?kernel video argument setting for StarMax 4000/160 MHz?

?kernel video argument setting for StarMax 4000/160 MHz?

Post by Nien-Po Ch » Thu, 04 May 2000 04:00:00

Hi netters,

I just installed LinuxPPC 2000 (kernel 2.2.15 pre3) on my StarMax 4000/160
MHz DT (64 MB RAM).  It co-exists with MacOS 8.6 at different partitions.
It runs pretty good in the "no video driver" mode (slow but generic video
driver, I guess) in BootX (1.2b3).  I would like to know if any of you has
tried "accelearated video" by passing correct kernel argument in BootX.  So
far, I've tried:

vmode=16        <== the kernel output (text dump during boot time) is
blurred, but the penguin at the top-left corner is clear.  After GNOME or
KDE take charge, the cursor will leave trace on the screen, but dragging
the window live (re-draw) is very FAST!!

video=atyfb:vmode:16,cmode:16   <== the kernel text output is clear, but
the cursor still leaves traces.

In my MacOS setting, I have 1024x768 75 Hz, 16 bit color.  The VRAM is the
manufacture configuration (2 MB, I guess)

Any input will be gratefully appreciated.


May 3 2000


?kernel video argument setting for StarMax 4000/160 MHz?

Post by John Fishe » Thu, 04 May 2000 04:00:00

What X server are you using?  Try Xpmac.rev10 if you aren't already
using it.



1. Can a 2MB VRAM card give a dot clock of 160 MHZ.

: Hi,

: Looking at the "The Linux Configuration Page", I noticed that 2MB VRAM card
: owners do not use a dot clock higher than 135 MHz.

: Is there a good 2 MB VRAM card which can give a dot clock of 160 MHz?

: I am planning to buy such a card for my 160 MHz bandwidth monitor.
: Any information will be greatly appreciated.

: Thanks.

: Akmal.

The amount of ram has nothing to do with the dot clock timing.  This is a
function of the RAMDAC.  The bandwith is limited by how fast it can run.
It's probably that lower end cards (less than 2mb) are built with slower
RAMDAC's than the higher end ones.

 -- Joe Novosel

* CS major:   College of Computing,                       *
* Georgia Institute of Technology, Atlanta Georgia, 30332 *

*           http://www.prism.gatech.edu/~gt2497b          *

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