Lenovo ThinkPad i Series 1157 ThinkPad 570 User's Reference - Page 21

Rear view of the computer, ThinkPad 570 UltraBase or

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Identifying the hardware features Rear view of the computer 1 The security keyhole is used with a mechanical lock. ( page 156.) 4 The serial connector is where you connect a 9-pin, serial-device cable. 2 The power jack is where the AC Adapter cable is connected. 5 The parallel connector is where you connect a parallel-printer signal cable. 3 The external-diskette-drive connector is where you connect the cable of the external diskette drive. 6 The external-monitor connector is where you attach an external monitor (CRT). 7 The external-input-device connector is used to attach a mouse or an external numeric keypad to the computer. An external keyboard can be attached to this connector through an optional keyboard/mouse cable. 8 The modem connector is used for connecting your computer to a telephone line. Bottom view of the computer 1 The battery pack is a built-in power source for the computer. 2 The battery-pack latch locks or releases the battery pack. 3 The speaker is built in to the computer. 4 The system-expansion connector (244-pin) enables you to connect your computer to a ThinkPad 570 UltraBase or to a ThinkPad 570 Direct Dock Adapter for connection to a port replicator. 5 The fan louvers are for circulating air within the computer. Do not place any object in front of these louvers. 6 The power switch turns the computer on and off. You can slide this switch by pushing the white notch on it. 7 The universal serial bus (USB) connector enables you to connect any device that conforms to the USB interface. Many recent digital devices conform to this new standard. 8 To install or remove the SDRAM dual inline memory module (DIMM) option, loosen this memory-slot-cover screw. 9 The memory slot accepts an SDRAM dual inline memory module (DIMM) option. 1 To install or remove the hard disk, loosen this hard-disk-drive screw. You can use the security screw shipped with your computer as a hard disk screw. 11 The hard disk drive is built in to the computer. 12 The serial number label identifies your computer. You need this number to get help. Chapter 1. Basic information on your computer 5

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Identifying the hardware features
Rear view of the computer
1
The
security keyhole
is
used with a mechanical
lock. (
page 156.)
2
The
power jack
is where
the AC Adapter cable is
connected.
3
The
external-diskette-drive
connector
is where you
connect the cable of the
external diskette drive.
4
The
serial connector
is
where you connect a 9-pin,
serial-device cable.
5
The
parallel connector
is
where you connect a
parallel-printer signal cable.
6
The
external-monitor
connector
is where you
attach an external monitor
(CRT).
7
The
external-input-device
connector
is used to
attach a mouse or an
external numeric keypad to
the computer.
An external
keyboard can be attached
to this connector through
an optional
keyboard/mouse cable.
8
The
modem connector
is
used for connecting your
computer to a telephone
line.
Bottom view of the computer
1
The
battery pack
is a
built-in power source for
the computer.
2
The
battery-pack latch
locks or releases the
battery pack.
3
The
speaker
is built in to
the computer.
4
The
system-expansion
connector
(244-pin)
enables you to connect
your computer to a
ThinkPad 570 UltraBase or
to a ThinkPad 570 Direct
Dock Adapter for
connection to a port
replicator.
5
The
fan louvers
are for
circulating air within the
computer.
Do not place
any object in front of these
louvers.
6
The
power switch
turns
the computer on and off.
You can slide this switch
by pushing the white notch
on it.
7
The
universal serial bus
(USB) connector
enables
you to connect any device
that conforms to the USB
interface. Many recent
digital devices conform to
this new standard.
8
To install or remove the
SDRAM dual inline memory
module (DIMM) option,
loosen this
memory-slot-cover screw
.
9
The
memory slot
accepts
an SDRAM dual inline
memory module (DIMM)
option.
1
To install or remove the
hard disk, loosen this
hard-disk-drive screw
.
You can use the security
screw shipped with your
computer as a hard disk
screw.
11
The
hard disk drive
is
built in to the computer.
12
The
serial number label
identifies your computer.
You need this number to
get help.
Chapter 1.
Basic information on your computer
5