NAME¶

asahi-nvram - read and write nvram variables on Apple Silicon Macs

SYNOPSIS¶

asahi-nvram [OPTIONS] [SUBCOMMAND]

OPTIONS¶

-d, --device <DEVICE>

Path to the nvram device

-h, --help

Print help information

-V, --version

Print version information

SUBCOMMANDS¶

delete

Delete nvram variables. Accepts multiple nvram variables as arguments

help

Print top-level help or the help of the given subcommand(s)

read

Read nvram variables. Accepts multiple nvram variables as arguments

write

Write nvram variables. Accepts multiple nvram variable assignments in the form <VAR>=<VALUE> as arguments

NVRAM VARIABLE FORMAT¶

Nvram variables are parsed in the format <PARTITION>:<NAME>, where <PARTITION> is one of 'system' or 'common'.

WARNING¶

Writing to nvram may result in having to perform a DFU restore. Avoid unless you know what you're doing.