Biostar P4M900-M4 User Manual download pdf (Page 15)

P4M900-M4

JUSB2/JUSB3: 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.

Assignment

1 +5V (fused)

2 +5V (fused)

3 USB-

4 USB-

5 USB+

6 USB+

7 Ground

8 Ground

9 Key

210

JUSB2

JUSB3

10 NC

JUSBV1/JUSBV2: Power Source Headers for USB Ports

Pin 1-2 Close:

JUSBV1: +5V for USB ports at JUSB1/JUSBLAN1.

JUSBV2: +5V for USB ports at front panel (JUSB2/JUSB3).

Pin 2-3 Close:

JUSBV1: USB ports at JUSB1/JUSBLAN1 are powered by +5V standby

voltage.

JUSBV2: USB ports at front panel (JUSB2/JUSB3) are powered by +5V

standby voltage.

Pin 1-2 close

JUSBV1

JUSBV2

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.

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Biostar P4M900-M4 User Manual Page 15