Re: 80486 BIOS image collection Posted on 2021-01-15, 20:38 by by Distortions in Marvin \ General Old Hardware in Marvin \ General Old Hardware AMIBIOS 486-SX/DX, 1992 Chipset OPTI Board Mark: UNIC2 94V-0 9326 06/06/92 American Megatends X0-0100-001378-00101111-060692-495SX_A