Acer X3810 User Manual

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Chapter 4

Beep Codes

Beep codes are used by the BIOS to indicate a serious or fatal error to the end user. Beep codes are used 
when an error occurs before the system video has been initialized. Beep codes will be generated by the 
system board speaker, commonly referred to as the PC speaker.

AMIBIOS displays the checkpoints in the bottom right corner of the screen during POST. This display method 
is limited, since it only displays checkpoints that occur after the video card has been activated.

Not all computers using AMIBIOS enable this feature. In most cases, a checkpoint card is the best tool for 
viewing AMIBIOS checkpoints.   

Boot Block Beep Codes

POST BIOS Beep Codes 

One short beep

System is ready. 

System is OK. 

Continuous one long beep

Memory not installed or memory error.

One long beep and two short beeps 
then repeat. 

VGA not installed or VGA error. 

Graphics card error/not installed, graphics card memory error or 
graphics card BIOS checksum error. 

One long beep then two short beep

BIOS damaged.

BIOS is damaged, BIOS POST jumps to Boot Block to execute the 
default procedures. 

Two short beeps 

CMOS damaged. 

CMOS checksum error or CMOS battery loss occurs. 

1

No media present. Insert diskette in floppy drive A:

2

‘AMIBOOT.ROM’ file not found in root directory of diskette in A:

3

Insert next diskette if multiple diskettes are used for recovery

4

Flash Programming successful

5

Floppy read error

7

No Flash EPROM detected

10

Flash Erase error

11

Flash Program error

12

‘AMIBOOT.ROM’ file size error

13

BIOS ROM image mismatch (file layout does not match image present in flash 
device)

1

Memory refresh timer error.

3

Base memory read/write test error

6

Keyboard controller BAT command field

7

General exception error (processor exception interrupt error)

8

Display memory error (system video adapter)