IBM T21, T22 manual Rear view

Locations

Rear view

Security keyhole

TV-out connector

Serial connector

Parallel connector

External-monitor connector

Modem connector

Ethernet connector

Power jack

Universal serial bus (USB) connector

Note: T23 series have two USB connectors. External-input-device connector

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ThinkPad T20, T21, T22 and T23 series 141