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TuringMachine

[CM XT-Stealth / CM Quickfire XT / CM Quickfire Rapid] KRO's in USB mode

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The three keyboards I listed in the title (i.e., the CM XT-Stealth, the CM Quickfire XT and the CM Quickfire Rapid) work in both PS/2 and USB mode. They also all feature NKRO (N-key rollover) in PS/2 mode.

 

My question is: what are their KRO's (key rollover's) in USB mode?

 

P.S.: Let me just "briefly" explain why I asked the above question: I play a fighting game called Grand Chase, where USB mode seems to be better suited for certain combos, in which one has to hit multiple keys at once: due to the PS/2 mode's precision, if you try to hit multiple keys at once, say, D and S, the keyboard may notice, say, you hit D just a little bit before S, so that you fail the combo.

 

On the other hand, I don't want a USB-only keyboard, because I play another game (a rhythm game called Stepmania), where the more precision the keyboard offers, the better, so that a PS/2 keyboard is superior for this game. So a keyboard that works both as USB and PS/2 would be perfect for me, but it wouldn't be possible to play on a 2KRO keyboard, hence the question. (I think something like 6KRO would suffice, though.)

 

P.P.S.: I actually have only tested three (membrane) keyboards I have at home, two of which are USB-only and one of which is PS/2-only, and then extrapolated what I observed to USB and PS/2 keyboards in general. I might be wrong, but my theory seems to make sense and seems to be consistent with the information I've gathered by surfing the internet.

 

Thanks!

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RealNC    0

I have the XT and have it connected through PS/2. There is no delay when pressing multiple keys. If I press 8 keys at once with both my hands, all of them seem to be registered at exactly the same time.

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