Identifying parts on the system board, Identifying, Parts – Lenovo J SERIES 8257 User Manual
Page 12: System, Board
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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 SATA
connectors
(2)
2
Microprocessor
fan
connector
11 Clear
CMOS/Recovery
jumper
3
Memory
connector
1
12 Power
LED
connector
4
Memory
connector
2
13 Front
USB
connector
5
Power
connector
14 Front
audio
connector
6
Diskette
drive
connector
15 PCI
connectors
7
Secondary
IDE
connector
16 AGP
connector
8
Primary
IDE
connector
17 System
fan
connector
9
Battery
18 12v
power
connector
4
Hardware
Replacement
Guide