31
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 ROM’s checksum failure
Содержание Brio 8300
Страница 1: ...Online Reference Guide Online Guide Date Spring1998 HP PC ...
Страница 8: ...8 ...
Страница 9: ...1 About Your Hardware ...
Страница 22: ...22 1 About Your Hardware Your HP Enhanced Keyboard ...
Страница 23: ...2 About Your BIOS ...
Страница 34: ...34 2 About Your BIOS How to Recover if Things Go Wrong ...
Страница 35: ...3 Upgrading and Adding Accessories ...
Страница 65: ...Appendix AT Commands ...
Страница 76: ...76 Appendix AT Commands Modem Response Messages ...
Страница 80: ...Glossary 80 ...
Страница 84: ...Index 84 ...
Страница 85: ......
Страница 86: ......