| Command | Request | Response |
|---|---|---|
| read byte from MCMTII's EEPROM | 'J', address, 0, 0, 0 | the_byte from EEPROM |
| read all from MCMTII's EEPROM (setup data) | 'K', 0, 0, 0, 0 | 48 bytes, containing the EEPROM's content as described below |
| saving setup (write to EEPROM) | 'L', address, one or two data bytes (see below) | none |
| get MCMTII's version | 'V', 0, 0, 0, 0 | a string up to 80 characters |
| flash EEPROM (put device in special programming mode) | 'M', 0, 0, 0, 0, followed by data: | none |
| dev_id (initialize transfer) | EB (IDACK) | |
| E3 (WRITEBOOT), address high, address low, length (10), checksum, {10 bytes data} | E7 (DATA_OK), E4 (WOK) (success) | |
| ED (DONE), {whatever?} | E4 (WOK) (success) |