WiFi
The Broadom wireless chip (bcm 4318) works with ndiswrapper, but might be unstable and does not work with 4K stack kernels? Remember that, although the wlan led does not currently work, the button does turn the radio on and off. The led will blink when there is any traffic.
However, work is going on to bring a native Linux driver to the playground. More information about the project is available here:
http://bcm43xx.berlios.de/ . (Jan 2007) This works for both WEP and WPA (I'm editing this wiki right now while on Gentoo, using wifi). Load bcm43xx module that comes with 2006.1 amd64 distro. Then emerge bcm43xx-fwcutter and extract the firmware from the wl_apsta.o file you download from
http://bu3sch.de/bcm43xx_fw.php. Run the command "mv bcm43xx_* /lib/firmware". Then use ifconfig to bring up the device (called eth1 by default on 4005 ferrari). Make sure you modprobe arc4 and ieee80211_crypt_wep --- if it's not working for you, read the dmesg | tail). I read the instructions below but this is what worked for me, so I didn't use ndiswrapper. (There is an irc channel on freenode.net called #bcm-users which you may get help regarding the above drivers.)
The specification of txpower in BCM 4318 is different from the other bcm43xx cards. The actual implementation in bcm43xx.ko makes the txpower too weak to overcome obstacles, then you need to be close the access point to get a connection. Reference:
http://forums.gentoo.org/viewtopic-p...8.html#3533332
Also, it seems to be limited to 11Mbps, even when directly beside the access point. At further distances, the connection quality is severely degraded -- unlike with ndiswrapper. Has anyone gotten better results?
To try it out, get the latest kernel (I tried with 2.6.19.1), enable CONFIG_IEEE80211 (Generic 802.11 stack) and CONFIG_IEEE80211_SOFTMAC (Software MAC addon) from Networking. This will enable "Broadcom BCM43xx" from the Wireless LAN driveres in Device drivers > Network devices.
Maybe you will need either irqfixup or irqpoll kernel parameter to make ndiswrapper to work. Both have the same effect for ndiswrapper. Be warned: irqfixup and irqpoll are the cause of the message "hdc: cdrom_pc_intr: The drive appears confused (ireason = 0x01)" in dmesg. If you do not need ndiswrapper remove irqfixup and irqpoll. irqfixup and irqpoll also hurt system performance, irqpoll hurts a little more than irqfixup. The native wifi driver does not need them.
The Acer "SignalUP" technology is actually nothing more than a specific antenna design. No additional software or drivers are required for it to work.
(other user)
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