[time-nuts] Re: Ryzen mobos with serial port for Garmin GPS?

[Angus]

On Thu, 4 Nov 2021 22:36:29 -0700, you wrote:

>(Yes, I know that PCI serial port cards exist -- however, these are not 
>suitable for connecting a GPS time reference because the PPS signal 
>timing is unpredictable -- so I've limited myself to using motherboards 
>with a builtin serial port.)

What timing issues did you have?
I've used a similar setup on two old windows machines (one XP and one
Win10) and I didn't see much difference between the built in serial
port and the ones on the PCI serial cards. They were not PCIe.