Solving retail system-specific problems
The issues listed in this section are specific to features available in this Retail System.
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.
106 Appendix G Troubleshooting without diagnostics
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