Yes, that was also an idea I had a couple of days ago. It did enable ASPM for the integrated ASM1166 but the C-States were still stuck at C3. Seems like it's only a graphical fix. I tried reloading the ata driver too after force enabling ASPM from linux.
I asked them about it but so far no response. I also find it weird and I tried all of the available PCIe settings in the BIOS with no success. The PCIe link just breaks after some seconds according to the kernel logs. lspci also reports weird stuff on the integrated ASM1166 controller with ASPM...
No, the SATA chip itself does not consume that much power. The issue is that JMB585 prevents the system to go into deeper C-States due to the lack of PCIe native power management (ASPM). That alone accounts for 10-15W at idle
The AMD one has an ASM1166 and an ASM1164 so probably only one is native (maybe even none)
AMD has HW encoding too, but.it's encoders are inferior to Intel's
The package states are the important ones and all of those chinese N100/300 boards use an JMB585 which is why package state will be stuck at C3 at maximum
The AMD board is interesting as it uses both an ASM1164 and ASM1166 for the SATA ports. If it just wasn't for AMDs notoriously bad video...
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