HP RP3 Maintenance & Service Guide HP RP3 Retail System Model 3100 - Page 32

Configuring Powered Serial Ports, Onboard, Devices

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5. Install the Powered Serial Port expansion card into the bottom socket on the riser card. Move the card toward the rear of the chassis so that the bracket on the card is aligned with the open slot on the rear of the chassis (1). Press the card straight down into the expansion socket on the riser card (2). NOTE: The Powered Serial Port expansion card must be installed in the bottom socket on the riser card. The bottom socket is designed specifically for that card. DO NOT attempt to install any other card in the bottom socket. Configuring Powered Serial Ports The serial ports can be configured as standard (non-powered) serial ports or powered serial ports. Some devices use a powered serial port. If the serial port is configured as a powered port, devices that support a powered serial interface do not require an external power source. NOTE: The computer ships with all serial ports configured in standard serial mode by default unless the powered serial port AV numbers are ordered. The serial ports can be configured using the Computer F10 Setup utility. Under the Onboard Devices menu, you are given the option to select the following three settings for each individual serial port (port A, B, if available C, and D): ● Standard ● 5v on pins 1 and 9 ● 12v on pins 1 and 9 NOTE: To access the Computer F10 Setup utility, restart the computer and press the F10 key as soon as the HP logo screen is displayed (before the computer boots to the operating system). CAUTION: Be careful when connecting peripheral devices to powered 5V and 12V serial ports. The peripheral device must require the same voltage for which the powered serial port is configured. Connecting a peripheral device that is not rated for the same voltage supplied by the powered serial port can damage the computer and the peripheral device. Expansion Cards 25

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5.
Install the Powered Serial Port expansion card into the bottom socket on the riser card. Move the
card toward the rear of the chassis so that the bracket on the card is aligned with the open slot
on the rear of the chassis
(1)
. Press the card straight down into the expansion socket on the
riser card
(2)
.
NOTE:
The Powered Serial Port expansion card must be installed in the bottom socket on the
riser card. The bottom socket is designed specifically for that card. DO NOT attempt to install
any other card in the bottom socket.
Configuring Powered Serial Ports
The serial ports can be configured as standard (non-powered) serial ports or powered serial ports.
Some devices use a powered serial port. If the serial port is configured as a powered port, devices
that support a powered serial interface do not require an external power source.
NOTE:
The computer ships with all serial ports configured in standard serial mode by default unless
the powered serial port AV numbers are ordered.
The serial ports can be configured using the Computer F10 Setup utility. Under the
Onboard
Devices
menu, you are given the option to select the following three settings for each individual serial
port (port A, B, if available C, and D):
●
Standard
●
5v on pins 1 and 9
●
12v on pins 1 and 9
NOTE:
To access the Computer F10 Setup utility, restart the computer and press the
F10
key as
soon as the HP logo screen is displayed (before the computer boots to the operating system).
CAUTION:
Be careful when connecting peripheral devices to powered 5V and 12V serial ports. The
peripheral device must require the same voltage for which the powered serial port is configured.
Connecting a peripheral device that is not rated for the same voltage supplied by the powered serial
port can damage the computer and the peripheral device.
Expansion Cards
25