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Two Monitors & 9800

F

Fisofo

Limp Gawd
Joined
May 4, 2003
Messages
139
I use two monitors for my set-up, both CRT's, both plugged into my 9800pro. I'm curious though, with a second monitor plugged in, how does the graphics card handle the extra display? Or, in other words, when I fire up a game on my primary display, while leaving the other monitor to just sit there (or with task manager running), Does the vid card allocate it's resources in half to each monitor? This is a 128Mb card, so 64Mb to each monitor? I don't notice any performance hits, but I'm curious about the issue, and ATI won't respond to my inquiries. Thanks!
 
Anybody got any ideas? And mods, could I post this q in the general [H]ardware section?
 
I run dual display with my 9500 pro and i don't see to much of a performance hit and games. i play unreal tournament 2004 at 1280X1024 with "holy shit" settings just fine.:)
 
i'm pretty sure it just multiplies the signal.......like a cable splitter..........i don't believe it would allocate memory for each monitor as it's doing the same work on the inside just displaying it twice...........i dunno..........my rants never make sense
 
to the best of my knowledge it is just splitting the signal like Smitty said....there isn't going to be "extra memory" allowcated to it or anything...I have run dual displays for about a year now and it is very nice but I never noticed any issues when playing on the primary...now what is going to happen if you play with a dual display setup is your Primary (number 1 in display properties) will be the one playing the game and the Secondary (guess which number in display properties) one will just show the desktop and anything you had set to that display...like a window or another application or what not...one thing I did notice when gaming on my Ti4200 was the secondary display would change resolution to what ever the game was played at and would change back when done...currently my wife is "borrowing" my NEC LCD so I haven't had a chance to test with my 9800Pro but I wouldn't be supprized if it did the same thing...if you were thinking of spanning the displays don't as there are only a couple of games that support that and IIRC they weren't main stream and I don't even remember the names of them and unless you had 2 identical displays I wouldn't even try if I could do it
 
WHen i go into games with my 2 monitors it always screws up the second monitor and scares me sometimes becuase it raises the refresh rate on my 2nd which is an LCD. Bascially having dual monitor really is annoying when going into games becuase the 2nd monitor always gets screwy.
 
Thanks guys... my findings have been pretty much the same, no real performance hit, so that's cool. I had considered at one time trying the whole "game on both monitors" thing, but it's more trouble than it's worth, and like gigglebyte said, not many games support it (Serious Sam does though, good stuff ;) )
I just realized though, when it was working (with serious sam), the overrall resolution across both monitors wasn't able to go above 2048x768, so that's interesting. Oh, and it looked bad :rolleyes:
 
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