sprite

ASUS Xonar cards and AMD Ryzen AM4/AM5 motherboards compatibility report

Some AMD AM4 and possibly AM5 motherboards for Ryzen CPUs have compatibility issues with ASUS Xonar sound cards. These issues will manifest as system rebooting or showing a BSOD when installing Xonar drivers or when changing various Xonar settings such as switching from speakers to front panel headphones. Below you have a list that I've compiled with user reported compatibility status of their Xonar card and AM4 motherboard. The list will be periodically updated.

Boards that are listed as having compatibility issues with specific Xonar sound cards may also have issues with other PCI/PCIe cards like other sound cards, network cards, RAID cards, etc.

Note that the compatibility status may vary depending on BIOS version, on installed CPU (#1), it may vary depending on which Xonar card do you have, if it's a PCIe or PCI card, it may be affected by whether the Xonar card was plugged in a PCIe slot that is connected to the chipset or one that is connected to the CPU (1st and 2nd x16 slots on X370, X470, X570 motherboards). Particularly affected by these compatibility issues seem to be the Xonar Essence STX II cards, which have an ASMedia PCI-to-PCIe bridge instead of the PLX PCI-to-PCIe bridge that the rest of PCIe Xonar cards have. Xonar D2X looks like another card that's particularly affected. So a motherboard on which a STX II or a D2X card has problems, might actually work with a different Xonar card.

Exceptions

The issue caused by BIOSes with AGESA 1.0.0.4B where systems are not booting while the Xonar or other PCI-e card are plugged in the motherboard is a different issue than the compatibility issues described above and which are the main subject of this page. This issue is treated separately in the "BIOSes with AGESA 1.0.0.4B caution" section and it is not reflected in the entries in the compatibility list.


Contents:

  1. Compatibility status list
  2. Possible solutions for BSOD and restart issues
  3. How to verify if it's stable
  4. Why it happens and what else you can do
  5. Other info & ASUS's response about these compatibility issues
  6. BIOS updates
Page updates

