Product Overview; Specifications; Status Indicators - IBM ThinkPad X21 2660 Hardware Maintenance Manual

Common parts list . . . . . . . . . . . . . . . 78
Tools . . . . . . . . . . . . . . . . . . . 78
Power code (system)

Product overview

This section presents the following product-unique
information:

Specifications

Status indicators

Fn key combinations

Specifications

The following table lists the specifications of the ThinkPad
X21 series:
Feature Description
Processor Intelmobile PentiumΙΙΙ
700MHz, L2 256–KB cache
Intelmobile PentiumΙΙΙ
600MHz, L2 256–KB cache
IntelCeleron processor
500MHz, L2 128–KB cache
Bus architecture PCI BUS
Memory (standard) 64 MB or 128 MB depending
on model
Memory (optional) 64 MB, 128 MB, or 256 MB
SDRAM card (maximum of 384
MB)
CMOS RAM 114 bytes +4 Kbytes
Display 12.1-inch, 16M colors SVGA
(800×600 resolution) TFT color
LCD
12.1-inch, 16M colors XGA
(1024×768 resolution) TFT
color LCD
Hard disk drive 10GB, 20GB
I/O port USB, RJ11, RJ45, VGA, Mic,
Line-in, Headphone, Docking
Internal modem V.90 D/F
Audio CS4281/CS4279A Mono Speaker
PC Card T2, Cardbus
AC adapter 72W AC/DC

Status indicators

The system status indicators show the current computer
status in different colors (green or orange):
34
ThinkPad X21
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