Lenovo a57 9702 Manual Suplementar
System
board
connectors
This
illustration
is
to
help
locate
the
various
system
board
connectors.
1
Microprocessor
fan
connector
15
Flash
BIOS
jumper
2
Microprocessor
and
heat
sink
16
Front
USB
connector
3
Memory
connector
1
17
Front
USB
connector
4
Memory
connector
2
18
Serial
(COM)
connector
5
Memory
connector
3
19
LEO
connector
6
Memory
connector
4
20
Front
audio
connector
7
Power
connector
21
Mono
out
connector
8
Diskette
drive
connector
22
PCI
adapter
connector
9
Thermal
sensor
connector
23
PCI
adapter
connector
10
Front
USB
connector
24
Battery
11
Serial
ATA
connectors
(4)
25
PCI
Express
x1
adapter
connector
12
Front
panel
connector
26
PCI
Express
x16
graphics
adapter
connector
13
Power
fan
connector
27
System
fan
connector
14
Tamper
switch
connector
28
12V
power
connector
88
Hardware
Maintenance
Manual