Specifications

Error Messages and Diagnosis
J J
J-9
Keyboard error (with two short beeps)
Problem: This message indicates that the system did not recognize a keyboard at
power-up or you pressed a key during the power-on self test.
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). If this is the case, replace the
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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