Intergraph Zx10 Ultra-Tower, System Manual

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32
System Boot
Does not boot from the expected boot device
Reason Solution
Boot sequence is not correctly set. Change the boot sequence. See the System Board
Manual for information on running BIOS Setup and
changing the boot sequence.
Operating system is not on the system
drive. Reinstall the operating system.
Series of beeps and error messages display
Message Explanation and Solution
Refresh Failure Bad memory refresh circuitry on the system board.
Remove and reinstall DIMM(s). If error persists,
replace the DIMM(s).
Parity Error Parity error in the first 64 KB block of memory.
Remove and reinstall DIMM(s). If error persists,
replace DIMM(s).
Base 64 KB Memory Error Memory failure in the first 64 KB. Remove and
reinstall the DIMM(s). If error persists, replace the
DIMM(s).
Timer Not Operational Memory failure in the first 64 KB, or Timer 1 on
the system board is not functioning. Call the
Customer Response Center.
Processor Error The CPU on the system board generated an error.
Call the Customer Response Center.
8042 - Gate A20 Failure The BIOS cannot switch to protected mode. Call
the Customer Response Center.
Processor Exception Interrupt The CPU generated an exception interrupt. Call the
Customer Response Center.
Display Memory Read/Write Error The sound controller is faulty. Call the Customer
Response Center.
ROM Checksum Error The ROM checksum value does not match the value
encoded in the BIOS. Call the Customer Response
Center.
CMOS Shutdown Register Read/Write
Error The shutdown register for CMOS RAM failed. Call
the Customer Response Center.
Cache Error/External Cache Bad The external cache is faulty. Call the Customer
Response Center.