AFAIK, the S1S2 states are rarely (if ever) used in modern operating systems, although as @grawity mentioned, the Windows XP2003 will only use the S1 state if wakefromUSB is enabled. The only way to check this is to verify what you set your power settings to be, in your operating system. Given your description, the computer indeed is in S3 mode. acpi s1 s3 windows 7 States S1, S2, S3, and S4 are the sleeping states. A system in one of these states is not performing any computational tasks and appears to be off. Unlike a system in the shutdown state (S5), however, a sleeping system retains memory state, either in the hardware or on disk.
Oct 12, 2005 Summary of ACPI System Level (Sx) states. S3 (Suspend to RAM) is the bomb for a PC that is not left on 247. If you want it to work properly with 2000XP it should be enabled in the mobo bios PRIOR to doing a clean install of the os. By default most motherboards are set for S1. ACPI implementation is set in the HAL acpi s1 s3 windows 7
May 24, 2013 ACPI (Advanced Configuration and Power Interface) S1, S2, S3, and S4. (S1) Windows 7 has three power plans available, and you can customize these power plans. You might want to customize a power plan when there is a problem with poor video quality when playing a movie. I'm having this issue now on a system that came with Win 8 on it, and I'm trying to install Win 7. I have changed BIOS settings to work with the legacy OS but still get the ACPI compliant blue screen. Is it possible to disable ACPI Suspend in Windows XP? I don't mean the Control Panel, Power Settings, , choose never to sleep, actions on button, choose 'ask me actions on close lid, choose 'no. 7111 in binary which disables all S1, S2 and S3 suspend modes. acpi s1 s3 windows 7 Oct 20, 2009 BIOS Settings: S1 or S3 for Hybrid Sleep? When I install Windows 7, I'd like to use the Hybrid Sleep mode if I can. Which is the better syspend mode in BIOS Settings: ACPI S1 (Power on Suspend) or ACPI S3 (Suspend to RAM)? Sep 22, 2005 The Suspend to RAM feature, sometimes referred to as S3STR, lets the PC save more power when in Standby mode, but all devices within or attached to the computer must be ACPIcompliant. Some BIOS Overview of Windows support for ACPI 5. 0. ; 2 minutes to read; Contributors. In this article. The ACPI 5. 0 specification enables support of SoCbased mobile platforms that run Windows 8 and later, and enables and support of Windows Server 2016 and later, but continues to support many useful features that were introduced in earlier versions Windows. Aug 22, 2014 In S1 and S3, the computer wakes up when an active non specific hardware key is pressed, for example by pressing a Key of keyboard. ACPI S3 is Suspend to RAM. ACPI S4 is Suspend to Disk. ACPI S5 is stutdown for MS OS. ACPI C0 to C6 identify the operating and sleep states of the processor or a processor core.