Motherboard mini at biostar m5atd (aladdin iv+) rev 1.2 skt 7 board only, cpu memory, video cards were used for testing purposes only and sold separately   1x  at keyboard 1x  floppy interface 2x  ide interface 1x  ps/2 mouse 1x  parallel 2x  serial 2x  usb 1.x 2x  16-bit isa 4x  32-bit pci manual https://theretroweb.com/motherboard/manual/m5atdmanual-609fcd61a3db1704854716.pdf https://theretroweb.com/chip/documentation/m1543-6454b6cb3447a935066363.pdf