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E-mu Procussion OS v1.01 EPROM Firmware Upgrade SET

Upgrade your E-mu Procussion with the latest and final OS v1.01—supplied on two freshly-programmed, tested, brand new EPROM chips for reliable, long-term performance.

Two brand new EPROM chips programmed with OS version 1.01.
Chips clearly labeled for correct installation into their designated IC sockets.
Shipped in ESD-safe packaging with printed installation instructions and ESD handling guidance included.

Important: This listing covers only the firmware upgrade chips. The E-mu Procussion itself is not included.

About OS Version 1.01

Version 1.01 is the final official operating system firmware released by E-mu for the Procussion.

Compatibility

For E-mu Procussion rackmount unit. Not compatible with other E-mu models.

Installation Guidance

Observe ESD precautions; chips ship in ESD-safe packaging.
Install chips carefully with correct orientation.
Contact me before purchase for installation help or compatibility questions.

Responsibility & Buyer Research

All information provided here is accurate to the best of my knowledge. Buyers are strongly encouraged to independently verify compatibility and installation requirements for their equipment. EPROM upgrades should ideally be installed by qualified technicians or experienced users. The seller cannot assume responsibility for damage caused by improper installation or insufficient technical expertise. Please contact me before purchasing if you have any doubts—I'm happy to assist!

Quality & Guarantee

Each EPROM chip is freshly programmed, individually tested, and shipped in ESD-safe packaging.
Only new, high-quality components supplied—never recycled or refurbished.

Availability

Made to order; please allow time for meticulous programming, testing, and secure packaging before shipment.

Sales Policy

All Sales Final: EPROM upgrade chips are sold as new and tested. Returns or cancellations cannot be accepted after shipment or installation. Once installed, chips become "used" and cannot be resold as new.
Pre-Sale Support: Please contact me with any questions about compatibility or installation prior to purchase—I am happy to help ensure you receive the correct upgrade.

Purchase with confidence!

Check out my other listings—I have spare parts for samplers, synthesizers, and more!