![]() ![]() ![]() This was somewhat problematic on those old consoles because of the CD wear issues, which resulted in the timing being very inconsistent between different machines. Mayumi 2.x and the MM2.x series chips were pretty good, but they all used the same basic approach that timed the boot process and used the x1/x2 line from the CD controller to work out where in the boot process the console was. None of the old chips managed 100% stealth on PU-7 and PU-8. But why do you want to play ntsc games? Is it because of some games were only released for ntsc or because of the speed 50/60hz?Ĭan some post/link a picture of the color correction of my board too? Is it worth it? To play ntsc games properly. I have also read about the color correction mod. How do you count the pins of the pic? Like on some pictures that I have seen says pin 1-6 with arrows on the solder point.ĭo you guys have any tips/tricks for me? Links? I bought double of the pics because the 12F chip doesn't seem supported by the k150 programmer? Which chip do you think that I should use?Ĭan someone link/post a picture with the wiring of the modchip for my motherboard?(MM3 if you think that's the way to go ). Which chip/program is the "best" for my system/board?(MM3?) Like most advanced. I have bought a K150 programmer, 2x PIC12C508A, 2x PIC12F508(I also bought a socket for the pic so I can switch the chip easy if i need). I'm looking to mod the ps1 with a modchip. ![]() This section has photos of some successful installations which you can use to get a better understanding of how everything is wired and positioned.I just bought a Ps1 SCPH-1002(PU8) last weekend. Flatten the legs of the chip so it can more easily fit underneath the board.Placing the chip in between the circles for pins 3, 5, and 6 seems to be the ideal location.The high speed clock line (pin 2) needs to be especially short and carefully routed.Cut your wires to be as short and direct as possible.Here are some tips I have for you when you are soldering your chip into the PU-18. Just don't apply too much pressure or you might knock the capacitor off of the board. ![]() PU-18 Mayumi v4 modchip installation diagramĪll of the points are fairly easy to solder to, with the only tricky point being pin one. This board was used with a wide range of consoles from the SCPH-5000's, and SCPH-5500's, to even some SCPH-7000's and SCPH-7500's.įor more information about Mayumi v4 chips click here, for more information about PS1 modchips click here. ![]()
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