Upgrade Instructions for EyeLink 1000 Plus Host software 5.52
Last Updated: October 17, 2025
The latest EyeLink 1000 Plus Host PC software runs on an upgraded real-time operating system. Consequently, if you are updating a Host PC from software version 5.51, 5.50, 5.16 or older, this one-time upgrade process is required.
Future updates within the 5.5x series will be handled through the standard File Manager update process.
Note: If you are already running version 5.52 or higher, you do not need to follow these instructions.
Updating to the latest Host Software is always recommended, as it ensures you benefit from the latest features, stability enhancements, and other improvements. If you are using a 5.1x build and you prefer not to perform this upgrade, you can download version 5.16 from the link below; however, there will be no further development of the 5.1x Host software.
Legacy EyeLink 1000 Plus Host software 5.16
Step 1: Back Up Your Files
IMPORTANT: This one-time update process will reimage your Host PC's hard disk, which erases all existing data. Before proceeding, you must back up the following critical files:
Alternatively, you can download and run our automated utility on your Display PC:
Step 2: Reimaging the EyeLink Host PC
For a complete walkthrough, please watch our video tutorial:
Please click the link corresponding to your Host PC's make and model and follow all the provided steps.
If you have issues with the link for the image in any of the PDF files above please find the latest quick restore image here. However, keep in mind that this image will not function properly without all of the BIOS settings outlined in the pdfs above.
Step 3: Restore Files and Finalize Configuration
After reimaging is complete, the first time the host software is launched you will encounter a "Could not find SCD file XXXXX.SCD" error. Simply click the words "File Manager" in the top left corner to exit back to the File Manager interface to copy the SCD file you backed up previously to the /ELCL/SCD/ folder on your Host PC. If you neglected to back up your SCD files prior to reimaging the PC, please contact support@sr-research.com so we can provide you with a replacement.
Next, replace the Final.ini and Physical.ini files from your backup to the /ELCL/EXE/ folder to restore your previous settings.
To verify these settings, click the Configurations icon (gear icon in the top left corner of the screen), go to the Screen Settings Wizard (4th icon from the left) and make sure that the listed measurements are correct for your display and testing environment.
If everything looks correct, you can click the EyeLink logo in the top left corner to star. the host software.
If you encounter issues with the upgrade or need to revert to a previous version of the Host PC software after installing the update, please contact support@sr-research.com for instructions.
Last Updated: October 17, 2025
The latest EyeLink 1000 Plus Host PC software runs on an upgraded real-time operating system. Consequently, if you are updating a Host PC from software version 5.51, 5.50, 5.16 or older, this one-time upgrade process is required.
Future updates within the 5.5x series will be handled through the standard File Manager update process.
Note: If you are already running version 5.52 or higher, you do not need to follow these instructions.
Updating to the latest Host Software is always recommended, as it ensures you benefit from the latest features, stability enhancements, and other improvements. If you are using a 5.1x build and you prefer not to perform this upgrade, you can download version 5.16 from the link below; however, there will be no further development of the 5.1x Host software.
Legacy EyeLink 1000 Plus Host software 5.16
Step 1: Back Up Your Files
IMPORTANT: This one-time update process will reimage your Host PC's hard disk, which erases all existing data. Before proceeding, you must back up the following critical files:
- EDF Files: Copy any data files you wish to keep.
- SCD File: This file is camera-specific and essential for operation.
- final.ini: Copy this file if it contains custom parameter settings for your system.
- physical.ini: Copy this file as it contains physical configuration settings.
Alternatively, you can download and run our automated utility on your Display PC:
- Windows - EyeLink Backup Utility
- macOS - EyeLink Backup Utility
Step 2: Reimaging the EyeLink Host PC
For a complete walkthrough, please watch our video tutorial:
Please click the link corresponding to your Host PC's make and model and follow all the provided steps.
- Dell Lattitude 5430
- Dell Lattitude 5440
- Dell Lattitude 7470
- Dell Lattitude 7480
- Dell Optiplex 5040
- Dell Optiplex 7010
- Dell Optiplex 7020
- Dell Optiplex 7050
- Dell Optiplex 7090
- Dell Optiplex XE2
- Dell Optiplex XE4
- Dell Precision M4700
- Dell Precision M4800
- Lenovo E14
- Lenovo P300
- Lenovo T470
- Lenovo T480
If you have issues with the link for the image in any of the PDF files above please find the latest quick restore image here. However, keep in mind that this image will not function properly without all of the BIOS settings outlined in the pdfs above.
Step 3: Restore Files and Finalize Configuration
After reimaging is complete, the first time the host software is launched you will encounter a "Could not find SCD file XXXXX.SCD" error. Simply click the words "File Manager" in the top left corner to exit back to the File Manager interface to copy the SCD file you backed up previously to the /ELCL/SCD/ folder on your Host PC. If you neglected to back up your SCD files prior to reimaging the PC, please contact support@sr-research.com so we can provide you with a replacement.
Next, replace the Final.ini and Physical.ini files from your backup to the /ELCL/EXE/ folder to restore your previous settings.
To verify these settings, click the Configurations icon (gear icon in the top left corner of the screen), go to the Screen Settings Wizard (4th icon from the left) and make sure that the listed measurements are correct for your display and testing environment.
If everything looks correct, you can click the EyeLink logo in the top left corner to star. the host software.
If you encounter issues with the upgrade or need to revert to a previous version of the Host PC software after installing the update, please contact support@sr-research.com for instructions.

