Genuine retro 486 motherboard, Socket 3 (PGA237), Baby AT form factor. Fitted with IBM 486-2V266GB CPU and populated RAM chips (8x cache/DRAM ICs). • ALi M1489/M1487 chipset • AMI BIOS (486DX ISA BIOS, 1993) • 4x ISA, 3x PCI expansion slots • Supports Intel 486 DX/DX2/DX4 Sold as-is, untested. Looks like there is some minor surface green corrosion.  Great find for retro PC builds and 486-era restorations.
