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Dragon has the die of the combined Rohm RTC+EEPROM chip inside its own chip package, however, the EEPROM pins are exposed on the package, and the connection between Dragon and the RTC+EEPROM is done externally on the motherboard.
Dragon has the die of the combined Rohm RTC+EEPROM chip inside its own chip package, however, the EEPROM pins are exposed on the package, and the connection between Dragon and the RTC+EEPROM is done externally on the motherboard.


Every MechaCon has a 3.5 V TTL UART interface exposed on test pads that was used by service centers for example to readjust the drive and write calibration data etc. Today it can be used with tools like PMAP (currently only supports consoles with SPC970 MechaCon, support for Dragon is highly experimental) to readjust the drive mechanism after fitting a replacement laser assembly etc. For electrically connecting to the interface, see [[Test points/MechaCon UART]]. For the communication protocol, see [[MechaCon/UART_commands]].
Every MechaCon has a 3.5 V TTL UART interface exposed on test pads that was used by service centers for example to readjust the drive and write calibration data etc. Today it can be used with tools like PMAP (currently only supports consoles with SPC970 MechaCon, support for Dragon is highly experimental) to readjust the drive mechanism after fitting a replacement laser assembly etc. See [[Test points/MechaCon UART]]. For the communication protocol, see [[MechaCon/UART_commands]].


Additionaly, at least the SPC970-based MechaCon (both, QFP and BGA revisions) provides an I²C interface with SDA and SCL being exposed on test pads next to the MechaCon.
Additionaly, at least the SPC970-based MechaCon (both, QFP and BGA revisions) provides an I²C interface with SDA and SCL being exposed on test pads next to the MechaCon.
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