It’s difficult to install Ubuntu on Macbook8,2 for some issues that don’t exist normal intel based CPU.
First of all, Only Ubuntu 10.04.03 is possible to install.
Choose 64-bit PC (AMD64) desktop CD
One might burn a DVD at a lowest speed such as x2 or x4.
Then you could install ubuntu on your Macbook Pro8,2.
But lost all ethernet connection such as wired ethernet and wireless.
Following link provides manual install a Broadcom WIFI modul on your machine.
Copy these files into your USB disk
- compat-wireless: go to Linux Wireless and download compat-wireless-2.6.tar.bz2
- the latest version of bw43-fwcutter (version 015)
- Broadcom’s proprietary driver to extract the firmware
Then load wireless driver to upgrade Ubuntu 10.10 or Ubuntu 11.04.
It’s quite painful to install Ubuntu version that you want on a Macbook Pro.