On 20.11.2016 01:30, Al Kossow wrote:

On 11/19/16 4:25 PM, dwight wrote:
It is actually a controller for a TRS-80 but it was a WD1000 in disguise.

what format board (5" or 8")? 8X300 or 305?

I dumped and took pictures of a couple different styles which are up on
bitsavers under westernDigital
Interesting....

The MFM disk controller for later version Lilith's is clearly based on a 
WD1001-05.
But uses a 8x305 iso 8x300.

Pic of PCB and dump of proms are on    ftp://ftp.dreesen.ch/WD1001/

The disk used is an imi-5018 15MB.

Jos

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