From: B. Degnan (billdeg_at_degnanco.com)
Date: 2006-07-02 02:19:09
I will look into this..thanks. I did not know/notice.
Bill
At 10:14 PM 7/1/2006 +0200, you wrote:
>Bill Degnan wrote:
>
>>Theoretically you do not have to do anything to the drive if you swap
>>a 603s for a 602s. If you use a 602s, you in effect convert a d9090
>>into a d9060, and the capacity is reduced to 5MB.
>
>The ftp index on this page says:
>
>"The jumper J14 on the DOS board is open in the D9060, and closed in
> the D9090 to select a 4-head vs. 6-head drive."
>
>http://www.zimmers.net/anonftp/pub/cbm/firmware/drives/old/9090/index.html
>
>Maybe that's what you are missing if you tried a 4-head ST-225 with a
>D9090 drive?
>
>Speaking of which, I see Ethan many years ago went about to disassemble
>the ROMs in order to address a disk with different geometry and perhaps
>be able to access a larger part (all?) of a ST-225 disk. How did it go?
>
>--
>Anders Carlsson
>
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