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Z77 Extreme 4 NVME PCI-E SSD BOOTING! |
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mochifish 
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Joined: 02 Dec 2018 Status: Offline Points: 3 |
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 Posted: 02 Dec 2018 at 1:39am |
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There is no link to your pre-made bios. Can you please relink that for us?
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B-Man
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Joined: 26 Nov 2018 Status: Offline Points: 10 |
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Posted: 27 Nov 2018 at 4:11pm |
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Finally just got windows 7 installed and working great! from Samsung 850 to the 970 NVME its quite noticeable very snappy
***only works with 2.90Q Bios firmware*** wouldn't work with 3.00 cant copy my MBR windows 7 partition so had to installed new. my nLite Win7 usb wasnt bootable by UEFI so used rufus i put my Samsung Drivers on the usb and when booting pressed F11 until i got boot menu and selected the usb stick with the UEFI heading and started installing. once that was done i was fully installed in logged in in under 5 minutes didn't have to change anything in bios settings it all just worked. even left the usb in during install reboots until it had logged in |
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B-Man
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Joined: 26 Nov 2018 Status: Offline Points: 10 |
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Posted: 26 Nov 2018 at 5:17pm |
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I have a Samsung 970 EVO NVME
i installed the NVME driver and cloned the windows 7 operating system i installed the 3.00 beta bios version but after hours of stuffing around not being able to find the drive i got the 2.90Q and it shows the 970 Evo but when i select the 970 and go to boot it says ""Bootmgr is missing Press Ctrl+Alt+Del to restart" is this because its a clone so the boot partition is MBR instead of a GPT? or something else? i have had this issue before and a system repair fixed it would that work for this? anyone have any ideas? |
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Thunderg0D
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Joined: 16 Sep 2018 Status: Offline Points: 2 |
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Posted: 28 Sep 2018 at 6:45pm |
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OK, that's kind of how I was understanding it. So I'm guessing it's safe to say it probably doesn't support bifurcation to allow a multi-channel nvme card to use 2 slots (since x8 would in theory only support 2). There's not a lot of those riser cards out there, but was curious if anyone had tried one and had any luck past 1 drive working (The usual answer when bifurcation is not supported) |
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majorpdd
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Joined: 18 Aug 2018 Status: Offline Points: 3 |
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Posted: 23 Sep 2018 at 5:22pm |
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Hey Thunder, I feel your pain with that one... it could do with a little better grammar! PCIE2 = x16 Slot = x16 Capability PCIE3 = x16 Slot = x8 Capability If you use these slots in single mode, you get their capability. If you use these slots together (Dual), PCIE2 = x8, PCIE3 = x8, this does not matter what is in the slot, GPU, NIC, NMVe (with adapter)... you will only get x8. |
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majorpdd
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Joined: 18 Aug 2018 Status: Offline Points: 3 |
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Posted: 23 Sep 2018 at 5:17pm |
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Little late but thanks rock, grabbed a bargain myself too :) Seems I found on the exreme6 slot PCIE5 PCI Express 2.0 x16 slot is only x4, but seems to drop in performance on the NVMe I am using... I have to use slot PCIE4 which then halves the lanes on PCIE2 down to x8, then I get the full throughput that the NVMe can support. From what I reading though, and the performance tests I have done on my 1060 6gb in PCIE2, there is not really much loss! Does anything actually use x16! to the max... Never used to boot, only as 4th drive... I boot already from another SSD, which takes 5 seconds, so not really sure if 1 more second is going to kill me
 Edited by majorpdd - 23 Sep 2018 at 5:26pm |
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Thunderg0D
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Joined: 16 Sep 2018 Status: Offline Points: 2 |
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Posted: 16 Sep 2018 at 6:51am |
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Rock_Solid, do you know if the Z77 Extreme4's PCIE bus actually supports bifurcation or not? I'd consider getting something like this if it'd support more than 1 card: https://www.newegg.com/Product/Product.aspx?Item=N82E16815548004 This spec has always confused me a little: 2 x PCI Express 3.0 x16 slots (PCIE2/PCIE3: single at x16 (PCIE2) / x8 (PCIE3) or dual at x8/x8 mode)
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rock_solid
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Joined: 05 May 2018 Location: Australia Status: Offline Points: 8 |
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Posted: 18 Aug 2018 at 9:25am |
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done
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AsRock Z77 Extreme4
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leo soares
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Joined: 18 Aug 2018 Location: Brasil Status: Offline Points: 4 |
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Posted: 18 Aug 2018 at 9:15am |
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add me on facebook friend https://www.facebook.com/leozinho.misere
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rock_solid
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Joined: 05 May 2018 Location: Australia Status: Offline Points: 8 |
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Posted: 18 Aug 2018 at 9:11am |
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i know the feeling. try to get the 2x2 that dont work first. honestly it took me an hour to get it to work and every combo
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AsRock Z77 Extreme4
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Thunderg0D wrote: