The Atari interfaces midi through a dedicatedĦ850 ACIA (Asynchronous Communication Interface Adapter) chip as shown on the right.
It uses asynchronous signals (8 bits plus start and stopīits) at 31250 bauds (bit/sec).
The midi interface is used to connect the Atari to electronic musical On the back panel you find connectors for a modem, printer, On the right underside contains the connectors for the Mouse & Joysticks On the left side you find connectors for the midi in and out, and a cartridge
Important note: On this page the connectors pinout are always given looking at themįrom the front side and not from the solder side. It also provides information on some standard cables andĬonnectors not specific but useful for the Atari ST. Interfaces of the Atari ST and the associated connectorsĪnd cables. This page gives information on the numerous