Hello people.
I have an issue, mine stepper motors not running smooth, its like PC is not sending pulses to motors continously. Its like there are some delays at random times between pulses.
Also sound of motors is not continous, noises every cca half a second, and alot of vibrations cause of it.
I run via MACH3, Windows XP. I ran DriverTest in Mach3 folder and graph looks like this.
I've done some things already: Formatted and Reinstall windows, change PC mode from ACPI to Standard PC change pulse width from 0 to 5us in Motor Tunning in MACH3... and strange motor running is still present. I have DB25 1205 breakout board and its connected via LPT.

Do you have any recommendations what to do?
https://www.cnczone.com/forums/attac...d=482812&stc=1
Thank you, Matic

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