Identifying parts on the system board, Identifying, Parts – Lenovo J SERIES 8257 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 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