> On 2019-01-04, at 12:14, Gerrit Heitsch <gerrit@laosinh.s.bawue.de> wrote: > >>> But the final drive implementation still resulted in Commodore drives >>> with their custom logic fitting more data onto the same media than >>> compared to MFM drives using a standard controller. >> That was mostly due to different speed zones so Commodore could store more data on outer tracks. > > I know... You could have done the same with MFM, but no one did for some reason. And it was hailed as a great development when they came with different speed zones on IDE drives. Called 'Zone Bit Recording' back then. > > My reaction back then was 'had this on floppies years ago... what else is new?'. Yeah.. the "PC Engineering" type of folks[*] keep inventing wheels we used to race on before they were able to walk ;-) * - the kind of "engineers" who thought it to be a great idea to cut'n twist flat cables before installing a plug for example -- SD! - http://e4aws.silverdr.com/Received on 2019-01-04 13:01:40
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