Return to Level1Techs.com

Biostar X570 GT8 Motherboard Review | Level One Techs

********************************** Thanks for watching our videos! If you want more, check us out online at the following places: + Website: http://level1techs.com/ + Forums: http://forum.level1techs.com/ + Store: http://store.level1techs.com/ + Patreon: https://www.patreon.com/level1 + KoFi: https://ko-fi.com/level1techs + L1 Twitter: https://twitter.com/level1techs + L1 Facebook: https://www.facebook.com/level1techs + L1/PGP Streaming: https://www.twitch.tv/teampgp + Wendell Twitter: https://twitter.com/tekwendell + Ryan Twitter: https://twitter.com/pgpryan + Krista Twitter: https://twitter.com/kreestuh + Business Inquiries/Brand Integrations: [email protected]


This is a companion discussion topic for the original entry at https://level1techs.com/video/biostar-x570-gt8-motherboard-review
3 Likes

Which BIOS version was used in the review? IOMMU is working for me with the ‘AGESA ComboAM4 PI1.0.0.3 PatchAB update’ (X57AG705.BST) and also the ‘AGESA ComboAM4 PI 1.0.0.3ABBA update’ (X57AG910.BST), although the grouping became worse.
Note that there are two switches with the label ‘IOMMU’, one under Advanced>AMD CBS>NBIO Common Options and one under Chipset>North Bridge Configuration.

Here are the groupings:

X57AG705_iommu_groups

IOMMU Group 0:
00:01.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
IOMMU Group 1:
00:01.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1483]
IOMMU Group 10:
00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller [1022:790b] (rev 61)
00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge [1022:790e] (rev 51)
IOMMU Group 11:
00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1440]
00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1441]
00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1442]
00:18.3 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1443]
00:18.4 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1444]
00:18.5 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1445]
00:18.6 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1446]
00:18.7 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1447]
IOMMU Group 12:
01:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57ad]
IOMMU Group 13:
02:03.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
IOMMU Group 14:
02:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
IOMMU Group 15:
02:06.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
IOMMU Group 16:
02:08.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a4]
07:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Device [1022:1485]
07:00.1 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:149c]
07:00.3 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:149c]
IOMMU Group 17:
02:09.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a4]
08:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
IOMMU Group 18:
02:0a.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a4]
09:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
IOMMU Group 19:
03:00.0 Network controller [0280]: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) [168c:002e] (rev 01)
IOMMU Group 2:
00:02.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
IOMMU Group 20:
04:00.0 Ethernet controller [0200]: Intel Corporation I211 Gigabit Network Connection [8086:1539] (rev 03)
IOMMU Group 21:
05:00.0 PCI bridge [0604]: ASMedia Technology Inc. ASM1083/1085 PCIe to PCI Bridge [1b21:1080] (rev 04)
06:04.0 Multimedia audio controller [0401]: C-Media Electronics Inc CMI8788 [Oxygen HD Audio] [13f6:8788]
IOMMU Group 22:
0a:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP104 [GeForce GTX 1070 Ti] [10de:1b82] (rev a1)
0a:00.1 Audio device [0403]: NVIDIA Corporation GP104 High Definition Audio Controller [10de:10f0] (rev a1)
IOMMU Group 23:
0b:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK208B [GeForce GT 730] [10de:1287] (rev a1)
0b:00.1 Audio device [0403]: NVIDIA Corporation GK208 HDMI/DP Audio Controller [10de:0e0f] (rev a1)
IOMMU Group 3:
00:03.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
IOMMU Group 4:
00:03.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1483]
IOMMU Group 5:
00:03.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1483]
IOMMU Group 6:
00:04.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
IOMMU Group 7:
00:05.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
IOMMU Group 8:
00:07.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
00:07.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1484]
0c:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Device [1022:148a]
IOMMU Group 9:
00:08.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
00:08.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1484]
00:08.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1484]
00:08.3 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1484]
0d:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Device [1022:1485]
0d:00.1 Encryption controller [1080]: Advanced Micro Devices, Inc. [AMD] Device [1022:1486]
0d:00.3 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:149c]
0d:00.4 Audio device [0403]: Advanced Micro Devices, Inc. [AMD] Device [1022:1487]
0e:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
0f:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)

X57AG910_iommu_groups

IOMMU Group 0:
00:01.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
00:01.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1483]
01:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57ad]
02:02.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
02:03.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
02:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
02:06.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
02:08.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a4]
02:09.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a4]
02:0a.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a4]
03:00.0 Multimedia video controller [0400]: Conexant Systems, Inc. CX23885 PCI Video and Audio Decoder [14f1:8852] (rev 04)
04:00.0 Network controller [0280]: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) [168c:002e] (rev 01)
05:00.0 Ethernet controller [0200]: Intel Corporation I211 Gigabit Network Connection [8086:1539] (rev 03)
06:00.0 PCI bridge [0604]: ASMedia Technology Inc. ASM1083/1085 PCIe to PCI Bridge [1b21:1080] (rev 04)
07:04.0 Multimedia audio controller [0401]: C-Media Electronics Inc CMI8788 [Oxygen HD Audio] [13f6:8788]
08:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Device [1022:1485]
08:00.1 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:149c]
08:00.3 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:149c]
09:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
0a:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
IOMMU Group 1:
00:02.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
IOMMU Group 2:
00:03.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
00:03.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1483]
00:03.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1483]
0b:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP104 [GeForce GTX 1070 Ti] [10de:1b82] (rev a1)
0b:00.1 Audio device [0403]: NVIDIA Corporation GP104 High Definition Audio Controller [10de:10f0] (rev a1)
0c:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK208B [GeForce GT 730] [10de:1287] (rev a1)
0c:00.1 Audio device [0403]: NVIDIA Corporation GK208 HDMI/DP Audio Controller [10de:0e0f] (rev a1)
IOMMU Group 3:
00:04.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
IOMMU Group 4:
00:05.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
IOMMU Group 5:
00:07.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
00:07.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1484]
0d:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Device [1022:148a]
IOMMU Group 6:
00:08.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1482]
00:08.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1484]
00:08.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1484]
00:08.3 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:1484]
0e:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Device [1022:1485]
0e:00.1 Encryption controller [1080]: Advanced Micro Devices, Inc. [AMD] Device [1022:1486]
0e:00.3 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Device [1022:149c]
0e:00.4 Audio device [0403]: Advanced Micro Devices, Inc. [AMD] Device [1022:1487]
0f:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
10:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
IOMMU Group 7:
00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller [1022:790b] (rev 61)
00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge [1022:790e] (rev 51)
IOMMU Group 8:
00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1440]
00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1441]
00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1442]
00:18.3 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1443]
00:18.4 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1444]
00:18.5 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1445]
00:18.6 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1446]
00:18.7 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device [1022:1447]

