Product Overview; Specifications - IBM ThinkPad A22e Hardware Maintenance Manual

Product overview

This section presents the following product-unique
information:
v "Specifications"
v "Status indicators" on page 41
v "FRU Tests" on page 43
v "Fn key combinations" on page 44

Specifications

The following table lists the specifications of the ThinkPad
A21e, A22e and i 1800:
Feature
Processor
Bus architecture
Memory (standard) A21e, A22e
Memory (optional)
CMOS RAM
(continued)
Description
A21e
v Intel
®
Celeron
v Intel
®
Celeron
A22e
v Intel
®
Celeron
v Intel
®
mobile Pentium
MHz featuring Intel
technology
v Intel
®
mobile Pentium
MHz featuring Intel
technology
i 1800
v Intel
®
Celeron
v Intel
®
mobile Pentium
MHz featuring Intel
technology
PCI Bus
v 64 MB (SO-DIMM × 2)
i 1800
v 128 MB (SO-DIMM × 2)
A21e
v 64 MB or 128 MB DIMM card (maximum
of 256 MB)
A22e, i 1800
v 64 MB or 128 MB DIMM card (maximum
of 256 MB)
v 64 MB, 128 MB or 256 MB DIMM card
(maximum of 512 MB)
242 bytes
ThinkPad A21e, A22e, i 1800

Product overview

®
processor 650 MHz
®
processor 700 MHz
®
processor 800 MHz
®
III processor 850
®
SpeedStep
®
III processor 900
®
SpeedStep
®
processor 750 MHz
®
III processor 750
®
SpeedStep
™
™
™
39