>motherboard for the IBM PC, and they included an 8086 slot and a slot for either an 8087 or 8089 nit: IBM PC used the 8088, the "8 bit external bus" version o

>motherboard for the IBM PC, and they included an 8086 slot and a slot for either an 8087 or 8089 nit: IBM PC used the 8088, the "8 bit external bus" version of the 16 bit 8086