Debian Testing(Lenny) on Thinkpad T61 HowtoPre-Installation Notes Configure BIOS Make sure that the SerialATA is configured in "AHCI" mode (not "compatibility mode") Backup As usual, you have back'd up your data (you never know). Also make sure you have created the reinstallation CDs to restore the original Operating system (unless you have the reinstallation CD!) 32bits or 64 bits ? Since the CPU is a Core 2 Duo, you can choose a 64bits (
