Re: Vid card memory
Dima wrote:
>
> >>Ralph Winslow wrote:
> >I've recently added a 1Mb memory module to my Trident TGUi 9440 vid
> >card, giving a totla of 2Mb. I'd done this with the expectation that I
> >could then use 600x800x2 (16-bit color = 2 bytes) = 960000 which is <
> >1Mb. But when I try this (forcing 600x800 in XF86Config) X tries to
> >start and dies over and over (I must reboot from floppy). Now my
> >thinking is that 1Mb means 1MegaBit, so 600x800x16 = 7.68 Mbits thus no
> >joy. Have I finally got it right? TIA for any light you all might add
> >to the heat of my fevered brain.
>
> Horiz.Resolution * Vert.Res. gives you number of pixels on your screen.
> That times BYTES per pixel is VRAM requirements in BYTES. That divided
> by 1024 and rounded up is VRAM in Kbytes. 7.68 Mbits / 8 / 1024 = 938 Kbytes.
> 960000/1024 = guess what. :-)
> (What I really don't understand is why VideoModes.[doc,html] was not
> included in xbase v.3.2 package.)
>
> Are you sure 9440 works in 16 bpp?
I displays jpegs with better color and finer resolution. Is there a
better check
than my eyeball available?
> Did you try 24/32 bpp?
Yes, I got them by default, but <CTRL><ALT>+ and <CTRL><ALT>- (+ and -
on numeric
keypad) don't seem to be working.
> Is VRAM recognized (look at X startup messages)?
Yes, I've seen a message that implies that 2048Kb is available on the
vid card.
> Did you read the README (in particular, do you need
> to specify linear addressing)?
Which README are you referring to? Any way, thanks for the reply - I'll
try to research what linear addressing is and how to specify it and let
you know how trying that works out.
>
> --
> Dimitri
>
> --
> TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to
> debian-user-request@lists.debian.org .
> Trouble? e-mail to templin@bucknell.edu .
--
-----------------------------------------
Ralph Winslow rjw@nac.net
Someday soon I really MUST find a way to
piss away a LOT of bandwidth on this .sig
--
TO UNSUBSCRIBE FROM THIS MAILING LIST: e-mail the word "unsubscribe" to
debian-user-request@lists.debian.org .
Trouble? e-mail to templin@bucknell.edu .
Reply to: