dfitoimd: decoding Intel M2FM floppy flux images (was Re: Intel 432 floppy flux images for decoding)

Al Kossow aek at bitsavers.org
Mon Aug 8 15:33:52 CDT 2016

On 8/7/16 9:52 PM, Eric Smith wrote:

> Of the four Intel M2FM disk images I've tried, which are single-sided
> 77 track 52 sector 128 byte, for a total of 4004 sectors, I get 3990,
> 3981, 4004, and 3976 sectors read apparently correctly (without CRC
> error). That's more than 99.3%, which isn't good enough.

is there any correlation between creation dates of the files and the failure rate?

i'm wondering if the heads started to clog farther into the imaging session.

he didn't say how often he cleaned the heads.

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