This is firmware update 3.04 and is the latest official released operation system by Oberheim for device without any expansions. This operation system update/upgrade requires three eprom chip and the Debug one.

Check installed software version:

Press [3], [5] and [7] simultaneously.

Features/improvements for 3.04:

• Added – “Punch In” functions.
• Added – “Select options” menu.
• Added – Operate without a Synthesizer.
• Improved – Track arrangement.
• Improved – Sequence arrangement.
• Improved – Play mode arrangement.
• Improved – Recovery of bad cassette tapes.
• Improved – compatibility to load tapes made on older DSX OS revisions.

Features for Debug chip: 

This tool can help you determine what IC or part that might gone faulty.

Note:

• Fully verified before shipping and professionally packaged in anti-static material.