Na120 Motherboard Layout - Lite-on Tech NA120 User Manual

NA120 Motherboard

NA120 Motherboard Layout

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