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Rio

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Rio last won the day on October 3 2020

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About Rio

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    MIDIbox Guru
  • Birthday 04/26/1978

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  • Location
    Germany
  • Interests
    Music, 8Bit, Synths

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  1. I also use LPC17 for programming (even today). I only use the LPC-Link debugger to flash the MIOS32 bootloader with the NXP IDE once. Then I program in a simple text editor. I just compile via 'make' and upload the hex via MIOS Studio with the bootloader onto the LPC17 - at least that's the way I'm going. If something really goes wrong in the bootloader area, you can re-flash it with NXP IDE via LPC-Link again (I never had any problems with it, except that I had to reconnect the LPC-Link debugger board for the special case).
  2. In the end, I just ordered a pair of armsid. I am not sure, but you mean the second 2sid is just a dummy for a better routing of a second audio out?
  3. As I understand it, the second or triple SID mode is only available in conjunction with the 2SID card and a special wiring, right?
  4. Question: Why should you go for an ARM2SID with second 2SID? 2x ARMSID would work just as well, right? the price difference is not that huge. @dwestbury: Did something on the PCB have to be changed to connect the second 2SID? Does the 2SID only work in conjunction with the other chip?
  5. Take a look here: you have to adjust your config / paths correctly. best regards, Rio
  6. The LPC17 is not bad and should work for the purpose, but it's outdated and the direct successor is the STM32F4. If you haven't bought anything, then go for the 'newer' board. But I don't have an AINSER 64 and can only say what is generally known about the cores. (PCBs can be purchased from 'modular addict').
  7. My seq is powered external, not by usb.
  8. Is it actually allowed and functional to connect an usb hardware controller directly as USB input of the SEQ via an usb-b-male to usb-b-male cable (so as not to need a computer)? Would that even work or even damage one or the other device? technically speaking, the communication is only possible via drivers, right? greetings, rio
  9. Hello, I've been using my own MBSIDv2 with an original C64 PSU for years. I use the following power circuit from Thorsten (mbhp_8xsid_c64_psu_optimized.pdf) - I have no noise, hum on the audio outputs. Everything is going great, so far so well. Since the C64 PSUs could be prone to overvoltage (after 40 years), I wanted to switch to the alternative. So I decided to use this: Electroware - C64 PSU With this power supply I have the mains hum on the audio outputs. Another Electroware PSU will behave the same way, so the PSUs themselfes are not defective. I mix 6x SIDs on 2 cha
  10. Ich habe nochmal zur Veranschaulichung die Verbindungen (verbessert) aufgezeichnet. Vielleicht wird es dadurch etwas klarer. Das Brummen kommt auch, wenn ich gar nicht die Mixerschaltung (mit Strom und Audio) anschliesse und direkt den Audioausgang des SID1 Paares abhöre (jedoch die beiden SID Paare 3 und 4 übers Datakabel angeschlossen hab). Das Brummen ist halt dann nur nicht so laut. Wenn alles so wie dargestellt verbunden ist, verschwindet das Brummen sofort, wenn ich z.B. SID3 (6581) L oder R vom Netz (14V) abziehe oder die beiden SID1 (8580) vom Netz (14V) nehme. Es scheint mir ein
  11. Nehme ich die SIDs einzeln ab, habe ich auch ein Brummen drauf. Erst wenn ich die Sid-boards vom Strom (+14V) ziehe (beim 6581 reicht eins oder bei den vorderen 8580 boards beide abgezogen), dann ist das Brummen weg. Es liegt meines Erachtens also weniger am Mixer ..
  12. Die frage ist auch ob's überhaupt am mixer liegt - aber die Wahrscheinlichkeit ist hoch. Und die Frage ist immernoch, was die Ursache fürs Humming im Audioweg ist, sobald über den Mixer mehrere SIDs angesteuert werden. Anderfalls könnte ich auch mal die Ausgänge einzeln abnehmen um den Beweis zu bekommen, ob der Mixer tatsächlich die Ursache ist. ich kam nur noch nicht dazu, bzw. lohnt sich vllt. gleich der Aufbau des anderen Mixer.
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