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Seems this either a typo, or a contradiction: |
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"The USB 3.0 sockets are backward-compatible with older ... cables" |
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would mean I can use the old cables for 3.0, but then |
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"but older USB cables are not forward-compatible with USB 3.0" |
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says I can NOT use the old cables. |
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I have no 3.0, but some day I probably will, so I'd like to know what |
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exactly you mean. |
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|
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kind regards |
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|
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michael |
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|
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-- |
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Michael Scherer |
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Univ.klinik f. Psychiatrie |
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email: michael.scherer@×××××××××××××.at |
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phone: +43 6991 941 22 54 |
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|
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----- Original Message ----- |
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From: "Mark Knecht" <markknecht@×××××.com> |
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To: <gentoo-amd64@l.g.o> |
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Sent: Monday, 07 May, 2012 17:43 |
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Subject: Re: [gentoo-amd64] Drivers For USB HDD |
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|
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|
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> On Mon, May 7, 2012 at 8:21 AM, Paul Hartman |
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> <paul.hartman+gentoo@×××××.com> wrote: |
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>> On Mon, May 7, 2012 at 10:00 AM, Mark Knecht <markknecht@×××××.com> wrote: |
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>>> here are 3 or now I |
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>>> think 4 different USB specs - EHCI, OHCI, UHCI, and then whatever USB |
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>>> 3.0 is using |
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>> |
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>> XHCI |
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>> |
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>> Furthermore, USB 3.0 has 9-pin ports and cables (for type-A) versus |
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>> the 4-pin of USB 1/2. The USB 3.0 sockets are backward-compatible with |
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>> older USB devices and cables, but older USB cables are not |
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>> forward-compatible with USB 3.0. |
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>> |
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> |
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> Good point. None of my USB 2.0 drives work in my USB 3.0 port. I do |
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> have a USB 3.0 drivers, supposedly, and one drive that claims to be |
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> eSata/USB 3.0 compatible, but I've not tried to get it working using |
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> USB 3.0. |
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> |
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> - Mark |
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> |
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> |