I noticed that my R9 290s BIOS starts with 55 AA 44 and C92B1054 has that as well, so I deleted the data before it as seen here and saved it as C92B1054cutdown.ROM. ATOMBIOSReader could read that.Press question mark to learn the rest of the keyboard shortcuts Log in sign up User account menu 49 Request for help: BIOS Modding a Radeon 530 in a Laptop.It would be great if anyone has experience with this to let us know of better softwareways to get the job done better.The laptop in question is ucuongvfc s and is a Dell laptop with an Insyde BIOS.
If successful should open the door for control over other mobile Radeon GPUs that dont play nice with OC software (low end stuff) - or even expand OC room for higher end stuff. The process used is: Extract BIOS from Laptop - Dump BIOS - Find relevant.ROM files in dump - Identify exact.ROM file - Read.ROM file to make sense of it - Edit.ROM file as desired - Fix Checksum - Rename ending to.MOD (for Phoenix Tool) - Replace old.ROM file in BIOS with the edited version - Write back to Laptop The issues Ive run into are largely at the end, but any stage could use help as its difficult at best. Replacing the edited ROM causes the length of that BIOS entry to change despite it being the same size. Additionally, Phoenix Tool crashes when trying to replace the larger (youll read below).ROM file - so it isnt able to be replaced. I also dont know which BIOS to use - the FPTw64s 8MB one or the Univ BIOS Toolkit 2.0s 16MB one. This will be a long, intricate post. But Im hoping someone has had experience with something like this can help fix up its final flaws Heres the methods Ive followed so far: 0. Files in question: Extracted BIOS Files: folder DUMP files from FPTw64 - dump of the ROM that FPTw64 made (dumped using Phoenix Tools 2.50) folder DUMP files Universal BIOS Backup ToolKit 2.0 - dump of the ROM that Universal BIOS Backup ToolKit 2.0 made (dumped using Phoenix Tools 2.50) folder including ATOMBIOS - has the files from the FPTw64 dump that have the word ATOMBIOS in them folder including ATOMBIOS from Universal BIOS Backup ToolKit 2.0 rom - has the files from the Universal BIOS Backup ToolKit 2.0 dump that have the word ATOMBIOS in them 2 pictures that are linked in section 1. Radeon Bios Editor How To Get TheExtraction with FPTw64: This guide here shows how to get the BIOS and extract the BIOS into its pieces and search it for files that have the ATOMBIOS text in them. Now, for Phoenix Tool this site has it mirrored without making an account. Extraction with Universal BIOS Backup ToolKit 2.0: Extracting with Universal BIOS Backup ToolKit 2.0 instead of FPTw64 and then doing the same Phoenix Tool and search steps yields basically the same files. The files have identical content, but their Internal Number that ends the extracted.ROM files changes by 1, e.g. FPTw64s 1575 becomes 1576 with the Univ 2.0 thing. I guess the bigger one What we have: The files that have ATOMBIOS in them. Identifying the correct file: Software for this job: A hex editor. I used HxD To identify the correct file, searching for the BIOS parameters found in the AMD Radeon Settings hardware tab in section 1. I did the work in the folder including ATOMBIOS from Universal BIOS Backup ToolKit 2.0 rom but it would be the same for FPTw64s extracted ATOMBIOS files, save for the file ending changing by 1 number. I searched using CTRLF and searching ALL directions for the Text of BR23449.001 I found that C92B1054-1D09-4B0D-B297-AF950053E8581608.ROM and 365C62BA-05EF-4B2E-A7F7-92C1781AF4F91576.ROM have the BR23449.001 in them as well as the BIOS Version and BIOS Date. On farther inspection of 365C62BA-05EF-4B2E-A7F7-92C1781AF4F91576.ROM it seems that it has all of the other smaller files within it. So C92B1054-1D09-4B0D-B297-AF950053E8581608.ROM is the main file, and Ill refer to it as C92B1054. Note that if using FPTw64s extracted dump it would end in 1607. Figuring out how to read the C92B1054 file: Software needed: ATOMBIOSReader at Also Excel, hex editing helper file at Normally people have made BIOS Reader programs for the various GPUs, but none liked this C92B1054 file. VBE7, Hawaii BIOS Reader, Tonga BIOS Reader, and Polaris BIOS Reader all did not read it successfully. I noticed that my R9 290s BIOS starts with 55 AA 44 and C92B1054 has that as well, so I deleted the data before it as seen here and saved it as C92B1054cutdown.ROM. ATOMBIOSReader could read that.
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