PS-3 4.0 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The software lies within System Utilities, more precisely Device Assistants.
The following version: 4.0 is the most frequently downloaded one by the program users. Ps3.exe is the common file name to indicate this program's installer. We recommend checking the downloaded files with any free antivirus. This software is an intellectual property of Pacific Research Solutions.
From the developer:
The RI-1 is a single board low cost repeater controller. It supports a full duplexed link or repeater ports and can be connected to the RI-300 auxiliary buss. As a repeater port, it can operate completely independent with its own command processor. The RI-1 can be assigned to any channel on the auxiliary buss. Demo Programming Software for the RI-1 and RI-300/310.
You may want to check out more software, such as PS3 CFW Tools, 4Media DVD to PS3 Converter or Tipard PS3 Video Converter, which might be similar to PS-3.
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