Some people might spot something out of place in one of the photos and this would be a highly damaged Nsr250 Mc28 stock memory card running the HRC 030 ignition curve!
But let me get you back to the beginning.
More than ten years ago, my good friend Thanassis bought a few MC28 parts from a bike that had been involved in a major crash. The dash was totally destroyed, the memory card was broken in several places and the PGM4 is nowhere to be seen since the crash.
So, I had to...
a) work on the memory card and see if it can be repaired???!!!
b) If yes, is it possible to match it to work on another PgmIV unit?
c) If yes, can it also be reprogrammed to HRC specs?
a) The card had an issue with a broken PCB trace for the antenna that the card features to communicate with the main EEPROM, a couple of physically damaged capacitors and a transistor.
Parts were renewed, but I still couldn't tell if the card works or not, so it was kept at the corner of the desk for several weeks.
b) So, the next phase was to find the chance to match the card to another PGM4 unit.
Marv(UK) entrusted me with his PGM4 and two cards, one HRC card and one orphan card that he needed to be reprogrammed and matched to his bike.
So, I thought that I would finally have the opportunity to duplicate the code on “Thanassis” memory card and see if it works.
First time that I plugged it in …and to my great satisfaction, it’s back from the dead!
c) I should have called it a day, but I couldn't resist... why should you need an HRC card if you can reprogram a stock card with the HRC code in it?
But let me get you back to the beginning.
More than ten years ago, my good friend Thanassis bought a few MC28 parts from a bike that had been involved in a major crash. The dash was totally destroyed, the memory card was broken in several places and the PGM4 is nowhere to be seen since the crash.
So, I had to...
a) work on the memory card and see if it can be repaired???!!!
b) If yes, is it possible to match it to work on another PgmIV unit?
c) If yes, can it also be reprogrammed to HRC specs?
a) The card had an issue with a broken PCB trace for the antenna that the card features to communicate with the main EEPROM, a couple of physically damaged capacitors and a transistor.
Parts were renewed, but I still couldn't tell if the card works or not, so it was kept at the corner of the desk for several weeks.
b) So, the next phase was to find the chance to match the card to another PGM4 unit.
Marv(UK) entrusted me with his PGM4 and two cards, one HRC card and one orphan card that he needed to be reprogrammed and matched to his bike.
So, I thought that I would finally have the opportunity to duplicate the code on “Thanassis” memory card and see if it works.
First time that I plugged it in …and to my great satisfaction, it’s back from the dead!
c) I should have called it a day, but I couldn't resist... why should you need an HRC card if you can reprogram a stock card with the HRC code in it?
Let's remove the eeprom chip once again ...and eureka!!! :)
P.S I also did some work on the PCB for the LCD and it should now work, but I'm unable to find a LCD screen to try it out. If anyone knows a source, please let me know. I hope I don't need to find a solution here, either.
P.S I also did some work on the PCB for the LCD and it should now work, but I'm unable to find a LCD screen to try it out. If anyone knows a source, please let me know. I hope I don't need to find a solution here, either.
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