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Re: SAM440 - R9250 vs HD 7750 benchmarks

Subject: Re: SAM440 - R9250 vs HD 7750 benchmarks
by sailor on 2021/4/25 15:41:14

@geennaam
Quote:
But I have to disappoint you. Someone else uploaded a >25% better result today as well. (Wasn't me.)


It was me.
According your advice I tried other PCI-PCIe bridge - P17C9X 111SLBFDE.
The card is Powercolor Devil R9 270X ( borrowed from my AmigaOne X1000) and my Sam440ep-flex is 733MHz version.
This card is dual-slot and 180 TDP, a little bit overkill for little Sam .

And I have no succsess with PCI-PCIe bridge PEX8111 (and have no 8112). With 8111 works only U-boot, in serial debug is
RadeonHD.chip (0): Connector[4] DVI-D 2:
RadeonHD.chip (0): Type: RHD_CONNECTOR_DVI_SINGLE
RadeonHD.chip (0): DDC bus: RHD I2C line 4
RadeonHD.chip (4): rhdSIHPDCheck returned: 100 mask: 100
RadeonHD.chip (0): HPD: RHD_HPD_1 (monitor connected)

but black screen. I have to experiment with cables and connectors more.

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