I remember the early ones coming with 40MB drives, and the later ones with 52's as standard. At the time the 52's came out, the 105's were an option. If my dusty memory serves, the 40's were full height 3.5" drives mounted in the second floppy bay. The 52's were mounted to the 2091 controller. I don't recall seeing the 2090 MFM card, or if there was an 'official' 2000HD that used it.
