IBM X23 - Manual (Page 46)

Product overview
This section presents the following product-unique
information:
v Specifications
v Status indicators
v Fn key combinations
Specifications
The following table lists the specifications of the ThinkPad
X20, X21, X22, X23, X24 series:
Feature Description
Processor X20, X21
v Intel
® mobile Pentium ® ΙΙΙ 700MHz, L2
256–KB cache
v Intel ® Celeron processor 600MHz, L2
128–KB cache
v Intel ® Celeron processor 500MHz, L2
128–KB cache
X22
v Intel ® mobile Pentium ® ΙΙΙ-M 733MHz,
L2 512KB cache
v Intel ® mobile Pentium ® ΙΙΙ-M 800MHz,
L2 512KB cache
X23
v Intel ® mobile Pentium ® ΙΙΙ-M 800MHz,
L2 512KB cache
v Intel ® mobile Pentium ® ΙΙΙ-M 866MHz,
L2 512KB cache
X24
v Intel ® mobile Pentium ® ΙΙΙ-M 1.06GHz,
L2 512KB cache
v Intel ® mobile Pentium ® ΙΙΙ-M 1.13GHz,
L2 512KB cache
Bus architecture X20, X21
v PCI BUS
X22, X23, X24
v Hub Architecture
v PCI / LPC BUS
42 ThinkPad X20, X21, X22, X23, X24