Installing An Optional 12-Volt Powered Usb Expansion Card - HP RP3 Maintenance And Service Manual

Installing an Optional 12-Volt Powered USB Expansion Card

The computer is equipped with a 24-volt Powered USB connector on the riser card and one 12-volt
Powered USB connector on the system board. It may also have an optional 12-volt Powered USB
expansion card installed with three extra 12-volt Powered USB ports. The 24-volt Powered USB
connector and the 12-volt Powered USB connector are keyed differently as a precaution to prevent
connection errors.
No. Connector
1 24-volt Powered USB
2 12-volt Powered USB
The 12-volt Powered USB expansion card must be installed in the PCI Express x1 expansion socket
on the riser card. If your riser card does not have a PCI Express x1 expansion socket, you can
replace the riser card with one that does have a PCI Express x1 expansion socket. Refer to
Card on page 29
To install a 12-volt Powered USB expansion card:
1. Prepare the computer for disassembly
2. Remove the access panel
3. Locate the PCI Express x1 expansion socket on the riser card. The Powered USB expansion
card must be installed in the PCI Express x1 expansion socket.
26 Chapter 4 Removal and Replacement Procedures
for more information.
(Access Panel on page
Color
Red
Teal
(Preparation for Disassembly on page
16).
Riser
15).