BIOS version and History for Optima SL/DT/MT Board numbers: 11509430-31
                                                            11509433-34
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Version   R01-B0A1            Production Release
Version   R01-B1A0  9/6/96    Remove OEM Manufacturing Text in BIOS
Version   R01-C0A0  12/27/96  Support CD-ROM bootable      
                              Show on display when using Fujitsu SIMM
Version   R01-C0A1  2/04/97   Show on display when using P55C(MMX) CPU*
                              Support VT4 VGA chip-set

* The 9430/9431 motherboard does NOT support the MMX chip.