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There are some things you should observe to hapilly run Fusion on a Mediator/Voodoo system.

In my system i use P96direct and P96Refresh drivers.

I'm not near my Amiga right now, so i'll try to remember everything, but i'll tell you the things that should be modified, and not the exact step by step procedures.

First of all, Fusion uses MMU to the refreshed video drivers.

In Fusion's memory configuration menu, you should click on the button Memory Options (or whatever). In the window that appears, choose the two left gadgets to be NORMAL. I think one is kickstart remap, and the other something related to the MMU management.

The mediator PCI.library must work in the no MMU mode.

Find the MMU env variable (in sys:prefs/evn-archive/Mediator), and edit this file with a text editor. Check if it's NO instead of YES.

Note that the overall Amiga graphics performance may be a bit slower this way, but Fusion will not work well with MMU enabled for the PCI.library (at least for me).

Also, i had problems when VBlank was enabled. Disable it in case of problems.

Among the picasso96 variables, there's one called DISABLEMMU (if i remember well). You should set it to Yes.

If you have Medication (the Mediator first configuration GUI) you can change all the things that i suggested for Mediator and Picasso from there.

Also, i can't remember right now, but there's a program called FIXPATCHMAC, that cures problems with either, refreshed or not refreshed (direct) video drivers in Fusion. If at the Mac boot time you have only a white screen, try to run this program from the user-startup. Here in my system, it cures the problem for one of those kind of video drivers, and cause the same problem to the other type. So if you intend to use them both, you'll have to chage your user-startup accordingly.

Remember to reboot your Amiga after these changes.

Give me some feedback if you can run Fusion reliably after these changes.

PS.: Don't use a dedicated partition for the Mac drives ! At least if it's in the same Amiga HD. Instead, use a partition that's formatted with either PFS or SFS, and create there a hardfile. It's as fast as a dedicated partition, and you don't take the risk to have your Amiga partitions destroyed if the emulation crashes.

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