Known Unknowns

We know that we do not know the following things:

How the power-on or quick-connect process works
What the first and last bits of data in the EEPROM are
How the Accelerometer LSB bits are arranged
How to play back sound correctly
What the Command Status report means
- besides that byte 3 is the command number, and all 0s in the other bytes indicates success?
What Output Report 0x10 does

Former Unknowns

Why the IR Sensor does not work consistently
- you need to wait for the 0x22 reports after each register/memory write.