NF4 Ultra-A9
13
CHAPTER 3: HEADERS & JUM PERS SETUP
3.1 H
OW TO SETUP
J
UMPERS
The illustration shows how to set up jumpers. When the jumper cap is
placed on pins, the jumper is “close”, if not, that means the jumper is
“open”.
Pin
opened
Pin
closed
Pin1-2
closed
3.2 D
ETAIL
S
ETTINGS
ATX Powe r Source Conne ctors: JATXPW R1/JATXPW R2
JATXPWR1: This connector allows user to connect 20-pin power
connector on the ATX power supply.
JATXPWR2: By connecting this connector, it will p12V to CPU
power circuit.
Pin Assignment Pin Assignment
1 +3.3V
13 +3.3V
2 +3.3V
14 -12V
3 Ground
15 Ground
4 +5V
16 PS_ON
5 Ground
17 Ground
6 +5V
18 Ground
7 Ground
19 Ground
8 PW_OK
20 -5V
9 Standby
Voltage
+5V 21 +5V
10 +12V
22 +5V
11 +12V
23 +5V
1
12
13
24
J ATXPWR1
12 Detect
24 Ground
Pin Assignment Pin Assignment
1 +12V
3 Ground
1
2
3
4
J ATXPWR2
2 +12V
4 Ground