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MSI B250 Krait Gaming - only 4 gpu?
CryptoManiac
Member Posts: 49 ✭
in Mining
Hi guys!
Because ASROCK H81 PRO BTC are no longer available in my country I bought MSI B250 krait gaming MOBO instead. It has 6 PCIe slots so I thought it will be ok.
https://www.msi.com/Motherboard/B250-KRAIT-GAMING.html
After installing everything as usually (windows 10 pro) I started to put all 6 GPU’s (sapphire nitro+ RX480 4GB) into mobo. But after launching I see only 4 GPU in device manager. I disabled on board Audio and Display.
Also trying Gen1 and Gen2 pcie settings and change PCIe risers for those I tested and I am sure they are fine.
I also checked this on different drivers but always the same result.
I found this in manual:
"The PCI_E2/ PCI_E5 slot will be unavailable when an expansion card has been installed in the PCI_E3/ PCI_E6 slot."
Is that means this mobo can only support 4 cards? So why it has 6 PCIe slots?
Can someone help me with that?
Because ASROCK H81 PRO BTC are no longer available in my country I bought MSI B250 krait gaming MOBO instead. It has 6 PCIe slots so I thought it will be ok.
https://www.msi.com/Motherboard/B250-KRAIT-GAMING.html
After installing everything as usually (windows 10 pro) I started to put all 6 GPU’s (sapphire nitro+ RX480 4GB) into mobo. But after launching I see only 4 GPU in device manager. I disabled on board Audio and Display.
Also trying Gen1 and Gen2 pcie settings and change PCIe risers for those I tested and I am sure they are fine.
I also checked this on different drivers but always the same result.
I found this in manual:
"The PCI_E2/ PCI_E5 slot will be unavailable when an expansion card has been installed in the PCI_E3/ PCI_E6 slot."
Is that means this mobo can only support 4 cards? So why it has 6 PCIe slots?
Can someone help me with that?
Comments
Having same problem. Trying to work 6 GPU on this board MSI B250 Krait Gaming. ONLY 4 GPUs are visible. In bios there is a settings for "Above 4G memory/Crypto Currency mining - especially if you want to utilize more than 4 GPUs". How is possible that you are saying "this only support 4 PCI-E" but in BIOS there is a setting for "more than 4 GPUs"?! I bought 6 of this boards and just noticed I am not able to see 6 GPUs in Windows 10...
Anyone running 6 cards on this board?
. 3x PCIe 3.0 x1 slots
* The PCI_E4 slot will be unavailable when an M.2 PCIe SSD module has been
installed in the M2_2 slot.
** The PCI_E2/ PCI_E5 slot will be unavailable when an expansion card has
been installed in the PCI_E3/ PCI_E6 slot.