Product overview

Feature

Description

 

 

Internal

56.6 Kbps

modem

 

 

 

 

 

Audio

v

Internal microphone

 

v

Internal speaker

 

v

Software control volume

Infrared

IrDA 1.1

transfer

 

 

 

 

802.11b (only

Mini PCI Type-IIIa IEEE 802.11b wireless LAN

for T23 series)

card

 

 

PC Card

One Type-III or two Type-II

 

 

AC adapter

72-watt type

 

 

Bay device

T20

 

v 1.44 MB (3-mode), 3.5-inch diskette drive

 

v

10-24x CD-ROM drive

 

v 6x DVD-ROM drive

 

T21, T22, T23

 

v 1.44 MB (3-mode), 3.5-inch diskette drive

 

v

10-24x CD-ROM drive

 

v 8x DVD-ROM drive

 

v CD-RW drive

 

v DVD/CD-RW combo drive

 

 

 

ThinkPad T20, T21, T22 and T23 series 43

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Image 49
IBM T21, T22 manual MB 3-mode, 3.5-inch diskette drive