🚀 go-pugleaf

In <313285E1.7137@plntree.synapse.net> visitor <kritsilas@plntree.synapse.net> writes:

>1. Does anybody have the Sun P/Ns for the 3/60's CG6 and/or CG8?

See my summary below.

>2. How do I tell which P4 video card I have?  

The kernel will tell you as part of it's initialisation process once it's
given control from the boot program. 

>4. Are there any OS support issues for either of these two?

This is covered below...

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A guide to Sun P4 colour frame buffers - updated 29-Feb-1996
--------------------------------------

Written by Craig Dewick (craig@zeta.org.au)


Here is a brief summary of Sun P4-bus colour frame buffers that I know
about (or have used or possessed at one time or another)... 

501-1210 : 3/60 only cg4 non-accelerated 8-bit colour frame buffer. Uses 4 x 
           BNC for output. I tried using one of these with a 3/80 board 
           once that wasn't in it's case, but it failed. The P4-bus
           between Sun-3 (68020-based) and Sun-3x (68030-based) machines 
           is apparently slightly different, and the -1210 seems to show 
           this up.

501-1248 : a cg4 variant. I don't know anything about this one except that
           it supposedly exists.

501-1371 : cg8 non-accelerated 24-bit colour frame buffer. Uses 4 x BNC for 
           output. This frame buffer is *very* slow, and is not supported 
           by mainy early boot rom versions. Sun's distributed version(s) 
           of Openwindows know about it, but the X11R6 24-bit Xserver 
           code is broken. There are reportedly patches for X11R5 which 
           make the R5 cg8 support work.

501-1443 : generic cg4 non-accelerated 8-bit colour frame buffer. Fit's 
           3/80's directly (most come with a 3/80-fitting panel attached) 
           but can be used in other machines with a P4-bus (right up to a 
           4/4xx I believe!). Uses a D13W3 for output.

501-1518 : another variant of the cg8, but uses a D13W3 for output instead
           of 4 x BNC connectors. I don't know what the hardware differences
           are between this and the -1371 cg8, if any.

501-1532 : cg6 vector-accelerated 8-bit colour frame buffer. This is the 
           fastest P4-bus colour frame buffer that exists. It works in all
           machines with a P4-bus, althought like the cg8, it generally
           requires a late-revision boot rom to be used at power-on time. 
           I've use my -1532 on a 3/60 and a 3/480 without any problems, and
           the performance of X11R6 is greatly improved with one of these
           frame buffers fitted. Uses a D13W3 for output.

That's all the info I can provide about P4-bus colour frame buffers. 
There are also a number of monochrome P4-bus frame buffers but I don't
have anything on them (yet!). 

---- end ----

Regards,

Craig.

-- 
        Craig Dewick - craig@zeta.org.au - http://www.zeta.org.au/~craig  

          Sun Ripened Kernels - http://www.zeta.org.au/~craig/srk.html
         Surplus and pre-loved Sun Microsystems workstations and parts.