Manual

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(8) Front USB Header: JUSB3/ JUSB4

The motherboard provides two USB 2.0 Pin Header. USB 2.0 technology

increases Data transfer rate up to a maximum throughput of 480 Mbps, which

is 40 times faster than USB 1.1, and is ideal for connecting high-speed USB

interface peripherals such as USB HDD, digital cameras, MP3 players, printers,

modems, etc.

Pin Assignment Pin Assignment

1 +5V(fused) 2 +5V(fused)

3 USBP-0 4 USBP-1

5 USBP+0 6 USBP+1

7 Ground 8 Ground

9 KEY 10 NC

(9) Power Source Selection for USB: JUSBV1/JUSBV2/JUSBV3 (for version

2.0 only)

JUSBV1/JUSBV2 Assignment Description

JUSBV3

Pin 1-2 close +5V JUSBV1: 5V for USB at the

J1394_USB1 port connector.

JUSBV2: 5V for USB at the

JUSBLAN1port connector.

JUSBV3: 5V for USB at the JUSB3/

JUSB4 port connectors.

Pin 2-3 close +5V Standby Voltage JUSBV1: 5V Standby voltage for USB

at the J1394_USB1 port connector.

JUSBV2: 5V Standby voltage for USB

at the JUSBLAN1 port connector.

JUSBV3: 5V Standby voltage for USB

at the JUSB3/JUSB4 port connectors.

Note: In order to support the function “Power-on the system via USB devices

function,” " JUSBV1/JUSBV2/ JUSBV3" jumper cap should be placed on pin

2-3 respectively.

(10) Serial ATA Connector: JSATA1/JSATA2

The motherboard has a PCI to SATA Controller with 2 channels STAT interface.

It satisfies the SATA 1.0 spec and can transfer data with 1.5GHz speed.

Pin Assignment Pin Assignment

1 Ground 2 TX+

3 TX- 4 Ground

5 RX- 6 RX+

7 Ground