Date: Tue, 06 May 2008 01:06:50 +0930 From: Benjamin Close <Benjamin.Close@clearchain.com> To: Jordan Coleman <jordan@jordancoleman.com> Cc: AT Matik <asstec@matik.com.br>, freebsd-mobile@freebsd.org Subject: Re: "International" channels on a CM9 Message-ID: <481F2992.5080809@clearchain.com> In-Reply-To: <F5A5F6FE-C3E7-4B72-B616-3C9FA54837C2@jordancoleman.com> References: <6B39D996-3A54-43FD-922F-C5883FA8B405@JordanColeman.com> <200804240842.16865.asstec@matik.com.br> <F5A5F6FE-C3E7-4B72-B616-3C9FA54837C2@jordancoleman.com>
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Jordan Coleman wrote: > On Apr 24, 2008, at 7:42 AM, AT Matik wrote: >>> I have an embedded system that contains a Wistron CM9 802.11 card, >>> purchased in the US. After extensive testing in the US, the unit is >>> now being installed in Europe, where 802.11b/g channels 1-13 are >>> employed. How can I enable channels 12 and 13 on this hardware, which >>> currently seems to only be able to use the "US" channels, 1-11? > >> on some cards it is possible to achieve by setting the country code >> at boot >> time (sysctl in loader.conf) on others not > > sysctl shows countrycode=0, regdomain=0. I can change the countrycode > to other (valid) settings, but I have a feeling that setting that at > runtime is already too late. > >> there is a way again on some cards to tweak the card's eprom memory >> to get the >> extended channels > > It was my impression based on the research I did before purchasing the > card that there aren't multiple SKUs representing hardware for > different regions -- just the one card which can cover the full range > of frequencies. Is that not the case with the CM9? > >> you can try attached exec which should run on i386 at least on 5.3 >> and perhaps >> 6... (i don't remember) >> >> in order to do it you need to boot with the card installed in single >> user mode >> and after setting reboot to see if it works > > If I do end up having to make an EEPROM change, single-user mode isn't > an easy option in this case. The hardware is built into a > weathertight box mounted on the outside of a structure; there's no > console. The system boots via PXE and mounts its root filesystem via > NFS, though, and I have remote power control as well, so I have fairly > complete control over bootup. Is single-user strictly necessary? Hmm, this may have been recently fixed: On Sun, Apr 27, 2008 at 10:03:56PM +0000, Sam Leffler wrote: > > sam 2008-04-27 22:03:56 UTC > > > > FreeBSD src repository > > > > Modified files: > > sys/dev/ath if_ath.c > > Log: > > restore the hal's channel list when doing getradiocaps so it's in sync with > > the 802.11 layer's list >
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