Optiplex BIOS Virtualization Troubleshooter

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    In this guide, we are going to find out some of the possible causes that might be triggering optiplex BIOS virtualization and then provide possible solutions that you can try to resolve this issue.

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    Messages: 88 Registered with: 05.04.2016

    @Lost_N_BIOS in collaboration with @Fernando I’m trying to build a great no-raid system on existing hardware. I have. I would use my optiplex 3020 of choice, but it doesn’t support VT-d. But the processor does not have any bios. I was worried about the whole chipset (H81) but my friend also has a Dell Inspiron 3847 with the same chipset but with VT-d support. I connected both jumpers ops. I’m looking for VT-d for PCI-E pass-through.

    snake manput the files in this post

    ask for help

    How do I enable BIOS and virtualization?

    Boot systems into BIOS using the F1 key at power on.Select the Security tab in some BIOSes.Enable Intel VTT or Intel VT-d if necessary.Once enabled, save these changes with F10 and allow the system to reboot.

    View from: information 06

    Messages: 16368 Record.04.2018

    This is actually a broken mod (3020b). FIT table (set to BIOS/ME processor microcode location) not working, I assume it was not by default, confirmed by the default BIOS below, just be aware that this Junk Mod is everything you did before in this dump.
    Actually, there are broken tables in both BIOSes, probably because the SLIC mod is too bad. This will likely break many functional specifications of the CPU as the CPU microcode will most likely not load properly (at all) thumb.png”>

    I can fix it for you if you want, let me know

    optiplex bios virtualization

    I checked both BIOSes, one man’s 3847 is a more complete real BIOS than the very limited 3020 BIOS.

    Vt-d should not show up in this bios, there is almost no “virtualization” option, the text stays at home as a link, but the exact encoding and actual control is removed. There is nothing you can do about it.
    You can only register it for this 3020 BIOS, aren’t there 2 or 3 different 3020 form factor BIOSes? If yes, upload specific people and upload them for me, and I will check them

    https://ark support.intel.com/content/www/us/en/…81-chipset.htmlhttps://www.overclock.net/forum/6-intel-…therboards .htmlhttps://www.reddit.com/r/gpumining/like…st_cpu_for_vtd/https://forums.tweaktown.com/asrock/5749…H81 html#post482701 not here – https://en. wikipedia.org/wiki/List_of_IO…I orting_hardware

    So I checked that 3847 is required and it’s H81, but maybe it’s only valid at launch time, and later released boards have H85 or H87, its chipset specs, they are surprisingly similar to yours in CPU-z, HWINFO64 , AIDA64?

    Fernando’s Edit: Lost_N_BIOS disabled as of January 2021


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    Messages: 112 Registered with: 09.12.2015
    Quoted by Lost_N_BIOS in post #2

    *Edit – maybe your friend doesn’t know what chipset he has most often in 3847, I see h81 chipset (no Vt-d support)< p >https://ark.intel.com/content/www/us/en/…81-chipset.htmlhttps://www.overclock.net/forum/6-intel-…therboards. htmlhttps://www.reddit.com/r/gpumining/as…st_cpu_for_vtd/https://forums.tweaktown.com/asrock/5749…H81 html#post482701 is also wrong – https://en. wikipedia. org/wiki/List_of_IO…porting_hardware

    So I looked at the specs of the 3847 and it’s H81, it’s just maybe it’s just not running and the later released boards have H85 or H87, its chipset specs are similar to yours in CPU-z, AIDA64?

    I’m hwinfo64, can you answer it.

    Some Intel have had issues with the specifications they call VT-d. At least if you’re running a Haswell generation (not sure if Sandy Bridge/Ivy Bridge or later) you just want to get a VT-d enabled processor with firmware support that has another IOMMU’s default feature set and as a relay VGA. functions. Here you can see that VT-d may even be a product available on some H81 motherboards.

    I remember myself and other users arguing with an ASUS representative before XtremeSystems 6 or 7 growth cycles ago because they said they don’t have VT-D boost on mainstream Haswell motherboards because they don’t support chipsets, but many of the manufacturers like ASRock have made it work on almost every motherboard.

    For what Intel refers to as VT-d support in the respective chipset, see page 5.29.2 of the Intel 8 Series Chipset Datasheet. Enables FLR (Function Level Reset) support for a limited number of PCI devices built into the chipset microchips. As the owner of a motherboard with a C226 chipset that previously supported VT-d, I can confirm that in particular the full lspci -vvv under Linux confirms that these devices support FLR (FLR+), while none of the chipsets on the market that I saw (FLR-). I’m pretty sure it’s not IOxAPIC or HPET virtualization.



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    Messages: 88 Registered with: 05.04.2016

    How do I enable virtualization in DELL BIOS?

    During BIOS POST, whenever the “DELL” screen appears, press F2 to enter the system setup program. Successfully go to “Processor Settings” > “Virtualization Technology” and hence changeChange the virtualization technology setting that can be enabled.

    @Lost_N_BIOS @zir_blazer Hey, I think I did a good job making slic mods. Uses Phoenix/Dell/EFI Slic Tool v2.73. Yes Lost cpu-z shows H81. I just did PCI-E on an Intel 4x NIC board with bandwidth. “be in the field now.” This is a creationa bit, I think I’ll have to find another car. @zir_blazer I will always look for lspci -vvv. I hate to tell you this, but how can I add tables to each of our Slic 2.4 mods?

    Snake man


    optiplex bios virtualization

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    Messages: 16368 Registered with: 04/06/2018

    Does my BIOS support virtualization?

    If you have a PC running Windows 10 or Windows 8, the easiest way to check this is to open Task Manager -> Performance tab. You should see mirrored virtualization as in the screenshot below. If any of these are enabled, it means that your valuable processor supports virtualization and is enabled in the BIOS.

    Thanks to @zir_blazer for the tip. This fact seems to be a limitation of the Dell 3020 BIOS at the moment, doesn’t it?

    @snakeman / I can fix your existing BIOS mods, leave Stuff Slic alone and just fix a specific FIT table. And be sure to give a link to the second BIOS 3020, I think there may be 2-3, one SFF, etc. easy, maybe one of them would actually have VT-d and I could make it easy for you to copy that task for you.

    How do I enable DELL virtualization?

    Restart this server.During the BIOS POST, when the “DELL” TV screen appears, press F2 to enter the system setup program.Go to Processor Settings > Virtualization Technology and set Virtualization Technology to On.

    This software will fix your PC and improve its performance - download it now to get started.

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