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CPU Upgrade
CPU Fault Messages
CPU Fault Messages
There are three CPU fault messages that can occur due to procedure error or component failure during an
upgrade involving system boards and/or CPUs. These fault messages are displayed as hex codes.
a
Fault Code
1x08
1xBC
3xBC
a. x = indicates slot number of processor (0, 1, 2...) that detected failure.
14
Description
Illegal Instruction Trap
Bad CPU Clock Speed Detected
Bad System Clock Speed
Action
Check for properly installed crys-
tal in System Board socket (XY1).
Verify that System Board Crystal
(XY1) and Clock Switch (SW1)
are appropriate for speed of
installed processor.
Check for proper setting of Clock
Frequency Switch (SW1) on
System Board.
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