  • 13 Jan 2021: Added STX II with MSI MAG B550 Tomahawk, STX II with Gigabyte X570 Aorus Elite, STX II with B450 Tomahawk, STX with ASUS ROG Strix B550-E.
  • 25 Oct 2020: Added STX II with MSI MAG B550 Tomahawk, STX II with AsRock X370 Taichi.
  • 04 Oct 2020: Added STX II with ASUS X570 Crosshair VIII Hero (Wi-fi), another report that works with possible solution 9. Added DX with ASUS Prime X570-P.
  • 01 Sep 2020: Updated STX II with MSI MEG X570 ACE. Added DX with ASUS X370 ROG CROSSHAIR VI HERO, Xense with MSI B450M Mortar Titanium, STX II with MSI MAG X570 Tomahawk WiFi, STX II with MSI B450 Tomahawk Max.
  • 19 Jul 2020: Added possible solution 9. Updated "Why it happens and what else you can do". Updated BIOS updates section. Added
    DGX with ASUS Prime X370-A, STX II with MSI MEG X570 ACE, STX II with ASRock X470 Taichi, DGX with Gigabyte X570 AORUS ELITE WIFI, STX II with ASUS ROG Strix X570-F GAMING, STX II with ASUS ROG CROSSHAIR VII HERO X470, STX II with Gigabyte X570 Aorus Xtreme, STX II with ASRock B450 Pro4, STX II with Gigabyte B550 Aorus Pro, STX II with ASUS TUF B550 Gaming Plus, DX with MSI B450 Tomahawk.
  • 14 May 2020: Updated "Why it happens and what else you can do". Added possible solution 8. Added other PCIe cards that are not based on CMI8788 audio chipset: AIM SC808 with Asrock X470 Taichi and Xonar Phoebus with ASUS ROG Strix X570-E Gaming. Added STX with Gigabyte X570 AORUS ELITE, STX II with MSI B450 Tomahawk Max, STX II with ASRock X570 Phantom Gaming 4, STX II with MSI MEG X570 ACE, D2X with ASUS X370 ROG Crosshair VI Hero, STX II with ASRock X570 Taichi, STX II with ASUS Prime B450-Plus, D2X with MSI B450 GAMING PLUS MAX.
  • 08 Apr 2020: Added "What else you can do" and "How to verify it is stable" sections. Added STX II with ASRock X470 Taichi, STX II with MSI MEG X570 ACE, DS with Gigabyte GA-A320M-HD2, DSX with Gigabyte B450 Aorus M, D2X with MSI MPG X570 Gaming Plus, STX with Gigabyte B450 Aorus Elite, DSX with ASUS TUF Gaming X570-Plus, STX II with ASUS TUF Gaming X570-Plus.
  • 13 Mar 2020: Updated "BIOSes with AGESA 1.0.0.4B caution" section. Added DGX with MSI B450 Tomahawk Max, D2X with ASUS PRIME X570 PRO, D2X with ASUS ROG STRIX X570-E Gaming.
  • 02 Mar 2020: Added DSX with ASUS PRIME B350-PLUS, STX II with Gigabyte X570 Aorus Xtreme.
  • 19 Feb 2020: Updated STX II with MSI B450 Gaming Pro Carbon AC, added STX with MSI B450 Gaming Pro Carbon AC, DX with ASUS Prime X570 Pro, D1 with ASUS PRIME X370-A, DX with Gigabyte GA-AB350-Gaming, removed DSX with Asus Prime x570 Pro because of typo.
  • 31 Jan 2020: Added D2X with ASUS ROG Strix X570-E.
  • 24 Jan 2020: Added STX II with MSI B450 Tomahawk, STX with MSI X370 Krait Gaming.
  • 15 Jan 2020: Added DSX with ASUS TUF Gaming X570-Plus, STX II with Asus ROG Strix X570-F Gaming, STX II with Gigabyte X470 AORUS ULTRA GAMING, STX II with ASUS Prime B450-Plus.
  • 10 Jan 2020: Added D2X with MSI X570 Gaming Edge Wifi, D2X with Asus Prime X570-P.
  • 04 Jan 2020: Added STX with Gigabyte x470 Aorus Ultra Gaming.
  • 13 Dec 2019: Updated "Possible solutions for BSOD and restart issues" section and added possible solution "7. Disable Xonar's recording devices".
  • 11 Dec 2019: Added STX with MSI Tomahawk B450 Max.
  • 09 Dec 2019: Added STX II with MSI MEG X570 ACE, DX with ASRock X570 Steel Legend.
  • 08 Dec 2019: Added STX II with ASUS TUF X570-Plus (Wi-Fi).
  • 06 Dec 2019: Updated "BIOSes with AGESA 1.0.0.4B caution" section. Added STX II with ASUS Pro WS X570-ACE, DX with ASUS Prime X570-P, STX II with ASUS X570 TUF GAMING X570-PLUS (WI-FI), STX II with ASRock X470 Taichi, DSX with ASUS Prime X570-Pro.
  • 26 Nov 2019: Updated "BIOSes with AGESA 1.0.0.4B caution" section. Added DX with Gigabyte B450 M, STX II with MSI X570-A PRO, STX with ASUS Prime X570-P.
  • 23 Nov 2019: Updated "BIOSes with AGESA 1.0.0.4B caution" section.
  • 20 Nov 2019: Updated "BIOSes with AGESA 1.0.0.4B caution" section. Added D2X with Gigabyte X570 Aorus Master, STX with ASUS Prime X570 PRO, STX II with ASUS Prime X570 PRO, DX with ASUS X570 TUF Gaming Plus, DGX with ASRock X570 Taichi, DGX with ASUS X570 TUF Gaming Plus .
  • 16 Nov 2019: Added DX with MSI MEG X570 ACE, STX with MSI MPG X570 Gaming Plus, STX with ASUS Prime X570 Pro.
  • 13 Nov 2019: Added STX II with Gigabyte X570 Aorus Elite, D2X with ASUS X570 ROG Crosshair VIII Hero, DX with MSI X370 Gaming Plus, DX with ASUS Pro WS X570-ACE, DX with ASUS Prime X570-P.
  • 9 Nov 2019: Added D2X with ASUS X570 ROG Crosshair VIII Hero.
  • 8 Nov 2019: Added DG with ASUS X370 Prime Pro, DGX with Gigabyte B450 Auros M, STX II with Asus ROG Strix x570-F, DX with Asus Prime X570 Pro, STX with ASUS X570 ROG Crosshair VIII Hero, STX II with ROG Crosshair VIII Hero (Wi-Fi), STX II with TUF Gaming X570-Plus (Wi-Fi), STX with TUF Gaming X570-Plus (Wi-Fi), STX with Gigabyte X570 Aorus PRO, DX with Gigabyte X570 Aorus Pro Wifi, STX with Gigabyte X570 Aorus Master, D2X with Gigabyte X570 Aorus Master, DGX with Gigabyte X570 Aorus Elite, STX with Gigabyte X570 Aorus Elite, D2X with ASRock X570M Pro4.
  • 5 Nov 2019: Added DX with Gigabyte X570 Aorus Master.
  • 3 Nov 2019: Added "BIOSes with AGESA 1.0.0.4B caution" section. Added DX with Gigabyte X570 Aorus Pro.
  • 31 Oct 2019: Added DGX with Biostar X570GT8 and DX with MSI B350 Tomahawk.
  • 24 Oct 2019: Added D2X with ASUS TUF GAMING X570-PLUS (WI-FI).
  • 18 Oct 2019: Added DSX with MSI B450 Tomahawk, STX II with MSI X570-A PRO, STX II with MSI B450 Tomahawk.
  • 08 Oct 2019: Added STX II with Gigabyte X570 Aorus Xtreme.
  • 29 Sep 2019: Added D2X with ASUS ROG STRIX X570-E Gaming.
  • 28 Sep 2019: Added STX II with ASUS Prime X570-P.
  • 26 Sep 2019: Added D2X with ASUS PRIME X570-P.
  • 21 Sep 2019: Added D2X with Gigabyte X470 AORUS ULTRA GAMING and STX with ASUS ROG Strix X470 F Gaming entries.
  • 17 Sep 2019: Added STX with ASUS ROG Strix X570-F Gaming entry.
  • 15 Sep 2019: Added DX with Gigabyte X470 Gaming 7 entry.
  • 13 Sep 2019: Added DGX with ASUS X370 ROG entry.
  • 11 Sep 2019: Updated intro and "Other info" sections. Added STX with MSI B350 and D2X with ASRock Fatal1ty X470 Gaming K4 entries. Updated "Possible solutions" with another possible solution (no. 3).
  • 02 Sep 2019: Updated table with Gigabyte X570 Aorus Master and ASUS X570 ROG Crosshair VIII Hero. Updated "Possible solutions" with another possible solution (no. 6).
  • 25 Aug 2019: Updated table with additional entries from ASUS ROG forum.
  • : Article published.

