Quote from: baykan on April 30, 2016, 11:11:12 AM

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Could you have by accident installed 32bit windows? I know you said it's x64 but it sounds like you're pressing that 4gb limit (~3.25gb addressable)

I can confirm it is indeed x64 via the Control Panel's basic system information. I have the same distro installed on two other rigs, one of which is an Intel Bad Axe 2 seating 1 390x, 1 290x & 1 290 w/ 2 x 1 GB + 2 x 2GB where all 6GB are properly allocated and the other from vague recollection is an Asus P5b also on socket 775 with 2 x 2GB where only 3.25GB is usable as indicated in the motherboard's manual.

fo00ok

I have a very similar PC - s.775, 4GB RAm, Win7, 3.25GB recognized with latest bios and 290 inside.
It works flawlessly with Virtual memory set to static 16GB size and all Genoil/Claymore versions

Ethminer works just fine as well as Claymore's v1.2. I just set a single 16GB pagefile and tried launching v4.1 and it returned the following error: GPU 0, OpenCL error -4 - cannot create DAG.

@Claymore

I uploaded my log and would be very grateful if you can take a quick glance at it.

https://dropfile.to/aCSRy1d

I'm mining with 775 CPU's and boards here..

win 7 64bit, 4GB ram, 80gb HDD , Xeon 3220 (Q6600)

I'm mining alright here, currently on v3.2 ...haven't tested the V4.0 (the no DAG version)

I have a pentiumD, a pentium 4 HT, and core2duo E8400 that I decomissioned for mining...these very old CPUs compared to X3220 are affecting hashrate..

and one of the best advantages of v4 is the minimized cpu usage.
with my single motherboard, old xeon xpu, with 5 gpus it was %25+
now the cpu usage is %1, and I believe mining is a tick faster, fyi

Memory usage decreased from ~1.5GB to ~0.15GB.

I'm also mining Hodlcoin on all available cores of my q6600 & PentiumD without any noticeable impact on my ETH+DCR hashrate.