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Date:      Wed, 23 Sep 2009 15:22:30 +0200
From:      Jan Henrik Sylvester <>
To:        Albert Shih <>
Cc:        questions-list freebsd <>
Subject:   Re: zyd & TEW-424UB
Message-ID:  <>

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Albert Shih wrote:
> So I just buy a 
> 	Trendnet TEW-424UB
> wifi usb adapter. I find this in the 
> 	man zyd
> but when I plug my adapter (after add if_zyd_load="YES" in my loader.conf
> and reboot) it's not working. 

According to , there 
are two revisions of that device with totally different chipsets.

Unfortunately, that is pretty common for wireless devices with only a 
few companies being exceptions.

BTW: If you want to get a zyd device, be sure to get a ZD1211B version 
(see the source for hints which ones are). I had a ZD1211 (without B) 
that happened to cause kernel panics under load on FreeBSD 7. From my 
experience, ural or rum devices are stable. (I know nothing about uath, 
upgt, and urtw.) If you have that choice, cardbus or PCI tend to be 
better than USB, especially ath devices work well.

Jan Henrik

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