slot 1 motherboard with specification similar to 6XV-133 -- http://www.sceusa.com/6xv133.htm except the maximum front side bus is 100Mhz instead of 133Mhz. Maximum Multiplier rate is 5.5 times. So the top speed using this board is 550Mhz. Intel 82371EB chipset. No manual or CD included. Ship with floppy and IDE cables.