Mayumi 4 | PIC12C508A | SCPH-5502 | PU-18

There are eight points to solder in total.
There are eight points to solder in total.
Above is the pinout, from pin 1 through to pin 8.
Above is the pinout, from pin 1 through to pin 8.

Mayumi 4 supports four different modes on the SCPH-550x model / PU-18 board. To change modes, press and hold reset for two seconds.

Mayumi v0.9 mode –> Mayumi v1.0 mode –> Old mod-chip mode –> Disable mode

v0.9 Mode
Supports many anti-modchip games.

v1.0 Mode
Supports even more anti-modchip games.

WDT_OFF, ExtRC_OSC, MCLR_OFF

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