need help setting up, and troubleshooting config for a 48" X 48" X 5" router

i am fairly new to CNC, so please be gentile on me

ok, i bought a Techno/Isel CNC router a while back, it is about 48" X 48" X 5" working area. all the components i have bought off eBay to get it operational again.

my stepper drivers are HY-DIV268N-5A, i don't have the stepper info on me at the time, but i can get it if needed.

now, i am not sure how to setup LinuxCNC for my hardware. i couldn't find any timing info for my stepper drivers, so if somebody knows the values i would be most grateful.
Here are the symptoms:
all axis will move fine when jogging with the test controls in StepConf Wizard, though the negative jog is a little more noisy than the positing movement. when i jog with LinuxCNC, it works the first time on all axis, but when i cycle back through, all axis make a lot of noise with no movement. also, when i set "Machine off", the steppers all buzz.

thoughts? suggestions?

Thanks in advance for any help.

~Travis

Here is a stepper driver timing page from the wiki.
wiki.linuxcnc.org/cgi-bin/wiki.pl?Stepper_Drive_Timing

What values do you have now for step and direction timing?

JT

i am not at my machine right now, but the last driver setting i tried was for the Hobbycnc preset. i was trying to find one that would work for a base value to figure it out from.

~Travis

Really you can't just guess at the numbers... there must be some info somewhere on the drive about timings. Start with the chinese blue board timings from the link I gave you.

JT

ok, thanks, i will do just that. I have searched google, and all i could find is the connection diagrams. failing that, i may have to open one up and see what driver chip it uses, and find a datasheet for it.

~Travis

The driver chip is only a part of the equation, other parts like optos may require longer times than the chip itself.

JT