* Computer gives 1 short beep when system boots successfully. * Except for beep code 8, these codes are always fatal.
* 1 beep Refresh failure * 2 beeps Parity error * 3 beeps Base 64K memory failure * 4 beeps Timer not operational * 5 beeps Processor error * 6 beeps 8042 - gate A20 failure * 7 beeps Processor exception interrupt error * 8 beeps Display memory read/write failure * 9 beeps ROM checksum error * 10 beeps CMOS shutdown register read/write error * 11 beeps Cache memory bad
* Computer gives 1 short beep when system boots successfully.
* Except for beep code 8, these codes are always fatal.
* 1 beep Refresh failure
* 2 beeps Parity error
* 3 beeps Base 64K memory failure
* 4 beeps Timer not operational
* 5 beeps Processor error
* 6 beeps 8042 - gate A20 failure
* 7 beeps Processor exception interrupt error
* 8 beeps Display memory read/write failure
* 9 beeps ROM checksum error
* 10 beeps CMOS shutdown register read/write error
* 11 beeps Cache memory bad