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Broadcom wireless strange problem


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After a lot of fooling around, I've got my Toshiba M15-S405 running pretty much completely on 10.4.8 with the exception of wireless. Browsing through the forums here, I saw that someone suggested replacing the mini-PCI card in the notebook. I replaced it with a Broadcom 802.11 B/G, which works flawlessly in XP. In OS X though, it's misbehaving.

 

I've looked at the tutorials and every post I could find in the forums, and it seems like everything is set up correctly. The vendor ID is 14e4, and the device ID is 4320. These values are already in the plist file the way they should be. I saw another place where it was suggested to change the en value. It's set to 1. The wired adapter is 0. I tried setting wireless to 2, but that didn't do anything so I changed it back.

 

Here's the strange part. When I look at About This Mac. it's recognized as an Airport Extreme (0x14e4, 0x12f4). I have the wireless icon at the top of the screen. It apparently can find routers ok. It must see my Netgear MR814 because it sees the MAC address of the router correctly when I click on Open Internet Connect... from the menu. As a matter of fact, it apparently can see other wireless networks near my house because it lists other networks that it sees.

 

However... it won't let me connect to any of them, and I get nothing in the signal level bar graph for any of them. I've put in the correct WEP keys for my network. I've even tried disabling security altogether, but I can never get a signal reading. As I said, it works perfectly in XP so the hardware is good.

 

Any suggestions? Please help. I'm sooooo close to having it all work.

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