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On 2020.10.14 16:02, antlists wrote: |
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> On 14/10/2020 19:58, Grant Edwards wrote: |
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>> On 2020-10-14, antlists <antlists@××××××××××××.uk> wrote: |
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>> |
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>>> Does your mobo support NVMe drives? Just be aware my mobo is crap in |
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>>> that it says it supports two graphics cards, NVMe, etc, but if you |
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>>> stick |
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>>> an NVMe in the second graphics card is disabled, or if you use both |
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>>> the |
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>>> NVMe slots you lose a couple of SATA ports, or whatever. Bit of a |
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>>> PoS in |
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>>> that regard. |
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>> |
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>> I think that's pretty common. NVMe uses PCI-express channels that are |
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>> often shared with one of the PCI-express "slots" on the motherboard. |
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>> As a result you can't use both at the same time. |
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>> |
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> Is that the sign of a cheap/rubbishy mobo? |
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> |
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> Which is why I'm somewhat pissed off with that motherboard and the |
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> shop... |
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> |
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> I took in a home-built system - with a £90 Gigabyte mobo - and said |
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> "it won't boot, I suspect the BIOS needs upgrading". When I went to |
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> fetch it, they said "it won't boot, the mobo's duff, so we've |
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> replaced it". They gave me the old mobo back, which I discovered was |
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> still under warranty so I sent it off ... came back "nothing wrong, |
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> we've updated the BIOS and it works fine" !!! |
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> |
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> Bearing in mind (a) I need SATA ports for RAID, and (b) I want to run |
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> double-headed so I need two graphics cards, I'm well pissed that they |
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> charged me about £150 for the mobo (because they had difficulty |
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> finding one with loads of SATA ports), but as soon as I stick the |
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> second graphics card in some of the SATA ports stop working! |
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Why do you need two graphics cards? I've been driving two monitors off |
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each of the last several graphics cards I've used - both nVidia and |
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ATI, from simple PCI to PCIE needing the extra power connector. |
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> |
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> As far as I can tell the original Gigabyte has sufficient channels to |
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> drive everything no problem! I won't be using THAT shop again ... |
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> |
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> Still. The old mobo will be going in a new case (it wouldn't fit it |
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> my spare) which will be a Coolermaster with room for plenty of 3.5 |
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> drives. That'll become my testbed/dev machine, which will probably |
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> "break" at regular intervals as it stress-tests the raid code. |
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> |
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> I've bought a 2/4 port add-in SATA card for the system that's going |
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> to be our main desktop. 2/4 because it's only got two SATA channels, |
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> but they can go to either a SATA or eSATA port. |
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