How to identify a QI console
I just received a new console and I suspect it's a QI. It looks similar to a QI console I used to have. I had recently traded away my QI console before I really knew what it was. Turns out it was a (rare?) 1981 QI console.
I remember discovering some differences before I got curious and opened it up. The cassette port was beige (not black) and looking through the vent holes underneath, the keyboard was behind a shield. The side connector shield was aluminum, not copper. Inside I disco
The main best 100% way to know if it is QI is to open it up and look at board, if it does NOT look like this it is NOT a QI
There is a few batches of QI boards with the OLD non v2.2 GROM in it.
And there is few batches of NON-QI boards iwth the new v2.2 GROM on it.
As for 2 pin power plugs I see those on NON-QI boards, so there is some later /4a boards that use a newer power supply.
And keyboards switch between all models, and so do the beige and non-beige joystick/cassette