User1608 Posted June 21, 2011 Share Posted June 21, 2011 Hi guys, I recently bought a rebranded D-Link card with Broadcom chipset on ebay. The seller stated that this card would natively work on OSX86 due to being rebranded as AirPort. But the card doesn't show up anywhere under OS X 10.6.7 nor on OS X 10.7 DP4. The system profiler doesn't display it either. OS X is behaving like the card doesn't even exist and the wifi icon in the panel doesn't show up as well. Switching the PCI slot didn't help. On Windows the card is working and displayed as "Broadcom 802.11g" and the properties say it's a 14E4 4320 (which is what Apple uses afaik) I also tried the "Broadcom 43XX Series Airport kext rev2" from kext.com but it was no use... Any idea what might be the problem here? EDIT: At first the dma restriction kernel flag solved it but 10.6.8 broke it again. See my last post. Link to comment https://www.insanelymac.com/forum/topic/259886-rebranded-broadcom-card-not-working-again/ Share on other sites More sharing options...
ifrit05 Posted June 21, 2011 Share Posted June 21, 2011 That is a BCM4320. Try this kext to have it supported, the instructions are on the page linked. http://www.kexts.com/downloads.php?do=file&id=972 Link to comment https://www.insanelymac.com/forum/topic/259886-rebranded-broadcom-card-not-working-again/#findComment-1701229 Share on other sites More sharing options...
User1608 Posted June 21, 2011 Author Share Posted June 21, 2011 I went searching a bit further and found a solution: "Broadcom440x driver has problems with DMA mapping after 1024MB" I needed to add max_valid_dma_addr=1024 to the kernel flags and it now works! (Not under 10.6.8 anymore, see next post) Link to comment https://www.insanelymac.com/forum/topic/259886-rebranded-broadcom-card-not-working-again/#findComment-1701238 Share on other sites More sharing options...
User1608 Posted June 25, 2011 Author Share Posted June 25, 2011 I needed to add max_valid_dma_addr=1024 to the kernel flags and it now works! After updating to 10.6.8 adding this kernel flag results in an extremely slow and unresponsive system! (console says configd crashes all the time and the whole system is throttling down) Therefore I needed to remove this kernel flag but now the card isn't working anymore. Did my 10.6.8 update go wrong or did it change something related to that? That is a BCM4320. Try this kext to have it supported, the instructions are on the page linked.http://www.kexts.com/downloads.php?do=file&id=972 Those kexts don't work either. (I followed the instructions and also copied IONetworkingFamily etc.) Link to comment https://www.insanelymac.com/forum/topic/259886-rebranded-broadcom-card-not-working-again/#findComment-1703156 Share on other sites More sharing options...
3.14r2 Posted June 25, 2011 Share Posted June 25, 2011 After updating to 10.6.8 adding this kernel flag results in an extremely slow and unresponsive system! (console says configd crashes all the time and the whole system is throttling down)There is a chance that you've faced this problem (#85). Just a guess... Link to comment https://www.insanelymac.com/forum/topic/259886-rebranded-broadcom-card-not-working-again/#findComment-1703322 Share on other sites More sharing options...
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