This package NVMUpdate_Package_Silicom_150 is designed to PE425G4i81L-XR-CH1 for update fw to ver.4.01 ====================================================================================================== Operating System Support ======================== E810_NVMUpdatePackage_v4_01_EFI.tar.gz - for EFI x64 E810_NVMUpdatePackage_v4_01_ESX.tar.gz - for ESX x64 E810_NVMUpdatePackage_v4_01_FreeBSD.tar.gz - for FreeBSD x64 E810_NVMUpdatePackage_v4_01_Linux.tar.gz - for Linux x64 E810_NVMUpdatePackage_v4_01_Windows.zip - for Windows x64