Gaston Velez wrote:
> Hi:
>              To me your post is quite interesting and I want to make
> some questions, because I have developed a similar configuration but it
> did not work good in my environment.
> 1) My environment, HP t5515 with 128 MB ram, TransMeta Crusoe 800 MHz
> with NVIDIA Quadro PCI NVS 280. Dual Head 1280x1024. These were used as
> X-terminal serving as display for a lot of windows panels coming from
> HP-UX machines.
>    The behavior it was two slow even slower than an old HP Envize X-
> terminal. 
> 2) Some questions:
>   * According your experience what are possible causes for this
> slowness ??

I guess the problem is that you are using the nv-driver built into x.org
and use xinerama for dualscreen display. That is terribly slow. I think
it's mostly due to the fact the xinerama have to use the local processor
to compute what to show on the two screens, and the local processor on
thin clients are often not the fastest.

I tried setting up something similar with Xinerama, except I had two
screens on the NVidia card (with accellerated driver) and one screen on
the built in CLE266 graphics adapter. This too was terribly slow,
especially when I tried to use rdesktop to connect to MS Windows
terminal servers.


>    * What are the hardware specs for your LTSP Clients ??
>    

My challenge was to make a silent operationsroom at work. The room was
small and we needed 8 powerful computers in there. I made clients out of
these parts:
VIA EPIA ITX motherboards with 600MHz C3 processors (fan-less)
Leadtec WinFast A340 PCI (fan-less)
CaseTronic C138 Mini ITX 90W cases (small fan in case that needs to be
replaced to make a completely silent client)
512 MB PC3200 RAM

The server is a double processor HP DL380 G4 server. The setup works
perfect. The only thing I need now is to make the clients work with
usb-memory-sticks, which seem to work automatically in 4.1.1, so I can't
wait to try it out.

All the best,
PÃl Arne Hoff




> 
> Thanks for your time
> 
> Gaston Velez
> 
> On Mon, 2005-04-18 at 21:52 +0200, PÃl Arne Hoff wrote:
> 
>>>The other day I was trying to set up a thin client with a Radeon card. 
>>>Before I detected how to use the inbuilt XOrg driver for it, I tried to 
>>>install the drivers ATI provides for download. Needless to say that I 
>>>failed.
>>>
>>>But anyway, is there a way of including such drivers into an LTSP 
>>>environment? Usually the install routines will expect the directory to 
>>>install somewhere in .../X11/... and not under another directory tree 
>>>like that for LTSP. Does anyone here have had success in installing such 
>>>a beast under LTSP for a special terminal?
>>>
>>
>>I have installed clients with NVidia GeForce 5900 based fan-less cards 
>>that works perfectly with hardware accelleration in dual-screen 
>>1600x1200(x2) setup. Work like a sharm, but I worked hard and long to 
>>get the drivers compiled against the LBE (LTSP Build Environment). I 
>>followed the instructions on the wiki, and after some symlinking and 
>>copying of files that didn't go where they where supposed to I finally 
>>made it work. I'll try to get time to write a howto and publish it and 
>>the driver-binaries, if theres nothing in the lisence that prohibits me 
>>from doing that. I'll also try to compile the recently release VIA 
>>drivers for the EPIA-mainboards, as I use those in my clients.
>>
>>Cheers,
>>PÃl Arne Hoff
>>
>>
>>
>>



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