Post
Topic
Board Mining (Altcoins)
Re: [ANN] cudaMiner - a new litecoin mining application [Windows/Linux]
by
djm34
on 27/03/2014, 17:09:27 UTC
After a couple of weeks of happy vertcoin mining with 5x EVGA 750ti's, I can't get anywhere now.  When Cudaminer first started crashing, I found it worked fine when I removed the two cards on powered risers. So then I mined with three cards for a few days. But now it just crashes on startup... with one, two, or three cards in the 16x slots.  I've switched them around, no luck.  I've reinstalled drivers, no luck. Stopped overclocking, no luck.

Win7 64 bit, Sempron processor.  Any suggestions?

Mobo is new, no apparent damage.  Power supply is new, only drawing about 60% of its capacity when everything is hashing.  I don't think either of these are the problem.

Helps?

Does this only happen when you use cudaminer?
Try running a game or a benchmark.
Does the driver crash together with cudaminer?

Have you tried explicitly removing the driver and installing it fresh?
sometimes that can make a difference, especially with amd cards.

Crashed on GPU benchmark... clean reinstall of driver... crashed on GPU benchmark again.  Repeat.  Same result.  But now the rig won't power up at all.

Figured I had a bad motherboard.  Started disconnecting it from the power supply (brand new Seasonic Gold 600w). Found that the power cable for the GPUs on the risers was melted at the power supply.  Obviously not Cudaminers fault!

that's funny how often this happens... sata or molex ? and how many on the same cable ?
(photo welcomed)


Molex for the ones on risers.  Two 750ti's on the same cable. Won't make that mistake again.

There were also two pins fried on the motherboard-psu connection.  I don't know which came first, the chicken or the egg.  Guessing the motherboard problem was derived from the riser problem, since the GPUs on the risers went out a few days before the mobo finally died.  Running at full voltage but I did have the power dialled back to 97%.  Will be more conservative with replacements!

Are you sure the problem is not in the power supply ? (I mean if everything start burning around it...)