Cracking Open the Apple IIc

A collection of Apple Chips

Here are 5 main chips on the system board. In the lower right hand corner resides the 65C02 CPU. This is a 1Mhz 8 bit CPU.

The C in the string stands for CMOS. The CMOS version of the chip ran cooler, and took less power, but otherwise is identical to the standard 6502 CPU used on the original Apple II and II+. The chip was manufactured by NCR.

Above the CPU is the MMU and the IOU. To the left is the Keyboard ROM and Firmware ROM. We'll discuss them in the next few slides.