Identifying parts on the system board, Identifying, Parts – Lenovo 41X8111 User Manual
Page 12: System, Board
Identifying
parts
on
the
system
board
The
system
board
(sometimes
called
the
planar
or
motherboard)
is
the
main
circuit
board
in
your
computer.
It
provides
basic
computer
functions
and
supports
a
variety
of
devices.
The
following
illustration
shows
the
locations
of
parts
on
the
system
board
for
some
computer
models.
1
Microprocessor
fan
connector
11
Front
panel
connector
2
Microprocessor
and
heat
sink
12
SATA
IDE
connectors
(2)
3
Memory
connector
1
13
Front
USB
connectors
(2)
4
Memory
connector
2
14
Serial
(COM)
connector
5
Clear
CMOS/Recovery
jumper
15
PCI
adapter
connectors
6
Power
connector
16
Front
audio
connector
7
Diskette
drive
connector
17
PCI
Express
x16
graphics
adapter
connector
8
IDE
connector
1
18
PCI
Express
x1
adapter
connector
9
IDE
connector
2
19
System
fan
connector
10
Battery
20
12v
power
connector
4
Hardware
Replacement
Guide