SATA SSD using SCSI drivers?

[longinthetooth]

Just built system and after loading Win10, discovered my M2 SSD seemed normal but my SATA only had a few Mg bit instead 500GB of space. All Storage seems to have defaulted to SCSI storage drivers not SATA?

 

[photonboy]

May need to tell us your MOTHERBOARD and SATA SSD device.

Just to clarify, for the SATA SSD you did the following?

1) attached via SATA cable to SATA connector on motherboard
2) use Disk Management to initialize and format the SSD

I checked all three USB HDD's, internal HDD/SSD's and none of mine mention SCSI in Device Manager-> Disk Drives.

 

[karenjoly]

What do you mean the M2 seemed normal ? What mainboard is used? Which M2 SSD is installed ? There are two kinds. What OS ?
SCSI enumeration is common for NVMe m2 drives in Control Panel's disk drive section. The driver is enumerated for such devices in the storage controller section.

 

[longinthetooth]

Thank you for your prompt replies, very encouraging.
I don't want to imply anything was normal. Just my M.2 HP SSD EX920 256GB on the surface seemed normal eg, 250GB in size, my legacy HDD was normal size and the data was as expected. But the Crucial MX500, was 50% full and I hadn't loaded anything to it! The system thought it was just MB not GB in size? On investigating looked at the drivers and event:

Device SCSI\Disk&Ven_CT500MX5&Prod_00SSD1\4&2f7850b9&0&010000 was configured.

Then investigated all 3 drives, eg, under the Update drivers they all referenced SCSI driver options not SATA? Is this why the Crucial is bizarre?
Motherboard ASROCK H270 Pro4
Can't find any decent support for ASROCK UEFI BIOS setup! All glitz and no substance.
Am thinking I should start again. ie, format the M.2 and the crucial.

 

[photonboy]

My best guess is a BIOS setting but I've not seen this issue.

1) BIOS up to date (v2.60 ?)

2) UEFI enabled... I guess for now in EZ-Mode just choose "UEFI Default" settings? (very confusing manual... pg. 45 you press "F3" or "3" ?)
http://asrock.pc.cdn.bitgravity.com/Manual/H270%20Pro4.pdf

3) make sure no RAID is selected... SATA should be enabled with AUTO settings

OTHER:
Please note on Pg. 21 which SATA connections are disabled if you populate the M.2 slots. (M2_1 disables #5, and M2_2 disables #0)

 

[longinthetooth]

My best guess is a BIOS setting but I've not seen this issue.

1) BIOS up to date (v2.60 ?)

2) UEFI enabled... I guess for now in EZ-Mode just choose "UEFI Default" settings? (very confusing manual... pg. 45 you press "F3" or "3" ?)
http://asrock.pc.cdn.bitgravity.com/Manual/H270%20Pro4.pdf

3) make sure no RAID is selected... SATA should be enabled with AUTO settings

OTHER:
Please note on Pg. 21 which SATA connections are disabled if you populate the M.2 slots. (M2_1 disables #5, and M2_2 disables #0)

Thanks will check all these. Am certain about the last point, so avoided the SATA 3-0 and3- 5

 

[karenjoly]

Thank you for your prompt replies, very encouraging.
I don't want to imply anything was normal. Just my M.2 HP SSD EX920 256GB on the surface seemed normal eg, 250GB in size, my legacy HDD was normal size and the data was as expected. But the Crucial MX500, was 50% full and I hadn't loaded anything to it! The system thought it was just MB not GB in size? On investigating looked at the drivers and event:

Device SCSI\Disk&Ven_CT500MX5&Prod_00SSD1\4&2f7850b9&0&010000 was configured.

Then investigated all 3 drives, eg, under the Update drivers they all referenced SCSI driver options not SATA? Is this why the Crucial is bizarre?
Motherboard ASROCK H270 Pro4
Can't find any decent support for ASROCK UEFI BIOS setup! All glitz and no substance.
Am thinking I should start again. ie, format the M.2 and the crucial.

This is your HP M2 drive .
http://www.legitreviews.com/hp-ssd-ex920-1tb-m2-drive-review_204606

Note it is not a sata drive but an NVMe drive and will be listed, as I mentioned originally, in Device Manager/Disk Drives as a scsi and the driver support is in Storage Controller. The Crucial drive has a sata connection. I have no information on the HDD but it may be sata as well.
Do not concern your self with the event description reference to "scsi" in the properties section of the sata devices. That's windows enumeration and not an indication that sata is misidentified.
After all this is sorted, nothing appears to be in error, your issue appears to be just an incorrect data count on the HDD. You can investigate that further by looking at the drive in Windows Explorer.

 

[longinthetooth]

I am getting closer to the nub of the issue. It seems these disk are preconfigured, initialized, as MBR boot disks. I suspect both the HP M.2 and the Crucial MX500. As I loaded the O/s system to the M.2 drive it seems it is effectively reformatted automatically by Win 10 ( I'm guessing it uses the same ASO Reset your PC operation). Defaulting to MBR. Strange as all the doco says don't use MBR on modern drives, except portables! The crucial disc although visible to the BIOS, isn't visible to the File Mgr as it doesn't have a disk letter and label. It is visible in Disk Mgr. However, it seems Crucial set it up as a Bootable disc, it means there are many limitations on what one can do. Even using diskpart, you can't clean, format, convert from MBR to GPT, etc. I think this potentially a significant issue, as disks get bigger, ie, MBR has size contraints, and seems to have been replaced by GPT except MS and the hardware vendors are defaulting to out of date concepts. I hop Tom's Hardware picks this up. It may apply to other vendors. From reading online I can pay someone to format my brand new unused disk, which really p... me off. It seems it has to be done outside Windows?
I'm definitely not in my technical comfort zone!