AMT8 in Catalina

[Ibi Sum]

When in doubt use a USB tester.  I have one which shows voltage and packet flow in pass through mode - it’s shocking how this standard is abused by manufacturers.

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seclorum 

> On 28.04.2020, at 07:15, Peter Korsten <peter at severity-one.com> wrote:
> 
> Op 28-4-2020 om 00:10 schreef Jay Vaughan:
>>> It's an ASUS Z97-A with an i7 on it. It has served me well over the past 5 years, with the exception of the USB it seems... One of the few boards at the time that still had a PCIX slot, hence my choice.
>> The problem was more than likely the external devices not getting the power it needed until you put it on a hub ..
>  That was definitely an issue with my Supermicro C7X58 with LGA1366 socket. Of the four USB ports I kinda blew up while installing the ATX backplate, one of them turned out to be still working, years later, while one of the unaffected ports stopped working. It was a power issue, although I suppose sticking the little metal lips of the backplate into the ports didn't help.
> 
> I ended up buying a 4xUSB PCI (!) card to make up for the lost ports and the increasing number of USB devices.
> 
> Oh, and I'll never buy another Asus in my life, not after three mainboard and a graphics card all developed problems of some sort, or simply stopped working. Other people seem happy with them, though.
> 
> - Peter
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