Re: 8280 Drive - Service Manual / FD1797B-02

From: Francesco Messineo <francesco.messineo_at_gmail.com>
Date: Tue, 24 Apr 2018 23:03:07 +0200
Message-ID: <CAESs-_xPJcZgLfzcR0iWESbERzS4MdEpRFPsGqc=A6yU84rxFw@mail.gmail.com>
On Tue, Apr 24, 2018 at 10:47 PM, vossi <vossi@ceffy.de> wrote:
> Thanks to Rob I found the error at the RAM from 2000-2FFF and replaced both
> 2114.
> Now the drive has no flash code anymore.
> I can access to it with my 8032sk.
> But if I try to format with the header command it always gives me a "bad
> disk".
> I tried both drives and different discs (DS, DD, soft sectored).
> The errorcode says number 26 = write protect - but all disks (some new ones)
> have no hole = write enabled!

I would look at the sensors for the write protect hole and see if they
work and follow the signals until they reach an input
pin.
I have never seen a real 8280 of course... just guessing.

Frank
Received on 2018-04-25 00:00:03

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