how to enable ACHI in my BIOS? cant find them or in the manual!

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i have a MSI 890gxmG65 motherboard, ive read the manual from msi's site and cannot find anything specifically stating achi. does anyone have more experience with this?

i just purchased a samsung evo 500gb ssd, originally when i installed it was gpt i believe and had to erase/wipe everything and reformat it in windows installer to get it to boot but now i want to make sure i can use achi for the performance.

thanks!
 
Solution
photonboy
*AHCI only shows up if you enable "RAID MODE".

I'm not completely sure how that works.

I suspect you would do THIS:

1. update BIOS if newer exists
2. unhook all but SSD (use GREY SATA connection I think)
3. ensure "AHCI" is set under RAID
4. Install Windows
5. Verify AHCI mode is working http://everydaylife.globalpost.com/check-ahci-mode-properly-enabled-21248.html
6. drivers: chipset, video etc
7. software: anti-virus, etc (I use KLite for video which is great for W10 as well: http://www.codecguide.com/download_kl.htm )

Other:
The following link is for if you already have installed Windows (or cloned) to your SSD but now want to enable AHCI. This is the "workaround" I mentioned. Click the microsoft link or Google for a different...
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does this have to be done via CMD at the start of the install page or is this totally prior to with no OS on the ssd?
 
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photonboy

photonboy

Titan
Jun 20, 2006
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Prior.

1. Change to AHCI in BIOS.
2. Install Windows.

Having said that, there are workarounds to change an existing Windows installation but I strongly recommend a fresh installation. If upgrading to Windows 10 I strongly recommend waiting another month. Thus:
1. Change to AHCI in BIOS
2. Install Windows 7/8
3. Upgrade to W10 (say October 2015)
4. Do a CLEAN INSTALL if any issues (can't do a clean install from the start if upgrading to W10)

I will check your manual and get back to you...
 
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i have windows 7 pro, and a windows 8.1 enterprise(cant upgrade to 10) but my end goal is to be at 10.. when stable..

so i guess, (after my class lecture @ 9am) i will change to ahci(but first i have to find this feature) and again, reinstall windows...

 
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photonboy

photonboy

Titan
Jun 20, 2006
21,567
13
85,015
*AHCI only shows up if you enable "RAID MODE".

I'm not completely sure how that works.

I suspect you would do THIS:

1. update BIOS if newer exists
2. unhook all but SSD (use GREY SATA connection I think)
3. ensure "AHCI" is set under RAID
4. Install Windows
5. Verify AHCI mode is working http://everydaylife.globalpost.com/check-ahci-mode-properly-enabled-21248.html
6. drivers: chipset, video etc
7. software: anti-virus, etc (I use KLite for video which is great for W10 as well: http://www.codecguide.com/download_kl.htm )

Other:
The following link is for if you already have installed Windows (or cloned) to your SSD but now want to enable AHCI. This is the "workaround" I mentioned. Click the microsoft link or Google for a different link:
http://www.tomshardware.com/forum/297232-32-achi-mode-wont-boot

Not sure if you have Windows on a hard drive already. If so you might try using Machrium Reflect Free to clone things, but unless it's a hassle I'd do a clean install to the SSD.
 
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Solution
G

Guest

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thanks photon, i will try this in a few hours..will let you know what i find out!!
 
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Guest


thanks again man, there was an option in my bios that said raid, ide, and ahci i found.. i enabled that, installed 7 pro, and chekced under dev mgmt and it looks like it is enabled..



now if i run a 1tb sata hdd can it still function if im using ahci? i would be using that as my storage for everything non-windows/system related


 
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