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davidm71
Posts: 270 | Last online: 04.26.2017
Date registered
11.23.2013
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    • Zitat von m0reilly im Beitrag #1794
      notice a message before retrying insertion:
      "parseImageFile: Aptio capsule signature may become invalid after image modifications". something for me to address?



      That warning message is telling you that the capsule file will become invalid after modding and that is why you guys with Asus bios's have to do the Flashback usb technique.

      Also please keep your replies concise and not double or triple post. Edit your message if you have to.

    • davidm71 has written a new post "[Guide] Manual AMI UEFI BIOS Modding " 04.10.2017

      @ajschot,

      Use a hex editor to load up your bios file, search for the microcode section and manually delete it out. First find out what version is already installed, find a copy of that version in like ubutool and copy enough hex strings so you have enough of a pattern to search like the beginning and end of the file for starters. Then delete it out. Then pray it works. I did the opposite this way inserting new microcode. Not sure if it works other way around. Anyhow doesn't your system need microcode to start the CPU I thought?

    • Zitat von Alahel im Beitrag #1763
      For those struggling to get NVME working on the Gigabyte GA-Z87X-UD4H, here is my little contribution to this thread

      ==> Gibabyte GA-Z87X-UD4H NVME bios (based on 10p)

      This is a fully-working-modded BIOS, based on Z97-related one, without support of wake on lan features, in order to get space for NVME-related code. I run it with a samsung 960 evo 500GB, placed on second PCI-E slot (to get 3.0 support and the 3GB/s of read-bandwitdthd).


      I myself have the UD5H version of that board and didn't need any mods to get either the Plextor M8PeY or the Adata SX8000 NVME drives to startup.
      Most likely those drives had compatible legacy firmware I'm guessing. Not sure how it would fare with a Samsung Nvme drive or an Intel..

    • Zitat von MeatballB im Beitrag #1759
      You think I'd learn my lesson and stop trying to install NVMe drives on older motherboards. :) Here's my latest challenge.

      Gigabyte GA-B75M-D3H Motherboard
      SilverStone ECM20 M.2 Expansion Card - Plugged into the one PCIe 3.0 x16 slot on the motherboard
      myDigitial SSD BPX 120 GB NVMe SSD - Inserted into the 'M-Key' / PCIe Ms SSD slot on the Silverstone Card.

      I was able to update the latest BIOS for the motherboard and insert the uncompressed NVMExpressDxE_2 module as directed in the intial post and flashed the motherboard. After that, I was able to install Windows 10 Pro to the NVMe drive (in UEFI Mode) and it boots without a problem. My issue is, I'm not getting the speeds I should be getting. The 120 GB drive should be able to get about 2300 MB/s Reads and 1200 MB/s Writes but I'm only seeing about 1300 MB/s Read and 900 MB/s write.

      I did turn off the Windows write-cache buffer in the drive policies, but not sure what else I could try. Anyone have any thoughts?





      What PCI-E slot have you installed the card into? You say its first and only one 16x slot? Could be the card not wanting to go into pci-e 3 mode. Some firmwares might default to 2.0 speeds on older hardware. Not much you can do.

    • davidm71 has written a new post "Win 10 Standard NVMe vs Open Fabrics NVM OFA Reference Drivers" 04.01.2017

      @Fernando ,

      Thank you for the warning. Sorry to hear about your troubles. That must be painful to reinstall Windows all over. I will immediately remove the driver or at the very least back up my system and consider myself warned,

      Thank you

    • davidm71 has written a new post "[Guide] How to flash a modded ASUS/ASRock/Gigabyte AMI UEFI BIOS" 04.01.2017

      Hi,

      Was wondering what is the recommended stable version of UEFITool to use right now? I went to the authors site and found three versions 0.21.5, A32 NE, + A40 NE.

      The A40 even has a different author. Which one you guys recommend?

      Thank you.

