General Warning! [Ralink chipset + Windows 7 64bit + 4GB RAM = driver crash]

I just wanted to put a general warning out there.
There seems to be a pretty big problem with Ralink drivers right now, even ones automatically downloaded from Windows Update for at least 3 Ralink Chipset groups.
The problem:
There's some kind of messup when certain environments are the same. Windows 7 64 bit and over 3GB of RAM and a Ralink Wireless card/usb device. Once these variables are the same, most ralink wireless drivers will crash. The crash is very sneaky, it simply looks like your wireless connection has been switched to limited, however the wireless system can't and won't recover. You can try to disconnect or connect to another wireless system, but this doesn't work. You also won't be able to shut down or restart your machine, even after log off. If you do try and let the computer wait it out, eventually it will blue screen and reboot after a very long time.
This happens when the system transfers a significant amount of data or sometimes at a certain speed. For me it happened whenever I xfered a certain amount of data or once the card hit 5 MB speeds. But it varies with driver version and system. Sometimes it seemed random and just happened while surfing.
I have 2 usb devices with the ralink chipset and I've been able to reproduce the crashes everytime on several machines. The ONLY machine that does not mess up is a laptop with 2GB of RAM.
I decided to make this general warning, because I imagine some people are blaming their routers for the problem. I've read several posts on here where people have these symptoms and assume that it's their router.
The only fix/workaround right now is to remove some RAM, which of course isn't entirely convenient. I've contacted Ralink about it and heard nothing back, so I don't know if they've identified it as a problem or not yet. The other option is to get a usb device or card with another chipset brand....I purchased a usb device with the atheros chipset (the only cheap alternative to ralink, all the others are slightly more expensive) and that usb device worked PERFECTLY.
If you are using a pci card or usb device with a Ralink chipset and the computer specs I've mentioned and it actually WORKS, I'd love to hear from you right here. Remember, it has to be a Windows 7 64 bit system and 4GB or more of RAM. Make sure the system is 4GB and not 3.x because of an onboard GPU. The problem MAY happen on Vista as well, but I haven't tested it...all my systems are running 7.

Affected driver as of 10/31/2009
09/25/2009
2K/XP:1.4.7.0
Vista:2.3.7.0
Win7:3.0.7.0 [This is the only driver I've tested for Windows 7]
for chipset:
USB (RT2870 /RT2770 /RT307X /RT2070 /RT3572)
Message Edited by neoprimal on 10-30-2009 09:27 PM

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