Two possibilities:
Chaintech
6BSA or Chaintech
6BTA3Double check your motherboard to see if you see those models are printed on the board somewhere. The links are to teh BIOS updates.
6BTA3 updates:
Change the new code base (including coppermine cpu micro code)
Support HDD over 30GB
Fixes the jumpless display problem (700mhz,user define)
Add processor number feature in bios features setup
6BSA updates:
Change the new code base (including coppermine cpu micro code)
Support HDD over 30GB
Fixes the jumpless display problem (700MHz,user define)