The enhanced Power Macintosh 8600 and 9600 computers use a new microprocessor, code named Mach 5, that is based on the [[PowerPC 604e]] architecture. Among the features of the Mach 5 microprocessor are:
* on-chip data and instruction caches of 32 KB each
* processor clock speed up to 7 times the bus clock speed
The enhanced Power Macintosh 9600 includes a video display card that supports acceleration of 2D graphics and text. The display card has 8 MB of buffer memory and cannot be expanded.