Universal Serial Bus

Pin

Signal

 

 

1

+5 VDC

 

 

2

Data -

 

 

3

Data +

 

 

4

Ground

 

 

The USB+ power port on the right side of the computer powers HP USB external devices (see Right- side components on page 10). The port provides a minimum of 4.75 V measpin on the ured at the USB connector under a continuous 2.5-A load. The port is capable of 3 A for <1 ms.

The USB + power port is identified by a 3.5 mm diameter key jack, which supports the pin on the USB + power cable for HP external devices.

NOTE: The standard USB ports on the left side on the computer provide a minimum of 4.75 V under a continuous 0.5-A load only.

126 Chapter 8 Connector pin assignments