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Here is Diimo at 50mhz without cache vs the booster. These are (old) Speedometer 4.01 numbers. I believe this is after I modified the socket Diimo for 50mhz FPU operation (normally it is 25mhz), not that speedometer is an accurate FPU benchmark. I avoid speedometer these days as it's a mediocre...

Booster is faster than the Diimo (when cache is disabled) as the Diimo has to latch data to/from the card-local data bus. For this reason the Booster is always faster at accessing the system bus compared to cached accelerators. Of course, cached accelerators typically have a ~ 90% cache hit rate...

Original boosters and my V1 boosters have identical to stock audio in Tetris and prince of persia when run under System 7.1. Installing Sound Manager 3 or 7.5 will cause the audio glitches. V2 boosters have correct audio under both OSes. Audio works differently compared to the SEs; The issue...

Here are some comparison numbers using Norton System Info. The Interware design does not implement /STERM in the SE/30 form, so the Xceed cards (and any other) which require synchronous bus cycles will not work at all. There are some additional notes in this thread. I have moved the logic into a...