HP RP7 Maintenance & Service Guide HP RP7 Retail System Model 7800 - Page 147

Solving Retail System-specific Problems

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Solving Retail System-specific Problems The issues listed in this section are specific to features available in this Retail System. Table F-1 Solving Retail System-specific problems Powered serial ports don't have power. Cause Solution Ports are not correctly configured in Computer Setup. 1. Run the Computer Setup utility. 2. Under Onboard Devices, make sure the correct setting is selected for each individual serial port (A, B, if available, C, and D). Available settings are: ◦ Standard ◦ 5v on pins 1 and 9 ◦ 12v on pins 1 and 9 A powered serial device was connected while system power The computer must be powered off when you plug in was on. powered serial devices. Disconnect the device, power off the system, plug in the device, and power on the system. Solving Retail System-specific Problems 137

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Solving Retail System-specific Problems
The issues listed in this section are specific to features available in this Retail System.
Table F-1
Solving Retail System-specific problems
Powered serial ports don't have power.
Cause
Solution
Ports are not correctly configured in Computer Setup.
1.
Run the Computer Setup utility.
2.
Under
Onboard Devices
, make sure the correct setting
is selected for each individual serial port (A, B, if
available, C, and D).
Available settings are:
◦
Standard
◦
5v on pins 1 and 9
◦
12v on pins 1 and 9
A powered serial device was connected while system power
was on.
The computer must be powered off when you plug in
powered serial devices.
Disconnect the device, power off the system, plug in the
device, and power on the system.
Solving Retail System-specific Problems
137