Sio2OSX is a peripheral emulator for the Atari 8-bit computers that allows the Atari computer to use an OSX based Macintosh as a disk drive, a cassette drive, and a printer. Sio2OSX peforms functions similar to APE or SIO2PC on Windows based computers. Sio2OSX is a shareware program, and must be registered for full operation.
Main Features:
- Sio2OSX version 2.1 requires OS X 10.3.9 or higher, and a G4 or Intel processor or higher. Older versions work with OS X 10.2 and G3 processors
- The second requirement for Sio2OSX is a Sio2PC cable to connect the Atari to the Mac. There are several plans on the internet for building such a cable, but currently there are also serveral sources of prebuilt cables. Sio2OSX has been tested with cables/adapters from two of these sources. The first of the sources is located in the US, and here is the link to purchase this adapter: Atarimax Adapter The second source is located in Poland, and here is the link to purchase this cable: Sio2PC Cable. Both of these cable/adapter providers also sell their products on Ebay.
- The final requirement of Sio2OSX is a serial port to plug the Sio2PC cable into. As modern Macintosh computers do not have a built in serial port, the only relastic option is a USB to Serial dongle. However, most of these will not work with a Sio2PC cable. This is due to the fact that the modem control lines that the Sio2PC cable uses to signal commands from the Atari (RI or DSR) are either delayed in reception from the USB Serial driver, or not reported at all, and therefore commands from the Atari are not recognized. The only type of adapter tested and known to work with the Sio2OSX is one made by the company FTDI (www.ftdichip.com).
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