To install the native broadcom driver on debian, use module-assistant from shell. Log in as root and run. This should compile the native driver. This is tested on a Lenovo S10 Debian Testing.

$ m-a a-i broadcom-sta

Remember to check that /etc/modprobe.d/broadcom-sta-common.conf is created and the following modules are blaklistet.

blacklist b44
blacklist b43legacy
blacklist b43
blacklist ssb

There seems to be problems with network transmission when sending data using wire. Transfer large file using SMB, SCP etc. The bug is related to lenovo S10 using broadcom drivers.

Links bugzilla

Run the following from shell. This should solve the problem until mainstream kernel is updated with a fix.

$ ethtool -K eth0 sg off