BIOS Recovery Beep Codes

In the case of a Bootblock update, where video is not available for text messages to be displayed, speaker beeps are necessary to inform the user of any errors. The following table describes the type of error beep codes that may occur during the Bootblock update.

Table 16. BIOS Recovery Beep Codes

Beeps

Error message

1

Recovery started

 

 

2

Recovery boot error

 

 

POST Progress Code

Flashing series of POST codes: E9h

EEh

EBh

ECh

EFh

Description

Start recovery process.

Unable to boot to floppy, ATAPI, or ATAPI CD-ROM. Recovery process will retry.

Series of long

Recovery failed

EEh

low-pitched single

 

 

beeps

 

 

 

 

 

2 long high-pitched

Recovery complete

EFh

beeps

 

 

 

 

 

Unable to process valid BIOS recovery images. BIOS already passed control to operating system and flash utility.

BIOS recovery succeeded, ready for power-down, reboot.

Bootblock Error Beep Codes

Table 17. Bootblock Error Beep Codes

Beeps Error message

1Refresh timer failure

2Parity error

3Base memory failure

4System timer

5Processor failure

6Keyboard controller Gate A20 failure

7Processor exception interrupt error

8Display memory read/write error

9ROM checksum error

10Shutdown register error

11Invalid BIOS

Description

The memory refresh circuitry on the motherboard is faulty.

Parity can not be reset.

Base memory test failure. **See "3-Beep-Boot Block Failure Error Code" table for additional error details.

System timer is not operational.

Processor failure detected..

The keyboard controller may be bad. The BIOS cannot switch to protected mode.

The CPU generated an exception interrupt.

The system video adapter is either missing or its memory is faulty. This is not a fatal error.

System BIOS ROM checksum error.

Shutdown CMOS register read/write error detected.

General BIOS ROM error.

Technical Reference

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Intel SE7500WV2 manual Bios Recovery Beep Codes, Bootblock Error Beep Codes