HP_Z420_Z620_Z820_BootBlock_Upgrade
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information about the "Mystery Chinese Document"
i have already get the document which mentioned in the end of the guide. nothing much in this document. but he mentioned the "PCB FAB REV" and the conpactable with v2 CPUs.
"而较早的1.00和1.01等主板则不原生支持v2处理器(1.02没有测试过,不确定是否原生支持v2处理器)" Earlier PCB FAB REV 1.00/1.01 do not support the IB CPU natively , which 1.02 is not tested.
and nothing. He just desoldered the chip and use the CH341a programmer or something like that. he also have a copy of the "z820 e5-2600 v2 ivy bridge upgrade" which is from the hp support community. he use the yellow marker and marked the sentence he referenced. i attached the document he copied from hp support community, which is in English. i may translate the document he wrote and attach in this issues. im sorry but im not from an english-speaking region. feel free to ask me if you cant understand something.
hmm... i cant attach the file due to the file type limit... but thats not right. i packed it into a zip archive guide for update to E5-26xx v2 series cpu on HP Z820 workstation .zip .