Table of Contents
Advertisement
4
Error Messages and Beep Codes
4.1 BIOS Beep Codes
Table 41. BIOS Beep Codes
Beeps
Error Message
1
Refresh Failure
2
Parity Error
3
Base 64 KB Memory Failure
4
Timer Not Operational
5
Processor Error
6
Gate A20 Failure
7
Processor Exception Interrupt
Error
8
Display Memory Read/Write
Error
9
ROM Checksum Error
10
CMOS Shutdown Register
Read/Write Error
4.2 PCI Configuration Error Messages
The following PCI messages are displayed as a group with bus, device and function information.
Table 42. PCI Configuration Error Messages
Error Message
NVRAM Checksum Error, NVRAM
Cleared
System Board Device Resource
Conflict
Primary Output Device Not Found
Primary Input Device Not Found
Primary Boot Device Not Found
Description
The memory refresh circuitry on the motherboard is faulty.
A parity error has been detected.
Memory failure in the first 64 KB.
Memory failure in the first 64 KB of memory, or Timer 1 on the
motherboard is not functioning.
The microprocessor on the motherboard generated an error.
The keyboard controller might be bad. The BIOS cannot switch
to protected mode.
The microprocessor generated an exception interrupt.
The video adapter is either missing or its memory is faulty.
This is not a fatal error.
ROM checksum value does not match the value encoded in
BIOS.
The shutdown register for CMOS RAM failed.
Explanation
The ESCD data was reinitialized because of an NVRAM
checksum error. Try rerunning the ICU.
A non Plug and Play ISA card has requested a resource that is
already in use.
The designated primary output device (printer, modem, or other, if
output is redirected) could not be found.
The designated primary input device (keyboard, mouse, or other,
if input is redirected) could not be found.
The designated primary boot device (hard disk drive, diskette
drive, or CD-ROM drive) could not be found.
continued
71
Advertisement
Table of Contents
