Mainboard KM61S-AM2
18
Power Supply Attachments
ATX Power Connector: JATXPWR1, JATXPWR2
This mainboard provides two ATX power connectors, a 24-pin JATXPWR1 connector and a
4-pin JATXPWR2 connector. You must use a power supply that has both of these connectors
and both connectors must be attached before the system is powered on. These power
connectors support several power management functions such as the instant power-on function.
The connector pins are described below.
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_ON 20
-5V
9
+5V standby voltage
21
+5V
10 +12V 22
+5V
11 +12V 23
+5V
JATXPWR1
12 +3.3V 24
Ground
Pin
Assignment
Pin
Assignment
1 +12V 3 Ground
JATXPWR2
2 +12V 4 Ground
Attention
In general, power cords are designed and should be attached with a
specific direction. The black wire of the power cord is Ground and
should be attached onto the header location of Ground.