Identifying parts on the system board, Identifying, Parts – Lenovo ThinkCentre A61e User Manual
Page 17: System, Board, Locating
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.
shows
the
location
of
parts
on
the
system
board
for
some
computer
models.
1
Microprocessor
and
heat
sink
9
Modem
daughter
card
(MDC)
connector
2
Memory
connectors
(2)
10
Express
card
USB
connector
3
Thermal
sense
cable
connector
11
Express
card
PCIe
connector
4
Front
USB
connector
12
Media
card
reader
connector
5
Front
panel
connector
13
Internal
speaker
connector
6
Battery
14
Front
audio
connector
7
SATA
IDE
connectors
(2)
15
Internal
power
distribution
connector
8
Clear
CMOS/Recovery
jumper
16
System
fan
connector
Figure
4.
Locating
parts
on
the
system
board
Chapter
2.
Overview
9