Beep Codes (Bios Version: Gx.07.Xx) - HP 525 5/XX Technical Reference Manual

Beep Codes (BIOS version: GX.07.xx)

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 message.
Beep Pattern
HP/Phoenix BIOS (BIOS version: GX.07.xx)
Numeric
Code Description
B4 This does not indicate an error.
There is one short beep before system
startup.
98 Video configuration failure or
Option ROMs checksum failure
16H BIOS ROM checksum failure
20H DRAM refresh test failure
22H 8742 Keyboard controller test failure
2C RAM failure
2E RAM failure on data bits in low byte of
memory bus
30 RAM failure on data bits in high byte of
memory bus
46 ROM copyright notice check failure
58 Unexpected interrupts test failure
4 Summary of the HP/Phoenix BIOS
99