Update for ‘AGESA ComboAM4 PI 1.0.0.4B update’ (X57AGB05.BST):

IOMMU Group 0:
	00:01.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]
IOMMU Group 1:
	00:01.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge [1022:1483]
IOMMU Group 10:
	00:07.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1022:1484]
IOMMU Group 11:
	00:08.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]
IOMMU Group 12:
	00:08.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1022:1484]
IOMMU Group 13:
	00:08.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1022:1484]
IOMMU Group 14:
	00:08.3 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B] [1022:1484]
IOMMU Group 15:
	00:14.0 SMBus [0c05]: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller [1022:790b] (rev 61)
	00:14.3 ISA bridge [0601]: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge [1022:790e] (rev 51)
IOMMU Group 16:
	00:18.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 0 [1022:1440]
	00:18.1 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 1 [1022:1441]
	00:18.2 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 2 [1022:1442]
	00:18.3 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 3 [1022:1443]
	00:18.4 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 4 [1022:1444]
	00:18.5 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 5 [1022:1445]
	00:18.6 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 6 [1022:1446]
	00:18.7 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Matisse Device 24: Function 7 [1022:1447]
IOMMU Group 17:
	01:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57ad]
IOMMU Group 18:
	02:01.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
IOMMU Group 19:
	02:02.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
IOMMU Group 2:
	00:01.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge [1022:1483]
IOMMU Group 20:
	02:04.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
IOMMU Group 21:
	02:06.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a3]
IOMMU Group 22:
	02:08.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a4]
	07:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP [1022:1485]
	07:00.1 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host Controller [1022:149c]
	07:00.3 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host Controller [1022:149c]
IOMMU Group 23:
	02:09.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a4]
	08:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
IOMMU Group 24:
	02:0a.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device [1022:57a4]
	09:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
IOMMU Group 25:
	03:00.0 Non-Volatile memory controller [0108]: Micron/Crucial Technology P1 NVMe PCIe SSD [c0a9:2263] (rev 03)
IOMMU Group 26:
	04:00.0 Network controller [0280]: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) [168c:002e] (rev 01)
IOMMU Group 27:
	05:00.0 Ethernet controller [0200]: Intel Corporation I211 Gigabit Network Connection [8086:1539] (rev 03)
IOMMU Group 28:
	06:00.0 Multimedia video controller [0400]: Conexant Systems, Inc. CX23887/8 PCIe Broadcast Audio and Video Decoder with 3D Comb [14f1:8880] (rev 04)
IOMMU Group 29:
	0a:00.0 Non-Volatile memory controller [0108]: ADATA Technology Co., Ltd. XPG SX8200 Pro PCIe Gen3x4 M.2 2280 Solid State Drive [1cc1:8201] (rev 03)
IOMMU Group 3:
	00:02.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]
IOMMU Group 30:
	0b:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK208B [GeForce GT 730] [10de:1287] (rev a1)
	0b:00.1 Audio device [0403]: NVIDIA Corporation GK208 HDMI/DP Audio Controller [10de:0e0f] (rev a1)
IOMMU Group 31:
	0c:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP104 [GeForce GTX 1070 Ti] [10de:1b82] (rev a1)
	0c:00.1 Audio device [0403]: NVIDIA Corporation GP104 High Definition Audio Controller [10de:10f0] (rev a1)
IOMMU Group 32:
	0d:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Function [1022:148a]
IOMMU Group 33:
	0e:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP [1022:1485]
IOMMU Group 34:
	0e:00.1 Encryption controller [1080]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Cryptographic Coprocessor PSPCPP [1022:1486]
IOMMU Group 35:
	0e:00.3 USB controller [0c03]: Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host Controller [1022:149c]
IOMMU Group 36:
	0e:00.4 Audio device [0403]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse HD Audio Controller [1022:1487]
IOMMU Group 37:
	0f:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
IOMMU Group 38:
	10:00.0 SATA controller [0106]: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] [1022:7901] (rev 51)
IOMMU Group 4:
	00:03.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]
IOMMU Group 5:
	00:03.1 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge [1022:1483]
IOMMU Group 6:
	00:03.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge [1022:1483]
IOMMU Group 7:
	00:04.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]
IOMMU Group 8:
	00:05.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]
IOMMU Group 9:
	00:07.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge [1022:1482]

Thanks for the post!
This was an earlier version, I believe. The ‘worse’ groupings look better than what I had, but not as good as other boards on the AB version of the Agesa.

This is not a board thing, though, it is an AMD thing as I found out later.