Lenovo ThinkPad 390X User's Reference: ThinkPad 390X - Page 21

Rear View of the Computer

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Rear View of the Computer 14 Identifying the Hardware Features 13 12 11 10 9 8 7 6 1 2 3 4 5 (1) The battery pack is a built-in power source for the computer. (2) The infrared port allows the computer to communicate with other devices that have infrared data-transfer capability. (3) The power switch turns the computer on and off. Note: If you power off the computer, wait at least 5 seconds before you power it on again. (4) The S-video jack is where you connect a television or external display devices with an S-video in-out cable. (5) The universal serial bus (USB) allows you to connect any device that conforms to the USB standard. (6) The power jack is where the AC Adapter cable is con- nected. (7) The external-monitor connector is where you attach the external monitor. (8) The serial connector is where you connect a 9-pin, serial- device cable. (9) The security keyhole is used with a mechanical lock. (10) To remove the hard disk (11), loosen this hard disk screw. Getting Familiar with Your Computer 5

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Identifying the Hardware Features
Rear View of the Computer
1
2
3
4
5
6
7
8
9
10
14
13
12
11
(1)
The
battery pack
is a built-in power source for the computer.
(2)
The
infrared port
allows the computer to communicate with
other devices that have infrared data-transfer capability.
(3)
The
power switch
turns the computer on and off.
Note:
If you power off the computer, wait at least 5 seconds
before you power it on again.
(4)
The
S-video jack
is where you connect a television or external
display devices with an S-video in-out cable.
(5)
The
universal serial bus (USB)
allows you to connect any
device that conforms to the USB standard.
(6)
The
power jack
is where the AC Adapter cable is con-
nected.
(7)
The
external-monitor connector
is where you attach the
external monitor.
(8)
The
serial connector
is where you connect a 9–pin, serial-
device cable.
(9)
The
security keyhole
is used with a mechanical lock.
(10)
To remove the hard disk (
11
), loosen this
hard disk screw
.
Getting Familiar with Your Computer
5