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Topic: PCIE Multiplier - page 2. (Read 405 times)

newbie
Activity: 28
Merit: 1
February 28, 2021, 03:06:24 PM
#4
Hello,

I have this motherboard and is working ok with 6 cards, but I have extra 5 cards and the prices of the motherboards that support 12/13 gpus are pretty high right now, so I bought an PCIE extension. The issue is that when I plug the risers in the multiplier, the cards are not detected, but if I plug an usb stick, it works fine. Is because of the motherboard?

MB:     https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b250f-gaming-model/
PCIE Multiplier: https://www.amazon.co.uk/gp/product/B0855QY46F

Thanks

The riser interface is not USB3.0 it uses the connectors and cables but is not usb..  so you want a card more like this...

https://www.amazon.com/YIYIYI-Expansion-Converter-Adatper-Bitcoin/dp/B08TWBDNPP/ref=sr_1_1?dchild=1&keywords=YIYIYI&qid=1614537907&sr=8-1

This will work with risers to gpus.  Note that your cpu pcie lanes, chipset,  other intefaces turned on in bios can all affect how many gpus you can actually get to recognize.  If your bios has above 4g decoding then chances are good you can run more....  Its a try and see thing most of the time.


But usb3.0 plugged into a riser would present problems as the usb 3.0 is not compatible and carries voltage where risrs using usb connector/cables pass no voltages only data.  Its just usb connectors and cables are cheap and reliable so used for this application also.




Thanks, it has 4g decoding, and it detects 6 gpus. Would the below work, as on amazon they are all available from april at soonest here in UK ?

https://www.ebay.co.uk/itm/PCI-Express-1-to-4-Adapter-USB-3-0-Extender-Card-Mining-Accessory-4port-PCI-E/353395747777?_trkparms=ispr%3D1&hash=item5248072bc1:g:FTAAAOSwF-tgM2Dw&amdata=enc%3AAQAFAAACcBaobrjLl8XobRIiIML1V4Imu%252Fn%252BzU5L90Z278x5ickkWpEuxXwAiCNKyBQsQ5%252Fe64JkJJ%252FWwGPIbhbMy%252FetkUOR2LzdzPBI%252FGfyGXcAPmkse2tXoBygppeL8OHazhs%252B5%252BxfKcTMpy49aDxhESAzY49sY6Y1XJKgSIjbOjDVn1QxSt5v9XLW05KubxWvVw7TjwHd%252FbuhcknrVKhIGthRM1aRXnEyDxOadGHEJv8LHDKgug%252FnabCaU8BffFtawqMIxkDVj1KJt2DGb36vlXKIZu88Hq1E6SUW3TPVNyhgSMoAcSh8QomRIQ3dn%252F8I%252FGmLeeffZLfwfmE8LTH8okNBgxey2EjCk6Smneeg6m6Y6i%252FJdrBvE5CBd60lrq7UUs3bgs%252B7Z5vy77cJMUoZjRrb5xPc%252B6HMqEucPrNa6usupf%252BlFFCe7g0iM%252BIWBVhu3IuRULYNGtSfSiwtpD4sloXH5ZU3EUHGAAezd3yT9IDFQ8GI%252BpxeJWFjg7TODZ5nmK3U5fMhWM%252B0BZbg3ZLbApfOptVPRfbme6gTKyYq4f3pJGPTr4nhgS6jKqqkyUUVf65ndsicuLybWjMqeq9sqy%252Bl1OTBhiYt5YSiNvq%252FALapqWTceLzoPoa1llPT7XJqHYyj58h7uOB5BmiedVmcX1Pyxum63jsHBrNWyiEJOqmf%252FBIKiCnQvyGZ2kWgUhJg1dBg%252BSBJNKV6SqaMKj5q6TbofHdLpSuh1IG9lVVioagF%252B99cx91pdFoV0smN4myNETiLeNFOKzrbPNKDsr%252BjPIIAR1w9Qf0KllwPqpzE7ukC6l1mqf2Aw%252FBfNzE9khDC9pLJYg%253D%253D%7Ccksum%3A353395747777e0a0f7b30c7045b2bf899e9e654853e5%7Campid%3APL_CLK%7Cclp%3A2334524
member
Activity: 574
Merit: 18
Making Smart Money Work
February 28, 2021, 03:00:48 PM
#3
Running that much GPUS from a single PCIe slot? Naa I'd rather buy another motherboard or get three or four of this connector and use two/two cards on each connector, there are motherboards with 16x gpu space onboard though
full member
Activity: 1275
Merit: 141
February 28, 2021, 02:47:44 PM
#2
Hello,

I have this motherboard and is working ok with 6 cards, but I have extra 5 cards and the prices of the motherboards that support 12/13 gpus are pretty high right now, so I bought an PCIE extension. The issue is that when I plug the risers in the multiplier, the cards are not detected, but if I plug an usb stick, it works fine. Is because of the motherboard?

MB:     https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b250f-gaming-model/
PCIE Multiplier: https://www.amazon.co.uk/gp/product/B0855QY46F

Thanks

The riser interface is not USB3.0 it uses the connectors and cables but is not usb..  so you want a card more like this...

https://www.amazon.com/YIYIYI-Expansion-Converter-Adatper-Bitcoin/dp/B08TWBDNPP/ref=sr_1_1?dchild=1&keywords=YIYIYI&qid=1614537907&sr=8-1

This will work with risers to gpus.  Note that your cpu pcie lanes, chipset,  other intefaces turned on in bios can all affect how many gpus you can actually get to recognize.  If your bios has above 4g decoding then chances are good you can run more....  Its a try and see thing most of the time.


But usb3.0 plugged into a riser would present problems as the usb 3.0 is not compatible and carries voltage where risrs using usb connector/cables pass no voltages only data.  Its just usb connectors and cables are cheap and reliable so used for this application also.

newbie
Activity: 28
Merit: 1
February 28, 2021, 02:41:04 PM
#1
Hello,

I have this motherboard and is working ok with 6 cards, but I have extra 5 cards and the prices of the motherboards that support 12/13 gpus are pretty high right now, so I bought an PCIE extension. The issue is that when I plug the risers in the multiplier, the cards are not detected, but if I plug an usb stick, it works fine. Is because of the motherboard?

MB:     https://rog.asus.com/uk/motherboards/rog-strix/rog-strix-b250f-gaming-model/
PCIE Multiplier: https://www.amazon.co.uk/gp/product/B0855QY46F

Thanks
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