Ok, solved this by updating NIC flash firmware from latest "Intel® Ethernet Connections Boot Utility, Preboot images, and EFI Drivers" (version 18.6): BOOTUTILW64E.EXE -ALL -UP=COMBO -FILE=..\BootIMG.FLB Intel Boot Agent versions: before update 2.3.03 after update: 2.3.08 Now PXE in BIOS boot mode works. Thanks Chris for pointing in the right direction. Egils
PowerEdge M620 server, all latest updates.When BIOS boot mode is configured, PXE boot from X520 NIC fails with error:PXE-E51: No DHCP or ProxyDHCP offers were received.In UEFI boot mode PXE boot works fine.Any ideas how to get this working in BIOS boot mode?Thanks,Egils
Intel X520 10GBE DP KX4-KR Mezz fails to PXE boot in BIOS boot mode