Intergraph TD-300 Maintenance Manual - page 114
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Maintenance Manual
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100 Chapter 7 - Troubleshooting
ERROR - CMOS Checksum error message displays.
Reason
Solution
CMOS RAM is corrupt.
Reboot the system. The Optimal
BIOS defaults are loaded to
resume operation. If the error
continues, call the Customer
Response Center.
ERROR - Memory parity error message displays.
Reason
Solution
Faulty SIMMs are installed, or
system board failure has occurred.
Call the Customer Response
Center.
ERROR - I/O card parity error message displays.
Reason
Solution
Faulty option board is installed in
an ISA slot.
Remove the ISA board, then
restart the workstation.
Riser card is faulty.
Call the Customer Response
Center.
ERROR - DMA bus timeout message displays.
Reason
Solution
Failure in DMA bus logic has
occurred.
Call the Customer Response
Center.