[IMAGE] Now we are buying 2 E5345 CPUs.
Hello, Recenty we've try to upgrade with two L5420 processor,  but system won't start with CPU IERR. Then I've update BIOS to the latest version (2.7.0). System started, but  then I've got "Unsupported CPU combination System halted!" error. Also I've try one processor at time, got same error (combination yeah).  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~System: Dell(TM) PowerEdge(TM) 2900Version: 2.4.3Release Date: 09/02/2008______________________________________________________________________* Added support for Quad-Core Intel(R) Xeon(R) Processor 5400 series E0 Stepping* Added support for Dual-Core Intel(R) Xeon(R) Processor 5200 series E0 Stepping* Updated Quad-Core Intel(R) Xeon(R) Processor 5400 series C0 Stepping Microcode* Updated Dual-Core Intel(R) Xeon(R) Processor 5200 series C0 Stepping Microcode* Modified Memory Reference Code to improve the reliability of certain DIMMs* Enhanced the error logging of CPU IERRs* Increased the amount of resources allocatable to PCI devices from 2Gb to 3Gb* Updated the embedded 5708C PXE/iSCSI option ROM to version 4.4.4.* Updated the embedded ATI RN50 Video BIOS to ver yj20647b* Enabled PERC battery sensor* Updated Trusted Platform Module (TPM) code* Enhanced USB support to allow booting from certain 16GB USB memory key that  is not compliant to USB Mass Storage Specification for Bootability.~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 
PowerEdge 2900 (III) L5420 Dual Cpu Upgrade