> From: Jason Thorpe <thorpej@nas.nasa.gov>
>
> On Wed, 21 Jul 1999 10:50:33 -0700 (PDT) 
>  Ross Harvey <ross@ghs.com> wrote:
>
>  > > 	No matter... onward we go! I've gotten conflicting information regarding
>  > > the compatibility of the keyboard, mouse, and PMAG frame buffer in the
>  > > 3000/600. Can someone please give me a definitive answer as to...:
>  > >
>  > > 	1). Are the aforementioned devices supported or not for 1.4 and up?
>  > >
>  > > 	2). If they are not now supported, will they be in times to come?
>  > >
>  > > 	3). What is the obstacle to supporting those three for X11 and/or NetBSD?
>  > 
>  > I'll send a later email on the status of the console. There is no X server,
>  > although a NetBSD developer has reverse engineered some part of the interface.
>  > Without access to the accelerations, though, I doubt if we could do a good
>  > X server.
>
> Actually, with regards to a PMAG X server, "it depends" :-)
>
> 	(1) What sort of PMAG display card do you have?  There is:
>
> 		PMAG-AA		monochrome frame buffer (simple)
> 		PMAG-BA		color frame buffer (simple)
> 		PMAG-CA		PixelStamp Graphics Accellerator (hard)
> 		PMAG-DA		PixelStamp 3D Graphics Accellerator (harder)
>
> We have MI drivers for the PMAG-AA (mfb) and PMAG-BA (cfb).  These
> frame buffers are very simple... no accellerators.  Frame buffer and
> RAMDAC.  X servers are easy, and there is already X server code available
> for them for the DECstation port.
>
> PMAG-CA and PMAG-DA ... the DECstation port has a driver for them (px),
> which is REALLY FAST in text mode :-)  There is an X server available
> for them, I think, but it's not great.


Well, he told us earlier that he had a "PMAG-C". That sounded like
a PX series board to me, so, (1) undocumented and (2) unsupported.

I would love to be wrong...

	ross.harvey@computer.org