SATA 300 mobo and drives but only connected at SATA 150

Posted by Shevek on Super User See other posts from Super User or by Shevek
Published on 2010-03-19T18:44:17Z Indexed on 2010/03/19 18:51 UTC
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I have an Abit AB9 QuadGT motherboard which supports SATA 300 drives

Connected to it I have a Kingston SSDNow V Series 64GB as boot drive and a Seagate Barracuda 7200.10 as a data drive.

I also have 2 x Optiarc AD-7170S DVD burners attached by SATA

Both SSD and HDD are SATA 300 and the optical drives are SATA 150

I have just run CrystalDiskInfo and this is reporting that both SSD and HDD are connected at SATA 150, not SATA 300.

I have the BIOS set up to use SATA drives in IDE mode.

So a few questions:

  1. Is CrystalDiskInfo reporting correctly?

  2. Are the optical drives causing the SSD & HDD to connect at the slower rate?

  3. Is there any setting to force the SSD & HDD to use SATA 300?

I'm running Windows 7 Ultimate

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