On Thu, 13 Jan 2000, William J. Earl wrote:
> Basically, XZ hardware documentation is not available outside SGI.
> We have agreement inside SGI to provide some information, if a volunteer
> inside SGI appears to track it down, but no volunteer so far.
:), I kindav figured as much, but it never hurts to ask. I'd
volunteer to come work at SGI to do it to, but my resume I sent there
seems to be .. umm.. ignored.
> The problem
> is that the hardware interface is quite complex, and some of what one
> thinks of as hardware is really firmware, a basic version of which is
> downloaded by the PROM at startup time. An X server could rely on the
> PROM-loaded firmware, but it still takes quite a bit of code to set up
> the hardware.
Would there be enough in this firmware to do a basic text console? even
that would be better than soldering together a serial cable to run over
> Note that XZ, like Newport graphics on Indy, does not
> have a CPU-addressable frame buffer, so you have to use the rendering
Would this be at all analgous to the code I saw poking around the Xfree
tree once that implemented a server for the Voodoo(2) 3D-only cards?
For that matter, how closely related are the XZ and XL?
thanks for the info.
on an unrelated note: I'm slightly confused... is the R4400-Indigo2 32 or
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