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Old 04-18-2006, 07:29 PM   #1 (permalink)
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Default 8X to 16X?

Is there anyway to change the PCI Express slots so that they will run at 16X rather then their regular 8X? I just want to know for future reference. I have checked the BIOS, but have found nothing.
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Old 04-18-2006, 11:04 PM   #2 (permalink)
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PCI-Es standard is 16x AGPs standard is 8x, maybe ur board does not support 16x? i dunno..
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Old 04-18-2006, 11:05 PM   #3 (permalink)

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i dont think so. it think it has to be 16x hardware to be able to use it. 16x is backward compatible of course but i dont think its the other way. not 100% sure tho
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Old 04-18-2006, 11:52 PM   #4 (permalink)
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you won't even know the difference unless you have a "Turbo Cache" or "Hyper Memory" card
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Old 04-19-2006, 10:31 AM   #5 (permalink)
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I have a PCI Express X16, which my card is in right now, but there are two slots for SLI, but they are rated at 8X. So what you are saying nitestick, is that it doesn't really matter?
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Old 04-19-2006, 10:52 AM   #6 (permalink)
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It probably doesn't run at 16x when your in SLI mode, so I guess in SLI each is running at 8x. With one PCI-e card it runs at the full 16x.
Maybe your mobo doesn't support 16x in SLI mode?
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Old 04-19-2006, 08:09 PM   #7 (permalink)
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From what I understand there are only a few (2) mobo's with true 16x in SLI The mobo I have is one of them and I can't remember the other one right now.

Otherwise they slots will run 8x in SLI.
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Old 04-19-2006, 08:47 PM   #8 (permalink)
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I think the ASUS A8N SLI has true 16X support.
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Old 04-19-2006, 08:55 PM   #9 (permalink)
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It should run at full speed until you add a second card in.
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Old 04-19-2006, 09:18 PM   #10 (permalink)
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really you won't notice the difference because only Turbo Cache an Hyper Memory cards use more than 8x bandwidth, thats because most of their memory is borrowed from the system memory
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