You should get output like the image above. Here is a top down view of the HP 8300 Elite Motherboard, with an arrow pointing at the BIOS Chip: If anyone reading this blog finds a way of writing to the BIOS with software tools, please let me know! It must be possible as the HP Firmware updates are able to write to the flash chip. The BIOS chip is located so close to the RAM slots that it is difficult to access.My CH431a programmer only came with an 8 pin chip connector, but the BIOS chip on the 8300 is 16 pin.So I tried using an SPI programmer directly on the BIOS chip, which works, but is not easy to do for the following reasons: I tried various methods to enable write access to the BIOS with software solutions, but I was unable to. 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
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