Lenovo 7749 Manuel D’Utilisation
Locating
parts
on
the
system
board
shows
the
location
of
the
parts
on
the
system
board.
1
Microprocessor
12
Front
panel
connector
2
Microprocessor
fan
connector
13
Front
USB
connectors
(2)
3
Memory
slots
(2)
14
Serial
(COM
2)
connector
4
Thermal
sensor
connector
15
Front
audio
connector
5
Diskette
drive
connector
16
Internal
speaker
connector
6
24-pin
power
connector
17
PCI
adapter
card
slots
(2)
7
Battery
18
PCI
Express
x1
adapter
card
slot
8
Cover
presence
(Intrusion)
switch
connector
19
PCI
Express
x16
graphics
adapter
card
slot
9
SATA
connectors
(4)
20
System
fan
connector
10
Clear
CMOS
(Complementary
Metal
Oxide
Semiconductor)/Recovery
jumper
21
4-pin
power
connector
11
Power
fan
connector
Removing
and
reinstalling
the
front
bezel
This
section
provides
instructions
on
how
to
remove
and
reinstall
the
front
bezel.
To
remove
and
reinstall
the
front
bezel:
1.
Remove
the
computer
cover.
See
Figure
5.
System
board
parts
locations
Chapter
8.
Replacing
FRUs
-
Tamdhu
computers
89