Reverse-engineering WD1000, WD1001 hard disk controllers

[jos]

On 23.11.2016 01:03, Eric Smith wrote:
> On Tue, Nov 22, 2016 at 9:14 AM, jos <jos.dreesen at greenmail.ch> wrote:
>
>> The MFM disk controller for later version Lilith's is clearly based on a
>> WD1001-05.
>> But uses a 8x305 iso 8x300.
>>
> All of the WD1001 controllers I've seen use 8X305.  Some later WD1000 use
> 8X305 also.  I've disassembled the firmware of one WD1001-05 so far, and it
> does not use any of the added features of the 8X305.

I added a pic of a wd1001-85 and prom contents on ftp://ftp.dreesen.ch/WD1001

Prom contents is different from the Lilith ones.



Jos