Compatibility status list (for system resets and BSODs issues)

Audio cardMotherboardWorks[works with]
Doesn't work[works with]
 
Xonar Essence STX II
ASRock X570 Taichi#1
ASRock X570 Phantom Gaming 4#1
ASRock X470 Taichi#1?#1, #2[9]?
ASRock B450 Pro4#1
ASRock X370 Taichi#1#1
ASRock X370 Killer SLI#1
ASRock AB350 Pro4#1
ASUS X570 ROG Crosshair VIII Hero (Wi-Fi)#1[9]
ASUS X570 ROG Crosshair VIII Hero#1, #2
ASUS Prime X570-P#1
ASUS Prime X570 PRO#1?
ASUS Pro WS X570-ACE#1?
ASUS ROG Strix X570-F gaming#1[3]#1, #2?
ASUS TUF Gaming X570-Plus#1?
ASUS TUF Gaming X570-Plus (Wi-Fi)#1?#1, #2
ASUS TUF Gaming B550-Plus#1?
ASUS Prime X470-Pro#1?
ASUS TUF X470-Plus Gaming#1
ASUS ROG CROSSHAIR VII HERO X470#1
ASUS Prime B450-Plus#1, #2#1?, #2
ASUS X370 ROG CROSSHAIR VI HERO#1, #2, #3, #4
ASUS X370 Prime Pro#1
ASUS X370 Prime#1
ASUS X370 Pro#1
ASUS PRIME B350-PLUS#1
ASUS ROG STRIX B350F#1
Gigabyte X570 Aorus Elite#1, #2
Gigabyte X570 Aorus Master#1[7]
Gigabyte X570 Aorus Xtreme#1#1, #2?, #3?
Gigabyte B550 Aorus Pro#1?
Gigabyte X470 Aorus Gaming 7#1
Gigabyte X470 AORUS ULTRA GAMING#1
Gigabyte B450 Aorus M#1
MSI MAG X570 Tomahawk WiFi#1?
MSI MEG X570 ACE#1, #2[3]#1[3]+[4], #2[3]+[4]
MSI X570-A PRO#1#1
MSI MAG B550 Tomahawk#1,#2
MSI B450 Gaming Pro Carbon AC#1
MSI B450 Tomahawk Max#1#1
MSI B450 Tomahawk#1, #2[1]#1?
Xonar Essence STXASUS Prime X570-P#1
ASUS Prime X570-Pro#1*, #2
ASUS X570 ROG Crosshair VIII Hero (Wi-Fi)#1
ASUS ROG Strix X570-F Gaming#1
ASUS TUF Gaming X570-Plus (Wi-Fi)#1
ASUS ROG Strix B550-E#1
ASUS Prime X470-Pro#1
ASUS ROG Strix X470 F Gaming#1
Gigabyte X570 Aorus Elite#1*, #2
Gigabyte X570 Aorus Master#1*
Gigabyte X570 Aorus Pro#1*
Gigabyte X470 Aorus Ultra Gaming#1
Gigabyte B450 Aorus Elite#1?
MSI MPG X570 Gaming Plus#1
MSI Tomahawk B450 Max#1
MSI B450 Gaming Pro Carbon AC#1
MSI X370 Krait Gaming#1
MSI B350 Tomahawk#1
Xonar Essence STASUS Prime B350 Plus#1, #2#1, #2
MSI B350 Tomahawk#1
ASUS Prime X370-a#1
Xonar D1ASUS Prime X370-A#1?
Xonar D2X

 

ASRock X570M Pro4#1[3]?
ASRock Fatal1ty X470 Gaming K4#1[3]
ASRock Fatal1ty B450 Gaming K4#1
ASUS PRIME X570-P#1?#1
ASUS PRIME X570 PRO#1
ASUS X570 ROG Crosshair VIII Hero#1, #2?
ASUS ROG STRIX X570-E Gaming#1[4], #2[3]+[4], #3?, #4?
ASUS TUF GAMING X570-PLUS (WI-FI)#1
ASUS X370 ROG Crosshair VI Hero#1[8]
Gigabyte X570 Aorus Master#1*, #2
Gigabyte X470 Aorus ULTRA GAMING#1
MSI MPG X570 Gaming Edge Wifi#1?
MSI MPG X570 Gaming Plus#1[3]
MSI B450 GAMING PLUS MAX#1
Xonar DG w/ ASMedia
1083 PCIe-to-PCI bridge
ASUS X370 Prime Pro#1
Xonar DGXASRock X570 Taichi#1
ASRock AB350M Pro 4#1
ASUS TUF Gaming X570-Plus#1
ASUS X370 ROG CROSSHAIR VI HERO#1
ASUS Prime X370-A#1
Biostar X570GT8#1
Gigabyte X570 Aorus Elite#1*, #2
Gigabyte B450 Aorus M#1
MSI B450 Tomahawk Max#1
Xonar DSGigabyte GA-A320M-HD2#1[1]+[7]
Xonar DSXASUS TUF Gaming X570-Plus#1, #2?
ASUS PRIME B350-PLUS#1
Gigabyte B450 Aorus M#1
MSI X570 Meg Ace#1
MSI B450 Tomahawk#1
Xonar DXASUS Prime X570-P#1, #2
ASUS Prime X570-Pro#1, #2
ASUS Pro WS X570-ACE#1
ASUS TUF Gaming X570-Plus#1
ASUS X370 ROG CROSSHAIR VI HERO#1
ASRock X570 Steel Legend#1
ASRock Fatal1ty B450 Gaming K4#1
Gigabyte X570 Aorus Master#1
Gigabyte X570 Aorus Pro#1
Gigabyte X470 Aorus Gaming 7#1
Gigabyte B450 M#1
Gigabyte GA-AB350-Gaming#1?
MSI MEG X570 ACE#1
MSI B450 Tomahawk#1
MSI X370 Gaming Plus#1
MSI B350 Tomahawk#1
Xonar XenseB450M MORTAR TITANIUM#1
Other
Xonar PhoebusASUS ROG Strix X570-E Gaming#1[4]
AIM SC808ASRock X470 Taichi#1

