[time-nuts] LH Z3801 and XP stalling

Chuck Harris cfharris at erols.com
Fri Dec 16 16:12:50 EST 2016

Most older laptops have power saving hardware on the com ports
and the lpt ports too!

Try putting a blinky box on the port to see if the signals
stay lit through the stall.

-Chuck Harris

paul swed wrote:
> Thanks everyone.
> However on the dell laptop its an actual rs232 port. They used to include
> those. :-)
> I am thinking of trying a usb port to see if that works. It is all working
> nicely on a acer windoze vista laptop.But the machine I normally use for
> this stuff is the dell laptop.
> Regards
> Paul
> On Fri, Dec 16, 2016 at 9:33 AM, Chuck Harris <cfharris at erols.com> wrote:
>> A customer's 'doze 7 computer got auto updated to 'doze 10,
>> and with that upgrade came a usb hub that timed out, turning
>> itself off.... the only problem was, the keyboard and
>> mouse were on that hub, leaving no way to signal the computer
>> to turn the hub back on.  Ultimately, the customer found that
>> if he unplugged the monitor, plug and pray would restore things.
>> For a while.
>> -Chuck Harris

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