Second SSD drive not recognized in BIOS but still works in Windows 7

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H

hips and nips

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Nov 15, 2015
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4,510
I Installed a second SSD drive and it has worked for a while now, seemingly with no problems. However, I noticed the other day that Intel Rapid Storage process (IAStorDataMgrSvc.exe) is taking up 25% of my CPU resources. So I read about it and some threads suggested that the SSD drive(s) were not in AHCI mode and to check BIOS. So I did and it is in AHCI mode but then I noticed that the second SSD drive is not even recognized in BIOS yet I have been using it...any ideas what's going on here and how I can fix this issue (hopefully without wiping drive)?
 
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bailojustin

bailojustin

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Dec 7, 2014
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I would try using diskpart
type list disk
type select disk "x" X being the SSD you have that does not show up
type online

also why not let it be sata? why ahci?, I have a feeling that its just seeing this SSD as a plug and play, like an external,
 
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H

hips and nips

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Nov 15, 2015
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4,510
I really don't know why I'm using AHCI other than it was suggested to me to be the preferred setting. Drive does show as online in Disk Management and I have been using it but I have a feeling you are correct about it being considered as an external drive. The mode choices in BIOS are either IDE or AHCI. Diskpart is a third party prog that can fix switch these modes with no harm to data?

Oh, I see now that diskpart is a command-line interface included in some Windows OS's. Using this would be the way to go rather than somehow fixing it through the BIOS?

Also, if I had to guess, I think I was told to use AHCI to avoid using Intel Rapid Storage. It was a long time ago that I had made the decision, though.
 
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bailojustin

bailojustin

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Diskpart is windows disk management in command prompt, it could change it if you wanted. But in your bios will be those settings. Just make sure it's in sata 1 or 2, that way it will be sata, some have slots 4-6 as only ide or ahci
 
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H

hips and nips

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Nov 15, 2015
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Yes, it has a letter h assigned to it. I'm waiting for an internal wifi card to come in. Soon as I get it I'll open up PC and try a diff port and get back to this thread on the results...but, in your opinion, would I lose the drive if I disable Intel Rapid Storage at this point? My whole original intention was to stop that process from taking up 25% of my CPU's resources.
 
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bailojustin

bailojustin

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You wouldn't lose the drive, the intel rapid storage you don't even need, it's just slightly speeds up the disk performance by remembering most common applications and what not, Disable IRS and you will be able to just download a regular windows driver insyead, put the disk into sata, and just set it to no page file on the ssd and the pagefile on your hdd.

If you have a problem after changing it to sata, use diskpart, to reformat and clean, unless you want to keep the info.

I don't see why it would have an issue going from ahci to sata.
 
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H

hips and nips

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Nov 15, 2015
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4,510
I killed the IRS service and ran a benchmark on both SSD drives. Both drives operate at the same speeds and there has been no issues since stopping the IRS service so I'm not going to worry about it anymore. CPU is freed up and everything is silky smooth. Thanks for help.
 
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