----- VL/I-486SV2G/GO/GOX4/GX4 -----

sv2g0304.zip  VL/I-486SV2G (GX4, GO, GOX4) BIOS ver. 0304.
sv2g0305.zip  VL/I-486SV2G/GX4 Rev 2.0 (& SVGO/SVGOX4 Rev 1.5), BIOS ver. 0305.
              1. Turn on IRQ9 interrupt mask bit for some bus mouses,
                 sound cards, and IBM 3278/79 emulation cards.

sv2g0401.zip  VL/I-486SV2GX4 Rev 2.0, 2.1, BIOS ver. 0401.
              1. Support Cyrix DX4 CPU.               
              2. Support Cyrix M1SC/5x86 CPU.
              3. Support AMD DX4 CPU. 

sv2g0402.zip  VL/I-486SV2GX4 Rev 2.0, 2.1, BIOS ver. 0402.
              1. Support AMD 5x86 CPU.