HP rp5800 Hardware Reference Guide HP rp5800 - Page 24

Installing a 12-Volt Powered USB Expansion Card, CAUTION - usb ports

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Installing a 12-Volt Powered USB Expansion Card The computer is equipped with a 24-volt Powered USB connector on the riser card, and may have one or two 12-volt Powered USB half-height expansion cards installed for a total of 6 optional 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. Figure 2-13 24-volt and 12-volt Powered USB Connectors Table 2-3 24-volt and 12-volt Powered USB Connectors No. Connector Color 1 24-volt Powered USB Red 2 12-volt Powered USB Teal To install a half-height 12-volt Powered USB expansion card: 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as compact discs or USB flash drives, from the computer. 3. Turn off the computer properly through the operating system, then turn off any external devices. 4. Disconnect the power cord from the power outlet and disconnect any external devices. CAUTION: Regardless of the power-on state, voltage is always present on the system board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer. 5. If the computer is on a stand, remove the computer from the stand. 6. Remove the computer access panel. 7. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis. NOTE: You can install the Powered USB expansion card in either the PCI Express x1 slot or the PCI Express x16 slot, or both. Two 12-volt Powered USB expansion cards are supported. 18 Chapter 2 Hardware Upgrades ENWW

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Installing a 12-Volt Powered USB Expansion Card
The computer is equipped with a 24-volt Powered USB connector on the riser card, and may have
one or two 12-volt Powered USB half-height expansion cards installed for a total of 6 optional 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.
Figure 2-13
24-volt and 12-volt Powered USB Connectors
Table 2-3
24-volt and 12-volt Powered USB Connectors
No.
Connector
Color
1
24-volt Powered USB
Red
2
12-volt Powered USB
Teal
To install a half-height 12-volt Powered USB expansion card:
1.
Remove/disengage any security devices that prohibit opening the computer.
2.
Remove all removable media, such as compact discs or USB flash drives, from the computer.
3.
Turn off the computer properly through the operating system, then turn off any external devices.
4.
Disconnect the power cord from the power outlet and disconnect any external devices.
CAUTION:
Regardless of the power-on state, voltage is always present on the system board
as long as the system is plugged into an active AC outlet. You must disconnect the power cord
to avoid damage to the internal components of the computer.
5.
If the computer is on a stand, remove the computer from the stand.
6.
Remove the computer access panel.
7.
Locate the correct vacant expansion socket on the system board and the corresponding
expansion slot on the back of the computer chassis.
NOTE:
You can install the Powered USB expansion card in either the PCI Express x1 slot or
the PCI Express x16 slot, or both. Two 12-volt Powered USB expansion cards are supported.
18
Chapter 2
Hardware Upgrades
ENWW