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Filco Stuck Modifiers and Keys

post #1 of 60
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I just bought a Filco Majestouch 2 Tenkeyless w/ MX Browns, and to test out the NKRO feature I tried to hit as many keys as possible using ps2 connection. Everytime I do this, there are a bunch of keys stuck down according to aquatest and the microsoft ghosting test.

The worst part about it is that I cannot type after doing this two palms to the keyboard test, due to what I assume to be the modifiers being stuck down. When I try to type into notepad, it will open up the ALT+whatever key I push command. Sometimes the windows key is stuck down as well, so on the desktop when i push p, it will try to change display input. Everytime I click on an icon in the taskbar it will open a new instance of it (a SHIFT+click) . It is not always the modifiers that are stuck down either, sometimes it's a letter too.

Is this a controller flaw, inherent of Windows 7, or pushing all these keys opens a command to make the keys stick without sticky keys enabled? I have tried it on a different computer as well

FILCOSTUCK.png

as you can see the keys i pushed and which ones are still down. It also shows that i hit print screen, when I didn't. Sometimes it shows up as hitting the + or - on the numpad, but I don't even have one.
post #2 of 60
That's interesting, and shouldn't happen. I'd be interested to see some other Filco owners try and repeat the test.

Obviously mashing your palms into the keyboard isn't a particularly realistic or meaningful measure of keyboard performance, but I have done something similar with other NKRO keyboards, and it should work fine. It is interesting if the controller does not work as it should.
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post #3 of 60
I think it was something to do with quick releasing all the keys at once, the same thing happens to me but as long as I go slow I don't have a problem.
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post #4 of 60
I don't remember experiencing anything like this on my Deck or ps/2 realforce. If anyone has any theories to rule out I could test them when I get home, but I don't think this is something that normally happens.
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post #5 of 60
Quote:
Originally Posted by Scrappy;13776917 
I think it was something to do with quick releasing all the keys at once, the same thing happens to me but as long as I go slow I don't have a problem.

Wait, was this while mashing keys with your palms, or during regular usage?
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post #6 of 60
Mashing
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post #7 of 60
Still, it shouldn't happen.

Remember that in PC keyboards, keys are assumed to be pressed until the controller detects that a key has been released, at which point it sends a break signal for that key to the computer. By means of pure conjecture, the controller may only have the ability to keep track of a relatively limited amount of keys. It's possible that if too many keys are mashed down at once, it will only remember that some of them have been pressed, and thus will not generate all the appropriate break signals when they are all released.
Edited by ch_123 - 6/6/11 at 5:22pm
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post #8 of 60
I just tried it with Filco Limited Edition Cherry Red Gen 2 on USB. Mashed away with both hands rapidly.

No stuck modifiers. You CAN get a stuck Windows key indicated if you toggle a ALT/Winkey sequence just the right way. But that's a false negative - a bug in the way Aquakeytest traps the Winkey.

Solution is to switch to USB.
Edited by ripster - 6/6/11 at 5:27pm
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post #9 of 60
Quote:
Originally Posted by ripster;13777322 
I just tried it with USB.

No stuck modifiers.

Solution is to switch to USB.

doh.gif Whhhhyyyy did it have to be THAT of all things THAT had to work?
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post #10 of 60
Or don't mash with both hands.

But that's no fun.
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