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Thread Tools | Display Modes |
#1
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1680x1050 VGA but not DVI?
I can get 1680x1050 VGA, but only 1280x1024 DVI. Any ideas?
I have an nVidia Quadro 4 NVS with 64 MB driver 6.5.7.3 bios 4.17.00.44.22. That's the latest driver I found. Also, Samsung's MagicTune Premium says that my computer isn't compatible... Thanks (Yes, I'm going to try and call Samsung - I was getting fast busies last time I tried.) |
#2
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1680x1050 VGA but not DVI?
wrote:
I can get 1680x1050 VGA, but only 1280x1024 DVI. Any ideas? I have an nVidia Quadro 4 NVS with 64 MB driver 6.5.7.3 bios 4.17.00.44.22. That's the latest driver I found. Also, Samsung's MagicTune Premium says that my computer isn't compatible... Thanks (Yes, I'm going to try and call Samsung - I was getting fast busies last time I tried.) There are a couple possibilities for why that happens. The resolution limits offered, can depend on the EDID or the monitor driver. AFAIK, the following tool dumps the EDID as it comes across the serial link from the monitor. (There is serial clock and data on the monitor cable.) Moninfo.exe (download link in upper left corner of web page) http://www.entechtaiwan.com/util/moninfo.shtm A second reason, has to do with the hardware capabilities of the DVI link on some cards. If the DVI link comes straight from the GPU (most of the time), the upper resolution limit depends on the signal quality from the GPU. There are also separate Silicon Image driver chips, that work all the way to 165MHz like they are supposed to. Now, in fact, the signal from the GPU may indeed be able to work at 165MHz, but the driver may have a coded limit (i.e. Nvidia limits the resolution to conservative values). Sometimes this bit of cleverness is a function of driver release, so trying another driver might change it. While this link is probably not relevant to your problem, it will give you some idea of the issues involved. http://www.geocities.com/jgeneedid/ What is the exact model number of your video card again ? There might be a number after the "NVS" part. Paul |
#3
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1680x1050 VGA but not DVI?
Thanks, I'll take a look.
The NVidia software says just about everything but the model number. Is there a way of telling? I haven't tried opening the PC to look there, at this point- I don't know if it's on the board itself. I'm now using Forceware 84.26, with the same issues. It also doesn't allow Samsung MagicTune to work. Paul wrote: wrote: I can get 1680x1050 VGA, but only 1280x1024 DVI. Any ideas? |
#4
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1680x1050 VGA but not DVI?
wrote:
Thanks, I'll take a look. The NVidia software says just about everything but the model number. Is there a way of telling? I haven't tried opening the PC to look there, at this point- I don't know if it's on the board itself. I'm now using Forceware 84.26, with the same issues. It also doesn't allow Samsung MagicTune to work. Paul wrote: wrote: I can get 1680x1050 VGA, but only 1280x1024 DVI. Any ideas? Is there an entry in Device Manager ? If not there, you can try Everest. You can look in Devices:PCI Devices and find the display adapter there. If the text string is not informative, use the "Device ID" such as 10DE-xxxx, listed in Everest for the adapter. http://www.majorgeeks.com/download.php?det=4181 (Everest Download) This file has PCI device identities. The first four hex digits are the Vendor. 10DE is Nvidia, and there is an extensive list of Devices. You can search this text file, for instances of "NVS", to speed up the locating of the Device code "xxxx" part that you find with Everest. This is not an official registry and volunteers maintain this list. http://pciids.sourceforge.net/v2.2/pci.ids The card itself could be lacking in a physical label, if the card is an OEM. Some cards may have an FCC_ID, but the last time I tried to use the FCC search engine, it wasn't working worth a damn. MagicTune uses DDC apparently, to communicate with the monitor. That would be the same interface that communicates the EDID. So if Moninfo can see the monitor, so should MagicTune. (I notice there are many versions of MagicTune, so perhaps a later version would help.) http://www.samsung.com/Products/Moni...ictune_01s.htm I don't know the driver details of EDID, as to whether there is a separate component to the driver, that makes the EDID interface available. Pin 6 and 7 on the DVI connector, are for the DDC serial interface. http://en.wikipedia.org/wiki/Dvi On a VGA connector, it is pin 12 and 15 used for DDC. http://en.wikipedia.org/wiki/VGA_connector Both connectors have DDC, and that is how the OS can query the monitor and see what the max resolution is, listed in the EDID info. Paul |
#5
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1680x1050 VGA but not DVI?
Well, it's either a 200 NVS or 400 NVS.
case 0x017a10de: /* Nvidia Quadro4 200 NVS/400 NVS */ (The file you pointed me to, only said Quadro 4 - I googled and found some code with the above comment ... I think 200 sounds familiar from when I bought it with my IBM ThinkCentre... maybe they have record.) I hear that the Forceware driver doesn't support MagicTune -- but I was using the latest, non-Forceware drivers from IBM's website. and the latest Windows update version before - and MagicTune didn't work. I'll take a look at your earlier links to see what it reports in Digital mode, when I get a chance to fiddle. Thanks |
#7
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1680x1050 VGA but not DVI?
84.26 is listed for the Quadro as well (which is what I'm using).
Are you saying I should use an older version, for a reason? Someone on the nVidia forum mentioned that these Forceware drivers don't work with MagicTune... you think an older version would... or would give me the higher resolution? I would doubt that... Thanks ftp://download.nvidia.com/Windows/61.76 Paul |
#8
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1680x1050 VGA but not DVI?
wrote:
84.26 is listed for the Quadro as well (which is what I'm using). Are you saying I should use an older version, for a reason? Someone on the nVidia forum mentioned that these Forceware drivers don't work with MagicTune... you think an older version would... or would give me the higher resolution? I would doubt that... Thanks ftp://download.nvidia.com/Windows/61.76 Paul I personally refer to the practice, as "driver roulette" :-) Sometimes you get lucky, and a bad behavior you were seeing, stops. For example, when I got an ATI video card a few years ago, I made the mistake of using the driver off the CD in the box. Crashed the machine, and required some work to get around and fix. It took three different drivers off their website, before I was happy enough with it, to leave the drivers alone. On the other side of the coin, you could also look into the Magictune user support on the Samsung web site, and see if they acknowledge that their software doesn't work under all circumstances. I really feel sorry for anyone that has no physical OSD buttons on the side of the monitor - relying on a software package to do this, is really taking chances. If they wanted people to have a better user experience, they should have used a USB interface for their idea. (I.e. Run a USB cable from the monitor to the computer, as USB would not stop their software from working.) Paul |
#9
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1680x1050 VGA but not DVI?
This monitor (216BW) does have an OSD, but the color adjustments get
skipped over. I can adjust the color via the NVIDIA driver. Are those video card settings, or does that actually adjust the monitor? Again, there are two issues, the MagicTune and max DVI resolution... I'll see what else I can find. I replied to the Forceware not compatible with SmartTune in the nVidia forum.. no reply yet. Samsung does have the Quadro 4 NVS 200 listed on their MagicTune site -- and I had a non-Forceware driver at first. Samsung Tech Support said I should check if there is a videocard update (not firmware update)... I'm guessing firmware. nVidia's website doesn't have any..(I gather that's more manufacturer specific) I guess I'll have to pop open the box and scan for the manufacturer - but I guess that if they are hiding so well, they're not going to have much in terms of support! Thanks |
#10
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1680x1050 VGA but not DVI?
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