HDD not recognized by SATA express

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Barryallen91

Commendable
Jan 23, 2017
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I have a gigabyte H170 motherboard and am already using two SATA ports that are not in express configuration without problem. I want to mount a third HDD but bios wont recognize the drive if I plug it into any of the SATA express ports. The new drive and cable works as I plugged them into one of the two SATA ports that I have already been using but that would mean my SATA express ports are useless.
 
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B
Well I figured it out. I have a m.2 PCIEx4 SSD and using that disables all of the SATA express ports. Welp shouldve figured that out sooner. According to the manual though if I move the m.2 SSD to thr other slot I can use all the SATA ports.
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greens

greens

Splendid
Jan 27, 2012
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What is the exact gigabyte H170 you have?
Do you have your manual?

I believe your problem is that the SATA Express port is actually SHARED. If you have a drive plugged into one of the internal ports that powers the SATA Express port - the SATA Express port will be inactive.

Check your manual for some notes regarding this. (Or, just try moving the internal SATAs to different SATA ports in the hopes that you free up your SATA Express)
 
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Barryallen91

Commendable
Jan 23, 2017
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1,520
I am already using two SATA 3 ports on the motherboard. The other 4 are in SATA express configuration. So to add another drive I would need to use one of the 4 SATA 3 ports that make up the 2 SATA express ports.
 
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greens

greens

Splendid
Jan 27, 2012
3,773
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26,965
AH, then i think the solution might be...

Go into your UEFI and set up your SATA to run in SATA mode, disabling SATA Express.

I apologize - i was misunderstanding you from the get go. I believe a simple setting switch in your UEFI will solve this.
 
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ArtPog

Admirable
Sep 17, 2014
2,951
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Your motherboard can accommodate a half-dozen SATA drives. You can connect a SATA drive to the SATA Express ports should the need arise. Do you have some special need to utilize the SExp ports for some specific purpose other than simply connecting one of your HDDs (or SSDs) to a SExp port?

For all practical purposes SEpr is a dead-in-the-water technology. It was originally designed as a SATA interface for devices that would be specifically designed for SATA Express but they never materialized since SSD manufacturers (by & large) exhibited no interest in this technology. (ASRock has a front panel USB 3.1 adapter that utilizes the SExp connectors that's included with one of their high-end Z170 motherboards (and I guess with one or more of their Z270 motherboards that recently became available.))
 
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B

Barryallen91

Commendable
Jan 23, 2017
16
0
1,520
Well I figured it out. I have a m.2 PCIEx4 SSD and using that disables all of the SATA express ports. Welp shouldve figured that out sooner. According to the manual though if I move the m.2 SSD to thr other slot I can use all the SATA ports.
 
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