Intergraph TDZ-400 Deskside, Setup And Maintenance Manual

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92 Chapter 8 - Troubleshooting
System Boot Errors
ERROR - Series of beeps and error message displays.
Number of Beeps - Message Explanation and Solution
1 - Refresh Failure Bad memory refresh circuitry on
the system board. Remove and re-
install the SIMMs. If error
continues, replace SIMMs.
2 - Parity Error Parity error in the first 64 KB
block of memory. Remove and re-
install the SIMMs. If error
continues, replace SIMMs.
3 - Base 64 KB Memory Error Memory failure in the first 64 KB.
Remove and re-install the SIMMs.
If error continues, replace SIMMs.
4 - Timer Not Operational Memory failure in the first 64 KB,
or Timer 1 on the system board is
not functioning. Replace the
system board. Refer to Chapter 4.
5 - Processor Error The CPU on the system board
generated an error. Call the
Customer Response Center.
6 - 8042 - Gate A20 Failure The BIOS cannot switch to
protected mode. Replace the
system board. Refer to Chapter 4.
7 - Processor Exception Interrupt The CPU generated an exception
interrupt. Call the Customer
Response Center.
8 - Display Memory Read/Write
Error The sound controller is faulty.
Replace the system board. Refer
to Chapter 4.
9 - ROM Checksum Error The ROM checksum value does
not match the value encoded in the
BIOS. Replace the BIOS ROM
chip.
10 - CMOS Shutdown Register
Read/Write Error The shutdown register for CMOS
RAM failed. Replace the system
board. Refer to Chapter 4.
11 - Cache Error/External Cache
Bad The external cache is faulty.
Replace the system board. Refer
to Chapter 4.