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Beep Code | Message | Description |
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N/A | “NO INTERRUPTS FROM TIMER 0” | Timer 0 of the clock timer controller does not |
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| generate system interrupts correctly. |
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N/A | “UNEXPECTED AMOUNT OF | The system memory size does not match with |
| MEMORY - RUN SCU” | the CMOS record. |
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N/A | “CLOCK NOT TICKING CORRECTLY” | The system clock does not working correctly. |
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N/A | “TIME/DATA CORRUPT - RUN SCU” | The time/date information in CMOS is invalid. |
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N/A | “MACHINE IS LOCKED - TURN KEY” | The keyboard operation is locked. |
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N/A | “BOOT SECTOR 0 HAS CHANGED” | The boot sector of the hard disk has been |
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| changed, probably because of a virus attack. |
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N/A | No | |
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N/A | “Hard Disk ERROR!” | Access to the |
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N/A | No | |
| NOT FOUND!” |
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N/A | The capacity of the | |
| SMALL!” | not enough. |
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N/A | “MEMORY SIZE HAS CHANGED | The memory size has changed after previous |
| REBOOTING” | |
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Chapter 4 | 65 |