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Please contact the target system BIOS vendor for an option to disable Protected Range Registers. ![]() W25Q128BV ID:0圎F4018 Size: 16384KB (131072Kb)Įrror 28: Protected Range Registers are currently set by BIOS, preventing flash access. Version: 8.Ĭopyright (c) 2007 - 2014, Intel Corporation. Putting a jumper on to these pins allows the Intel Management Tools to fully read the BIOS, but the Intel Flash Programming Tool (fpt.exe) is not able to write back to it, and displays the message: C:\Intel ME System Tools v8 r3\Flash Programming Tool\Windows64>fptw64.exe -bios -f nvme.bin The HP 8300 motherboard has a similar function called FDO (Flash Descriptor Override): On the Dell OptiPlex 7010 I was able to put the machine into service mode and gain full read and write access to the BIOS. Why is the HP Compaq 8300 Difficult to modify Here is an image of the motherboard from a 790 SFF: Once those are out of the way, you can find near the RAM slots. If you are upgrading a Small Form Factor machine, the service jumper is in an awkward position which will require you to remove the Optical Drive and Hard Drive cage to access it.
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