HP Brio 83xx HP BRIO PC - Online Reference Guide, Not Orderable - Page 29

Warning Messages and the Power-On Self-Test, Beep Codes

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2 About Your BIOS Warning Messages and the Power-On Self-Test Warning Messages and the Power-On Self-Test The POST is executed each time the system is turned on or a reset is performed. The POST process checks that system components are operating correctly and initializes certain system parameters. Beep Codes If a terminal error occurs during POST, the system issues a beep code before attempting to display the error. Beep codes are useful for identifying the error when the system is unable to display the error messages. The following table is a list of beep codes issued for terminal errors. Beep Pattern Numeric Code Description B4h This does not indicate an error There is one short beep before system startup 16h BIOS ROM checksum failure 20h DRAM refresh test failure 22h 8742 Keyboard controller test failure 2Ch RAM failure on address line 2Eh RAM failure on data bits in low byte of memory bus 30h RAM failure on data bits in high byte of memory bus 46h ROM copyright notice check failure 58h Unexpected interrupts test failure 98h Video configuration failure or no card installed Option ROMs checksum failure 29

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2
About Your BIOS
Warning Messages and the Power-On Self-Test
Warning Messages and the Power-On Self-Test
The
POST
is executed each time the system is turned on or a reset is performed. The POST process checks that system
components are operating correctly and initializes certain system parameters.
Beep Codes
If a terminal error occurs during POST, the system issues a beep code before attempting to display the error. Beep codes
are useful for identifying the error when the system is unable to display the error messages.
The following table is a list of beep codes issued for terminal errors.
Beep Pattern
Numeric Code
Description
B4h
This does not indicate an error
There is one short beep before system startup
16h
BIOS ROM
checksum failure
20h
DRAM
refresh test failure
22h
8742 Keyboard controller test failure
2Ch
RAM
failure on address line
2Eh
RAM failure on data bits in low byte of memory bus
30h
RAM failure on data bits in high byte of memory bus
46h
ROM copyright notice check failure
58h
Unexpected interrupts test failure
98h
Video configuration failure or no card installed
Option ROMs checksum failure