Warning Messages And The Power-On Self-Test (Post); Beep Codes - HP Brio 8200 Online Manual

Warning Messages and the Power-On Self-Test (POST)

When you turn on your computer, the
preparing the computer to load the operating system. This procedure is known as the POST.

Beep Codes

If a terminal error occurs during the 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
BIOS takes control of the machine and tests and initializes the hardware,
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
Warning Messages and the Power-On Self-Test (POST)
Description
2 About Your BIOS
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