BIOPAC® Systems, Inc. Logo

MP150 Firmware Upgrade from Win 3.7.3 – 3.8.2

Type of Download



MP150 Firmware Upgrade—AcqKnowledge 3.8.2 under Windows 2000 or XP
Follow overview below or click for detailed upgrade instructions.
  • Before performing a firmware upgrade, make certain that no other users are connected to or using the MP150 you plan to upgrade.
    • Any attempts to communicate with the MP150 via any users AcqKnowledge software may affect the viability of the upgrade.
  • Fluctuations in the power source during an upgrade may also affect the outcome.  
  • To use an MP150 with UDP communication on a network with a non-Windows DHCP server, you must use firmware 1.1.12 or greater for the MP unit to properly be assigned an IP address. This is also true for any DHCP system with non-Windows operating systems, such as Unix, Linux, Mac OS X, and other DHCP-aware devices.
  1. If connected to more than one MP150, directly or remotely:
    a) Launch AcqKnowledge (v3.8.1 or greater) if it is not running.
    b) Click on MP150 > Select MP150.
    c) Select the serial number of the MP150 to be updated, make a note of it, and click OK.
  2. Exit (Ctrl-Q) all BIOPAC applications running on your PC.
  3. Locate the MP150Tools.exe utility.
    • Download MP150Tools and then unzip the folder to access MP150Tools.exe,, or
    • If AcqKnowledge is installed, use Windows Start > Programs > AcqKnowledge 3.8.x, or
    • Browse to and open the AcqKnowledge installation folder (the default location is C:Program Files> BIOPAC Systems, Inc>AcqKnowledge 3.8.X), and then locate MP150Tools.exe in the folder.
  4. Double-click MP150Tools.exe to run the utility.
  5. An information dialog will be generated with the updated version of MP150 firmware that is going to be uploaded to the selected MP150. Click OK to generate the utility window.
    • Note: If you did not exit all BIOPAC applications as required in Step 2, the following prompt will be generated. The utility will quit when you hit OK so you can exit all BIOPAC applications, then you must restart the utility.
  6. To confirm the MP150 selected for updating, click i icon (or choose File > Show MP150 info) to generate an information dialog with the current MP150 firmware version and the Serial number of the selected MP150.
    • Note: If your computer is NOT (directly or remotely) connected to an MP150, an error message will be generated. Clicking on OK will exit the utility so you can connect an MP150 to your computer.
  7. To begin the update procedure, click on the lightening bolt icon or (use File>Update MP150).
    • The update process may take up to 10 seconds. During the update process, the Activity and Busy lights on the MP150 should be active as follows:
      BOTH ON for 3-5 seconds, then
      BOTH FLASH SIMULTANEOUSLY for 3-5 seconds,
      then a normal SET UP /SELF-TEST procedure.
  8. When the firmware has been updated successfully, a confirmation prompt will be generated. Click OK.
    • Note: If the update could not be completed, an error message will be generated and, on the MP150 unit, the Activity light will be ON and the Busy light will be OFF. Click OK to exit the utility, and then power cycle the MP150 unit. The MP150 will detect an incomplete upgrade or damaged firmware and will run on the factory-programmed firmware. If the Startup/Self-Test does not function normally after an upgrade error, use the Firmware Rollback Switch (see below).
  9. Choose File>Exit.
  10. Close Explorer.
The MP150 is delivered with a factory-programmed firmware version that is not affected by the upgrade procedure. You can always restore the original firmware with the Firmware Rollback Switch.


Upgrade - Must be logged in to download

Associated Products

Spotlight On
BIOPAC Evoked Response Module

ERS Smart Amplifier

The ERS Evoked Response Smart Amplifier is an extremely low noise differential amplifier that accurately amplifies very small potentials, such as those associated with stimulus/response, startle response, ABR auditory brainstem response, somatosensory evoked response, signal-averaged recordings, and nerve conduction velocity recordings. BIOPAC’s new Smart Amplifiers are designed for great data. Smart Amplifiers improve performance by […]

View All
Latest News

New Citations | BIOPAC in Psychophysiology Research

The mind and body work together in many ways and psychophysiology research provides insight to these connections. BIOPAC has a variety of systems to power your emotion, arousal, stress, cognitive assessment, group interaction, startle, and other psychophysiology research. Here are some recent studies that have used BIOPAC systems for psychophysiological research… Skin conductance, facial EMG, […]

Seenel Imaging and BIOPAC Systems, Inc. Announce a Global Partnership

           For immediate release: January 4, 2023 Amiens, France and GOLETA, California, USA Seenel Imaging SAS and BIOPAC Systems, Inc. have formed a long-term global partnership to distribute MedelOpt®, Seenel Imaging’s groundbreaking wearable neuroimaging device for the neuroscience research market. Seenel Imaging, based in France, continues its international expansion by partnering with BIOPAC Systems, […]

Read All
Request a Demonstration
Request a Demonstration