K8T89-A7
12
JKBV1: Power Source Header for PS/2 Keyboard and Mouse
Assignment Description
1
3
Pin 1-2 close
+5V
+5V for PS/2 keyboard and mouse
Pin 2-3 close
+5V Standby
Voltage
PS/2 mouse and keyboard are
powered with +5V standby voltage.
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
Assignment Description
Pin 1-2 close
+5V
JUSBV1: +5V for J1394_USB1 and
JUSBLAN1.
JUSBV2: +5V for JUSB1/JUSB2.
Pin 2-3 close
+5V standby
Voltage
JUSBV1: J1394_USB1 and
JUSBLAN1 are powered by
+5V standby voltage.
JUSBV2: JUSB1/JUSB2 are
powered by +5V standby
voltage.
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.
Pin Assignment Pin Assignment
1
+5V (fused)
2 +5V (fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
1
2
10
9 Key
10
NC