    • davidm71 has written a new post "Win 10 Standard NVMe vs Open Fabrics NVM OFA Reference Drivers" 03.31.2017

      Zitat von Fernando im Beitrag #29
      I bet, that you forgot to check the "Policies" of the related Disk drive within the Device Manager..
      Both "Write Cache" settings have to be checked before you execute the benchmark test.
      Yes I did forget but I am aware of that policy though never enable it as I am afraid of getting data corruption if anthing locks up. Fwiw I read that model of ssd does have poor write speeds and one reviewer suggested Plextor release a more aggressive firmware. Will run a new bench with it on in couple days. Thanks.

    • davidm71 has written a new post "Win 10 Standard NVMe vs Open Fabrics NVM OFA Reference Drivers" 03.31.2017

      Zitat von Fernando im Beitrag #27
      Yes, I have seen it and this makes be sceptical regarding this tool as well.
      According to my experiences Anvil's Storage Utilities gives the best informations (incl. response time, IOPS values and even checks the allignment of the HDD/SSD) without consuming too much resources.
      Well I took your advice and ran the Anvil's Benchmark and this is what I got:

      Zitat
      Maybe we should rename the thread to "Which NVMe driver gives SSD the best performance" or start a new thread with the latest results within the start post.

      The thread is appropriately named I think and all I am doing is trying to help draw some conclusions. With the Anvil tests I see a slight edge to read speed with OpenFabrics and slight advantage towards write speeds with the Microsoft Nvme driver which I think you found. Its all very interesting. Question is what is more important read speeds or write speeds? Though I know what your going to say that either way you recommend the MS driver which is fine.

      Thanks.

    • davidm71 has written a new post "Win 10 Standard NVMe vs Open Fabrics NVM OFA Reference Drivers" 03.31.2017

      @Fernando,

      Ok. I wasn't aware of that. What about CrystaldiskMark? Did you see the difference in sequential score in post #10??

      My point anyhow is that there is something going on even still.

    • davidm71 has written a new post "Win 10 Standard NVMe vs Open Fabrics NVM OFA Reference Drivers" 03.31.2017

      @Fernando,

      Thanks for that new benchmark. Very interesting. I wanted to share one I took myself comparing OF 1.5 with MS 10.0.14393.206 NVME storage driver. Granted you have to take this with a grain of salt because its not exactly scientific running a benchmark on a live install and only one run that I did here insn't enough compared to the average multiple bench runs. That said here's the bench I ran:



      Also wanted to say that so far running in 'Test Mode' I haven't had any problems with the OF driver and it looks ok in device manager. Of course for those of us that are running non Samsung drives that don't have an oem driver I'm sticking with the OF driver for now until Plextor releases its own driver that takes advantage of the 1.2 nvme version standard that the microsoft driver does not support being on 1.0 for now (I believe I could be wrong and please correct me if I am). Anyhow if I had a Samsung drive of course I would use the Samsung driver over the OF driver and most likely the MS driver on a mission critical system. For my purposes on the OF driver for now.

      EDIT: I reran the ATTO Benchmark because the 48MB and 64MB scores looked fishy and I have to say I am totally shocked that I got the same score once again with the MS driver!!! Such that I am not even posting the second run as they look identical to the first. Whats going on I can't say.

    • davidm71 has written a new post "Win 10 Standard NVMe vs Open Fabrics NVM OFA Reference Drivers" 03.29.2017

      So the driver was marked corrupted after you had added your own digital signature to it you say? Did you have data corruption as well on other files? I will have to check my installation as now I'm worried. Thanks.

    • davidm71 has written a new post "Win 10 Standard NVMe vs Open Fabrics NVM OFA Reference Drivers" 03.29.2017

      You mean it could be dangerous and unsafe? If so I guess you have a point. Thank you.

    • davidm71 has written a new post "Win 10 Standard NVMe vs Open Fabrics NVM OFA Reference Drivers" 03.29.2017

      @Fernando,

      Thank you for running your benchmarks comparing the OpenFabrics Driver vs Microsoft and even vs Samsung driver. It was very interesting and deserves more study. You have always done an amazing job and I do appreciate the effort you have put into these benchmarks and the work you have done in the past.

      Thank you.

      PS: About running the OF driver and disabling driver enforcement I guess that is a personal choice the user would have to make. On my overclocked test machine I really don't mind as I am pushing its limits in anycase. Thank you.

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