I have a MSI Z77A-GD80 motherboard and want to attach 5 VGA cards to it for mining. When I attach 3 of them - Sapphire R9 280X - to the motherboard, it boots fine. But, when I add the fourth one to it, it doesn't boot at all, and the debug LED on it shows 92. According to the manual, this error code relates to "PCI bus initialization".
When I add a VGA card with low RAM - 128MB - as the forth card, it boots fine. I guess this problem is related to the VGA RAM limit of the motherboard. How can I find this limit and how can I raise it?
Motherboard: MSI Z77A-GD80
CPU: Celeron G1620
PSU: 2x Corsair 850
Ram: Kingston 4GB
When I add a VGA card with low RAM - 128MB - as the forth card, it boots fine. I guess this problem is related to the VGA RAM limit of the motherboard. How can I find this limit and how can I raise it?
Motherboard: MSI Z77A-GD80
CPU: Celeron G1620
PSU: 2x Corsair 850
Ram: Kingston 4GB
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