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Old 02-11-2020, 02:39 AM   #8
stj
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Default Re: Marvell Gigabit controller stuck at 100Mbps

try a linux livedisk,
try a new cable - check it has all 8 wires connected.
100mb does not use all 8, 1000 does.

if you still cant get it going, check the transformer on the motherboard and any asociated ceramic caps.
if the chip cant detect all 8 lines it will not run at 1000.

incidentally, most marvel chips can run a cable test and even have a built-in TDR function.
try tracking down the software - i think asus used to supply it with the top-end athlon boards.
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