So you can use it to read the current value if you write the offset only, or to change the value if you write the offset AND the value.Īfter you have done, turn off the PC by pressing power button until it shuts down, and then remove usb stick. The GUID should match the expected GUID, if it does not, don't continue! More importantly, you should see at the bottom that the tool is looking for the Setup variable and found it. You can now use the utility by writing setup_varĪfter you press ENTER, a license text should inform you about the risks. If everything goes well, you should see the following message> Put this EFI application (source code: patch to GRUB2-1.96+20090709 ) on an USB-stick that is formated with FAT32 into the following directory:\EFI\BOOT\ĭisable SecureBoot and boot the USB stick in EFI mode. This is of course not my work, and I'm only adding it here because the links to the file and source patch in the blog are dead.
I add here a modified grub binary, the patch to create it, and the full blog page of the blog with the instructions. This tool and procedure was tested on a HP Envy 15 ah150sa, and it has quite a bit of interesting stuff hidden in there. It is suitable for systems that have signed images, which will refuse to boot a modded BIOS where they are shown again.Ĭredit for the idea goes to Falseclock user in this forum (I took it from there, anyway) This system allows to modify board settings otherwise kept hidden in vendor BIOS interfaces. If you have questions about this code or the H2OFFT-L(圆4) software, feel free to email me: tomreyn 47 megaglest |)07 org.Tools needed to access advanced settings that are otherwise not shown in the firmware's GUI. I'm merely making it available here on GitHub for others to fork and hack on it, just in case it goes offline at the original location I copied this GPLv2 code from. Please note that I you may be looking at a fork of the original repo where things may differ) have no intention of maintaining this code. 圆4) or for an ABI incompatible kernel version. Upon loading the module, if you run into the -1 Invalid module format error message, this suggests you are using a module that was built on a different platform (ia32 vs. Load it using modprobe -v isfl_drv or modprobe -v isfl_drv_圆4. On a successful build, the kernel module will be built: Change into the directory matching your platform.Kernel headers for your currently running kernel, >= 2.6.36.
This kernel module was released a part of InsydeFlash for Linux Version 1.1c, alongside Insyde H2OFFT (Firmware Flash Tool) Version 100.00.07.21. The utility itself is not available here, since it does not seem to be GPL licensed. This is version 0.0.05 of the (GPLv2 licensed) Linux driver required to carry out firmware upgrades on Insyde Softwares UEFI platform, using the H2OFFT-L(圆4) utility on GNU Linux. Isfl - Insyde Software UEFI firmware flashing Linux driver
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