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Author Topic: Amiga Technologies A4000T floppy  (Read 2438 times)

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Offline Markus_Bieler

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Re: Amiga Technologies A4000T floppy
« on: October 10, 2005, 07:18:19 PM »
Yes its possible. The solder point are there. If I remember correctly its CN 260 OR 261. One is for a real portplug, the other for two rows of oins to connect a ribboncable.
Look here on the pic at the left side, there has someone soldered the connector onto the scsi-board.

http://www.amiga.org/gallery/index.php?n=1086

I soldered a cable directly onto the board.

 

Offline Markus_Bieler

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Re: Amiga Technologies A4000T floppy
« Reply #1 on: October 10, 2005, 07:49:51 PM »
 

Offline Markus_Bieler

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Re: Amiga Technologies A4000T floppy
« Reply #2 on: October 10, 2005, 08:22:25 PM »
@X-ray

Amiga Technologies just used standard PC-HD-Floppydrives. The first batch of A4000T had a (very unprofesionally) altered floppycable to match the different signals. The later used a little PCB to do the same.

If you havd the later then you can indeed just use a standard amiga drive like Chinon FB354/FZ354 (DD) or Chinon FB357/FZ357 (HD) drive. If you have a A4000T from the first batch then you need also a real amigafloppycable (like one from an A2000)

Markus
 

Offline Markus_Bieler

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Re: Amiga Technologies A4000T floppy
« Reply #3 on: October 10, 2005, 08:37:28 PM »
@X-ray

No. But the first thing I did when I got my A4000T, was to take out the Panasonic-floppydrive and installed a FZ357A (real Amiga-HD-drive). The Panasonic drive is now in my PC and it works as real PC-HD-drive. and I had exchange this ugly cable patch (with hot glue everywhere on the flat cable).

And the local repair-center (where I can use their equipment to solder on my boards) told me that this little PCB on the back of the drives just does the same as the ugly cablepatch, I took this for real. Sorry I can't prove it.
IIRC the patch has something to do with drivereadysignal. perhaps you have to jumper your drive.

What I know is, that you can't use Mitsumi drives at all. (And I even would not recommend them for PCs as well, they are just lousy unreliable drives)

Best is to look after A2000/A4000 drives and a A2000 floppy cable.

Markus

edited 10-10-2005 21:54

 

Offline Markus_Bieler

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Re: Amiga Technologies A4000T floppy
« Reply #4 on: October 10, 2005, 08:53:00 PM »
@X-ray

A little typo. Amiga HD Drive FZ357A
PC HD drive FZ357.