Take the fairly popular 25 MHz Quadra 610, add a 25 MHz 80486SX-based IBM-compatibility card, and you have the Quadra 610 DOS Compatible.
Monthly Archives: February 1994
he LC 575 (a.k.a. Performa 575, 577, and 578) is essentially a Quadra 605 motherboard in an LC 520/550 case.