Just traded my MS1 for an MSPNP2, a V1.2 with a red board.
It seems to be powering up fine, it primes the fuel pump and the #1 and #2 LEDs turn green.
I cannot however, connect to it via my laptop. I've tried 2 serial cables and 2 USB-serial adapters, including one I bought from DIY and have tuned dozens of megasquirts with.
I've plugged it into Oregonmon's unmolested wiring harness and it does the same thing. His is wired for VVT, '01+ CKP/CMP, and sequential injection, so it didn't run on his.
Mine currently has nothing bolted to the exhaust side of the block, so I can't try to run it on mine either, although I have no idea what kind of map is on the car anyways.
I've also tried connecting it to the firmware uploader, no go.
I'm wondering if there's a jumper that's been moved?
Anyone have anything for me to try?