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tdididit

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Posts posted by tdididit

  1. Posted

    7 hours ago, Ksarul said:

    You might want to decrease the width of those lands just a little--the PEB side port connector easily shorts across pins already when it moves, and the separation between them on your connector is pretty narrow. That will make the construction very sensitive to accidental movement.

    It's not a final version, i need make it longer & ENIG anyway.

     

    • Like 1

  3. Posted

    9 hours ago, mizapf said:

    Easy to check: If you have a CorComp controller, press Quit and check how long the floppy motor runs (after the beep; listen to the drive, maybe insert a noisy disk). If I use the given values, using a stopwatch I get about 1.4 secs for CorComp (3 secs for BwG/original TI controller).

     

    BTW, the 2793-based controller is now working in MAME. I'll do the revised one today.

     

    I'll call the original controller "ccdcc" (from its designation on the board, PEB-DCC), and the revised version the "ccfdc" (CorComp FDC Rev A).

    It is easy to check if you have PEB, but I don't have it and space to set it up. Thats why I am re-creating PEB cards for sidecar port :P

    I think that longer spin time was set by OG controller designers to be sure that floppy got right rotation speed before formatter chip start to read anything.

     

  4. Posted

    There is bit more errors in schematics and differencies between CC9900 revisions, including gluelogic.

    I started building my sidecar CC9900 now basing on TMS2793 formatter chip.

    At the moment waiting for pldanalyzer boards to rip PAL equations from PEB card I get from friend - TMS2793 CC9900

     

    palanalyzer.thumb.png.1759cbdb61a1f0e9987d2b14803cf08d.png

    • Like 3

  5. Posted

    5 minutes ago, gpaJeb said:

     Sounds like what I want,

    I gather that this sams also provides 32k ?

    and will eventually fit in the uPEB.

    SAMS is 32x 32k rampacks in one sidecar interface.

    Apps & games made for 32k expansion will work with SAMS

     

    Coming week I will show my pass-thru adapter for jedimatt42 pin connector standard.

    With it you will be able to connect uPEB or any other sidecar interface to SAMS or SAMS+TIPI expansions

    • Like 1
    • Thanks 1

  7. Posted

    uPEB (micro PEB) is my coming project.

    Sidecar rail for 2, 4 or 8 dedicated cards. Pass-thru so you can join together few rails or sidecar interfaces 

     

    uPEB card dimensions are 60x100mm

     

    I am working now on hardest CC9900 card. HDC, RS232, PRINTER & TIPI will go faster

    • Like 3

  8. Posted · Edited by tdididit

    I am not telling that nanoPEB is a bad product - idea is great, pcb made by auto-router tool not amaze me at all.

    Just trying to tell you how it works - old designs should be replaced by new or to evolve to stay on market.

    • Like 3

  9. Posted

    5 minutes ago, GDMike said:

    Yep, we, well others, have discussed this as my 32k doesn't work in my NanoPeb..it's all ok

    I remember, but i think that nanoPEB designer should do something with hardware compatibility.

    I get from my friend around 5 nanoPEBs, each looks different and each got other issues working alone.

     

    • Like 1
    • Thanks 1

  10. Posted

    2 minutes ago, GDMike said:

    Yes, I would love to finish my product using NanoPeb.. Owens ram drive as nice as it is, has dumped on me a couple times.. oh of course I love it as it has saved me lots of time at compilation time, but I Wish I has my own ramdisk, or get my NanoPeb to see a SAMs sidemount since I'm trying to make an application for that tales advantage of SAMs. But, it's all good

     

    First of all you should remember that SAMS and nanoPEB are not made to work together - SAMS will collide with 32k RAM from nanoPEB.

    Maybe you should ask about redesigned nanoPEB to be compatible with jedimatt42 32k rampack & SAMS?

     

    I think you should wait for my coming uPEB project where you will be able to decide what cards should be present in your system configuration.

     

    • Like 2

  11. Posted · Edited by tdididit

    5 minutes ago, GDMike said:

    I was looking at the NanoPeb. And Im not sure about the clearance for a sideport passthrough.. but I guess there is a connector?

    In nanoPEB indeed can be hard (not impossible), but you can install adapter on SAMS or TIPI and plug nanoPEB as a last sidecar device.

     

    Next week i will show how it looks "in live" - boards added to my pending boardhouse order, should be shipped monday

    • Like 2
    • Thanks 1

  12. Posted · Edited by tdididit

    It seems many tipi users struggle without passthru edge connector, so i made an adapter

     

    edge connector - can be soldered direct into any sidecar expansion without edge connector (lowest budget, minimal soldering skills needed)

    ti99-edgeadapter-edge.thumb.png.ee7fb975d0ebd26d27dffa091dca26f8.png

     

    adapter for barrel plug devices - plug & play

    ti99-edgeadapter-barrel.thumb.png.ada4b3942f69ea0030e564ff223cf340.png

     

    adapter for usb powered devices - plug & play

    ti99-edgeadapter-usb.thumb.png.0b3557a92cb387195bd76e24d4b73031.png

    • Like 4

  13. Posted · Edited by tdididit

    First view on assembled SAMS with mini USB connector :)

     

    88169097_2851901198257852_7365962860754632704_n.thumb.jpg.1825d9a15f9be25e4a819bcff4d33f66.jpg

     

    88313749_2783816491686819_4042526470008995840_n.thumb.jpg.ad621cf6370e2556bc67172740ab30ad.jpg

     

    20pcs assembled for arcadeshopper.com. 7+10pcs are waiting for parcel pickup.

    30pcs USB version left at EU stock.

     

    uPEB & CorComp 9900 FDC for uPEB soon :P

    • Like 10

  14. Posted

    1 hour ago, CosmicBoy said:

    I bought a lot of stuff at arcadeshopper in the past.

    But buying in the US is sometimes expensive for people from europe because of shipping and taxes.

    Its much cheaper to build stuff for yourself with good instructions like TIPI.

     

    TIPI & RAMpack32K parts you can order everywhere at one place for SAMS you cant. If you count cost of parts from your local distributors and you will find genuine MAPPER chip in total with shippings, customs and other costs you will be close to arcadeshopper webshop price anyway :)

    • Like 2

  17. Posted

    5 minutes ago, Asmusr said:

    That's very reasonable, but if shipping within the EU could be arranged I would rather use that, since custom duties from the US adds another $30 (at least). 

    While ago I told about it to Gregory. He doesnt have idea how it works here in EU.

    US citizens got 2.500USD declared value customs free limit :D not only 22EUR like we do

  22. Posted

    Just now, --- Ω --- said:

    Ah, okay!  I've not been following the thread until lately.  I just checked his site, but did not see listed yet.  I'll keep an eye out.  

     

    Hehe, I think he is sleeping and doesn't know yet that Sidecar SAMS passed the tests :)

    I think that on a days he will start pre-order or just put more detailed informations on his website

    • Thanks 1

  23. Posted

    1 minute ago, --- Ω --- said:

    Cool!  So I guess I need to know, how much?

    You should talk with Greg :) 

    Like I told before I designed it on his official request.

    He payed me for the design and this board will be available at arcadeshopper.com only

  25. Posted

    2 minutes ago, --- Ω --- said:

    I have a question:

    Are the dimensions of the new 1024K sidecar EXACTLY the same as the Jedimatt42 32K version?

    The reason I ask is because I'd like to know if it will fit in one of these...

    CASE.png.c10434e06560adde67917fef5e538d06.png

     

    Yes it is. When I start to design SAMS board, the first what I did was import Jedimatt42 32K board gerbers to have plugs, drills placement and dimensions of his interface.

    • Like 2
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