List will be periodically updated. If you have a Xonar PCI/PCIe card and a AMD Ryzen AM4 motherboard leave a comment below with the compatibility status.

  • * Link mentions not working, but that's only with BIOSes with AGESA 1.0.0.4B.
  • ? Asked more details or unclear situation.
  • [1] Works with a new BIOS update. BIOS may not be available publicly.
  • [3] Works with possible solution 3 (PCIe slot speed to Gen3/2/1). Usually I place these entries under "Doesn't work" because they involve lowering the PCIe speed sometimes considerably and that can affect the speed of other devices (video card, m.2 storage devices, USB 3.1).
  • [4] Works with possible solution 4 (different PCIe slot).
  • [7] Works with possible solution 7 (disabled Xonar's recording devices).
  • [8] Works with possible solution 8 (m.2 to PCIe adapter). I place these entries under "Doesn't work" because they involve sacrificing the m.2 slot and it requires significant work and additional purchases.
  • [9] Works with possible solution 9 (PCIe USB riser).

Possible solutions for BSOD and restart issues

Here are some things you could do that could fix or workaround the compatibility issues. These solutions are not mutually exclusive, than means sometimes a combination of multiple solutions will make it work.

1. Update the motherboard BIOS to the latest version

But avoid early AGESA 1.0.0.4B BIOS versions (see "BIOSes with AGESA 1.0.0.4B caution" below for more info).

2. Do a clean Windows install

If you're using the Windows installation from your previous system, do a clean Windows install.

For testing purposes you could make a secondary Windows install on a different partition, disk or in a VHD file (#1, #2). If needed, you can use EasyBCD (info, download) to edit the boot entries.

3. Switch the PCIe slot speed to Gen 3/2/1

In BIOS, try switching the PCIe connection where the Xonar card is plugged from Gen 4 to Gen 3/2/1 or from Gen 3 to Gen 2/1. This method has been described in detail here by b1tmaster0 for his ASRock Fatal1ty X470 Gaming K4. Such an option is not available for all the motherboards. Some info and other ways to do this:

  1. Location and name of the settings is board specific and may also vary with BIOS versions. For ASRock it may be under "Advanced\AMD PBS\" and may be only listed as "M.2 PCIe Switch". For MSI it may be under "Settings\Advanced\PCI Subsystem Settings\" with options called "PCI_E* - Max Link Speed". For ASUS it may be under "Advanced\Onboard Devices Configuration\" with options called "PCIEX** Mode" (pic #1). For Gigabyte it may be under "Settings\Miscellaneous\" with options called "PCIe Slot Configuration".
  2. For his ASRock Fatal1ty X470 Gaming K4, b1tmaster0 changed the "M.2 PCIe Switch" connection speed, which was for his M2 slot that was also shared with the PCIe slot where the Xonar card was placed. You can check which M2 and PCIe slots share the same connection by consulting the motherboard manual.
  3. You can figure the name/number of the PCIe slot the card is placed in by going to MSI's "Board Explorer" or Gigabyte's "System Information\Plug in Devices Info" or by consulting the motherboard's manual.
  4. "PCIe x16 Switch" or similarly named options are for setting the connection speed of the first x16 slot and it's where you usually have the GPU. Some X370/X470/X570 motherboards have the 2nd PCIe x16 length slot connected directly to the CPU. Consult the motherboard specs or manual to find out if the 2nd PCIe x16 slot is connected to the CPU or the chipset. If the 2nd PCIe x16 length slot is directly connected to the CPU, you could place the Xonar card in the 2nd x16 length slot, enable the slot by setting "PCIe x16/2×8 Switch" or similar to "2x8" and change "PCIe x16 Switch" to "Gen 1". If it works your could also try with the speedier "Gen 2". Your GPU may run a bit slower, see benchmarks here and here, which depending on your computer use case and GPU may or may not be important.
  5. "Promontory PCIe Switch" or similarly named options are for controlling the connection link between the chipset and CPU. If you don't have the option to set the connection speed for a specific PCIe slot you could try setting this to "Gen 1" and if it works your could also try with the speedier "Gen 2". This may limit the speed of the devices connected to the chipset (NVME M2/PCIe SSD), USB3.x flash drives, other PCIe cards.
4. Move the card to a different PCIe slot

Try a PCIe slot that is connected directly to the CPU, which is the 1st PCIe x16 slot, and for some X370/X470/X570 motherboards also the 2nd x16 length slot. Consult the motherboard specs or manual to find out if the 2nd PCIe x16 slot is connected to the CPU or the chipset. If it's connected to the CPU, then the 2nd x16 length slot needs to be enabled in BIOS, see the description on  possible solution 3. d. "PCIe x16 Switch".

