Displaying X on two monitors simultaneously on a ThinkPad R50.

[Sarangan Thuraisingham]

I have a ATI Radeon Mobility 7500 on my Dell Inspiron laptop. Like Bryan 
I was surprised when I plugged in my external monitor. But what I realy 
want is to use both monitors, i.e., have different workspaces on each 
screen. Does anyone have any ideas or any HOW-TOs on this

-- Saru

'Forum Post wrote:
>>sounds like a good wiki candidate
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> I agree. Actually, being a new ubuntu user with BB, I have a related
> issue. I have a T20 with the 1400x1050 screen. Tonight I hooked up my
> 21" monitor just to see what would happen with OO powerpoint slides for
> presentations, and was expecting to see nothing.
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> To my amazement, there was my lcd screen mirrored to the extenal
> screen. Not bad (although the 50Hz refresh is not good for 21" CRTs).
> The only questions I have are:
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> Is it always in this dual mode by default?
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> If so, can it be toggled some how so that the dual draw is only done
> when required? It seems as if this would be somewhat of a performance
> drain, since it's drawing everything twice all the time, correct?
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> Bryan
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