User Guide

Product overview
This section presents the following product-unique
information:
v “Specifications”
v “Status indicators” on page 44
v “FRU Tests” on page 46
v “Fn key combinations” on page 48
Specifications
The following table lists the specifications of the ThinkPad
T20, T21, T22 and T23 series :
Feature Description
Processor T20
v Mobile Intel
®
Pentium
®
III processor 650 MHz
v Mobile Intel
®
Pentium
®
III processor 700 MHz
v Mobile Intel
®
Pentium
®
III processor 750 MHz
T21
v Mobile Intel
®
Pentium
®
III processor 750 MHz
v Mobile Intel
®
Pentium
®
III processor 800 MHz
v Mobile Intel
®
Pentium
®
III processor 850 MHz
T22
v Mobile Intel
®
Pentium
®
III processor 800 MHz
v Mobile Intel
®
Pentium
®
III processor 900 MHz
v Mobile Intel
®
Pentium
®
III processor 1 GHz
T23
v Mobile Intel
®
Pentium
®
III processor 866
MHz-M
v Mobile Intel
®
Pentium
®
III processor 1.0
GHz-M
v Mobile Intel
®
Pentium
®
III processor 1.13
GHz-M
v Mobile Intel
®
Pentium
®
III processor 1.2
GHz-M
Bus
architecture
PCI Bus
Memory
(standard)
T20, T21, T22
v 128 MB (PC100) (on the system board)
T23
v 128 MB (PC133) (on the system board)
v 256 MB (PC133) (on the system board)
(continued)
Product overview
ThinkPad T20, T21, T22 and T23 series 41