Nvram

There should be a boot option, someplace, whether it's in some HFS boot sector, or an EFI setting that can be changed with 'nvram' or 'bless', or SOMETHING that controls this. ❋ Unknown (2010)

Overclocking is changing the clock rate of the nvram … You can overclock the wrt54g to approx 240mhz and above that you run into issues with the actual clock not changing unless you start fiddeling with jtag and custom flashing. ❋ Unknown (2007)

I have not seen a reason to up the clock rate of the nvram. ❋ Unknown (2007)

Does it boot into Open Firmware with CMD+Option+o+f? reset-nvram (press Enter) set-defaults (press Enter) ❋ Unknown (2010)

Ive zapped pram, reset nvram, hit the button on the back. my PRAM battery is ok. ❋ The G3 Man (2010)

With just those two in, Have you done a PRAM reset, CMD+Option+p+r ... reset-nvram (press Enter) set-defaults (press Enter) ❋ Unknown (2010)

I reset nvram the first time i turned it on and it booted ok but froze straight away. ❋ Unknown (2010)

If all is okay set the boot mode back to normal by entering sudo nvram boot-args = "" followed by sudo shutdown - r now. ❋ Unknown (2010)

Does it boot into Open Firmware with CMD+Option+o+f? reset-nvram (press Enter) set-defaults (press Enter) reset-all (press Enter) ❋ Unknown (2010)

If the computer boots as expected, users can then reverse this by entering the following command to clear the boot arguments: sudo nvram boot-args = "" ❋ Unknown (2009)

So why not just run sudo nvram SystemAudioVolume = "" and be done with it? ❋ Unknown (2009)

If so, you'll have to reset the pram by going into Open Firmware mode, entering your password, and entering the following two lines: reset-nvram reset-all ❋ Unknown (2009)

There are only commands with nvram utility on Wiki and nvram command is not available anymore: ❋ Unknown (2009)

Module Size Used by nvidia 7217048 28 fuse 48956 1 af_packet 16192 2 sbs 11208 0 sbshc 5280 1 sbs container 3488 0 binfmt_misc 8488 1 loop 14188 0 dm_mirror 17216 0 dm_log 9604 1 dm_mirror dm_mod 49668 2 dm_mirror, dm_log cpufreq_ondemand 7020 0 cpufreq_conservative 6472 0 cpufreq_powersave 1952 0 acpi_cpufreq 7116 1 freq_table 4576 2 cpufreq_ondemand, acpi_cpufreq nvram 7788 0 amd64_agp 9540 0 mmc_block 9796 0 ❋ Unknown (2009)

To do this, open the terminal and enter the following: sudo nvram boot-args = "- v" ❋ Unknown (2009)