USBF1~4: Front Panel USB headers

The motherboard supports eight USB ports on the rear panel and four USB ports on the front. The USB header pins description is as follows:

Pin

Signal Name

Function

 

 

 

1

USBPWR

Front Panel USB Power

 

 

 

2

USBPWR

Front Panel USB Power

 

 

 

3

USB_FP_P0-

USB Port 0 Negative Signal

 

 

 

4

USB_FP_P1-

USB Port 1 Negative Signal

 

 

 

5

USB_FP_P0+

USB Port 0 Positive Signal

 

 

 

6

USB_FP_P1+

USB Port 1 Positive Signal

 

 

 

7

GND

Ground

 

 

 

8

GND

Ground

 

 

 

9

Key

No pin

 

 

 

10

USB_FP_OC0

Overcurrent signal

 

 

 

66

Chapter 5

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Image 74
Acer M3920 manual USBF1~4 Front Panel USB headers, Pin Signal Name Function