yee379 Posted March 6, 2007 Share Posted March 6, 2007 Hi, i have the usual problem of the fact that my bcm5751 driver reports the mac address of the card as 00:00:00:00:00:00. unforunately, i cannot use this mac addresss on my network, and changing it with ifconfig causes the machine to completely freeze. after trawling through the various posts on this (great) forum, i still can't find a resolution. the nearest i got was a couple of posts by dongzhi and moondark, who talked about hacking the hex on the driver to report an appropriate mac address. so i tried the download, and after some fiddling i actually managed to get it to work! but with dongzhi's ethernet address... but after a reboot, the 'port' became disabled and i got a message saying that the driver was not 'authentic' or something, and now i can't get it back up. i then tried to patch dongzhi's kext with my own ethernet address, but now i get error mapping module file com.apple.iokit.AppleBCM5751Ethernet can't map com.apple.iokit.AppleBCM5751Ethernet in preparation for loading Can't determine dependencies for com.apple.iokit.AppleBCM5751Ethernet. Couldn't alloc class "BCM5751Enet" and yep, i used moondark's promiscuous mode startupitem. and yep, i clear the caches each time. the machine i have is a dell optiplex gx 280 (not sure what revision etc the nic is). any ideas? Link to comment https://www.insanelymac.com/forum/topic/44424-bcm5751-revisited/ Share on other sites More sharing options...
dre2kse Posted March 7, 2007 Share Posted March 7, 2007 Hi yee379, I am in the same boat as you. Same machine here's my post. I haven't found any answer to this either. http://forum.insanelymac.com/index.php?sho...p;hl=BCM+freeze I saw a post where wite wulf (gx 280 also got it to work) but don't have any further info. please post any suggestions or things I can try as I'm kinda stuck. 2 Other questions for you. Did you get your Audio working? and does your machine freeze (or can't wake up) when it goes into sleep mode or power mgmt? thanks Link to comment https://www.insanelymac.com/forum/topic/44424-bcm5751-revisited/#findComment-318751 Share on other sites More sharing options...
katil Posted April 2, 2007 Share Posted April 2, 2007 I am in the same both here. I got dell 745 and got Network card to reconize by editing the AppleBCM5751Ethernet.kext file and adding the hardware id but now my MAC comes up with 00:00:00:00:00:00 and when i try to change it i get this error ifconfig en0 ether b3:d1:1a:13:33:aa ifconfig: ioctl (SIOCAIFADDR): Network is down Link to comment https://www.insanelymac.com/forum/topic/44424-bcm5751-revisited/#findComment-338159 Share on other sites More sharing options...
shadowblade2652 Posted March 5, 2012 Share Posted March 5, 2012 same Link to comment https://www.insanelymac.com/forum/topic/44424-bcm5751-revisited/#findComment-1803322 Share on other sites More sharing options...
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