Du kan från ditt OS göra inställningar som gäller ström för enskilda komponenter i datorn. Dessa kallas S0, S1, S2 etc beroende på hur mycket som slås av.
Citat:
S0 On and fully operational.
S1 System is in low power mode (a.k.a. sleep mode). The CPU clock is stopped, but RAM is powered on and being refreshed.
S2 Similar to S1, but power is removed from the CPU.
S3 Suspend to RAM (a.k.a. standby mode). Basically, most components are shutdown except RAM.
S4 Suspend to disk (a.k.a. hibernate mode). The memory contents are swapped to the disk drive, and then reloaded into RAM when the system is awakened.
S5 Power off.
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