Rage128 as secondary adapter

[Jon Smirl <jonsmirl@yahoo.com>]

I'm working on aty128fb to make it support a Rage128
as a secondary adapter. It needs a few new minor
changes to do this.

My main problem is that secondary adapters are not
initialized at boot.  I have a program (vbios.vm86)
that will initialize the R128, but instead I would
like to do it when the driver loads. vbios.vm86 goes
through a complicated process in real mode of
emulating the system boot ROM (same thing X does).

Can someone with access to the Rage128 documentation
tell me how to do this from protected mode? I have the
ROM mapped so the code can get to constants stored in
the ROM. What I need is a piece of C code equal to
what the ROM initialization does minus the part about
Int10 vector setup.

The programmers at ATI probably have a piece of code
available to do this since ATI's Windows driver can do
it.  I've tried emailing and signing up as a developer
without response.

=====
Jon Smirl
jonsmirl@yahoo.com

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