RadiSys EPC-23 Hardware Reference Manual page 39

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Troubleshooting & Error Messages
Problem:
You are trying to access a logical drive (e.g., A:, B:, ...) that is not
known to the operating system.
Solution(s): Select a different logical drive. If you are trying to access a hard disk,
you may need to create the logical partition.
KEYBOARD ERROR OR NO KEYBOARD PRESENT
Problem:
This message indicates that the system did not recognize a keyboard
at power-up or you pressed a key during the power-on selftest.
Solution(s): Check the integrity of the keyboard connector.
If you think you pressed a key during power-up, reboot the system
using the front panel reset button.
Some keyboards are designed with a switch (or jumper) to allow the
user to configure the keyboard for use with an AT machine or an XT
machine. If this is the case with your keyboard, verify that the switch
is in the AT position.
The keyboard may not be a valid PC/AT keyboard (e.g., it is a
PC/XT-only or PS/2 keyboard).
keyboard with a PC/AT style keyboard.
MEMORY PARITY INTERRUPT AT ...
Problem:
This could be a software error (reading a nonexistent memory area) or
a true hardware failure.
Solution(s): Attempt to repeat the error. If the error occurs during the execution
of your own proprietary software, verify that the memory location
specified in your software is valid.
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BIOS
If this is the case, replace the
BIOS
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