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Type: Posts; User: jltursan

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  1. Yep, it's just a matter of build the right cable...

    Yep, it's just a matter of build the right cable and it works :-)

    The evolution to a more compact unit is the PC-80S31, a really nice disk drives set.
  2. One of my PC-8031 units were repaired long ago, I...

    One of my PC-8031 units were repaired long ago, I remember having only two issues, a shorted tantalum capacitor in the 12V rail and a badlogic IC, I can't remember the exact one, a LS357 comes to my...
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    Sorry for this thread necromancing; but as...

    Sorry for this thread necromancing; but as finally an Hektor III emulation is on the way thanks to the MAME's team, the real Hektor III docs could be of great help, specially the ones that describes...
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    SamDisk supports both ways as it has D88 and raw...

    SamDisk supports both ways as it has D88 and raw formats available as input and output so you must definitely give it a try.

    Of course if you need something more specific there's nothing better...
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    Thanks! You must give it a try to Simon Owen's...

    Thanks!

    You must give it a try to Simon Owen's SamDisk!, it supports out-of-the-box the D88->raw conversion. I cannot give too much details about it as I haven't tested this yet; but writing D88...
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    Great news!. Seems a hard task, there's close to...

    Great news!. Seems a hard task, there's close to nothing about the machine in the web and it's a shame, looks like a pretty neat machine.

    I'll get some pics of it, stay tuned
  7. As the 6001 needs +12V,+5V and -12V it would be...

    As the 6001 needs +12V,+5V and -12V it would be easy to replace it with an ATX PSU (picoPSU preferably). I've never repaired my 6001s; but my 6601 has a new ATX PSU and it uses the same voltages.
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    Mine, a PC-1640, is working fine with a XT-IDE...

    Mine, a PC-1640, is working fine with a XT-IDE card and a 2GB CF. I've installed PCDOS 7 (the best one I've found so far) and it works flawlessly, the DIR command keeps me waiting a lot until it...
  9. And keep in mind that if the PC-6001 uses 4116...

    And keep in mind that if the PC-6001 uses 4116 DRAMs (most probably) and the power rails are faulty, the RAM could also be bad. These ICs are very sensible to failures of their three voltages.
    ...
  10. Probably, a plipbox...

    Probably, a plipbox device could be the simplest solution for the A500.
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    Really nice!, thanks for sharing!

    Really nice!, thanks for sharing!
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    Yep, at least for MSX machines you'll find...

    Yep, at least for MSX machines you'll find SymbOS, an advanced 8-bit multi-tasking OS that can easily manage 1MB RAM, you can open several apps without effort. Above the 1MB barrier, I remember...
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    With extra hardware (say, a RAM cartridge with...

    With extra hardware (say, a RAM cartridge with memory mapper), you can break the theoretical 4MB limit a standard mapper can handle. I've a Playsonic cart that comes with 12MB RAM (!), although I've...
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    MSX has tons of good applications, not only...

    MSX has tons of good applications, not only japanese but also from dozens of countries. As the MSX standard spread all over the world, you'll find tools from american, european, arabic or asian...
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    Yep, Mame project has the Osborne as one of their...

    Yep, Mame project has the Osborne as one of their targets. The emulator runs fairly well...


    https://www.youtube.com/watch?v=ptoGMcls9RM
  16. Thread: 6502 vs 65C02

    by jltursan
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    3,088

    Just in case you get a working W65C02S, you can...

    Just in case you get a working W65C02S, you can check this old thread
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    May I ask who is selling this multicart?, seems...

    May I ask who is selling this multicart?, seems that I'm not able to find any useful reference over the web...:-(
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    Hey, good to know!. Thanks for sharing with us...

    Hey, good to know!. Thanks for sharing with us your experience :)
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    As I don't have Apricot machines I can't offer...

    As I don't have Apricot machines I can't offer real knowledge; but it's obvious it's not a lubbing problem (this failure is very, very noticeable by a sticking insertion/eject mechanism), so, to be...
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    Have you checked pages like?: ...

    Have you checked pages like?:

    https://retrocomputerverzamelaar.nl/commodore-64-problems/
    http://retro64.altervista.org/blog/commodore-64-repair-a-quick-guide-on-the-steps-required-to-fix-it/...
  21. A good amount of software could be converted to a...

    A good amount of software could be converted to a CP/M executable. If it isn't a BASIC program (guess not) you can add a header to relocate the bdata and jump to the start address, run it from $0100...
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    I'm afraid I'm in the opposite side, I'm used to...

    I'm afraid I'm in the opposite side, I'm used to found these drives in all old Sony SMC machines (SMC-70 & SMC-777), the Sord M23P or HP external drive units and none of them have failed me...yet....
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    Thanks for the diagnosing!, indeed, I've swapped...

    Thanks for the diagnosing!, indeed, I've swapped drive positions and no change at all, I've also swapped again PCBs and definitely both are OK, the failure remains in all cases with the mechanism....
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    It must be something related to the writing...

    It must be something related to the writing procedure as reading seems to work fine, really weird. The motor is constantly spinning so the signal must be present, I can check if it's loosing the...
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    Thanks!, yep, INDEX seems to pulse (checked with...

    Thanks!, yep, INDEX seems to pulse (checked with a logic probe) correctly, I can clearly see while reading the disk. I suposse that it means the sensor works fine.

    If I try to format, it "pulses"...
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