Identifying the Hardware Features
1
The battery pack is a built-in power source for the
computer. It allows you to operate the computer
when ac power is not available.
2
The volume control adjusts the sound level of the
built-in speakers.
3
The microphone/line-in jack is where you
connect a stereo microphone or external audio
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device. (1/8-inch stereo mini jack)
4
The headphone jack is where you connect a
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stereo headphone or external speakers. (1/8-inch
$
stereo mini jack)
5
The power switch turns the computer on and off.
6
The reset switch resets the system in an
emergency.
7
The security keyhole is used with a security lock.
(See “Using Locks” on page 115.)
8
The ac power jack is where you connect the AC
Adapter cable.
9
The external-input-device connector allows you
to attach a mouse, an external keyboard, or an
external numeric keypad.
1
The serial connector (9-pin) is where you
connect a serial-device cable.
11
The universal serial bus (USB) connector
allows you to connect any device that conforms to
the USB interface. Many recent digital devices
comply to this new standard.
12
The fan louvers are for circulating air within the
computer.
Do not place any object in front of
these louvers.
13
The system-expansion connector (240-pin)
allows you to connect the IBM ThinkPad
SelectaBase 770 port replicator.
14
The rear infrared port allows your computer to
communicate with other devices that have infrared
data-transfer capabilities.
15
The external-monitor connector (15-pin) is
where you attach an external monitor (CRT).
16
The parallel connector (25-pin) is where you
usually connect a parallel-printer signal cable.
17
The external-diskette-drive connector is where
you attach an external-diskette-drive.
18
The power-on indicator indicates that the
computer power is on, regardless of whether the
computer is in suspend mode.
19
The suspend indicator indicates that the
computer is in suspend mode.
Green: The computer is in suspend mode.
Blinking green: The computer is in the
process of changing modes.
2
The charge indicator shows the charge status of
your battery.
Green: Enough battery power is left for
operation.
Orange: The battery pack is being charged.
Blinking orange: The battery pack needs to
be charged.
You will hear three beeps the moment this
indicator starts blinking if you had set the alarm in
the ThinkPad Configuration program.
Chapter 1. Getting Familiar with Your Computer
5
Summary of Contents for ThinkPad 770E-ED
Page 1: ......
Page 6: ...vi IBM ThinkPad 770X User s Reference ...
Page 18: ...Identifying the Hardware Features Rear View 4 IBM ThinkPad 770X User s Reference ...
Page 60: ...Getting Service 46 IBM ThinkPad 770X User s Reference ...
Page 62: ...Device Restrictions 96 48 IBM ThinkPad 770X User s Reference ...
Page 112: ...Replacing an UltraBay II Device 98 IBM ThinkPad 770X User s Reference ...
Page 180: ...Testing Your Computer 166 IBM ThinkPad 770X User s Reference ...