New builder - Samsung SSD and Seagate HDD not showing in BIOS in AHCI

IncredibleMacho

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Feb 15, 2014
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CPU - AMD FX-8350 4.0GHz 8-Core Processor
Motherboard - ASRock 970DE3/U3S3 ATX AM3+
SSD - Samsung 840 EVO 120GB 2.5"
HDD - Seagate Barracuda ES 1TB 3.5" 7200RPM

I am attempting to install Windows 8.

The SSD is SATA3 and plugged in the SATA3 slot. The HDD is SATA2 and plugged in a SATA2 slot. Both power cables are connected (learned that lesson already!)

In BIOS, I can not see any SATA3 ports (meaning my SSD). I am assuming this can be solved with a driver update. I can see my HDD, but only in IDE mode. When I switch to AHCI, the HDD disappears.

However, when I look at boot order both drives are available.

I can see both drives in diskpart.

What gives? How important is AHCI to a fresh Windows 8 install? Can I install now using IDE, and then switch to AHCI later after I've installed all the necessary drivers? Should I even be worrying about my HDD not showing up in AHCI if I'm going to disconnect it anyway to install Windows?
 
Solution
most important thing is if you can install windows under ACHI? so does the windows installer see the drive?

Also, when installing an OS in a system with multiple drives, best to have only the main OS drive plugged in, keep the bootloader form being installed on the wrong drive
most important thing is if you can install windows under ACHI? so does the windows installer see the drive?

Also, when installing an OS in a system with multiple drives, best to have only the main OS drive plugged in, keep the bootloader form being installed on the wrong drive
 
Solution

IncredibleMacho

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Feb 15, 2014
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Not sure...I will check and update this post.

UPDATE: When it asks me where I want to install Windows, my SSD is listed. I disconnected my HDD for now. I have AHCI set in BIOS. I assume I'm good to go?
 

IncredibleMacho

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Feb 15, 2014
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Yeah maybe I'm just overthinking this. Windows is currently installing on the SSD...can troubleshoot the HDD later if needed.