To update BIOS 
COPY *.BIN file, Aflash.exe and msg.dat file to bootable diskette and type:
AFLASH R04-C0AX.BIN


BIOS history:
R04-B0 C0 First release
R04-C0 A1: Windows 95 support
R04-C0 A2: Fixed Cableton ISA PnP Ethernet card problem:
R04-c0 A3: Fixed problem of fail to read 360K Floppy disk in 1.2 FDD
R04-c0 A4: Fixed problem of recognizing only 425Mb on 2.5Gig WD IDE drive

BIOS v2.0 R04-C0A2 Fix problem of CableTron ISA PnP Ethernet card Model e22xx
Problems: When install Cabletron card into Optima SL system bootup No video,
no beep.
