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4 Error Messages and Beep Codes

4.1 BIOS Beep Codes

Beeps Error Message Description
1 Refresh Failure The memory refresh circuitry on the motherboard is
faulty.
2 Parity Error Parity is not supported on this product, will not occur.
3 Base 64 KB Memory Failure Memory failure in the first 64 KB.
4 Timer Not Operational Memory failure in the first 64 KB of memory, or Timer 1
on the motherboard is not functioning.
5 Processor Error The CPU on the motherboard generated an error.
6 8042 - Gate A20 Failure The keyboard controller (8042) may be bad. The BIOS
cannot switch to protected mode.
7 Processor Exception Interrupt Error The CPU generated an exception interrupt.
8 Display Memory Read/Write Error The system video adapter is either missing or its
memory is faulty. This is not a fatal error.
9 ROM Checksum Error ROM checksum value does not match the value
encoded in BIOS.
10 CMOS Shutdown Register Rd/Wrt
Error The shutdown register for CMOS RAM failed.
11 Cache Error/ External Cache Bad The external cache is faulty.

4.2 PCI Configuration Error Messages

The following PCI messages are displayed as a group with bus, device and function information.

<'NVRAM Checksum Error, NVRAM Cleared'>, \ ; String
<'System Board Device Resource Conflict'>, \ ; String
<'Primary Output Device Not Found'>, \ ; String
<'Primary Input Device Not Found'>, \ ; String
<'Primary Boot Device Not Found'>, \ ; String
<'NVRAM Cleared By Jumper'>, \ ; String
<'NVRAM Data Invalid, NVRAM Cleared'>, \ ; String
<'Static Device Resource Conflict'>, \ ; String

The following messages chain together to give a message such as:

PCI I/O Port Conflict: Bus: 00, Device 0D, Function: 01