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Cache will make a huge difference. [rant on accelerators and memory buses] That 16bit 16mhz memory is really going to choke performance no matter what you socket into to it. The 33mhz 68030 main advantages is instructions that don't need to access the main memory happen at double the speed...

Well I guess if I get a full 68040 for my LC630 I guess I would have a spare 680LC40 which could go into such a device. But there is quite a bit of work on that 68040 board. A 68040 is still going to run slow sucking down from a 16Mhz, 16bit bus. However, its getting much harder to get 575...

Well with an accelerator they are easy to restore it back to original condition. Part of these old machines is the slowness. Sometimes its useful to demonstrate that, say when you are setting up two machines next to each other for display. An accelerator can easily be removed and slowness...

Probably. But I am not after easy. Or even cost effective. I guess I am after new ways and different ideas. Serial and floppy is less important these days. With an adjustable clock generator like the spicey clock, it might be fairly straight forward to clock it up, and 16Mhz is very, very...

I have a colour classic. I am spending some time restoring it, recapping it and the analog board, VGA mod, etc. I know at the end of it, I will have a very slow Mac. But I have been having deep thoughts about how to make it faster. The days of finding lazy 575 or 550's for cheap are long gone...

Actually I wonder.. looking closely at the LC/LCII and the LCIII.. I wonder if the key to converting a LC/LCII/Colour classic to a 32 bit memory path is a FGA 128 to 206 adapter. Obviously the 128 isn't going to have the same number of pins, and is likely not going to have enough pins to...

http://mess.redump.net/mess/driver_info/mac_technical_notes Seems to indicate IIVi and IIVx have simular roms to the LC but without the 10Mb limitation. I imagine the pinout of the V8-3430155-A is very similar the the IIVi VASP 343S0060.. 68Mb maximum. Its video capabilities are similar as...

But I have a question, does it have to be a 16 bit memory bus? The 16Mhz, 16bit bus memory seems like a much bigger limitation than the 10Mb limit. In theory could there not be created, by clever people a LC/LCII/CC motherboard with 32bit memory data paths for a single 72 pin simm holding a...