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Feature Description
I/O ports External monitor
Headphone/line-out
Line-in
Microphone-in
Mouse/keyboard
Parallel
Serial
USB
RJ11
Video-out
Infrared transfer IrDA 1.1
Internal modem 56Kbps (depends on the model)
PCI
PC Card (PCMCIA) One Type III or two Type II
CardBus, ZV port support
AC Adapter 56-Watt type
ThinkPad 390E 23