Oberheim Prommer – Version 1.45 Firmware OS Update Upgrade Eprom


SKU: FW-337 Category: Tags: , ,


Brand: Oberheim

Model: Prommer


√ 1 x Eprom


1. Open your device

2. Locate your Eprom socket and note the notch orientation.

3. Pull up the Eprom

4. Insert the new eprom with the notch in the same direction as you noted in point 2.

Features and further details

This is a known official released operation system by Oberheim, this operation systemupdate/upgrade require one eprom chip.

Unfortunatly no change log for this software revision, but is intended to iron out any remaining bugs affecting general stability and improve performance within the firmware code.


  • Eproms inserted backwards will  likely to cause damage to the board.