add DF2 to my A4000

Sundance2022 · 07 March 2022, 06:44

In order to use an external floppy when I already have df0 (floppy) and df1 (Gotek) internal what do I need to do? Is there a jumper or something to enable df2/external floppy?

lesta_smsc · 07 March 2022, 06:48

See this thread:

http://eab.abime.net/showthread.php?t=109848

Jope · 07 March 2022, 06:52

No need to do anything else than plug the external floppy drive in. The Amiga autodetects it.

Sundance2022 · 07 March 2022, 06:56

I think it must be a bad drive in the external drive then, thanks for confirming I don't need to mess with jumpers or anything.

Jope · 07 March 2022, 07:34

Is this a normal DD 3.5" floppy drive? If so, the mechanism is the passive part of the external drive. There are a few logic chips in there that generate a pulse on the ready signal when the Amiga tries to detect the drive.

I guess you checked for an enable switch at the back of the external drive and tried it in both positions if it has one?

hooverphonique · 07 March 2022, 09:57

Quote:

Originally Posted by Jope

I guess you checked for an enable switch at the back of the external drive and tried it in both positions if it has one?

Also, the drive/switch must be enabled while you power on/reboot the amiga for the drive to be detected.

Sundance2022 · 07 March 2022, 19:33

Yes, I tried with the switch in both positions.

Leon Besson · 07 March 2022, 22:18

Doesn’t the A4000 have a jumper on the mainboard to enable external drives if I recollect?

Sundance2022 · 08 March 2022, 00:19

There is a jumper to enable internal df1 but I think that is it, no dhx jumper. I have it enabled as I have a Gotek as df1 and an internal floppy as df0. So according to other posts here it should autodetect the external floppy as df2.

Jope · 08 March 2022, 09:03

Quote:

Originally Posted by Leon Besson

Doesn’t the A4000 have a jumper on the mainboard to enable external drives if I recollect?

There are two internal jumpers related to floppy drives. One is for enabling a DD mechanism as an internal DF1 (J351) and another is for rerouting DF0 to be the first external drive (J352).

Normally when connecting an Amiga compatible external drive, you do not have to adjust any jumpers on the A4000. It will show up as DF2 per default.

Jope · 08 March 2022, 09:06

Quote:

Originally Posted by Sundance2022

There is a jumper to enable internal df1 but I think that is it, no dhx jumper. I have it enabled as I have a Gotek as df1 and an internal floppy as df0. So according to other posts here it should autodetect the external floppy as df2.

Yes. If you have the motivation, you can double check that J352 is in position 1-2 so that the first external drive is DF2.

07 March 2022, 06:44	#1
Sundance2022 Registered User Join Date: Jan 2022 Location: Suisun City Posts: 9	add DF2 to my A4000 In order to use an external floppy when I already have df0 (floppy) and df1 (Gotek) internal what do I need to do? Is there a jumper or something to enable df2/external floppy?

08 March 2022, 00:19	#9
Sundance2022 Registered User Join Date: Jan 2022 Location: Suisun City Posts: 9	There is a jumper to enable internal df1 but I think that is it, no dhx jumper. I have it enabled as I have a Gotek as df1 and an internal floppy as df0. So according to other posts here it should autodetect the external floppy as df2. Last edited by Sundance2022; 08 March 2022 at 08:31.

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07 March 2022, 06:48	#2
lesta_smsc Registered User Join Date: Feb 2012 Location: United Kingdom Posts: 3,190	See this thread: http://eab.abime.net/showthread.php?t=109848

07 March 2022, 06:52	#3
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,923	No need to do anything else than plug the external floppy drive in. The Amiga autodetects it.

07 March 2022, 06:56	#4
Sundance2022 Registered User Join Date: Jan 2022 Location: Suisun City Posts: 9	I think it must be a bad drive in the external drive then, thanks for confirming I don't need to mess with jumpers or anything.

07 March 2022, 07:34	#5
Jope - Join Date: Jul 2003 Location: Helsinki / Finland Age: 43 Posts: 9,923	Is this a normal DD 3.5" floppy drive? If so, the mechanism is the passive part of the external drive. There are a few logic chips in there that generate a pulse on the ready signal when the Amiga tries to detect the drive. I guess you checked for an enable switch at the back of the external drive and tried it in both positions if it has one?

07 March 2022, 19:33	#7
Sundance2022 Registered User Join Date: Jan 2022 Location: Suisun City Posts: 9	Yes, I tried with the switch in both positions.

07 March 2022, 22:18	#8
Leon Besson Banned Join Date: Feb 2022 Location: Anywhere and everywhere I have a contract Posts: 822	Doesn’t the A4000 have a jumper on the mainboard to enable external drives if I recollect?

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