Lenovo 7244 Manuel D’Utilisation
Locating
parts
on
the
system
board
shows
the
location
of
parts
on
the
system
board.
1
PCI
adapter
card
slot
11
Memory
slots
(4)
2
PCI
Express
x16
adapter
card
slot
12
24-pin
power
connector
3
Battery
13
Serial
(COM
2)
connector
4
Internal
speaker
connector
14
Front
audio
connector
5
Cover
presence
(Intrusion)
switch
connector
15
SATA
connectors
(2)
6
Microprocessor
fan
connector
16
System
fan
connector
7
Thermal
sensor
connector
17
Front
USB
connector
1
8
Microprocessor
18
Front
USB
connector
2
9
4-pin
power
connector
19
Clear
CMOS/Recovery
jumper
10
Front
panel
connector
20
Power
fan
connector
Replacing
the
battery
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
and
understanding
the
“Important
safety
information”
in
the
ThinkCentre
Safety
and
Warranty
Guide
that
came
with
your
computer.
To
obtain
a
copy
of
the
ThinkCentre
Safety
and
Warranty
Guide,
go
to:
http://www.lenovo.com/support
This
section
provides
instructions
on
how
to
replace
the
battery.
Your
computer
has
a
special
type
of
memory
that
maintains
the
date,
time,
and
settings
for
built-in
features,
such
as
parallel-port
assignments
(configuration).
A
battery
keeps
this
information
active
when
you
turn
off
the
computer.
Figure
42.
System
board
parts
locations
Chapter
9.
Replacing
FRUs
-
Desktop
computers
131