Lenovo J105 Hardware Maintenance Manual - Page 120

connectors, Removing, cover

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Rear connectors The following illustration shows the locations of the connectors on the rear of the computer. 1 Standard mouse connector 9 2 Parallel connector 10 3 Ethernet connector 11 4 Audio line in connector 12 5 Power cord connector 13 6 Voltage selection switch 14 7 PCI adapter connectors 15 8 AGP or PCI Express x16 graphics adapter connector (some models) Audio line out connector Microphone connector USB connectors USB connectors VGA monitor connector Serial connector Standard keyboard connector Removing the cover Important Read Chapter 2, "Safety information," on page 3 and "Handling electrostatic discharge-sensitive devices" on page 6 before opening the cover. To remove the computer cover: 1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down the operating system, and turn off all attached devices. 2. Unplug all power cords from electrical outlets. 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. 4. Remove any locking devices such as a padlock that secure the cover. 114 Lenovo 3000 J Series

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Rear
connectors
The
following
illustration
shows
the
locations
of
the
connectors
on
the
rear
of
the
computer.
±1²
Standard
mouse
connector
±9²
Audio
line
out
connector
±2²
Parallel
connector
±10²
Microphone
connector
±3²
Ethernet
connector
±11²
USB
connectors
±4²
Audio
line
in
connector
±12²
USB
connectors
±5²
Power
cord
connector
±13²
VGA
monitor
connector
±6²
Voltage
selection
switch
±14²
Serial
connector
±7²
PCI
adapter
connectors
±15²
Standard
keyboard
connector
±8²
AGP
or
PCI
Express
x16
graphics
adapter
connector
(some
models)
Removing
the
cover
Important
Read
Chapter
2,
“Safety
information,”
on
page
3
and
“Handling
electrostatic
discharge-sensitive
devices”
on
page
6
before
opening
the
cover.
To
remove
the
computer
cover:
1.
Remove
any
media
(diskettes,
CDs,
or
tapes)
from
the
drives,
shut
down
the
operating
system,
and
turn
off
all
attached
devices.
2.
Unplug
all
power
cords
from
electrical
outlets.
3.
Disconnect
all
cables
attached
to
the
computer.
This
includes
power
cords,
input/output
(I/O)
cables,
and
any
other
cables
that
are
connected
to
the
computer.
4.
Remove
any
locking
devices
such
as
a
padlock
that
secure
the
cover.
114
Lenovo
3000
J
Series