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+--- Thread: Asrock H81 & Radeon 7990 incompatibility (/thread-3700.html)
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RE: Asrock H81 & Radeon 7990 incompatibility - mrs - 10-03-2014
Interesting post confirming the 8 GPU limit is only related to the Windows AMD driver, this poster has 4x Radeon 7990 plus 2x NVIDIA cards = total 10 GPUs under Windows
https://bitcointalk.org/index.php?topic=712228.msg9069444
RE: Asrock H81 & Radeon 7990 incompatibility - epixoip - 10-03-2014
4x 7990 is 8 GPUs. That's the maximum the AMD driver supports. Not sure what you're not understanding about that.
RE: Asrock H81 & Radeon 7990 incompatibility - mrs - 10-03-2014
I was just sharing an interesting setup... no need to be so aggressive.
RE: Asrock H81 & Radeon 7990 incompatibility - mrs - 06-15-2015
Quick update: I've been running 4x 7990s on the ASUS Z97-WS successfully. This board won't boot with 5x 7990.
RE: Asrock H81 & Radeon 7990 incompatibility - ati6990 - 06-16-2015
This board won't boot with 5x 7990. oh jezuz pleaze...............
RE: Asrock H81 & Radeon 7990 incompatibility - epixoip - 06-16-2015
5x 7990 is 10 GPUs, and the AMD driver only supports 8. So even if it did boot, it wouldn't work.