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Why does the the AMD M690T Northbridge Chipset not support HDMI version 1.3?

April 26, 2017AMD Chipset HDMI m690t northbridge support version

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Why does the the AMD M690T Northbridge Chipset not support HDMI version 1.3?

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The primary reason the M690T does not support HDMI v1.3 is due to the v1.3 spec which calls for pixel rates up to 340 MHz. The M690T supports rates to 165 MHz only, which originates from the HDMI v1.0 specification. The M690T Audio does not support Dolby TrueHD and DTS-HD Master, which are part of the HDMI v1.3 spec.