Lenovo ThinkPad T23 T20, T21, T22, T23 - Hardware Maintenance Manual (April 20 - Page 49
ThinkPad T20, T21, T22 and T23 series, Feature, Description, T22, T23 - wireless card
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Product overview Feature Description Internal modem 56.6 Kbps Audio v Internal microphone v Internal speaker v Software control volume Infrared transfer IrDA 1.1 802.11b (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
Feature
Description
Internal
modem
56.6 Kbps
Audio
v
Internal microphone
v
Internal speaker
v
Software control volume
Infrared
transfer
IrDA 1.1
802.11b (only
for T23 series)
Mini PCI Type-IIIa IEEE 802.11b wireless LAN
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
Product overview
ThinkPad T20, T21, T22 and T23 series
43