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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 are generated by the system board speaker. The following table describes the beep codes that are used by BIOS:
Number of beeps | Description |
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1 | Memory refresh timer error. |
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3 | Main memory read/write test error. |
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6 | Keyboard controller BAT test error. |
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7 | General exception error. |
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8 | Display memory error. |
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