ACPI state Intel state Apple state Description Apple enable signal Power well Since platform G3 G3 G3C Mechanical off Always on with coin cell battery, main battery or AC adapter *RTC G3 G3 G3H Mechanical off Always on with main battery or AC adapter *_G3H S5 S5 S5 Soft off SMC_PM_G2_EN, not asserted when off on battery only *_S5 DeepSx SUS Low power sleep state PM_SLP_SUS_L *_SUS 6-series chipset (Sandy Bridge) S4 S4 S4 Hibernation (Suspend to disk) PM_SLP_S5_L *_S4 S3 S3 S3 Standby (Suspend to RAM) PM_SLP_S4_L *_S3 S0 S0 S0 On PM_SLP_S3_L *_S0 S0i3 S0I3 Processing instructions PM_SLP_S0_L CPU VCore 100-series chipset (Skylake) 🅭🅯🄎 Creative Commons CC-BY-SA 4.0. As per article 3.a, please link to the original article at https://blog.piernov.org/acpi-power-states/ .