X399 TaiChi PCI-e compatibility issues

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   I am having a difficult time trying to find e-sata and firewire pci-e cards that are compatible with this board. What gives? Why is this board so picky about pci-e devices?
I had one firewire 400 card that worked, but I'm needing a firewire 800 and e-sata cards for two of my devices. I've tried 2 e-sata cards, and 2-firewire 800 cards, and neither are detected in any of the pci-e 1x or 16x slots.

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WarpedTrekker Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Jul 2018 Status: Offline Points: 91	Post Options Post Reply Quote WarpedTrekker Report Post Thanks(0) Quote Reply Topic: X399 TaiChi PCI-e compatibility issues Posted: 01 Aug 2018 at 12:53pm
	I am having a difficult time trying to find e-sata and firewire pci-e cards that are compatible with this board. What gives? Why is this board so picky about pci-e devices? I had one firewire 400 card that worked, but I'm needing a firewire 800 and e-sata cards for two of my devices. I've tried 2 e-sata cards, and 2-firewire 800 cards, and neither are detected in any of the pci-e 1x or 16x slots.

Isoceles Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 26 Apr 2018 Status: Offline Points: 76	Post Options Post Reply Quote Isoceles Report Post Thanks(0) Quote Reply Posted: 01 Aug 2018 at 11:05pm
	Do they get enumerated at all in the OS? (e.g. do they show up in the Hardware or Components sections of the System Information app). I vaguely recall that recent versions of the major OS's have locked down support for devices that do DMA (Direct Memory Access) pretty tight, and firewire/eSata both use DMA as far as I know. I think it might also have something to do with IOMMU, but I can't remember any specifics unfortunately :/

WarpedTrekker Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Jul 2018 Status: Offline Points: 91	Post Options Post Reply Quote WarpedTrekker Report Post Thanks(0) Quote Reply Posted: 01 Aug 2018 at 11:13pm
	No they don't show up in device manager at all. I'm running Win10 Pro latest update. I have one older Firewire 400 card that did finally show up. But I'm having an issue with it powering down my external HDD enclosure when windows reboots. Which is why I want to use Esata. I have iommu disabled since this board won't post sometimes with it enabled.

kerberos_20 Members Profile Send Private Message Find Members Posts Add to Buddy List Senior Member Joined: 06 Dec 2017 Location: czech republic Status: Offline Points: 3687	Post Options Post Reply Quote kerberos_20 Report Post Thanks(0) Quote Reply Posted: 02 Aug 2018 at 4:31am
	mobo can support e-sata, as long u have free sata slots left, then u can set it up in uefi and use something like this
	userbenchmark

WarpedTrekker Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 18 Jul 2018 Status: Offline Points: 91	Post Options Post Reply Quote WarpedTrekker Report Post Thanks(0) Quote Reply Posted: 10 Aug 2018 at 10:43pm
	unfortunately I dont have free sata slots left to use an adapter like that. I did get another Firewire 800 card now to work. The only issue is that every time I reboot, it powers down my external HDD enclosure. So when windows tries to start up again, it has to power up the HDD again, which delays boot time. Is there a BIOS setting to tell the motherboard not to power off Firewire devices on reboot?