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Type: Posts; User: ki4swy

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  1. Replies
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    Yeah, not following the question, D81 is an...

    Yeah, not following the question, D81 is an non-commodore file naming convention, the commodore computer doesn't know what a d81 file is, You can use a ZoomFloppy or pc program to make a disk, but if...
  2. Thread: Pet Rescue

    by ki4swy
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    1,194

    Cool ! Thanks for sharing.

    Cool ! Thanks for sharing.
  3. Thread: Pet Rescue

    by ki4swy
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    1,194

    And thanks for the Quick Reply lastnight.

    And thanks for the Quick Reply lastnight.
  4. Thread: Pet Rescue

    by ki4swy
    Replies
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    1,194

    I would actually prefer SMD versions LOL.. I'm...

    I would actually prefer SMD versions LOL..

    I'm actually thinking of using the bad pcb(s) to make a all in 1 rom replacement :D that will also support basic 4.0 on the 2001/2001N , you will need to...
  5. Thread: Pet Rescue

    by ki4swy
    Replies
    24
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    1,194

    ^ it appears my email was stuck in draft, so he...

    ^ it appears my email was stuck in draft, so he actually never got my email until about an hour ago, and QUICKLY responded., and my web comment was stuck in his junk mail lol.. He just sent me an...
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    i would be ok with paying 100USD for a blank PCB,...

    i would be ok with paying 100USD for a blank PCB, plenty of profit there, also zero labor.
  7. Replies
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    ugg, yeah, same, rather just buy a blank pcb....

    ugg, yeah, same, rather just buy a blank pcb. already own most of those parts .
  8. Thread: Pet Rescue

    by ki4swy
    Replies
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    1,194

    I emailed him, and i made a comment on his...

    I emailed him, and i made a comment on his website, I have not heard anything, i even included the link to this post.
  9. Thread: Pet Rescue

    by ki4swy
    Replies
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    1,194

    Mike, Yep, I just finished up mocking the pinout,...

    Mike, Yep, I just finished up mocking the pinout, and wiring up these pcb(s), way easier to just ditch the 138 and resisters, here was the layout.
    ...
  10. Thread: Pet Rescue

    by ki4swy
    Replies
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    1,194

    yep, swapping pins 1/3 would result in Y6 being L...

    yep, swapping pins 1/3 would result in Y6 being L instead of Y3 , so that is valid as well.

    im going to have to look at it and see what i can do to salvage these, since the pet doesn't use have...
  11. Thread: Pet Rescue

    by ki4swy
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    1,194

    So here is the two versions side by side.. mine...

    So here is the two versions side by side.. mine have Copyright date of 2012 on them, maybe old stock?

    https://i.ibb.co/Sv5rB37/Difference.png
  12. Thread: Pet Rescue

    by ki4swy
    Replies
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    1,194

    Wow, yeah, NOT what i got.. I ordered 10, and...

    Wow, yeah, NOT what i got.. I ordered 10, and they are all of a different design..


    https://i.ibb.co/7pK89KX/6540-go4retro.png
    https://i.ibb.co/DVvgcVx/6540-go4retro-bottom.png
  13. Thread: Pet Rescue

    by ki4swy
    Replies
    24
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    1,194

    FYI.. i just got done looking for the PET 2001...

    FYI.. i just got done looking for the PET 2001 scheamtic and added some notes:

    2 /CS5 -> LS138 PIN 5 /G2B Input ( Active Low for Select ) * ALWAYS LOW, could tie to ground.
    3 /CS4 -> LS138 PIN 4...
  14. Thread: Pet Rescue

    by ki4swy
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    1,194

    I also ordered a bunch of these: ...

    I also ordered a bunch of these:

    http://vic-20.de/x1541/hardware/petram.html

    I will have plenty left over, and can probably pre-program the gals for them.
  15. Thread: Pet Rescue

    by ki4swy
    Replies
    24
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    Another Gotcha, is the PIA for the Keyboard is...

    Another Gotcha, is the PIA for the Keyboard is BACKWARDS from all the other chips... Pin 1 is to the LEFT not the right. Go Figure.
  16. Thread: Pet Rescue

    by ki4swy
    Replies
    24
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    1,194

    Correct, that is the same with mine, thankfully i...

    Correct, that is the same with mine, thankfully i was able to just use my FLUKE to sign test a rom in each socket and i then labeled what address they belong :D

    It also helped me identify socket...
  17. Thread: Pet Rescue

    by ki4swy
    Replies
    24
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    1,194

    The Adapters came and had the following pin...

    The Adapters came and had the following pin mappings to the LS138:

    6540 Pin , Pin Desc, LS138 Input Pin.
    2 /CS5 -> LS138 PIN 3 C Input
    3 /CS4 -> LS138 PIN 2 B Input
    4 /CS3 -> LS138 PIN 1 A...
  18. Thread: Pet Rescue

    by ki4swy
    Replies
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    1,194

    Fluke Signatures: ...

    Fluke Signatures: <rom> <sig> <location>

    rom-1-c000.901439-01.bin 1499 LOC H1
    rom-1-c000.901447-01.bin 1499 LOC H1

    rom-2-c000.901439-09.bin B332 LOC H1
    rom-2-c000.901447-09.bin B332 LOC H1...
  19. Thread: Pet Rescue

    by ki4swy
    Replies
    24
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    1,194

    Pet Rescue

    So, friend brought over a PET 2001 ( 6540/2114 v2 ) PCB.. after replaceing all the rusted chips, and corroded rom sockets, I was able to get it backup, of course not only after i toasted my pet vet....
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    why not move to something more modern for this? I...

    why not move to something more modern for this? I have build a USB adapter for my Fluke 9100 test gear that had a custom interface, maybe the same could be done here?
  21. Thread: PetVet

    by ki4swy
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    I talked to mike, I actually did buy two...

    I talked to mike, I actually did buy two romulators, but would be nice to fix my pet vet, He is going to try to get it back up on his github..

    core, i will shoot you a PM.
  22. Thread: PetVet

    by ki4swy
    Replies
    5
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    394

    PetVet

    Does anybody have the Source/documentation for the PetVET ? seems Mike pulled everything down from GitHub.. can't find anything, I have a PetVet that has died, and need to replace the Atmel, but need...
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    ok, issue fixed, there was a broken trace at a...

    ok, issue fixed, there was a broken trace at a via , i removed the egret chip and cleaned up under it, but that was not needed, the broken trace was located before the egret.
    ...
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    ok, i think i may have found it, it , i appear to...

    ok, i think i may have found it, it , i appear to have an "open" between Pin 20 ( PA6 ) and the Resister junction of the 22 Ohm Resister and Pin 1 of the ADB Port.

    pin 1 is reading 470ohm to 5v...
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    The LC III doesn't list the part number, but the...

    The LC III doesn't list the part number, but the LC II shows it as a 1AM which is a MMBT3904 seems pretty standard design, Pin 20 ( PA6 ) to ADB Data Pin 1, and connected to the Collector of the 3904...
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