Identifying parts on the system board, Identifying, Parts – Lenovo ThinkCentre E50 -FR 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
models.
1 Microprocessor
and
heat
sink
10 Battery
2 Fan
connector
11 Clear
CMOS/Recovery
jumper
Note:
This
part
may
be
a
two-pin
header.
3 Memory
connector
1
12 SATA
connectors
(4)
4 Memory
connector
2
13 Front
panel
connector
5 Memory
connector
3
14 Front
USB
connector
6 Memory
connector
4
15 Front
audio
connector
7 Power
connector
16 PCI
adapter
connectors
8 Diskette
drive
connector
17 12v
power
connector
9 Primary
IDE
connector
4
Hardware
Replacement
Guide