Hello,
I tried to find schematics regarding the ST internal drive, because i would like to make an experiment.
I would like to be able to connect a good working original ST drive i have to my Floppy cable connected to my Kryoflux board, in order to dump games using copylocks, and see if i get a result different from the Sony PC drive i usually use.
Thanks if you can help :)
Using an original internal ST drive with a Kryoflux or Greazleweasle
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Dlfrsilver
- Posts: 84
- Joined: 05 Jun 2019 06:41
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rubber_jonnie
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Re: Using an original internal ST drive with a Kryoflux or Greazleweasle
The ST drive is just a normal PC 720KB drive set to DS0. There are a ton of schematics here, but I don't know if there is a specific FDD one: Schematics and other useful stuffDlfrsilver wrote: 19 Jan 2023 16:26 Hello,
I tried to find schematics regarding the ST internal drive, because i would like to make an experiment.
I would like to be able to connect a good working original ST drive i have to my Floppy cable connected to my Kryoflux board, in order to dump games using copylocks, and see if i get a result different from the Sony PC drive i usually use.
Thanks if you can help :)
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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Dlfrsilver
- Posts: 84
- Joined: 05 Jun 2019 06:41
Re: Using an original internal ST drive with a Kryoflux or Greazleweasle
What you mean is that i can basically use an ST drive directly on a regular PC floppy Cable 34 pin ?rubber_jonnie wrote: 19 Jan 2023 16:35The ST drive is just a normal PC 720KB drive set to DS0. There are a ton of schematics here, but I don't know if there is a specific FDD one: Schematics and other useful stuffDlfrsilver wrote: 19 Jan 2023 16:26 Hello,
I tried to find schematics regarding the ST internal drive, because i would like to make an experiment.
I would like to be able to connect a good working original ST drive i have to my Floppy cable connected to my Kryoflux board, in order to dump games using copylocks, and see if i get a result different from the Sony PC drive i usually use.
Thanks if you can help :)
-
rubber_jonnie
- Site Admin

- Posts: 14888
- Joined: 17 Aug 2017 19:40
- Location: Essex
Re: Using an original internal ST drive with a Kryoflux or Greazleweasle
Yes, but you'll probably need to set it to DS1 rather than DS0 as ST drives are set.
It's done by a jumper or a soldered link on the floppy drive itself.
Normal PC drives use a cable twist for ID.
It's done by a jumper or a soldered link on the floppy drive itself.
Normal PC drives use a cable twist for ID.
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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Dlfrsilver
- Posts: 84
- Joined: 05 Jun 2019 06:41
Re: Using an original internal ST drive with a Kryoflux or Greazleweasle
Ok, i have a problem : once plugged, i get the green diode of the drive always on. And it doesn't work.
I'm missing something, but what ? :?
I have tried DS1 by jumper at the back of the drive, but it gives the same result as position DS0 (default).
I'm missing something, but what ? :?
I have tried DS1 by jumper at the back of the drive, but it gives the same result as position DS0 (default).
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rubber_jonnie
- Site Admin

- Posts: 14888
- Joined: 17 Aug 2017 19:40
- Location: Essex
Re: Using an original internal ST drive with a Kryoflux or Greazleweasle
If the LED is always on, it's likely you have the cable reversed then.Dlfrsilver wrote: 19 Jan 2023 18:52 Ok, i have a problem : once plugged, i get the green diode of the drive always on. And it doesn't work.
I'm missing something, but what ? :?
I have tried DS1 by jumper at the back of the drive, but it gives the same result as position DS0 (default).
Collector of many retro things!
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
800XL and 65XE both with Ultimate1MB,VBXL/XE & PokeyMax, SIDE3, SDrive Max, 2x 1010 cassette, 2x 1050 one with Happy mod, 3x 2600 Jr, 7800 and Lynx II
Approx 20 STs, including a 520 STM, 520 STFMs, 3x Mega ST, MSTE & 2x 32 Mhz boosted STEs
Plus the rest, totalling around 50 machines including a QL, 3x BBC Model B, Electron, Spectrums, ZX81 etc...
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