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.
130 Chapter 8 Connector pin assignments
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