![]() ![]() ![]() ![]() With major number 10 and minor number 144 using mknod ("man mknod"), If you say Y here and create a character special file /dev/nvram If you only want to save the so called CMOS RAM (those extra-bytes you save configuration to, like alarm on RTC et al) the kernel's nvram driver and device might help you: config NVRAMĭepends on ATARI || X86 || (ARM & RTC_DRV_CMOS) || GENERIC_NVRAM Provided that your system is supported, you can read your BIOS content by issuing # flashrom -r I think what you're looking for is flashrom. You can read more about the Linux kernel and a system's BIOS in this article from Linuxmagazine titled: Linux and the BIOS. However you can make real-time BIOS calls from the root user using C applications that include embedded ASM (Assembly code), etc. Yes, the kernel keeps only the information it needs from the BIOS in the RAM. Search the man page for more information: $ man dmidecode You will need to use dmidecode command for dumping a computer’s DMI (SMBIOS) table contents on screen. Data provided by biosdecode is not in a human-readable format.The DMI table mainly describes what the system is currently made of. Decoding BIOS data is the same as dumping a computer's DMI. ![]() biosdecode parses the BIOS memory and prints the information about all structures.It finds out information about hardware such as: It is a command line utility to parses the BIOS memory and prints information about all structures (or entry points) it knows of. ![]()
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