Template:mpu The Duron 900 based on the Morgan core was a 32-bit x86 microprocessor developed by AMD and introduced in early 2001. This model was part of the second generation of the Duron family. Designed based on AMD's K7 (a Thunderbird-derivative) on a 180 nm process, this MPU operated at 900 MHz with a bus capable of 200 MT/s with a typical TDP of 42.7 W with a typical TDP of 39.2 W.