Hi folks,
On my Athlon II 3GHz Win64 OS and using the onboard firewire (VIA) of my
Mo Bo M489TD Pro / usb3 my cpu usage swings wildly from 3% to 30%
running PwrSDR. The 4th core can get up of 99% of usage occasionally
and when this occurs audio cracks and pops and CW keying timing falters
a little. No a great drama; happens rarely. DPC's are low and tend to
max at 120 uSEC which is alright.
Yet I've seen folks post similar specs and not get more than 9% CPU
usage from similar systems. So I need to polish by system up a bit.
Ive discovered through the task manager the process causing the high
oscilation of CPU usage is a process called 'System Interupts.' My
question is... if disable the onboard firewire and install my PCI-E
firewire card (TI FW 400 Agere Lucerne) would this improve my overall
system usage. I was under the impression that AMD interupts were
managed by the CPU and not by an onboard controller so I am not sure.
Tim has always recommended external cards I know but I was hoping on
having keeping my PCI-E card in my old intel machine so I could simply
transport the FLX-3K upstairs on bachelor nights :-)
Dave.
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