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Edimax EW-7811Un

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Revision as of 11:43, 26 April 2011 by Brinley (Talk | contribs) (Report from Steve White)

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Edimax EW-7811Un

  • Chipset: RTL8188CUS
  • Device ID: 7392:7811
  • Driver:

Info

This is Ubuntu 10.10 on an AMD x86_64.

Plugged the device in, and saw it appear in lsusb, and a message appears in /var/log/messages 

new high speed USB device using ehci_hcd and addresss 11

But iwconfig shows no wlan0.

Downloaded the Linux drivers from Edimax (the Realtek drivers). They build, but with lots of warnings relating to 64 vs 32 bit stuff. The module loads, but does not work. Lots of errors appear in /var/log/messages, mostly "usb read/wrote TimeOut!" Wrote to Realtek support asking them to fix this, haven't heard back.

Similar story, no apparent solution: http://ubuntuforums.org/showthread.php?t=1658112

SoL unloaded the 8192cu module, blacklisted it in in /etc/modprobe.d/blacklist.conf Then installed ndiswrapper, and got the Windows drivers from the Edimax site. There are 32 and 64 bit versions for Win7 Vista and XP. Tried XP 64 first, then the other 64 bit ones, then the 32 bit ones. They load 

$ ndiswrapper -l
net8192cu: device (7392:7811) present (alternate driver: 8192cu)

but iwconfig shows no wlan0

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