Windows 10: MSAHCI in the new tech preview?

I noticed a little difference in the controller after checking my SSD last night, this is on my laptop in my specs (Other info)

This was a clean install of Win 7,





It automatically used msahci during install.

This was a clean install of the Tech preview,





It automatically used amd_sata.

I will say that test above is a lot better than my first one I did last night which was a score of 170ish.

There is no option in the BIOS to enable AHCI either, it's a pretty basic BIOS.

This is an A6 3420M APU. I don't really notice any difference, just an observational post.

:)

 

ATA mode to ACHI

Hi there,

I've upgraded to Windows 10 from W7prod 64 and all seemed well until I tried to add another disk. The BIOS need to be set to AHCI to make the port available but if I change it the computer won't start. I need to change something in Windows I guess but
don't know what.

Checking the net I find that the solution for W7 was as below but this doesn't work for Windows 10 because the msahci key referred to just isn't there:-

• 
  Press Windows key + R from the Keyboard.
  
• 
  Type regedit and hit Enter.
  
• 
  Browse to HKLM\System\CurrentControlSet\Services\msahci\
  
  
• 
  Change the DWord value named "Start" from "3" (ATA) to "0" (AHCI)
  
• 
  Shutdown the computer.
  
• 
  Power the computer back on, making sure to enter the BIOS and change the SATA Operation to AHCI.
  
• 
  Save the change.
  

Has anyone any solutions to this problem?

Thanks in advance

Andy

 

I am a Master on the Tech, BUT my NEW, Expensive Windows 10 Computer will not take the update. Tried it all for Months. CAN ANYONE HELP ME?

Try a clean install of Windows 10. That often fixes issues that you are having.

 

I wouldn't have thought there should have been that big of a difference.

 

Yeah, the first run I did and got that 170 kind of threw me.

 

You got new AMD AHCI drivers, I had to download and install them for Win8 early on. Looks like you are running on AHCI anyway and BIOS was already set like that.