB (on the system board plus
128 MB DIMM)
Memory (optional)
X20, X21
v
64 MB, 128 MB, or 256 MB SDRAM
card (maximum of 320/384 MB)
X22, X23, X24
v
64 MB, 128 MB, 256 MB or 512 MB
SDRAM card (maximum of 640 MB)
CMOS RAM
X20, X21
v
114 bytes +4 Kbytes
X22, X23, X24
v
256bytes
Display
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, X23, X24
v
12.1-inch, 16M colors XGA
(1024
×
768 resolution) TFT color LCD
Hard disk drive
X20, X21
v
10GB, 20GB
X22
10GB, 15GB, 20GB, 30GB
X23, X24
20GB, 30GB
I/O port
X20, X21
v
USB, RJ11, RJ45, VGA, Mic, Line-in,
Headphone, Docking, 1394 (Some
Models)
X22, X23, X24
USB, RJ11, RJ45, VGA, Mic, IrDA,
Line-in, Headphone, Docking, 1394
(Some Models)
Internal modem
X20, X21, X22, X23, X24
v
V.90 D/F
Chapter 3. ThinkPad X20, X21, X22, X23, X24
43