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Author Topic: CompactFlash 8 bit bus integration. (Read 1251 times)

Offline BruceTanner

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Re: CompactFlash 8 bit bus integration.
« Reply #15 on: 2017.June.27. 13:25:59 »
there are a lot of skilled individual genius trying to create the definitive "All in One" card
From my point of view: I did not set out to create an all-in-one card, I set out to create a network card made using "hobby friendly" electronics appropriate to the 30 year old Enterprise, so no little tiny surface mount chips, no magic programmable devices, just big old-fasioned chips. But when word got out about EPNET the constant feedback I heard was "more RAM", and then I heard Compact FLASH had an 8-bit mode... So it wasn't a case of "shall I do Compact FLASH or SD": CF was almost free and easy, SD wasn't. So it became a multi-function card.

And there has been more group work than you have seen on the public forum: lots of expertise (and even source code) from zozo on EXOS/EXDOS/Enterprise and lots of expertise on the internet/TCP/IP from lgb, for which I am thankful :ds_icon_cheesygrin:. Group work would be a lot easier if we lived in the same country! :roll:

Soon I will need help with something else: the User manual is ~50 pages, all in English...

Online gflorez

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Re: CompactFlash 8 bit bus integration.
« Reply #16 on: 2017.June.27. 13:40:53 »
Of course, I offer myself for whatever you want, it could even be translated to several languages just as was done with the EnterMice Wiki.

Offline Zozosoft

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Re: CompactFlash 8 bit bus integration.
« Reply #17 on: 2017.June.27. 13:56:16 »
card made using "hobby friendly" electronics appropriate to the 30 year old Enterprise, so no little tiny surface mount chips, no magic programmable devices, just big old-fasioned chips.
Mega like! :smt038

Offline BruceTanner

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Re: CompactFlash 8 bit bus integration.
« Reply #18 on: 2017.June.27. 16:09:03 »
This topic has made me wonder...would there be any demand for EPNET without a network module? :lol::lol: :lol:

So: 64k/128k FLASH for putting ROM images into, up to 512k RAM*, Compact FLASH mass storage.

The network module costs around 25 GBP/8800 HUF so it would be that much cheaper.

B.

* 512k total "ROM"+RAM  so: 512k RAM no ROM; 448k RAM 64k ROM; or 384k RAM 128k ROM. You need EXDOS in the ROM to use the Compact FLASH and that takes 32k

Online gflorez

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Re: CompactFlash 8 bit bus integration.
« Reply #19 on: 2017.June.27. 16:58:48 »
Ram/Rom and Mass Storage are the higher priorities for an user, I think, so  a cheaper upgradeable card can be also a big success.

Offline pear

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Re: CompactFlash 8 bit bus integration.
« Reply #20 on: 2017.June.27. 17:10:06 »
I'm actually on vacation, but the groupwork is a very good idea :)

Offline Zozosoft

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Re: CompactFlash 8 bit bus integration.
« Reply #21 on: 2017.June.28. 11:47:36 »
SD is the ideal, but there are CF to SD adapters that can suit us.
Also exist a direct SD to IDE adapters.

Quote
Directly an IDE disk is nowadays difficult to find
I have least 100 :-D

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and less useful than a CF.
Yes, mostly because it is need a external power supply. For a memory cards possible use 5V from the interface card.

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On the other side, the SD is constantly evolving, there are a lot of formats, SDSC, SDHC and SDXC only compatible backwards.
These are only software differences, the Enterprise SD interface compatible with all, also including MMC.

Online gflorez

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Re: CompactFlash 8 bit bus integration.
« Reply #22 on: 2017.June.28. 12:29:09 »
Also exist a direct SD to IDE adapters.

Yes, I have one of that with 44 pin, very useful for old laptops.

I have least 100(IDE HDs) :-D

Overdose!