Also try the other PCIe ports, maybe one will work.

5. Install UNi Xonar v1.71.1 driver

It might reduce the frequency of these issues or even eliminate them. For STX II cards these drivers might cause a loss of audio quality (#1), waiting more confirmations on this claim.

6. (Unlikely) Avoid IRQ sharing between Xonar card and other devices

To do so you could try switching the other devices interrupts from Line-based to MSI, see info here. Do not switch the Xonar card to MSI as it will prevent your system from booting. You can try this in conjunction with moving the card to a PCIe in which the Xonar card IRQ is shared with less devices.

7. Disable Xonar's recording devices

Especially if your system resets/crashes when using applications that transmits or can transmit sound (such as Discord, Steam, Skype, Firefox, Chrome, etc.) you should try the following solutions:

a. Disable some of Xonar's recording inputs but keep either Microphone or Line In depending on which one you use. To do so, open Windows Sound (right-click on Windows Volume tray icon-> Sounds or if it's missing type in Windows search: “change system sounds”)-> Select Recording tab-> If you use Microphone input, then right-click and select Disable for: Line In(ASUS Xonar...), ALT (ASUS X...) and AUX (ASUS X...). Then right-click on Microphone (ASUS Xonar...) and select "Set as Default" and "Set as Default Communication Device".

b. Disable all of Xonar's recording inputs and use the Microphone from the onboard audio card. Try this is the solution above does not work. To do so, open Windows Sound (right-click on Windows Volume tray icon-> Sounds or if missing type in Windows search: “change system sounds”)-> Select Recording tab-> Right-click and select Disable for: Microphone (ASUS Xonar...), Line In (ASUS X...), ALT (ASUS X...), AUX (ASUS X...), Stereo Mix(ASUS X...) and Wave (ASUS X...). Then right-click on Microphone (HD Audio.../Realtek.../SupremeFX...) and select "Set as Default" and "Set as Default Communication Device".

c. If neither of the above solutions are applicable to you as you need both the Xonar's Microphone and Line In enabled, you could try is to select Microphone (ASUS Xonar…) or Line In (ASUS Xonar…) as input device in each of the recording applications that causes a reset/crash. For Discord-> User Settings-> Voice & Video. For Steam->Friends List window-> Gear icon->Voice->"Voice input device". For Firefox and Chrome you might not be able to do this.

8. Connect the card to the first m.2 with the use of a m.2 to PCIe adapter

This would only work for the first m.2 slot because it's the one connected directly to the CPU. If you have an m.2 SSD and can move it to one of chipsets m.2 slots, know there might be speed penalties involved at least with certain SSDs (#1). If you are interested in this method, you can read here Master-W-Steve recommendation of components in order to do this.

9. Plug the card into a PCIe riser

As it is reported here (#1), plugging the card into a PCIe riser that has a separate power connector, like this one, could work. The theory about why this works is that the PCIe riser has a separate power supply. It could be that the PCIe issues are caused by inadequate power delivery to the PCIe cards by the motherboard.

Please leave feedback in the comment section below if one of these methods worked for you. Mention your sound card, motherboard and its BIOS version, CPU and OS.

How to verify if it's stable

To speedup the testing and see if your system is stable or not, you can the following:

  • Install UNi Xonar drivers multiple times.
  • In an audio/video player, load some audio files and cycle through them for a couple of minutes (thanks Arconas).
  • Launch a voice chat or recording application (ie Discord, Skype etc.) and maybe try a test converstation. Do this a couple of times.

Why it happens and what else you can do

From what I can tell, the reboot issues are because of some sort of issue with PCI/PCIe signal transmission on some motherboards and this causes in case of the Xonar drivers a error which results in a system crash. Given recent discoveries, it could be that the PCIe issues are caused by inadequate power delivery to the PCIe cards by the motherboard (#1, #2). While the reboot thing could technically be fixed within the drivers, there is no one to fix this as ASUS and C-Media have given up on drivers for the Xonar cards and I have limited access and resources to do such a thing. But even with such a fix, there would still be a problem with the motherboard and how it handles the PCIe signal transmission or power delivery. In some cases these issues will be partially or fully fixed through a BIOS update (#1).

The best course of action would be for you to contact the technical support of your motherboard and let them know of this issue and ask that they look into it. You should include a link to this page to provide them with additional information. If you are having problems getting pass the low level copy-paste support, you can try contacting them through their own support forums or their Twitter or Facebook account.

Ideally, this issue should also be brought up directly to AMD.


Other info & ASUS's response about these compatibility issues

Threads discussing these issues on ASUS ROG forums here and here.

ASUS official FAQ response about these issues here and here. The statement from ASUS that the cards (at least STX II and D2X) are not compatible is, at the very least, inaccurate, as it works with some motherboards and those Xonar cards are not the only PCIe cards affected. You would think that making both the Xonar sound cards and their own AMD Ryzen AM4 motherboards, most of which are affected by these compatibility issues, would make it much easier for ASUS to find a solution to the problem. Speaks volumes of how "great" their support is. To make matters even worse, after concluding that the cards are simply not compatible, they closed the main forum thread discussing this issue, thus roadblocking any community driven investigation for a possible solution.

