This article explains how to enable PXE Boot on an Elo I-Series for Windows 1.0

Please follow the procedure below to enable PXE boot on an I-Series for Windows 1.0 unit. 

Procedure
1. With I-Series 1.0 off and a physical keyboard attached – start the computer and immediately begin tapping the CTRL key and the F2 key simultaneously.
This will place the unit into the ADMIN BIOS mode.
2. The ADMIN password is eloelo
3. Go to the “Advanced” tab and navigate to the “Network Stack Configuration” section and enable it.
4. Go to the “CSM Configuration” section and set the “Network” option to “UEFI.”
5. Go to the “BOOT” section and set “Boot Option #1” to “Network UEFI”
6. Go to the “Save & Exit” section and select “Save changes.”