It's short beeps that go on for ever.
Here's the info.
I think the mobo is an Asus PVI-486SP3. The two chips in the board say ' SIS 85C497'. It's for an AMD 486 (socket 3)
Bios? I have no idea. Correct me if I'm wrong, is that not the chip that can be removed? 1/2"X1 1/2" in size?