OS/2, eCS & ArcaOS - Technical > Storage

eSata

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Pete:
Hi Martin

I think you should mention the following

   1] eSATA works as per SATA ie must power off system to eject drive.

   2] eSATA support was dropped at some point, I do not know when.


Regards

Pete

Doug Bissett:

--- Quote ---1] eSATA works as per SATA ie must power off system to eject drive.
--- End quote ---

Not true. SATA and eSATA, are both hot plug technologies. Power off is not required to physically attach, or detach, either one. In OS/2 you MUST close out the file systems before detaching them (shut down the system). You can attach them, at any time, but in OS/2 you must reboot to get them recognized.

Note that some systems have a physical connector for eSATA, and the BIOS should, automatically, recognize that port as being for eSATA. Other systems may use an adapter (or just a cable) that plugs into a normal SATA connector on the motherboard. In that case, the BIOS should have a setting to tell it that the port is used with eSATA (but that doesn't seem to exist in all cases). In fact, that is only used with operating systems that recognize that eSATA can be plugged in, at any time, so it is irrelevant to OS/2.

I am not familiar with eSATA(p), so I don't know how the connector gets power for the external device. The devices, that I have, all use their own power source.


--- Quote ---2] eSATA support was dropped at some point, I do not know when.
--- End quote ---

Not true. All that was dropped is the built in eSATA connectors. You can still use eSATA devices connected to normal SATA ports (see above).

ivan:

--- Quote ---I am not familiar with eSATA(p), so I don't know how the connector gets power for the external device. The devices, that I have, all use their own power source.
--- End quote ---

In all the systems I have seen the eSATA socket is beside a USB socket and in a couple of cases the manuals stated that the eSATA was for use with a 2.5inch drive powered from the USB socket - in fact one of them came with the connecting cable rather like the SATA/USB unit in the attached picture except the prime connector was eSATA with the USB power hanging off it.

Martin Iturbide:

--- Quote from: Doug Bissett on March 25, 2021, 08:05:31 pm ---

--- Quote ---2] eSATA support was dropped at some point, I do not know when.
--- End quote ---

Not true. All that was dropped is the built in eSATA connectors. You can still use eSATA devices connected to normal SATA ports (see above).

--- End quote ---

Hi

I think that what Pete means is that newer versions of the Icy Box dropped the eSATA support and replaced it for USB3. Did I get it right?

Regards

Pete:
Hi Doug

We are discussing an external drive case that used to have eSATA and USB3 sockets but which now only has USB3 socket - so there is no longer an option to use it as eSATA drive, it is now USB only.


Regards

Pete

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