> For iMS4-P, iMS2-P, iMS2-HF

The iMSx-P series synthesizers comprise of two programmable FPGA circuits; Controller and Synthesizer. The firmware can be upgraded by the user if the installed revision is listed in the relevent Firmware History pdf.

PartA: Controller FPGA

Controller Pro Firmware History 2025-01-22 (pdf)

- Controller (iMSPb) Upgrade. Fitted post sn243750

iMS4-P Controller firmware v2_5_111-upgrade (Zip)

iMS4-P Controller firmware v2_5_107-upgrade (Zip)

 

- Controller (iMSPa) Upgrade. Fitted pre sn243750

iMS4-P Controller firmware v2_4_98-upgrade (Zip)

 

PartB: Synthesizer FPGA

iMS4 Synthesizer Firmware History 2026-5-20 (pdf)

- Synthesizer Upgrade. Applies to iMS4-P- revD / revE only

iMS4-P Synth firmware v4_1_161 upgrade (Zip)

iMS4-P Synth firmware v4_1_154 upgrade (Zip)

iMS4-P Synth firmware v4_1_149 upgrade (Zip)

 

- Synthesizer Upgrade. Applies to iMS2-HF only

iMS2 Synthesizer Firmware History 2024-4-10 (pdf)

iMS2-HF Synth firmware v1_2_25 upgrade (Zip)

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> For iCSL, iCSA-series

Firmware History 2026-05-20 (pdf)

iCSA FPGA v1_1_30-upgrade (Zip)

 

> For iVSL, iVSA-series

iVSA FPGA v1_1_27-upgrade (Zip)