Since we're talking 5.25" HH drives, here's a few more. 720K: YE Data YD-380 360K: Toshiba ND-0401 MPI 9428 1.2MB Fujitsu M2551 I've got some FH 5.25" 100tpi drives from MPI, but all of the stickers have dried out and fallen off, so I haven't the faintest as to what the model number is. Cheers, Chuck