From: rob@rjck.UUCP (Robert J.C. Kyanko)
Subject: Re: VGA 640x400 graphics mode
Distribution: world
Organization: Neptune Software Inc
Lines: 26

dutc0006@student.tc.umn.edu writes in article <C5G7qB.BMp@news2.cis.umn.edu>:
> >
> >Some VESA bios's support this mode (0x100).  And *any* VGA should be able to
> >support this (640x480 by 256 colors) since it only requires 256,000 bytes.
> >My 8514/a VESA TSR supports this; it's the only VESA mode by card can support
> >due to 8514/a restrictions. (A WD/Paradise)
> >
> >--
> >I am not responsible for anything I do or say -- I'm just an opinion.
> >             Robert J.C. Kyanko (rob@rjck.UUCP)
> 
> 	Ahh no.  Possibly you punched in the wrong numbers on your
> calculator.  256 color modes take a byte per pixel so 640 time 480 is
> 307,200 which is 300k to be exact.  640x400x256 only takes 250k but I
> don't think it is a BIOS mode.  I wouldn't bet that all VGA cards can do
> that either.  If a VGA card has 512k I bet it can do both 640x400 and
> 640x480.  That by definition is SVGA, though not very high SVGA.
> 

Yes, I did punch in the wrong numbers (working too many late nites).  I
intended on stating 640x400 is 256,000 bytes.  It's not in the bios, just my
VESA TSR.

--
I am not responsible for anything I do or say -- I'm just an opinion.
             Robert J.C. Kyanko (rob@rjck.UUCP)
