What does it mean when the computer is repeating long beeps?

"While this thread is pretty old and somewhat dead - I thought I'd drop my .02 in the bucket.

On a PC with a Phoenix BIOS, I've had this problem happen because I had a broken keyboard plugged in. So it CAN be something simpler than a totally hosed computer. I swapped out a different keyboard and it booted up just fine.

The beep code page William referenced is helpful - though it doesn't have anything on what I specifically experienced..."