> Toru Nishimura wrote:
> 
>>         DECstation 5000 series TURBOchannel video:
>>                 PMAG-BA 1280x1024 8-bit color framebuffer,
> 
> Is this resolution correct?

Incorrect.  fb_data.c says 1024x864.  Thank you for pointing out.
I have to fix dev/tc/cfb.c. 

>>                 PMAG-AA 1280x1024 monochrome framebuffer,
>>                 PMAGB-BA 1280x1024 8-bit color framebuffer,
>
> My recollection is that we had to upgrade from a PMAG-BA to a PMAGB-BA
> in order to upgrade from a 1024x864 VR290 to a 1280x1024 VRT19-HA.
> However, this was a long time ago, and memories fade... 

A certain model of PMAGB-B smart framebuffer has 1024x864 mode to
maintain resolution compatibility between early model of DECstation
family. 

Tohur Nishimura
Nara Institute of Science and Technology