Date: Sun, 19 Jun 2011 10:13:26 -0600 From: Warner Losh <imp@bsdimp.com> To: Maciej Milewski <milu@dat.pl> Cc: Kevin Oberman <oberman@es.net>, freebsd-mobile@freebsd.org Subject: Re: Well supported wireless card for Lenovo T520 Message-ID: <8CE1BDDB-BC80-4C31-AC6F-EA99D94DA9AE@bsdimp.com> In-Reply-To: <201106191624.46574.milu@dat.pl> References: <20110618034432.634C01CC0B@ptavv.es.net> <4DFDE8A0.90208@FreeBSD.org> <201106191624.46574.milu@dat.pl>
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On Jun 19, 2011, at 8:24 AM, Maciej Milewski wrote: > On Sunday 19 of June 2011 14:16:32 John Baldwin wrote: >> You might want to make sure that your laptop will accept a different >> wireless adapter. I tried to replace the Broadcom WIFI adapter in an HP >> netbook and the system refused to POST with an Atheros WIFI adapter. >> Apparently the BIOS would check the PCI ID of the adapter and only >> booted if it was the Broadcom adapter. (The message it output during >> POST actually said "restore valid WIFI nic" or some such.) I resorted >> to using ndis(4) (though it looks like the Linux equivalent of bwn(4) >> supports my adapter now, so maybe someday I'll get to use bwn(4)). > > In such case there are options to find a card which was made specific to > manufacturer or find the patched bios(or do this by self but that may be very > dangerous). I had such situation and went the whitelist way with my Lenovo > laptop and I have no more problem with incompatible wireless(wwan and wlan) > devices. The two computer manufacturers who are doing such security of their > profit are HP and Lenovo. I don't know if others are doing that too. The other option is to change the ID in the BIOS (hardish) or get a atheros card that you can change the ID for (less hard: google is your friend ehre). Warnerhelp
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