Re: pc upgrading and midas

[Carlos Guirao <cguirao@eso.org>]

Woo Boon Kuan wrote:
> 
> Hi
>     I am currently using midas98novpl1.4 on Red Hat Linux 6.0
> platform.My motherboard is GA-6ZXc Intel 440ZX AGPset. I am using a 4 MB
> display memory (ATI 3D pro turbo) and has only 64 MB of SRAM.
>     I am thinking of upgrading my home pc to 256 MB of SRAM and 32 MB
> for my display memory. Would there be a lots of  hassle involve? Anyone
> have good suggestions on which brand of display card I should be
> getting? Would the Red Hat Linux 6.0 and my midas version be affected by
> this display memory increment?Advice, anyone?Thank you.
> 
> rgds
> woOBK


No, I do not think your midas version will be affected by upgrading
the pc or display memory, all the contrary it may works even 
faster. The only thing you should take into account is to maintain
the same bitdepth configuration for your Xserver (8 or 32bit).

Regards
Carlos


Here I do post again previous emails regardings this problem:

09/23/00 Andreas Kaufer wrote:
> 
> Hi midas,
> 
> having installed Midas 99NOV on a  Linux PC (Suse6.4) I encountered the
> problem described in
> 
> http://www.eso.org/projects/esomidas/midas-faq.html#question4.2
> 
> My graphics card in the PC (ATI EXPERT2000) uses the standard SVGA
> X-server. I had started the server in 24bit mode to take advantage of
> the TrueColor display. It happended exactly what is described in the
> FAQ: the card stores with real 24bit per pixel which lets the IDI server
> fail.
> 
> By searching a bit through the literature I found that many graphics
> cards when started in 32bit mode (even if they are physically only
> 24bit) will work. This means they will store the 24bit pixels in 32bit
> per pixel, exactly what MIDAS needs. And: it worked (at least for my
> card but I guess it will work for many others, too)!
> 
> Maybe you could add this hint to the FAQ page.
> 
> Cheers
> Andreas

12/10/00 Klaus Banse wrote:
> 
> Dear user Guillaume Blanc,
> 
>   your problem looks like the one we have with 24 bit X-servers.
> 
> As described in the FAQ, Midas does not support 16 or 24 bit displays.
> 
> Please, use
> $ xdpyinfo
> or
> $ /midas/99NOVpl2.2/system/idiserv/src/Xtest.exe T
> to get the setup of your X11 environment.
> 
> You may have to reinitialize your X-server to 8 or 32 bit displays.
> 
> Good luck,
> Klaus Banse