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37 Posts

07-24-2009

Austin

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T430s - 30 day standby - how to determine it is working and how to enable it

2012-07-19, 20:16 PM

I can't figure out if the 30 day standby feature is working on my laptop or if I enabled it correctly. Has anyone with a native SSD Ivy Bridge laptop been able to test out the feature?

 

Here's is what I've done:

I replaced the HDD that came with my T430s with a Samsung 830 SSD and wanted to enable the 30 day standby feature. My understanding is that this feature is identical to Intel Rapid Start which writes the hibernation system state to SSD and puts the CPU in a Deep Sleep (S4) state. I think the only difference between this and Windows' hybrid sleep feature is that it requires a separate hibernation partition on an SSD. Here is what I've done:

1. Created an 8GB hibernation partition on my SSD (I have 8GB of RAM)

2. Enabled the 30 day standby feature in the Power Manager

3. Enabled Hybrid Sleep in Power Manager power plan

4. Disabled hibernation (powercfg /hibernate off)

5. Set the delay in the BIOS to Immediately to test out the feature (I want to set the value to something greater than an hour once I prove it works)

 

I restarted my computer and unplugged the AC power (Lenovo's description in the Power Manager help indicates that AC power will disable deeper sleep and hibernation). The computer will sleep but will not go into a deeper sleep state and it comes back from sleep within 2 seconds. I have tried using Windows' Hybrid Sleep feature, which requires hibernate to be enabled, and found it to be undesirable because I can't set when the laptop sleeps vs. hybrid sleeps (sometimes I want the ~2s instant on/off and sometimes I can wait a little longer).

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37 Posts

07-24-2009

Austin

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Re: T430s - 30 day standby - how to determine it is working and how to enable it

2012-07-20, 4:26 AM
I've confirmed the BIOS setting works when the power manager is not installed. I think this or the ASUS/Intel software are acceptable solutions.
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6926 Posts

10-29-2009

United States of America

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Re: T430s - 30 day standby - how to determine it is working and how to enable it

2012-07-20, 3:42 AM

The easiest way to use 30-day standby is to buy the SSD (or mSATA) option from Lenovo and use the preload that comes on it.  We don't really expect anyone to try to get this working on their own.  There are too many little pieces that have to fit together.  We did a lot of work for the SSD preload to make it "just work".

 

Having said all that, I'll try to help.

 

If you have Power Manager installed, the transition between Sleep and 30-day standby happens after 3 hours.  This is regardless of what the BIOS setting is.  The BIOS setting is only effective when Power Manager isn't installed.  I know, this doesn't make any sense and it's not explained anywhere.

 

How exactly did you create the 8GB hibernation partition?  Did you know that it has to be created in DISKPART with id=84 (for legacy MBR format) or {D3BFE2DE-3DAF-11DF-BA40-E3A556D89593} (for UEFI GPT format)?  Did you do that?

 

The easiest way to test this is to uninstall Power Manager.  Then set the BIOS setting to "immediately" and make sure that works.  When you put the system to sleep (e.g. close the lid or press Fn-F4), then you should see it immediately wake back up and transition into the deep sleep state, then the power LED will turn off completely.  When you turn the system back on (either by pressing the Power Button or opening the lid), then the system will resume.  You'll know that it's resuming from the deep sleep state because the power LED will be flashing and you won't see the ThinkPad logo during POST.  If you do see the ThinkPad logo during POST, then it's resuming from normal hibernate and not the special deep sleep hibernate.

 

Once you know this is working without Power Manager, then you can re-install Power manager if you want to.  But like I said above, Power Manager forces the timer to 3 hours regardless of the BIOS setting.  And the Power Manager transition won't happen in many different scenarios, such as AC attached, Ethernet Wake-On-LAN enabled in Device Manager, some device attached to the always-on USB port, and probably a couple others I'm forgetting.

 

There's lots of info here, so feel free to write back with follow-up questions.

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37 Posts

07-24-2009

Austin

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Re: T430s - 30 day standby - how to determine it is working and how to enable it

2012-07-20, 4:05 AM

Thanks for the help. I think I've found an alternate solution but will try yours too. I did format the drive using DISKPART. What I did is download the Intel Rapid Start Technology Manager from the ASUS website for my Z77 desktop motherboard. The only limitation seems to be the BIOS setting cannot exceed 2 hours. It's not a good idea to use unsupported drivers and software but the ASUS download includes Intel's specification for Rapid Start, which seems to indicate that everything (BIOS, Power Manager, ASUS/Intel) interacts with standard processor registers. From what I've seen this aligns with the behavior of the setting.

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37 Posts

07-24-2009

Austin

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Re: T430s - 30 day standby - how to determine it is working and how to enable it

2012-07-20, 4:26 AM
I've confirmed the BIOS setting works when the power manager is not installed. I think this or the ASUS/Intel software are acceptable solutions.

0 person found this solution to be helpful.

This helped me too

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47 Posts

02-25-2009

Australia

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Re: T430s - 30 day standby - how to determine it is working and how to enable it

2012-09-17, 1:08 AM

I have located the setting in the registry which controls the time period for the transition from S3 to S4 (which is currently 180 min/3 hours).

 

change the decimal value to the number of minutes for the key S3TimerForIFFS in the registry:

 

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Lenovo\PWRMGRV\Data\ISSC

 

I have set this value to 5 and have tested it and it works perfectly.

 

Thinkpad P1 (Model 20MDCTO1WWW Tx) - Windows 10 x64 Pro - Intel Xeon E-2176M vPro Processor, Nvidia P2000 4Gb, 64GB DDR4 2666 SODIMM
Thinkpad X1 Carbon (Model 20FB)
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427 Posts

10-25-2012

Switzerland

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Re: T430s - 30 day standby - how to determine it is working and how to enable it

2012-12-11, 17:39 PM
Hi Not sure if it is related but after I changed this setting my T430s just switches off. Upon restart Windows 7 says that the computer wasn't shutdown properly. (And even did a volume error scan).

I don't think this was regression tested.
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9380 Posts

11-27-2007

Slovakia

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Re: T430s - 30 day standby - how to determine it is working and how to enable it

2013-05-10, 11:20 AM

Andy  

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