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On Thursday 16 December 2010 09:31:34 Alan McKinnon wrote: |
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> Apparently, though unproven, at 23:46 on Wednesday 15 December 2010, Mark |
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> |
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> Knecht did opine thusly: |
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> > On Wed, Dec 15, 2010 at 1:16 PM, Alan McKinnon <alan.mckinnon@×××××.com> |
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> |
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> wrote: |
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> > > Apparently, though unproven, at 23:02 on Wednesday 15 December 2010, |
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> > > Volker |
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> > > |
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> > > Armin Hemmann did opine thusly: |
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> > >> and where do you get that internal ports can't do hotplug? |
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> > > |
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> > > He never said that. Here's what he did say: |
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> > > |
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> > > 1) Internal SATA drives are at the end of a single cable and don't |
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> > > require hot-plugging logic be built into the SATA port driver on the |
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> > > SATA controller because they are always powered up. (They are inside |
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> > > the case) |
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> > > |
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> > > |
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> > > "don't require" != "can't do" |
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> > |
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> > Thank you Alan. |
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> |
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> You're welcome. This raises an interesting question - hotplugging isn't |
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> mandated but it is implemented widely. How widespread is it? Eg can we |
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> reasonably assume a recent motherboard probably does support it? |
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> |
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> I thinking of USB daisy chaining - it's possible but hardly ever used, so it |
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> might as well not even be in the spec at all |
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again, the hardware to hotplug is built into every sata connector. What is |
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left is the controller not getting confused and the driver. |
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|
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AHCI as a standard says yes to hoplugging. So as long as you use a AHCI |
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compliant sata controller you can hotplug. |
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