![]() I hope this helps, thank you so much for all your work again and let me know if anything else is needed. On this ZIP file, there are the following:ġ - 5600xt1_gpuz.rom (Original BIOS from the card extracted with GPU-Z)Ģ - 5600xt-stock_extract.rom (This is the BIOS file extracted from the Chip with SPI Programmer, it loads on RBE, but fails to save)ģ - mpt-1900_only.mpt (This is an example of a small change I tried to see if it would work, only changing maximum clock to 1900mhz)Ĥ - 1900-ONLY-BIOS1.rom (This is the final outcome of RED BIOS EDITOR using the GPU-Z BIOS with the MorePowerTool settings of 1900mhz) So, I am leaving a link to my files, to see if we can figure out why the modified BIOS is not working on my 5600XT. Stock BIOS still works fine when re-flashed, card is perfect. Also, in HxD, I have tried to open the original stock BIOS and overwrite the part, leaving the correct file size, but this also did not work to POST. It has two operation modes: Low Pin Count and Parallel. because its just a serial line and i need to programm the flash memory. I have also tried to open in HxD the original long file 1024kb and noticed it makes no difference, because after 000FFFF0 it is only 0's anyway. An Arduino board could easily be set up as an USB-to-SPI converter, but Im afraid I cant help you with the specifics of BIOS programming. If you accidentally flash a bad BIOS image or set BIOS values which prevent your Rock Pi X from POST-ing, you can flash a BIOS image out-of-band with an affordable CH341a programmer and SOIC8 clamp (available from online retailers such as Amazon for for 10-15 USD). but decided to make a small alteration to see if it would work- unfortunately it doesn't. I originally made a BIOS with a lot more changes and limits, such as 2100, 1000 memory, more power, voltage, etc, etc. I have tried several things, the last one was to make only a very small change on the GFX Maximum Clock to 1900MHz. However, even with the 512KB file, it does not work to post the card. It works fine to save the file when I use the GPUz extracted rom. This is not a permission issue, I am running admin. When I try to open this extracted BIOS with RBE, it modifies fine, but does not save by stating "An unknown error occurred when accessing (filename path). I think maybe this did not work due to the fact that my card is dual BIOS, and when I read the BIOS from the memory chip, it comes out with 1024kb, rather than the 512kb saved from GPU-Z. This is no problem, I am used to flashing BIOS with SPI Programmer CH341a, I am free to test anything. ![]() However, the BIOS did not work, the system hangs during POST. Currently, I have a 5600XT in which I have flashed the modified bios by Red BIOS Editor.
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