The Performa 6300 (a.k.a. 6260, 6290, 6310) replaced the 6200‘s 75 MHz 603 with a faster 100 MHz 603e CPU. The 6300 was replaced with a 120 MHz model in April 1996. To save money, Apple based the x200 motherboard on the Quadra 605 with its 25 MHz system bus and 32-bit memory, even though the 603 […]