![]() ![]() The modified BIOS image can now be flashed to the Woodpecker or Robin module by using the Awdflash or Torflash tool.Obtaining a good opportunity to run is always important for malware, and using the stealth provided by a rootkit may be the most effective way to achieve this goal. IMPORTANT: do not forget the last step, the relinking of the chipset micro code: CBROM R0P91016.bin /TOPHOLE:FFFD0000 TOP_HOLE.bin Now the new logos can be included in the BIOS image: CBROM R0P91016.bin /JPEG logo1024.jpg Next step is to remove the old logo from the BIOS image: CBROM R0P91016.bin /JPEG release The easiest way to obtain the CMC is to extract it from the current BIOS image:ĬBROM R0P91016.bin /TOPHOLE:FFFD0000 extract Otherwise the BIOS does not boot anymore. Exchange LogoĪfter the updating of the logo, the chipset micro code (CMC) has to be relinked to the image. The BIOS does not support every compression, try different compressions. The file should not content JPEG metha data. The files must be 24 bit color and the file size must be small (<50KB). 1024x768) while the video BIOS is not able to switch that mode. There must be 3 logos since the BIOS can hang if you want to force a video mode (e.g. If you provide not enough memory (selectable in BIOS setup menu), the highest modes will fail and the BIOS will try a lower video mode. The BIOS will pick the correct resolution based on which video mode is supported. The new boot logo has to be provided in 3 resolutions: 1024x768 (jpeg), 800圆00 (jpeg1) and 640x480 (jpeg2). The current boot logos can be extracted from the bios image by using the following commands whereas the R0P91016.bin is the name of the BIOS image: cbrom R0P91016.bin /jpeg extractĬbrom R0P91016.bin /jpeg2 extract Prepare new Boot Logo Files Extract Current Boot Logo from BIOS Image If you are interested, please contact the Toradex support team. The boot logo modification is on your own risk.įor customer that want avoid the risk or do not have the CBROM.EXE tool, Toradex offer the service of changing boot logos for the fee of support hours. If you do not have such a baseboard, be aware of the risk. Use a baseboard with a second BIOS image for recovering corrupted BIOS images. If the modification is not done correctly, the board might not boot anymore. The update of the boot logo is a fundamental change in the BIOS image. Please contact the Toradex support for more information. This tool is provided by Phoenix Technologies and Toradex is not allowed to send a copy to the customers. For changing the boot logo, the CBROM.EXE is needed. ![]() This page describes how to change the full screen boot logo of the Award BIOS for Robin and Woodpecker modules. ![]()
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