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BIOS attempts to boot from the wrong hard
disk drive.
Ensure the SCSI adapter for the system
drive is installed physically below all other
SCSI adapters. For more information, see
Chapter 5.
IDE hard disk drive is connected to IDE
controller.
BIOS cannot boot from a SCSI hard drive if
an IDE hard disk drive is connected.
Disconnect all IDE hard disk drives. For
more information, see Chapter 5.
ERROR - Series of beeps and error message displays.
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,
or the keyboard controller is
malfunctioning. 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 video adapter 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.
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