Things You Will Need
- A PIC Programmer https://amzn.to/3uc3hk3
- 12C508a PIC chips - www.digikey.com/product-detail/en/microchip-technology/PIC12C508A-04-P/PIC12C508A-04-P-ND/273436
Burning MM3 Modchips
- Download the MM3 Code and Required Software Download
- Extract the downloaded .zip file (PW: i12bretro)
- Install the PL2303 PIC programmer driver
- Plug the USB PIC programmer into an open USB port on the PC
- Right click on the Start button > Device Manager
- Expand Ports (COM & LPT)
- Note the COM port number listed with the Prolific USB-to-Serial device
- Run the microbrn.exe file from the earlier download
- Select 12C508a from the Chip dropdown
- Insert a blank 12C508a PIC chip in the PIC programmer matching the orientation and location diagram shown on screen
- Select File > Programmer > K150
- Enter the COM port found in Device Manager earlier
- Wait for the microbrn software to find the PIC programmer and the status to say Ready
- Click the Read button
- A blank PIC chip should show all FFFFF....
- Click the Calib button > Copy the last two digits of the OSCAL value for later use
NOTE: don't lose this value. Save it into Notepad or take a screenshot as you work on each chip
- Click the Load button
- Select No when asked to save the current Data file
- Browse to the extracted download from earlier
- Select the MM3 .hex file for the region of the console that is being modded: USA, Europe or Japan
- Click the Calib button again > Enter the two digits noted earlier to set the OSCAL value
- Click Yes to confirm the change
- Scroll to the bottom of the data output and confirm the OSCAL Value
- Click the Program button to write the data to the PIC chip
- Click Yes to confirm
- Once the data is written to the PIC chip click OK
- Click the Verify button to read the data from the chip and verify it against the MM3 data in the editor
- You have successfully burned a MM3 modchip and it's ready to be installed in an original PlayStation console