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Top Forums UNIX for Dummies Questions & Answers nvram reset or crack password Post 16535 by killerserv on Monday 4th of March 2002 04:33:00 AM
Old 03-04-2002
nvram password usually are set in your sistem BIOS (EPROM) to disable it remove the cover of your system and take out the system Battery (carefull while touching the battery surface). Hold for a couples of minutes then put it back. The nvram password would automatically released from the memory (blank). Hope it helps, post back if this solution doesnt help much...
 

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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

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