@nubechecorre
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1) is possible to use the old elbox driver to use the pci board like soundblaster and ethernet pci card ? If yes we have to use also the old graphic driver for voodoo ( mediator ) with the old soundblaster and ethernet driver or we can use the new graphic driver for the os4 with the old ?
Yes, this should be possible. It used to work, I haven't tried it in a while, and there is one potential pitfall. You would need to use either all AmigaOS 4.0-drivers or all-Elbox drivers.
The reaons for this are two-fold: One, you will need the Elbox graphics card driver since otherwise you do not get the additional memory buffer that is used as a bounce buffer for the DMA devices.
Two, the Elbox pci.library wants to retain the exclusive access to the Mediator hardware and more specifically, to the Mediator Offset Register. That means that the V52 expansion.library and pci.library might interfere with each other if both are trying to service "their" drivers. The result would invariably be trash.
The latter might also be an issue when you are using only Elbox drivers, but the code in expansion.library usually is dormant unless there is really something accessing PCI via the expansion.library.
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2) As you said before, is possible to adapt the old driver to work on os4 or is a "big and trouble" work ?
Not so much. In theory, you could even use a new feature of AmigaOS 4.0's rtg.library (pinned bitmaps) to create the bounce buffer without the need for a modified driver, but that would require that you know you are allocating a bitmap on the Voodoo 3, and that this Voodoo 3 is stuck into a Mediator. This is a bit shaky, but once you are use it would probably be relatively easy to adapt the drivers.
However, as I pointed out before, this requires a PCI Graphics card in the Mediator, it will not work with a Zorro card, or a BVisionPPC/CVisionPPC, or an AGA-only system.
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