On the topic of ASUS motherboards compatibility with sound cards, it's worth noting that you may run into issues with Creative cards as well (#1, #2). It's unclear at the moment if you will have the same problem with other motherboard brands or this problem affects mostly ASUS X570 boards.

ASUS owns ASMedia, the company that is behind the Ryzen's AM4 chipsets.


BIOS updates

Beta BIOSes and yet to be officially released BIOS versions can be found here.

I urge caution if you have a on a ASUS motherboard or from another manufacturer which does not allow you to downgrade to a previous BIOS version as a new BIOS could also cause new issues. If you have a dual BIOS motherboard, you should be fine.

BIOSes with AGESA 1.0.0.5

The AGESA 1.0.0.5 changelog mentions "Optimized PCIe® firmware to improve stability and interoperability", but AMD did not clarify what exactly does that mean and we don't know if this targets in any way the issues that people have with their PCIe soundcards. Before you update to BIOSes with AGESA 1.0.0.5 you should know that these may have some stability issues(#1, #2). If you have a on a ASUS motherboard or from another manufacturer which does not allow you to downgrade to a previous BIOS version it's probably best to wait for BIOSes with AGESA v1 1.0.0.6 or v2 1.0.0.2 (info).

BIOSes with AGESA 1.0.0.4B caution

Users are reporting that after updating the BIOS to a newer version that has AGESA 1.0.0.4B, the system won't boot if you have the Xonar card plugged in the motherboard. This happens with other PCIe cards as well (#1, #2, #3). Most motherboards brands seem to be affected (BIOSTAR #1, Gigabyte #1+, #2, ASUS #1, #2, #3, #4, ASRock #1). If you don't want to go to the hassles of updating the BIOS again to the previous version, you should hold off the update. Also, for some motherboards it is not possible to go back to the previous BIOS (ASUS #1, #2).

Update 13 Mar 2020: The fixed BIOS versions could still have problems with other PCIe cards. As someone reports here, his system does not work when the PCIe Firewire card is plugged. If you have another PCIe card and have a motherboard from ASUS or from another manufacturer which does not allow you to downgrade to a previous BIOS version, you should probably not update the BIOS to any version with AGESA 1.0.0.4B or newer. If you have a dual BIOS motherboard, you should be fine.

Update 06 Dec 2019: ASUS released on their official product pages the fixed BIOSes, at least for some of their X570 motherboards. For some of their motherboards the v1405 is the fixed one. The fix is not mentioned in the release notes, but the BIOS that follows after the initial AGESA 1.0.0.4B BIOS should be the fixed one.

Update 26 Nov 2019: ASRock's fixed beta BIOS versions are now available on products BIOS pages under Beta BIOS section with the changelog listing "Improve PCIe card compatibility". For ASUS motherboards and also other manufacturers, fixed BIOS versions can be found here, for some of Asus's X570 motherboards the fixed BIOS versions are labeled 1405. You should update to these beta BIOS versions only if you are stuck with a broken BIOS with AGESA 1.0.0.4B, otherwise you should probably wait for the final versions.

Update 23 Nov 2019: ASUS started distributing through forums and technical support a fixed beta BIOS for some of their motherboards (#1, #2, #3).

Update 20 Nov 2019: Gigabyte(#1) and MSI(#1, #2) released updated BIOS versions with AGESA 1.0.0.4B that do not have this issue. It seems Gigabyte replaced the previous BIOS and does not list the fix in the changelog, thus I am not sure all of Gigabyte's motherboards have the fixed BIOS, but BIOSes released on 2019/11/08 or later should have the fix. MSI list in their fixed BIOS change log "Improved PCI-E device compatibility". ASRock does offer through technical support a beta BIOS for some their motherboards that also works fine (#1, #2). I am not aware that ASUS or BIOSTAR have anything yet.

If you've updated the BIOS and the system no longer boots, you could try this: remove the sound card, start the PC and enter the BIOS, look for a setting a called “Initial Display Output” or similar, set it to the PCIe slot in which the main video card is plugged in, save settings and shut down the PC, reinsert the sound card and see if system boots. If it does not, remove the sound card again and revert back to the previous BIOS.

If you run into these issues you could contact your motherboard support letting them know of the issue.

Useful for:

  • ASUS Xonar DG, Xonar DGX, Xonar DG SI, Xonar DS, Xonar DSX, Xonar D1, Xonar D2, Xonar DX, Xonar D2X, Xonar HDAV, Xonar HDAV Slim, Xonar Essence ST, Xonar Essence STX, Xonar Essence STX II, Xonar Xense.
  • Other C-media CMI8786 and CMI8788  audio chipset cards:
    • Auzentech: HDA X-Purity 7.1, X-Meridian 1G, X-Meridian 2G.
    • HTOmega: Claro, Claro Plus, Claro II, Claro Halo, eClaro.
    • Razer Barracuda AC-1.
    • TempoTec HIFIER Serenade.
  • Creative Sound Blaster Z, Sound Blaster ZxR, Sound Blaster AE-7, Sound BlasterX AE-5, Sound Blaster AE-7, Sound Blaster AE-9.
  • AMD A320, B350, X370, B450, X470, B550, X570, X399, TRX40, B650, B650E, X670, X670E chipset motherboards.
Donation notice
Was this helpful? Please consider supporting us by making a donation.
AdSense

540 Comments

  1. Immu03 Oct 2022 @ 00:45

    Anxiously waiting for my Gigabyte X670e to arrive in about a week. Going to cry if I can't make the Xonar Essence STX II work on it- will report back in a week or so about if I can make it work or not with the board.

