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  • #1

    The 'banding' issue....

    Ok, I don't know if this is the same thing as what everyone else was referring to as the 'banding' issue, but I recently tried to load up Tomb Raider 5, and it'd crash if I went full screen, so I loaded it into a window and OUCH, my eyes hurt..... but then it occured to me that the refresh rate had changed for some reason, it was actually running at 60hz, rather than 85hz. So I went into the usual place and switched it back to 85hz and it looked great in windowed mode ('til it crashed again). So perhaps this is part of the problem?

    Leech
    Wah! Wah!

    In a perfect world... spammers would get caught, go to jail, and share a cell with many men who have enlarged their penises, taken Viagra and are looking for a new relationship.
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  • #2
    Nah, the banding problem is a "defect" in the integrated RAMDAC. From what I've read it's got something to do with GPU operations causing interference.

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    • #3
      guess I don't have that problem on my Parhelia then.

      Leech
      Wah! Wah!

      In a perfect world... spammers would get caught, go to jail, and share a cell with many men who have enlarged their penises, taken Viagra and are looking for a new relationship.

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      • #4
        You just haven't seen it yet
        If I turn V-sync off, it would appear on my 2nd display when using PowerDVD diagtnostic.
        P4 Northwood 1.8GHz@2.7GHz 1.65V Albatron PX845PEV Pro
        Running two Dell 2005FPW 20" Widescreen LCD
        And of course, Matrox Parhelia | My Matrox histroy: Mill-I, Mill-II, Mystique, G400, Parhelia

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        • #5
          Re: The 'banding' issue....

          Originally posted by leech
          Ok, I don't know if this is the same thing as what everyone else was referring to as the 'banding' issue, but I recently tried to load up Tomb Raider 5, and it'd crash if I went full screen, so I loaded it into a window and OUCH, my eyes hurt..... but then it occured to me that the refresh rate had changed for some reason, it was actually running at 60hz, rather than 85hz. So I went into the usual place and switched it back to 85hz and it looked great in windowed mode ('til it crashed again). So perhaps this is part of the problem?
          Did you actually read any of the banding threads Wow, a Parhelia user who doesn't know what it is, hehe

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          • #6
            That's right, I thought I had seen what everyone was talking about when I ran the PowerDVD diagnostic, and it makes the screen waver a bit, but guess that wasn't it. I've gotten major screen corruption under linux many a time. Actually come to think of it, I've had it where the whole screen becomes corrupted, but I've had that with other cards, when the drivers didn't initialize properly or something. Though I haven't seen it since I upgraded my Motherboard.

            Leech
            Wah! Wah!

            In a perfect world... spammers would get caught, go to jail, and share a cell with many men who have enlarged their penises, taken Viagra and are looking for a new relationship.

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            • #7
              and it makes the screen waver a bit
              that is the banding problem!
              This sig is a shameless atempt to make my post look bigger.

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              • #8
                Originally posted by leech
                guess I don't have that problem on my Parhelia then.

                Leech
                I have to agree. I looked with Leech for the banding issue on his card, and I could not see it. If it is the "Wavy" on Power DVD, it was so minor, I would not have noticed, had someone not pointed it out to me. Odd...
                "I dream of a better world where chickens can cross the road without having their motives questioned."

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                • #9
                  There are other issues as well. I'm not sure if they're included in the "banding", but I get what looks like some sort of "interference" when ever there's a bright screen, like for example a flashbang in Counter Strike.

                  EDIT1: There was a small program posted here a couple of months ago that simulated the "interference". Can't remember the topic it was posted under, though.

                  EDIT2: Found it! http://forums.murc.ws/showthread.php...hlight=banding
                  Last edited by albatorsk; 25 March 2003, 16:34.

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                  • #10
                    It's worse on some cards than others.
                    The only time I've seen it is if I run an intense 3D game in a window, and even then it's not as bad as others say theirs is...
                    Core2 Duo E7500 2.93, Asus P5Q Pro Turbo, 4gig 1066 DDR2, 1gig Asus ENGTS250, SB X-Fi Gamer ,WD Caviar Black 1tb, Plextor PX-880SA, Dual Samsung 2494s

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                    • #11
                      Like I said, I ran Tomb Raider 5 in a window, and it had forced my desktop to 60hz, which caused that major wavering in the screen.... yet this isn't the 'banding'? I still tend to think that it could be caused by some other outside influences. Monitor, processor frequency, motherboard noice, etc. Sure it may not be noticible using other video cards, but it could just be a combination of things. It just happens to run quite nicely in some configurations and not others. Then again I'm not a hardware engineer, these are all just guesses on my part. One thing that is odd though, the DVI to VGA connector that came with my card is different than the one that came with Scumhawk's. Even though we both had pre-ordered the card, and got it the same day.

                      Leech
                      Wah! Wah!

                      In a perfect world... spammers would get caught, go to jail, and share a cell with many men who have enlarged their penises, taken Viagra and are looking for a new relationship.

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                      • #12
                        and it makes the screen waver a bit
                        ? I have had that on my 8500, would occur on some old drivers during the menu on some 3d games, but always went away during the game. It has not occurred again for me since the catalyst drivers.

                        But I have seen a thread at raged 3d about someone with something similar on a 9700.

                        Do mean a kind of "jitter" on the horizontal sync(like mine)?, or more like a band of interferance going down the screen?

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                        • #13
                          BANDING! It's not just for Parhelias anymore

                          Leech
                          Wah! Wah!

                          In a perfect world... spammers would get caught, go to jail, and share a cell with many men who have enlarged their penises, taken Viagra and are looking for a new relationship.

                          Comment

                          • #14
                            Got me a Sapphire Radeon9500pro yesterday cuz I couldn't wait any longer..
                            Had the Parhelia been priced near this card I would have gotten it, no doubt.

                            Gonna return it tomorrow as it has a banding issue as well - go visit rage3d.com forums and search for shimmering ..
                            Looks like an interference problem.

                            Honestly though the 9500pro has a better image than my G400 does - perhaps I do have a noisy PSU or something..

                            Guess it's back to the good old trusty G400.
                            Slap in the G400 and everything works the way it should, with this 9500 the brightness is all wrong in games.

                            /Flyke
                            Last edited by Flyke; 6 April 2003, 06:01.

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                            • #15
                              It's an interference problem, at least on ATI cards. Change the frequency one by one hertz (using powerstrip), and it should go away.

                              AZ
                              There's an Opera in my macbook.

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