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200LX and USB Mass storage

_dev-null Page Icon Posted 2022-03-10 7:52 PM
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Factorite (Elite)

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A Jornada 720 with USB! The LX folks: Hold my beer! - https://twitter.com/kiwapebretech/status/1472574246832381956

Stefan
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C:Amie Page Icon Posted 2022-03-10 7:59 PM
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Epic! You da' man.
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Jake Page Icon Posted 2022-03-10 9:44 PM
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Extraordinary. Well, well done.

Jake
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C:Amie Page Icon Posted 2022-03-11 9:54 AM
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As it's using the serial bus. Could a little box be 3d printed to house it. Possibly having a USB port and a CF card reader in it?

Imagine if you could mount two devices through it and give the 200LX a CF card slot *mind blown*
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Mjolnir Page Icon Posted 2022-03-11 11:45 AM
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Great work!
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radiance32 Page Icon Posted 2022-03-12 1:22 AM
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Very nice and interesting...

It's a pity though that it's only RS-232 and not Parallel or PCMCIA,
as the top speed of the RS-232 port is 115200 baud, which is 14.4KB/sec... 70 seconds to copy one megabyte,
and that's not considering any filesystem/translation/protocol overhead etc... worst case maybe even 2 minutes per megabyte...

So it's useful for doing things like taking backups or loading files/games onto the palmtop,
but not for interactive use, eg running games/apps straight off the USB stick...

I'd love to see someone come up with some firmware to have it support a USB mouse and translate the USB mouse proto into RS-232 Microsoft serial Mouse proto,
that would be really cool, being able to use modern USB laser mice...

Cheers,
Radiance
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