These are BIOS dependent, so if you can get his version it might help (these are for the factory default BIOS)
1 short beep: Normal
2 short beeps: CMOS error
1 long and 1 short beep: DRAM error
1 long and 2 short beeps: Video card error
1 long and 3 short beeps: Keyboard error
1 long and 9 short beeps: ROM error
Long continuous beeps: DRAM not installed correctly
Short continuous beeps: Bad power supply
Take a look for bulged capacitors, and burn marks, and make sure the board is seated properly on the stand-offs (shorting out).