HP RP3 Maintenance & Service Guide HP RP3 Retail System Model 3100 - Page 33

Installing an Optional 12-Volt Powered USB Expansion Card, PCI Express x1

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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 Color Red Teal 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 Riser Card on page 29 for more information. To install a 12-volt Powered USB expansion card: 1. Prepare the computer for disassembly (Preparation for Disassembly on page 15). 2. Remove the access panel (Access Panel on page 16). 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

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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
Color
1
24-volt Powered USB
Red
2
12-volt Powered USB
Teal
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
Riser
Card
on page
29
for more information.
To install a 12-volt Powered USB expansion card:
1.
Prepare the computer for disassembly (
Preparation for Disassembly
on page
15
).
2.
Remove the access panel (
Access Panel
on page
16
).
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