CosmosEX mini?

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simonsunnyboy
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CosmosEX mini?

Postby simonsunnyboy » Sun Jan 22, 2017 10:32 am

A few weeks ago on Facebook somewhere, a new batch of CosmosEX devices was announced. This included a mini or somewhat feature reduced version but I cannot remember the details.

What features are planned for the mini/reduced version? How about the projected pricing?
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Re: CosmosEX mini?

Postby Jookie » Tue Jan 24, 2017 4:52 am

From the survey:

MicroCosmos: HDD and IKBD emulator
This will be a smaller and cheaper version of CosmosEx, without floppy emulation. If you don't connect Raspberry Pi to it, it will work as HDD emulator (using SD card) - like SatanDisk (but faster), or like UltraSatan (but cheaper). Good for every
price without Raspberry Pi: 45 Euro
price with Raspberry Pi: 85 Euro


Now that I'm closer to the batch, I would change it to this:
MicroCosmos - ACSI HDD only - SD card, USB drives, network drive - 45 Euro
MicroCosmos - ACSI HDD + IKBD - SD card, USB drives, network drive, IKBD interface - 55 Euro (+10 Euro to the previous because of needing +2 chips and more soldering)

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Re: CosmosEX mini?

Postby simonsunnyboy » Tue Jan 24, 2017 4:28 pm

Thanks for clarification! Basically all features except floppy interface.
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Re: CosmosEX mini?

Postby Jookie » Tue Jan 24, 2017 4:40 pm

Yes, and smaller dimensions, thus smaller case which wouldn't be so easy to mount inside of ST, but it's smaller and cheaper :)

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Re: CosmosEX mini?

Postby 1st1 » Tue Jan 24, 2017 4:45 pm

ACSI or ACSI/SCSI-Version?
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Re: CosmosEX mini?

Postby Jookie » Tue Jan 24, 2017 4:55 pm

ACSI or ACSI/SCSI-Version?


ACSI only... There's no place for the huge 50 pin SCSI connector there... There could be an extension board which would add that SCSI connector, but I'm not sure where it would be placed (next to it, on table?) as it wouldn't be a single nice PCB with the rest of the device... Also you would have to replace some resistors on the main PCB. The small dimensions of the Micro version go against having it nicely switchable between ACSI/SCSI. I don't say it isn't possible, but it would be difficult, or I'll have to think this through better... (it's prepared to be switchable to SCSI, but the need for the long extra connector is something I don't have figured out completely.)

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Re: CosmosEX mini?

Postby rpineau » Tue Jan 24, 2017 5:43 pm

what about using a SCSI-2 connector, they are smaller :
http://www.retrotechnology.com/herbs_st ... drives.jpg

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Re: CosmosEX mini?

Postby Jookie » Wed Jan 25, 2017 4:50 am

what about using a SCSI-2 connector, they are smaller :
http://www.retrotechnology.com/herbs_st ... drives.jpg


Yes, but they are also too expensive (like 5 or 8 euro per piece) and they probably still wouldn't fit. The MicroCosmos will be of size of Raspberry Pi, longer sides are taken by other connectors, and shorter sides are too short for 50 pin connectors, even if they would be HD50...

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Re: CosmosEX mini?

Postby leech » Wed Jan 25, 2017 5:15 am

Ever thought of making an IDE / CosmosEx, so it'd still have floppy/hard drive features, but can fit in either a stock Falcon, or Mega ST/e/TT with an internal IDE mod?

Maybe that's a bit off topic, but the 2.5" IDE connector would certainly fit on a 'mini' right?
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Re: CosmosEX mini?

Postby Jookie » Wed Jan 25, 2017 6:27 am

Ever thought of making an IDE / CosmosEx


Yes, but it's way to much work to be worth it - it would need a completely different firmware for chips, lot of development on the Atari driver side... It would take 6 to 12 months of development, which I consider too much for this, as most people are fine with ACSI and SCSI.


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