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Windows 7: Show us your SSD performance

06 Feb 2012   #2621
StupidUser

Microsoft Windows 7 Ultimate 64-bit 7600 Multiprocessor Free
 
 

Quote   Quote: Originally Posted by essenbe View Post
It is always good to have updated drivers. But, I really don't understand the problem you are having. But, you can use Microsoft's AHCI driver or Intel's AHCI driver.It will work very well either eay. Microsofts drivers are provided by the OS. The registry edits and changing bios is what is supposed to make those drivers load. Microsoft's drivers (MSAHCI) will do well. I ran my SSD with them for about a year and was very happy with it. If I understand the problem correctly, it appears the problem is in your bios. The issue seems to be you setting AHCI in bios and bios not saving the settings. The honest answer is I really don't know. Bios should save whatever settings you change if you save and exit after making them.
Just to clarify, I did trick the BIOS into saving AHCI setting. But then Windows wouldn't start. Can anyone suggest next steps?


My System SpecsSystem Spec
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06 Feb 2012   #2622
fseal

Windows 7 x64 Ultimate
 
 

Well you can try starting in safe mode and /maybe/ you'll get lucky and windows can install the proper AHCI drivers, then reboot in normal mode. I've actually gotten this to work.

Otherwise there is a longer approach but you need to start with it back working again and make some changes to the registry. There is a tutorial here:

change storage controller to AHCI mode post install (win7 64-Ultimate)

[Ooops, that's the wrong link, right one is here:]

AHCI : Enable in Windows 7 / Vista
My System SpecsSystem Spec
06 Feb 2012   #2623
carwiz

Windows 7 Pro-x64
 
 

I would check with Lenovo and see if there's a BIOS update. It appears to me that's where the problem starts. It could be that the chipset doesn't support AHCI or SSDs. Keep in mind this is a Core 2-Duo from 2008. I'm not familiar with Lenovo notebooks but I find it odd that PCI is one of the interface options for disk. Perhaps the chipset for the host controller is combined with the PCI bus controller and the BIOS doesn't implement AHCI. It wouldn't be the first time a manufacturer had stepped firmware (options) to control price levels among model groups.

Just a thought.
My System SpecsSystem Spec
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08 Feb 2012   #2624
Snakeyeskm

Win 7 64 bit professional
 
 

In earlier posts there was considerable discussion regarding "over provisioning" and SSD size/capacity with particular focus on Intel SSD's. Tom's hardware has a very interesting piece on the new 520 Intel SSD that sheds some interesting clarity on both those discussions (in the last few paragraphs). I thought it would be an interesting read.There is some limited discussion on "raise" that is being employed by many manufacturers.

Intel SSD 520 Review: Taking Back The High-End With SandForce : Intel
My System SpecsSystem Spec
08 Feb 2012   #2625
1Bowtie

Windows 7 Home Premium 64 bit
 
 

Quote   Quote: Originally Posted by Snakeyeskm View Post
In earlier posts there was considerable discussion regarding "over provisioning" and SSD size/capacity with particular focus on Intel SSD's. Tom's hardware has a very interesting piece on the new 520 Intel SSD that sheds some interesting clarity on both those discussions (in the last few paragraphs). I thought it would be an interesting read.There is some limited discussion on "raise" that is being employed by many manufacturers.

Intel SSD 520 Review: Taking Back The High-End With SandForce : Intel
Thanks for the article Snakeyeskm it's a very interesting read.
My System SpecsSystem Spec
08 Feb 2012   #2626
Brink
Microsoft MVP

64-bit Windows 10
 
 

Note   Note
My System SpecsSystem Spec
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