486bios

As a service we included the latest BIOS files for older SOYO boards on this CD. If you are not sure about how to upgrade your BIOS, please read the explanation.
486 BIOSes
25r2-b2.bin (65K)	BIOS Revision: B2 for SOYO 25R2 Mainboards Board Desciption: 8496 chipset, 4 ISA slots, 3 VESA slots BIOS Features: IDE LBA mode (>520 MB), IDE block mode, dark green mode support Note: Final version
30h-b2.bin (131K)	BIOS Revision: B2 for SOYO 30H Mainboards Board Desciption: SIS 496 chipset, 3 PCI slots, 4 ISA slots, on board IDE controller BIOS Features: PCI bus auto, NCR SDMS, IDE LBA mode (>520 MB), EIDE mode (4 HDD), IDE block mode, IDE PIO mode auto (up to PIO Mode 4), dark green mode support Note: Final version
4sa-iob1.bin (131K)	BIOS Revision: IOB1 for SOYO 4SA2 Mainboards Board Desciption: SIS 496 chipset, 4 PCI slots, 4 ISA slots, on board IDE-FDD-I/O controller BIOS Features: Win95 PnP, PCI bus auto, NCR SDMS, IDE LBA mode (>520 MB), EIDE mode (4 HDD), IDE block mode, IDE PIO mode auto (up to PIO Mode 4), multi I/O on board functions, dark green mode support Note: Final version
4saw-wa3.bin (131K)	BIOS Revision: WA3 for SOYO 4SAW2 Mainboards Board Desciption: SIS 496 chipset, 4 PCI slots, 4 ISA slots, on board IDE-FDD-I/O controller BIOS Features: Win95 PnP, PCI bus auto, NCR SDMS, IDE LBA mode (>520 MB), EIDE mode (4 HDD), IDE block mode, IDE PIO mode Auto (up to PIO Mode 4), multi I/O on board functions, dark green mode support Note: Final version
4saw-53.bin (131K)	BIOS Revision: 53 for SOYO 4SAW2 Mainboards Board Desciption: SIS 496 chipset, 4 PCI slots, 4 ISA slots, on board IDE-FDD-I/O controller BIOS Features: Win95 PnP, PCI bus auto, NCR SDMS, IDE LBA mode (>520 MB), EIDE mode (4 HDD), IDE block mode, IDE PIO mode Auto (up to PIO Mode 4), multi I/O on board functions, dark green mode support Note: Only upgrade to this revision if you have problems a new CD-ROM drive.