CHINON FX-354

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grazey
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CHINON FX-354

Post by grazey »

Hi Guys,

I'm having trouble with an old external floppy.

It's a CHINON FX-354.

By default the drive is set as Drive A: , however I would like it set up at B:

I have searched the web but can not find the correct jumper settings. I have experimented and tried multiple settings but none set it to B:

Any ideas? (I have attached a photo of the current settings)
IMG_4509.JPG
IMG_4509.JPG (164 KiB) Viewed 3526 times
GRZ
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rubber_jonnie
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Re: CHINON FX-354

Post by rubber_jonnie »

So first off, what machine are you trying to connect it to? For Atari ST all drives need to be set to DS0 to be seen together.
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...
grazey
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Re: CHINON FX-354

Post by grazey »

MegaSTE
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rubber_jonnie
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Re: CHINON FX-354

Post by rubber_jonnie »

Then AFAIK you will need to have it set to DS0 and connected to the external floppy port in order for it to run. Does it work as a drive A when set to DS0 and connected to the internal drive connector?
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...
grazey
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Joined: Sun May 10, 2020 10:59 am

Re: CHINON FX-354

Post by grazey »

Yes, that's what I've found.

The floppy only works when set to DS0 (like in the photo).

However, this means the internal floppy doesn't work. For example, if I autoboot with a disk in the internal drive and one in the external drive it boots from the external drive.

I can not use the internal and external together.

I'm writing a floppy imager program, I thought my crappy code was at fault, but it seems not :)

GRZ
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rubber_jonnie
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Re: CHINON FX-354

Post by rubber_jonnie »

Ok, unusual.

I'd assume that it would work the same as any ST, whereby you would have both drives set to DS0, and the ST does the deciding of which is A: and Which is B:.

At least that's the way my external drive works on all my STs, though I have to say I've never tried it on my MSTE as I have that network connected with a CosmosEx, so no need for 2 FDDs. Otherwise works fine on my STs, Mega STs and STEs.

I certainly never had any of those try and boot from B: before.

Wonder if the MSTE is different? I don't know enough about it as not had it long.
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...
grazey
Posts: 6
Joined: Sun May 10, 2020 10:59 am

Re: CHINON FX-354

Post by grazey »

Ok,

I'll try the drive on my STFM to narrow things down a wee bit.

GRZ
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rubber_jonnie
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Re: CHINON FX-354

Post by rubber_jonnie »

Good stuff.
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...
grazey
Posts: 6
Joined: Sun May 10, 2020 10:59 am

Re: CHINON FX-354

Post by grazey »

Testing Done

Ok, spooky indeed!

External drive works fine on my 1040 STFM

But not on my Mega STE!

On the Mega it continues to act as Drive A, so I can't use the internal drive.

Grz
czietz
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Re: CHINON FX-354

Post by czietz »

In the MegaSTE, check jumpers W401 and W402 for the correct settings:
https://docs.dev-docs.org/htm/search.ph ... +Schematic
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