Socket 7 at fic va-502 motherboard, 3x isa, 4x pci , 166Mhz cpu, tested working manuals https://theretroweb.com/motherboard/manual/va-502-user-manual-627274a103814680479488.pdf   1x  AT Keyboard 1x  Floppy interface 2x  IDE interface 1x  PS/2 mouse 1x  Parallel 2x  Serial 2x  USB 1.x 3x  16-bit ISA 4x  32-bit PCI