Please find attached file of BETA BIOS for 486 PIO2 which will support Year 
     2000.
     
     xxxxx101 --> for EPROM (Program the BIOS using an Eprom Programmer) 
     xxxxx701 --> For EEPROM (Program the BIOS using a Flash Utility -> 
     AFLASH3)
     
     xxxxCxxx --> NS 332 IO Core Logic
     xxxxBxxx --> NS 311 / 312 IO Core Logic.
     
     Please refer to Year 2000 and LS-120 table.