    Reply

    • CarvedInside04 Oct 2022 @ 21:26

      Fingers crossed. It would be interesting to know. I expect the situation with these new X670 and B650 AM5 motherboards to be a hit or miss depending on the motherboard, just like it was with the AM4 motherboards.

      Reply

      • Immu11 Oct 2022 @ 23:33

        The card (Xonar Essence STX II) is working perfectly on my Gigabyte X670e Aorus Master motherboard so far and I'm so happy! I'm using it on the 2nd PCI-e slot (PCIEX4) and It recognized the card with the bios the motherboard came with (F6)- and I updated the bios to F8a straight away before installing Windows 11 and drivers for this card. Drivers I used: UNi-Xonar-STXII-11.5-v1.80b-r3 (Low latency option). So far not a single issue and all the settings I used in the past on C-Media audio panel and works as well as on my old Z390 motherboard. I get to have another great 5+ years with this card now ^^ Thank you so much for these drivers! (Will of course report back if issues arise after more time passes but so far amazing!)

        Reply

        • Immu18 Apr 2023 @ 05:53

          Just wanted to update that after almost half a year, there has been zero issues with the card using the 2nd PCI-e slot (PCIEX4) and it still leaves enough space even for the biggest 4-slot cards so I can fully recommend this Gigabyte X670e Aorus Master motherboard to others in the same situation of not wanting to let go of their Xonar Essence STX II and wanting to update to an AM5 system. Also went from 7700X to 7800X3D & using 6200MHzC30 DDR5 & through multiple bios updates, zero issues with the sound card after all this time - Immu.

          Reply

  2. alucard12 Oct 2022 @ 23:59

    My ASUS ROG Xonar Phoebus Solo not works with last 3 bios in my MSI MEG X570 Unify. If I go older than last 3 bios it works but, I got +20C on CPU so I have to use latest bios without my sound card in 2022 lol.
    - I tried this PCIe riser but didn't work (https://i.hizliresim.com/rz7av2n.jpg)
    - switching PCIe slots didn't work. I have 5 PCIe slot none of them worked.(with last 3 bios)
    - slot speed Gen 1 2 3 4 didn't work and I think there is a bug in this setting, when I switch another speed from Gen4 to 1 2 3 in board explorer it still shows Gen4.
    I send a ticket to MSI support, the solution MSI suggested to me 1-change playback device 2-change PCIe slots. Ofc both didn't work. Also MSI told me we will duplicate the problem and try to resolve it with same sound card and motherboard if we can found the same soundcard but 2 days later they said we didn't find the same sound card.

    OS - Win 10, 21H2
    Bios - 7C35vAE (2022-08-18)
    CPU - AMD Ryzen 5900x
    Motherboard - MSI Meg x570 Unify
    Sound card - ASUS ROG Xonar Phoebus Solo.

    Admin notice: Fixed spellcheck and names formatting.

    Reply

    • CarvedInside13 Oct 2022 @ 21:56

      Next time, please take some time to write more correctly, so that your comment is easily readable. Use the browser spellcheck (right click on a word). Make the first letter of a new sentence uppercased, write the product names how they are originally written or at least capitalize their first letter, write "i" as "I".

      Reply

  3. RealNC01 Dec 2022 @ 05:37

    Xonar D1 with a PCI-e to PCI adapter (ASM1083 chipset) works fine on MSI B550-A Pro motherboard with a Ryzen 3700X.

    Admin notice: Admin generated comment based on authors original comment from here.

    Reply

  4. tiensha14 Dec 2022 @ 22:52

    Hello! After 1 month of trying everything and reading everything here about Xonar D2X and X570 chipset related problems I have resolved my problem permanently in my system. everything posted here has been awesome and max helpful. So:
    In my config: Gigabyte Aorus Extreme X570 and Xonar D2X, RTX 3080ti and a Dell Perc SAS SATA controller on 8x with 8 ports. So pretty complicated.
    Final stable config: video on slot 1 near processor, 16x speed 4.0 gen, 2nd slot free, 3rd slot the Dell Perc controller limited to 4x, 2.0 speed (native to controller), m.2 SSD 970 Pro in the 3rd slot partaining the chipset, in full speed and spec (tested and benched) works at max, also video card, the Perc raid controller reached 80% of max performance versus 8x PCIe, and, the sound board yes, that was the longest night to the light of day so to speak....
    1. m.2 adapter to PCIe (floppy power adapter, inserted in the 1st m.2 slot nearest CPU)
    2. GPU mining extender kit PCI Express cable with USB cable and SATA power adapter
    3. D2X inserted in mining extender kit (floppy power adapter of course) and mounted lower in the PC case in one of PCI slots below mobo
    4. using any driver any form (UNi Xonar or ASUS or C-media ) not a problem
    5. BIOS global power states disabled and CPU power states also (using OC anyway) (5950x Ryzen)
    6. BIOS version latest f36d
    7. before install driver (slot set to 1st gen in bios)
    8. after install sound driver, PCIe 16x set to auto or gen 3 whichever, and the rest of PCIe slot on auto, doesn't matter

    Used this config for about 4 months without any problems, posted today because of long testing and wanted to be sure.
    Using, games, music, foobar2000, you name it.....switching on the fly analog or digital, have Roccat Kave on analog 5.1 and Z5500 on optical.
    Piece of advice , if is applicable, USB port for amplify on Roccat Kave , use 2.0 port back of the board., no hub no front panel.

