Thank you all for your replies. Alex, after I started this discussion I've learnt that some of the high end i7 processors with acs support that you recommend may be found for feasible prices nowadays. Since Im changing mobo, and since i can still send back the 3770, I might as well upgrade to a x77 or x99 chipset. Is there any particular, fairly cheap mobo you would recommend among those with these chipsets? I am definitely not very happy with asrock, after all the issues i've experienced with their firmwares, Asmedia, and now even the bent pins in the socket of my z77. On Jun 18, 2016 5:42 PM, "Alex Williamson" <alex.l.william...@gmail.com> wrote:
> On Sat, Jun 18, 2016 at 9:11 AM, Samuel Holland <sam...@sholland.org> > wrote: > >> On 06/17/2016 02:00 PM, Kajim Shanti wrote: >> >>> If i decide to replace the mobo, which one would you reccommend as >>> giving the least problems for devices passthrough? >>> >> >> ASRock generally has a good reputation for not breaking VT-d. Be aware >> that any motherboard you buy with multiple PCIe x16 ports will have them >> all in the same IOMMU group. > > > This is why the continuous recommendations for High End Desktop Processors > and Xeon E5, where this is not the case. Just be aware that standard > Core-i3/5/7 are going to group all the processor root ports together, which > either limits your configurations or requires the acs override patch. The > latter, I don't consider supportable. There are plenty of usable > configurations available for Core processors, but for more than one > discrete GPU, you're going to need to use PCH-based root ports. >
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