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Type: Posts; User: spark2k06

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  1. Replies
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    About slot 8 I can not tell you because I have...

    About slot 8 I can not tell you because I have only used it on a Sergey's Micro8088. About the I / O ports, this is configured through the IC SPLD that it has into a socket. This can be configured...
  2. Because the application itself, developed with...

    Because the application itself, developed with AutoIT (attached in the project directory, is the .au3 file), is, in turn, a portable application that makes use of several necessary files, from 7z, to...
  3. Click&Play is already the name for an old...

    Click&Play is already the name for an old predecessor of Multimedia Fusion, I renamed the project to Easy7zPortable in order to avoid legal problems:

    https://github.com/spark2k06/Easy7zPortable
  4. Click&Play, create portable executables by integrating any emulator easily

    Click&Play allows carrying out portable executables in a simple way, perfect for integrating with emulators. Binary, source and documentation available in my GitHub repository:
    ...
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    Just having enough to cover the cost of a PCB run...

    Just having enough to cover the cost of a PCB run on my part is enough. I do it for fun and mainly to give a solution to my current configuration of my NuXT motherboard, by the way ... I think it...
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    New design for better finishing of slot and...

    New design for better finishing of slot and updating silkscreen for better combinations of I / O ports:
    ...
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    Well, according to this website...

    Well, according to this website the ports are:

    220h or 240h (selectable) and 388h -> Sound Blaster Pro II, 16, 32, AWE32/64 and Live, ESS 688, etc.

    Only 388h -> Adlib Gold, Windows Sound System...
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    Internal OPL3 ISA 8 bits (PCXT)

    I designed a new low profile OPL3 sound card from the scheme provided by the existing TexElec Resound OPL3 in which, as you can see, it is a four-channel sound card based on the Yamaha's YMF262 chip...
  9. If they are HASL finished instead of ENIG + Gold...

    If they are HASL finished instead of ENIG + Gold Fingers and I had to bet, I would bet that is the reason.

    In that case, try cleaning them with isopropyl alcohol.
  10. Replies
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    I have tested your solution and for those XT...

    I have tested your solution and for those XT systems that do not have the adapted BIOS it is perfectly valid:
    ...
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    Kicad project, gerbers and SPLD files already...

    Kicad project, gerbers and SPLD files already available:

    https://github.com/spark2k06/hardware/tree/master/RTC8088
  12. Replies
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    They are very pretty, but are they sold today?...

    They are very pretty, but are they sold today? Where and for how much? Are they configured on the standard port 70h?
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    Now available in Tindie, soon will publish the...

    Now available in Tindie, soon will publish the gerbers, the Kicad project and the SPLD files.

    https://www.tindie.com/products/spark2k06/rtc-isa-8-bits-v2-very-low-profile-spld/
  14. Replies
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    The machine to which it is intended is an XT, and...

    The machine to which it is intended is an XT, and I think that not everyone has RTC unlike AT. In my case, and more specifically, I built it to use it on my Micro8088, to which I modified its BIOS to...
  15. Replies
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    New design removing discrete logic and replacing...

    New design removing discrete logic and replacing it with an SPLD:
    ...
  16. Sold both!

    Sold both!
  17. Replies
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    Now I offer this product through Tindie for whom...

    Now I offer this product through Tindie for whom you may be interested, kit or fully assembled:

    https://www.tindie.com/products/spark2k06/rtc-isa-8-bits-very-low-profile/

    I have modified the...
  18. Replies
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    Posted in Hackster. It includes gerbers, scheme...

    Posted in Hackster. It includes gerbers, scheme and board (Eagle). BOM also lists links to purchase them. Everything is published under the GPL3+ license:
    ...
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    RTC ISA 8 bits (Very Low Profile)

    I share a variant of the SMBacker RTC design:

    https://github.com/spark2k06/hardware/blob/master/RTC8088.png?raw=true

    Gerbers availables on OSHPark

    This design consists of a very low profile...
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    Now discounted for the latest units of the PRO...

    Now discounted for the latest units of the PRO version and back in stock of Basic version, with improvements over the previous batch. :cool:
  21. xD, I get it.

    xD, I get it.
  22. Damn Google translator ... I'm sorry with English...

    Damn Google translator ... I'm sorry with English and thanks :-)
  23. Correct, all the information is now public ;-)....

    Correct, all the information is now public ;-). Nor did he want to send spam with this case, so he wanted to go into private details to potential stakeholders.
  24. I'm sorry, does PECAK mean broken? Okay, I go...

    I'm sorry, does PECAK mean broken? Okay, I go into detail, one of them sure, yes ... the RS232 transceiver was upside down, the board booted but obviously the serial port did not work. When...
  25. The problems have been due to other causes...

    The problems have been due to other causes related to the assembly, they were the first two that I assembled. It has nothing to do with the revision of the board, which is already correct (v1.2).
    ...
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