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1.7.21.7.2 Rear PortsRear Ports
## IconIcon PortPort Connects to...Connects to...
1 DC-in Port AC adapter and power
outlet
2
PS/2 Port PS/2-compatible device
(e.g., PS/2 keyboard,
keypad, mouse)
3 Serial Port
(UART16550
-compatible)
Serial device
(e.g., serial mouse)
4 Parallel Port
(ECP-
compliant)
External floppy drive,
parallel device (e.g.,
parallel printer)
5 Line-out Port Line-out device (e.g.,
speakers, headphones)
6 Line-in Port Line-in device (e.g.,
audio CD player, stereo
walkman)
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