    In hoping that this might help someone, thanks again for all your advises and opinions. Good luck to ya all!

    Admin notice: Corrected comment by capitalizing the first letter of new sentences and capitalizing product names.

    Reply

  5. skii18 Dec 2022 @ 18:50

    Can a CPU switch cause for constantly driver crashes?

    The drivers used to work without any issues, with my Gigabyte X370 Gaming K7 board and Ryzen 7 1700 and Ryzen 7 3700X, now since I swapped my CPU for a Ryzen 9 5900X the drivers keep crashing after a few minutes.

    Using a Essence STX.

    Admin notice: Comment copied by admin from another page as the author didn't care enough to do it himself.

    Reply

  6. Miig18 Feb 2023 @ 05:44

    Hi. Owning an Asus X570 Prime Pro with an Essence STX II card.
    Was worried so I postponed the update to the max and stayed on original 2019 bios for looong time : 0808, agesa 1.0.0.3.

    But, recently upgraded from 3800X to 5800X3D so it was time to move :
    - Updated BIOS from 0808 to last one : 4408, agesa 1.2.0.7
    - Test with 3800X > All good : sound ok, relays clicking, no crashes, ASIO ok in foobar
    - Test with 5800X3D > Also all good
    Note :
    Windows 10 driver / reinstall was not performed.
    I think I'm still running with UNi-Xonar-W10-1825-v1.81a-r2.exe

    Reply

    • CarvedInside19 Feb 2023 @ 11:46

      That's great to hear. Thank you for sharing the info. You did the right thing by only updating the BIOS when absolutely needed and that 5800X3D is a significant step up.

      In which PCIe slot is the Xonar Essence STX II card plugged in? Have you changed that PCIe slot link speed to Gen 3/2/1 or you leaved that as AUTO?

      Reply

      • Miig22 Feb 2023 @ 13:14

        Hello,

        Some details :

        STX II Card is installed in the bottom PCI-Express x1 slot (PCIEX1_3)
        PCIe4 Radeon Graphic card in the first PCIEX16_1 slot.
        Both M2 slots are populated with PCIe3 SSDs.

        In BIOS
        Clear CMOS / reset to defaults has been performed before update & cpu switch.
        100mhz BCLK, 1800mhz IF, 3600mhz dram
        Internal "HD audio" chip is deactivated.
        All PCIe slots are left into Auto speed, I had no need to force the settings.

        BTW thank you for the amazing support regarding these Uni Xonar drivers.

        Reply

  7. Asuce20 Feb 2023 @ 20:51

    Hi,

    Just reporting that my ASUS Xonar HDAV1.3 Deluxe is not working well with my ASUS ROG STRIX B550-F Gaming.
    I am experiencing hard reboots mostly when browsing & watching videos.

    I am running Linux Mint 20.3 on a Ryzen 5900 X.

    Reply

    • CarvedInside22 Feb 2023 @ 15:11

      Hi. Thanks for the report. Have you tried any of the possible solutions that I've provided, particularly possible solution 3?

      Reply

  8. freeman220907 Mar 2023 @ 10:55

    Hello.
    Asus Xonar D2 not working with Asus Prime x370a (last bios)
    Asus Xonar Hdav 1.3 slim working with Asus Prime x370a (last bios)
    Asus Xonar Xense working with Asrock A320mdvs r4

    Admin notice: Product names lower case corrected (asus->Asus, xonar->Xonar etc.)

    Reply

    • CarvedInside12 Mar 2023 @ 16:57

      Hello. Thanks for the reports. For future comments please write the product names how they are originally written or at least capitalize their first letter so that your comments are easily readable (asus->Asus, xonar->Xonar etc.).

      Reply

  9. fiqulty05 Apr 2023 @ 13:16

    Asus Essence STX II 7.1 is working with Asus TUF GAMING B550M-PLUS WIFI II only while using "Gen 1" PCIe slot speed. Setting slot speed to Gen 2/Gen 3 caused bad stuttering on Windows 11, especially after updating to BIOS version 3002 (which updated AGESA version to "ComboV2PI 1208").

    Reply

  10. Moo22 Apr 2023 @ 22:12

    Asus TUF GAMING X670E-PLUS WIFI with BIOS 1410

    Asus Xonar DX: installed in bottom PCIe 4.0 x16 slot (PCIe 4.0 x16_2), works without problems.

    Reply

Legend:AdminAuthorFeaturedLinkedOff-topic

Leave a new commentReply to comment

Comment received.
Your comment may be held for moderation. If it does not show up immediately, please be patient. Comments have to comply with these rules:
  • English language only
  • Don't post insults or threats
  • Try to keep the discussion constructive and informative
  • Don't post questions without doing a search beforehand

We've noticed that you're using an AdBlocker

It's not just you, over 66% of our site's visitors are blocking the ads.

Please disable adblock for this website and refresh this page if you:
find the content useful
want us to create more useful content and software
want tech support through the comment section

The ads are placed so that there is minimal interference with page reading. There are no pop-up, pop-under or sticky ads.

Alternatively, you can support us by making a donation.

Close