On 05/15/2017 09:59 PM, [email protected] wrote: > On 05/15/2017 12:58 AM, Ian Zimmerman wrote: > >>> The 990FX / 790FX Chipset doesn't have a GART / AGP Aperature or IOMMU >>> in it. The CPU contains the original K8 IOMMU ( v1 ) engineered / >>> converted from a GART. >>> > The 8 and 9 series (not 7) does have an IOMMU, AMD-Vi v1.26. > > I have two 890 series (but the server flavor - SR5690 chipset) boards > with an IOMMU and it works great, I play games in a VM with an attached > graphics card on my libre firmware KGPE-D16 and devices are DMA restricted. > > Most consumer boards don't properly implement this feature, in fact I > have never seen one that did which is why I bought my coreboot (libre > init variant) D16. > It wouldn't be that difficult to port coreboot to your board if you want > this to work FYI. >
Thank you for that info. Corrections based on fact are appreciated. --- How does one 'port' coreboot? Last time I went to the coreboot site, I didn't see anything really helpful to me. Doesn't the 'CPU voltage table firmware blob' require signing NDA's? Corbin
