07-31-2004
Host ID
I have a e450 - Sol8 - system was pulled from storage and currently not fully booting(needs OS reinstalled and to be configured for proper hardware). I need to give a software vendor the host id so it can be applied to a license I guess(link software to this specific computer).
I know that the host id is stored in the NVRAM chip on the board but is there a way to get it from the boot prom(or is it printed on the chip?). The issue is that I don't want to waste time fixing the box just to get the host id, when I don't even know the hardware requirements for the box yet and the OS will be re-installed. I will probably find out the reqiremts on Monday but I need to get the host ID for the vendor ASAP.
Thanks
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NVRAM(4) BSD Kernel Interfaces Manual NVRAM(4)
NAME
nvram -- non-volatile RAM
SYNOPSIS
To compile this driver into the kernel, place the following line in your kernel configuration file:
device nvram
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
nvram_load="YES"
DESCRIPTION
The nvram driver provides access to BIOS configuration NVRAM on i386 and amd64 systems.
PC motherboard uses a small non-volatile memory to store BIOS settings which is usually part of its clock chip and sometimes referred as
``CMOS SRAM''. This driver exposes bytes 14 through 128 of the NVRAM, or a total of 114 bytes, at offset zero of the device file /dev/nvram.
This driver is useful for cloning machines that shares the same hardware configuration and need same BIOS setting tweaks.
IMPLEMENTATION NOTES
The BIOS NVRAM's bytes 16 through 31 are checksummed at byte 32. This driver does not take care for these checksums.
EXAMPLES
Backup existing BIOS NVRAM to nvram.bin:
dd if=/dev/nvram of=nvram.bin
Restore BIOS NVRAM from nvram.bin:
dd if=nvram.bin of=/dev/nvram
SEE ALSO
dd(1)
HISTORY
The nvram device driver first appeared in FreeBSD 6.4.
AUTHORS
The nvram device driver was written by Peter Wemm. This manual page was written by Xin LI.
BSD
February 8, 2010 BSD