Biostar K8T890-A7 Manual page 14

JKBV1: Power Source Header for PS/2 Keyboard and Mouse
1
3
Pin 1-2 close
1
3
Pin 2-3 close
Note:
In order to support this function "Power-on system via keyboard and
mouse", "JKBV1" jumper cap should be placed on Pin 2-3.
JUSBV1/JUSBV2: Power Source Header for USB Ports
1
3
Pin 1-2 close
1
3
Pin 2-3 close
Note:
In order to support this function "Power-on system via USB device,"
"JUSBV1/ JUSBV2" jumper cap should be placed on Pin 2-3
individually.
JUSB1/JUSB2: Headers for USB 2.0 Ports at Front Panel
This header allows user to connect additional USB cable on the PC
front panel, and also can be connected with internal USB devices, like
USB card reader.
2 10
1
K8T89-A7
Assignment
+5V +5V f or PS/2 key board and mouse
+5V Standby PS/2 mouse and keyboard are
Voltage powered with +5V standby v oltage.
Assignment
JUSBV1: +5V for J1394_USB1 and
JUSBLAN1.
+5V
JUSBV2: +5V for JUSB1/JUSB2.
JUSBV1: J1394_USB1 and
JUSBLAN1 are powered by
+5V standby +5V standby voltage.
Voltage
JUSBV2: JUSB1/JUSB2 are
powered by +5V standby
v oltage.
Pin Assignment
1 +5V (f used)
3 USB-
5 USB+
7 Ground
9 Key
12
Description
Description
Pin Assignment
2 +5V (f used)
4 USB-
6 USB+
8 Ground
10 NC