Re: Transfer a 8250 diskette

From: Gerrit Heitsch <*gerrit_at_laosinh.s.bawue.de*> Date: Mon, 14 Nov 2011 18:07:10 +0100 Message-ID: <4EC14ABE.7090501@laosinh.s.bawue.de> · gerrit_at_laosinh.s.bawue.de

On 11/14/2011 05:56 AM, William Levak wrote:
>
> Use the drive's memory read command to read locations 65254 and 65334.
>
> ROM 65254 65334
> 1540 325303-01 96 170
> 1541 901229-01 253 170
> 1541 901229-03 14 170
> 1541 901229-05 62 170
> 1541 251968-01 121 138
> 1541-II 251968-03 121 133

Do you have the data for the 251968-02 as well? That one is the first 
with the fix for the @-Bug and was used in some 1541C (the ones with the 
track zero sensor).

The reason is that the 1541C (white case, usually mitsumi mechanic) came 
with all kinds of boards and ROMs. I have 3 of them and they are all 
different. Even one with the old 1541 short board that cannot use the 
track zero sensor.

  Gerrit

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