Lite-on Tech NA120 - Motherboard Layout

NA120 Motherboard
3
NA120 Motherboard Layout
A CPU Socket H Front Side USB
B CPU Fan Socket I COM Port
C Memory Sockets J Expansion Slots
D Power Supply Connectors K Audio Connector
E Floppy Connector L Jumper Connector
F IDE Connectors M Back Panel Connectors
G Front Panel Connector
Front Panel Connector Pin Definition
Pin Signal Name I/O Description
1 HDD LED+ O Pull up 330ohm to VCC
2 Suspend LED- O SUS LED
3 HDD LED- O IDEACTP-
4 Suspend LED+ O Pull up 330ohm to VCC
5 H/W reset- - GND
6 Power Button+ I Pull up 1Kohm to VCC
7 H/W reset+ I HWRST SW
8 Power Button- - PWRBTIN
9 VCC - VCC
10 EXT, SMI+ I Pull up 8.2ohm to 3.3V
11 IRRX I IRRX
12 EXT, SMI- - GND
13 GND - GND
14
KEY
- KEY
15 IRTX O IPTX
16 Power LED+ O VCC
17 CIRRX - CIRRX
18 NC - not connected
19 NC - not connected
20 Power LED- - GND
A
B
C
D
E
F
G
J
H
D
K
M
L
I