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Intel Rapid Start in a SSD?

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May 18, 2014 11:18:40 AM

I have a computer with dual slot:

1 - SSD 256GB (Windows 8.1 Pro)
2 - HDD 750GB (Files)

Windows is installed in the SSD, I won't use Intel Rapid Storage because of that, but I don't know about Intel Rapid Start, do I need it?

Another thing is that I have 16GB RAM, they say in the guide that I need to allocate the same amount of RAM to IRStart, is it correct, do I need to allocate 16GB in my SSD?

More about : intel rapid start ssd

a b G Storage
May 18, 2014 12:45:55 PM

You could just google it to find out what it is. If you never put your pc to sleep then it's useless. I would not suggest putting it to sleep anyways since it's just unnecessary writes to the ssd.
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May 18, 2014 1:01:41 PM

k1114 said:
You could just google it to find out what it is. If you never put your pc to sleep then it's useless. I would not suggest putting it to sleep anyways since it's just unnecessary writes to the ssd.


I already googled it but couldn't find a answer... Sleep writes to the SSD, but the boot is faster, isn't it good?

Instant boot vs 5~8sec boot with my config =s
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a b G Storage
May 18, 2014 2:59:50 PM

When you google, this intel link should be first. https://software.intel.com/en-us/articles/what-is-intel... I really meant deep sleep which is similar to hibernate which writes to the ssd and turns off the pc. Sleep just puts your session into ram and the pc is still "on." I never have anything hibernate and you'd want to just sleep with a ssd if you really think boot time is too long. Rapid start makes resuming almost as fast as sleep but sleep is still faster and in this case better. It's not asking to allocate ram, it wants ssd space as it needs a hibernation partition.
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May 18, 2014 3:28:14 PM

k1114 said:
When you google, this intel link should be first. https://software.intel.com/en-us/articles/what-is-intel... I really meant deep sleep which is similar to hibernate which writes to the ssd and turns off the pc. Sleep just puts your session into ram and the pc is still "on." I never have anything hibernate and you'd want to just sleep with a ssd if you really think boot time is too long. Rapid start makes resuming almost as fast as sleep but sleep is still faster and in this case better. It's not asking to allocate ram, it wants ssd space as it needs a hibernation partition.


My options are:

1. Normal shutdown- not so fast boot
2. Normal Sleep (PC still ON) - fast boot
3. Rapid Start Sleep (PC goes OFF) - fast boot

With 1 and 2 I don't have writing in the SSD, but with 2 my PC will always be kind of "turned on", with 3 I have writing to the SSD but my PC do power off! will this writing affect the SSD too much?

And yes, normal sleep is a faster than Rapid Start, I was using Rapid Start some time ago and I can tell the difference.

But the real question here is: IF I choose Rapid Start, they say that I need allocate the same amount of RAM in the SSD, and change this partitions to the "Rapid Start fs", do I really need to allocate 16GB in the SSD or 8GB is OK?

My PC has 16GB 1600Mhz
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a b G Storage
May 18, 2014 5:15:00 PM

It's slower, you're going to kill the ssd faster and you'll have less space because of the partition, so why do you want to do it? It's recommended to have the partition the same size but you shouldn't have a session taking that much unless you have lots of stuff open.
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May 18, 2014 5:27:45 PM

k1114 said:
It's slower, you're going to kill the ssd faster and you'll have less space because of the partition, so why do you want to do it? It's recommended to have the partition the same size but you shouldn't have a session taking that much unless you have lots of stuff open.


When I set to "hard sleep", I kill all the programs, just stays open AV, Logitech Mouse, Sager PowerBIOS. 8GB should be more than enough!

I want this "hard sleep" because this way I don't need to care about power outage and anything related to energy, my notebook will be totally powered off.
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a b G Storage
May 18, 2014 8:17:36 PM

Then 8gb should be fine.
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May 19, 2014 1:43:46 PM

k1114 said:
Then 8gb should be fine.


I don't get it, I followed the Intel Rapid Start GPT Guide...

1. Set Intel Rapid Start "Enabled" in the BIOS
2. Make a 8GB partition in the SSD
3. Format it using "set id=D3BFE2DE-3DAF-11DF-BA40-E3A556D89593" (for GPT)
4. Restart
5. Run Intel Rapid Start setup.exe downloaded from Sager Drivers site

But it says "your computer does not meet the minimum requirements". What's wrong?

Windows 8.1 Pro x64
GPT partitions
AHCI Mode


>>> UPDATE (WORKING)!!!!

First I thought the problem was that I was using the system in AHCI mode, then I switched to RAID using this very simple tutorial that I got from EightForums (http://www.eightforums.com/installation-setup/24141-con...).

In RAID the problem persisted, then I tried to change the partition size from 8GB to 16GB (same amount of the RAM), and BAM! it worked. Intel Rapid Start setup must be checking the RAM of the PC to MAKE SURE that you allocate at least the same size of RAM in the SSD, so in the end I have Rapid Start working and 16GB of my SSD allocated to it.

The question that persists now, do I really need RAID or not? Because the problem seems to be with the size of the partition I was using, not the AHCI/RAID thing, now I'll stay with RAID as I don't feel the need to go back to AHCI, is that Ok? Any big deal about AHCI vs RAID, remembering that nothing here is truly in RAID 0, 1, whatsoever. My SSD is 256GB and my HDD is 750GB and I don't use Intel Rapid Storage.

Thanks for your help!
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a b G Storage
May 19, 2014 9:17:40 PM

Ahci is a subset of raid so anything not in an array is really in ahci.
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May 20, 2014 10:49:21 AM

k1114 said:
Ahci is a subset of raid so anything not in an array is really in ahci.


Thanks for everything!
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