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On Thursday 16 December 2010 07:47:18 Mark Knecht wrote: |
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> On Thu, Dec 16, 2010 at 7:29 AM, Volker Armin Hemmann |
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> <volkerarmin@××××××××××.com> wrote: |
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> <SNIP> |
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> |
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> > again, the hardware to hotplug is built into every sata connector. What |
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> > is left is the controller not getting confused and the driver. |
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> |
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> Every SATA connector? External connectors yes. Internal connectors no. |
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wrong. EVERY connector. |
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The arrangements of the the contacts guarantee an electrical save hotplug |
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event. |
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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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> |
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> Interested readers should be _VERY_ careful about listening to |
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> previous advice. The major difference between the internal and |
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> external SATA cables & connectors, a ***particularly*** important part |
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> of hotplugging, is that the external connector ensures that ground is |
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> connected before the signals. |
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this is true for ALL connectors. |
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> This ensures that in the case of static |
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> electricity the drive becomes grounded to the computer which is done |
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> to eliminate ESD (electro static discharge) events which will damage |
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> either the drive or the controller. (Depending n which is charged.) |
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> |
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> If you are using an internal power supply and have drive power already |
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> attached when you hotplug an internal cable then likely you will be |
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> just fine. |
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> |
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> If, on the other hand, you have a SATA drive sitting on a bench using |
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> a separate power supply then hotplugging with an internal cable is not |
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> recommended. |
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and suddenly you are opening a completely different box. |
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