Hi Gil, you may try using the following driver:
I found a similar discussion here:
And the following article:
I hope this helps.
In those links u sent me,
they using WDS for working with PXE boot.
I dont use WDS server
I boot using winPE disk Image
How to fix it?
The following link lists available drivers for different adapters. I suggest asking Microsoft* regarding the process of loading the necessary drivers so you can complete the deployment. Network Connectivity — Drivers and software for Gigabit Intel® Ethernet Adapters