- Jan 9, 2015
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Computer Specs: Windows 8.1, Asus Sabertooth X79 Motherboard, Intel Core i7-3820
I have 3 main Hard drives in my computer that I use for various things. 2 SSD's and 1 HDD. Ever since I added the 3rd drive (a 2nd SSD) I've been having an issue where upon startup only 2 drives will be detected by BIOS. The way the SATA ports are setup in this motherboard are as follows: 2x Intel 6gb/s Ports, 4x Intel 3gb/s Ports, 2x Marvell 6gb/s Ports. It seems that whatever 2 drives are plugged into the Marvell SATA ports are ALWAYS detected. The issue comes with whatever drive I have in the Intel ports. Originally when I had first purchased the 2nd SSD I had that drive in the Intel ports and the other 2 drives in the Marvell Ports. BIOS detects all 3 drives one time upon plugging them in, and then the next time the computer is shut down and started up it only detects the 2 in the Marvell slots. From then on it continues to only detect 2 until I physically change the SATA port that the 3rd non-detected drive is occupying. Once I do this, the next startup will detect all 3 drives, but then any subsequent startups after that will go back to only detecting the 2 Marvell slots until I change the port of the 3rd one again. I've tried both versions of the Intel SATA ports and each one returns the same issue.
So far I've eliminated the drives being the issue because I've had both the new SSD and the HDD in those "non-detected" ports. Both showed the same issue.
I can't imagine its a power supply issue (running a Corsair HX750) because I've had 5+ hard drives working simultaneously (the 3 internal and a few externals for work).
None of my drivers/components in Device Manager show any sort of warning signs or issues, though I'm not 100% certain that all of them are updated to the absolute latest drivers.
I just can't seem to figure out what the issue could be.
Any help would be greatly appreciated. I'll answer any further questions anyone may have in regards to finding the cause of this issue to the best of my abililty.
I have 3 main Hard drives in my computer that I use for various things. 2 SSD's and 1 HDD. Ever since I added the 3rd drive (a 2nd SSD) I've been having an issue where upon startup only 2 drives will be detected by BIOS. The way the SATA ports are setup in this motherboard are as follows: 2x Intel 6gb/s Ports, 4x Intel 3gb/s Ports, 2x Marvell 6gb/s Ports. It seems that whatever 2 drives are plugged into the Marvell SATA ports are ALWAYS detected. The issue comes with whatever drive I have in the Intel ports. Originally when I had first purchased the 2nd SSD I had that drive in the Intel ports and the other 2 drives in the Marvell Ports. BIOS detects all 3 drives one time upon plugging them in, and then the next time the computer is shut down and started up it only detects the 2 in the Marvell slots. From then on it continues to only detect 2 until I physically change the SATA port that the 3rd non-detected drive is occupying. Once I do this, the next startup will detect all 3 drives, but then any subsequent startups after that will go back to only detecting the 2 Marvell slots until I change the port of the 3rd one again. I've tried both versions of the Intel SATA ports and each one returns the same issue.
So far I've eliminated the drives being the issue because I've had both the new SSD and the HDD in those "non-detected" ports. Both showed the same issue.
I can't imagine its a power supply issue (running a Corsair HX750) because I've had 5+ hard drives working simultaneously (the 3 internal and a few externals for work).
None of my drivers/components in Device Manager show any sort of warning signs or issues, though I'm not 100% certain that all of them are updated to the absolute latest drivers.
I just can't seem to figure out what the issue could be.
Any help would be greatly appreciated. I'll answer any further questions anyone may have in regards to finding the cause of this issue to the best of my abililty.
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