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two graphic cards with annoying problems

Question asked by geetheking on Oct 2, 2018



I have a fully AMD system and i wanna use 5 monitors, so I bought a second videocard. The main is an HD6970 and the second is an HD6450.

The config is working, but not perfect. The screen is freezing for some milliseconds periodically - its very annoying. The games too and some is freezing for seconds. (The game always runs on the primary card).


Anyone have an idea what can i do?


My config is:

Power supply FSP Epsilon 80plus 700W

Motherboard Gigabyte GA-970A-DS3P


RAM DDR3 2×8 GB @1600MHz

Video card 2 Sapphire AMD Radeon HD6970 2GB (in PCI-e_16_8x)

Video card 2 Sapphire AMD Radeon HD6450 2GB (in PCI-e_16_4x)

monitor1 Samsung Syncmaster TFT 223BW @DVI (w DP->DVI converter) 1680×1050

monitor2 Samsung Syncmaster 2243 @DVI 1680×1050

monitor3 Samsung Syncmaster 2243BW @DVI 1680×1050

monitor4 ASUS @DVI 1680×1050

monitor5 Fujitsu Siemens @D-SUB 1366 x 768


System: Windows 10 pro 64 bit (But tried Win7 too)

Catalyst: Crimson 16.2.1