Biostar P4VTC, User Manual

Page: 11 / 28

9
Power Connectors: JATXPWR1/ JATXPWR2
PIN Assignment PIN Assignment
1 +3.3V 11 +3.3V
2 +3.3V 12 -12V
3 Ground 13 Ground
4 +5V 14 PS_ON
5 Ground 15 Ground
6 +5V 16 Ground
7 Ground 17 Ground
8 PW_OK 18 -5V
9 Standby Voltage
+5V
19 +5V
20
11
10
1
JATXPWR1
10 +12V 20 +5V
PIN Assignment PIN Assignment
1 +12V 3 Ground
4
2
3
JATXPWR2
2
+12V
4
Ground
Power Source Selection for Keyboard and Mouse: JKBV1
JKBV1
Assignment
Description
1 3
Pin 1-2 close
+5V
+5V for keyboard and mouse
1 3
Pin 2-3 close
+5V Standby
Voltage
PS/2 Mouse and PS/2 Keyboard are
powered with +5V standby voltage
Note: In order to support this function “Power-on the system via keyboard
and mouse, “JKBV1” jumper cap should be placed on pin 2-3.