OS/2, eCS & ArcaOS - Technical > Hardware

M.2 Question

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Martin Iturbide:
Hi

Just checking the hardware world today, trying to upgrade my brothers PC with a M.2 SSD I noticed that there two kinds of M.2 SSD.
1) M.2 SATA.
2) PCI express, PCIe or NVMe.
Here it is an article that I was reading about it. According to the article M.2 is just the form factor, so it is always important to check which technology it uses.

My question is, are both kind of technology on this form factor (M.2) not working on OS/2 - ArcaOS ?  or just one ?

Regards

Update: Corrected SDD to SSD

Valery Sedletski:
At least, NVMe requires special drivers for each OS, they are incompatible with AHCI (other similar standard).
So, it is impossible to use under OS/2, unless someone will write a driver. From the last Warpstock I heard that AN
plans to write a NVMe driver.

Martin Iturbide:
Hi Valerius.

So a M.2 NVMe card will not work on OS/2/ArcaOS for sure.
What about a M.2 SATA card? Is it supposed to work like a normal SATA HDD ?

Regards

Sigurd Fastenrath:

--- Quote from: Martin Iturbide on May 23, 2019, 11:48:57 pm ---Hi Valerius. So a M.2 NVMe card will not work on OS/2/ArcaOS for sure.
What about a M.2 SATA card? Is it supposed to work like a normal SATA HDD ? Regards

--- End quote ---

Ja, (Yes) I am running my Customized Warp 4 and/or ArcaOS 5.03 on my Thinkpad 25. That was originally equiped with an M2 NVme 512GB SSD that I myself replaced with a M2 2280 1TB SATA SSD.

But please keep in mind: not all NVMe still do have SATA backward compatibility or a seperat SATA Controller, as far as I know.

You can read more about my observations with this problem and more about OS/2 on the Thinkpad 25 etc. here:

https://www.os2.org/viewtopic.php?f=2&t=1417&p=10398&hilit=Thinkpad+25#p10398

and here:

https://thinkpad-forum.de/threads/214300-Umbau-Thinkpad-25-Ich-mach-mir-meine-Welt-wie-sie-mir-gef%C3%A4llt

Martin Iturbide:
Thanks Valerius, Sigurd.

I wrote this on the wiki: https://www.os2world.com/wiki/index.php/M.2_and_OS/2
Let me know any suggestions you may have.

Talking about the M.2 form factor, does anybody knows if there any wireless adapter working on this kind of connector? I'm guessing if the same chipset supported on OS/2 (GEMAC / GENMU) will also work on M.2, but I think it is kind of unlikely to find it, because the supported chipsets may be old now.

Regards

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