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In Reply to: RE: Furhter thoughts - USB advantage - easy to disconnect posted by rickmcinnis@dogwoodfabrics.com on August 30, 2010 at 08:35:06
Of course, this would be bothersome but it might be worth it.A couple of suggestions.
1. A headless setup would probably have at least the same result and possibly a better one. :>) It also has the merit of not costing anything to try and, if successful, of leaving you a KVM to the good.
2. I doubt if a USB monitor will help very much. IME, you can't disable the main display in BIOS though you can select its interface (e.g. embedded or PCIe). XP typically assigns it an interrupt whether or not it's actually driving anything. Meanwhile, XP will either assign an interrupt to your USB monitor or poll it so you end up with two devices, not one. (I'm not sure how interrupts versus polling pans out in XP.)
This got me to wonder if my large monitor (21 inches) and its rather high native resolution requires more work than the tiny monitor in the ZALMAN case .
Why not set the graphics chip to a low resolution (letting your monitor do the conversion for the purposes of the test) and see if the CPU load changes while you run e.g. one of those dreadful XP tutorials?
I'm no display expert (to put it mildly) but if graphics cards use vector graphic techniques to generate the raster image for a basic display of type (as e.g. laser printers do) then the difference in our scenario will probably be negligible. I'm ashamed to say that I don't know and can't find the answer but there must be some here who do.
BTW, if you Google "USB polling rate", you'll find discussions between nerdy gamers about altering the polling rate for a USB mouse. See link. (Seems they even do it on the Mac - now there's a thought . . . )
Edits: 08/30/10Follow Ups:
have you tried it?
I can't wait to give it a try.
NEAT!
I wonder if one sets the "value" higher than one would it be worthwhile within the cics canon?
You know far more about all of this than I by seven orders of magnitude.
I have grown tired of my 22 inches monitor lighting up the room so I decided to give this a try anyway. I ordered the smallest one.
If it is a wash at least I will no longer have this giant display.
I have no idea how USB and the regular monitor port affect the assignments of tasks within the computer. I do not know what polling is but I will find out (somewhat) after I go to the link you supplied.
I guess I can disable the monitor based devices in DEVICE MANAGER since this monitor has its own "video card". Will be interesting if that makes any difference.
I hesitate to depend on the monitor to change resolution since cics said in the OPTIMIZATIONS that this requires additional power so he recommends using the native resolution of your monitor. I do not know what to make of any of this. Wish I had a better idea of what goes on within the motherboard. But only if the information could be injected into my brain!
In a week or so, I will know.
Are you using the "new" board?
Thanks, again,
Rick McInnis
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