su

alpine

sysctl -w hw.cpufrequency_max=950000000

sysctl -w hw.cpufrequency=950000000

sysctl -w hw.cpufrequency_min=750000000

/dev/disk0s1s1 / hfs rw 0 1
/dev/disk0s1s2 /private/var hfs rw 0 2