Owner's Manual

865GV Micro 478
16
JUSB2/JUSB3: Front USB Headers
This motherboard provides 2 USB 2.0 headers, which 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
1 +5V (fused)
2 +5V (fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
10
1
2
9
JUSB3JUSB2
10 NC
JKB_USBV1/JUSBV2/JUSBV3_4: Power Source Headers for PS/2 and USB Ports
Pin 1-2 Close:
JKB_USBV1: +5V for PS/2 ports and USB ports at JKBMS1 and JUSB1.
JUSBV2: +5V USB ports at JUSB2 (JUSB2).
JUSBV3_4: +5V for USB ports at front panel (JUSB3/JUSB4).
Pin 2-3 Close:
JKB_USBV1: PS/2 ports and USB ports at JKBMS1 and JUSB1 are
powered by +5V standby voltage.
JUSBV2: USB ports at and JUSB2 are powered by +5V standby voltage.
JUSBv3_4: USB ports at front panel (JUSB3/JUSB4) are powered by +5V
standby voltage.
1
3
1
3
Pin 1-2 close (Default)
JUSBV2
31
JUSBV3_4
3
1
JKB_USBV1
3
1
1
3
1
3
Pin 2-3 close
Note:
In order to support this function “Power-On system via USB device,”
“JKB_USBV1/JUSBV2/ JUSBV3_4” jumper cap should be placed on Pin 2-3 individually.