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USB 3.0: To allow or not allow isub3mon.exe to run, that is the question

post #1 of 8
Thread Starter 
Anyone with a newer motherboard that has USB3 support has probably installed the Intel USB3.0 eXtensible Host Controller Driver. After reboot, a popup comes on asking if you want to run iusb3mon.exe (which is supposed to monitor the ports or something).

I've started experimenting with this recently and just X'ing out of the box instead of letting it run at startup and I have to say, the mouse feels slightly different, or less filtered if you don't let it run. Anyone else have similar experiences with this?

I use a Gigabyte Z77 UD5H motherboard and it "supposedly" uses native Intel USB3 ports with VIA hubs/splitters. If I don't install the USB3 driver at all, the mouse movement feels VASTLY different and much faster, even while plugged into a usb 2.0 port, so I'm not really sure if not installing the USB3 driver at all is a valid or good choice.

I really dislike the way USB 3.0 implementation has been handled overall. Numerous people with different hardware have posted how plugging a mouse into a supposedly native Intel USB 3.0 port feels a lot different from plugging it into a USB 2.0 port. I notice the same thing myself, with preference so far to how the USB 2 feels better. Then you have these software issues on top of that and the whole thing is just bs.
Edited by r0ach - 5/8/13 at 6:56am
post #2 of 8
Thread Starter 
edit: typo, topic should be "iusb3mon.exe"
post #3 of 8
I honestly... don't feel any difference from disabling or enabling it.
Placebo effect maybe?
post #4 of 8
Thread Starter 
Not placebo, I tested running this thing on and off like 20 times. I eventually settled to having it on because the precision for small movements without it running was too fast / less accurate.

If I don't install the intel USB 3.0 driver at all, 800 DPI feels like 1000 DPI on my system.
post #5 of 8
Alright tell you what, I have another system that I need to set up today. I'll try this issue again to see if I can find any difference or not.
Will report back.
post #6 of 8
does this only apply to usb3 slots then or does it influence usb2 ports as well?
post #7 of 8
Thread Starter 
Not installing the Intel USB3 driver changes the feel of USB2 ports as well (same with allowing or not allowing iusb3mon.exe to run). Someone in another thread claimed that they might "share the same timing" or something weird like that and that USB2 + USB3 controllers are not completely independent.

The whole USB3 implementation is just so bad in general. If USB3 is supposed to be completely backwards compatible and USB3 on z77 is supposed to be native, then why do I still have USB2 ports at all on my motherboard? And if USB3 is supposedly native on z77, why does everyone still say mice feel worse on it and higher latency than usb2? Something is just foul with intel's implementation.
post #8 of 8
so could anyone else tell a difference here?
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