FreeBSD Manual Pages
NVRAM(4) FreeBSD/amd64 Kernel Interfaces Manual NVRAM(4) NAME nvram -- driver for reading PC NVRAM contents SYNOPSIS pseudo-device nvram 1 DESCRIPTION The nvram device provides read-only access to the non-volatile memory contained in the MC146818 real-time clock. This data is provided as a seekable character device, /dev/nvram. Check- sums of the NVRAM contents are calculated over bytes 2 to 31 and stored in byte 32. A valid checksum is required for the driver to initialize. FILES /dev/nvram HISTORY nvram support was originally included in OpenBSD 3.7. FreeBSD 13.0 August 2, 2007 FreeBSD 13.0
NAME | SYNOPSIS | DESCRIPTION | FILES | HISTORY
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