thedecline Posted December 8, 2008 Share Posted December 8, 2008 I've just updated to 8GB of 1066 ram on my Asus P5Ke/WIFI AP board. Before hand I had 4GB of 800 and I had to turn off memory remapping in the north bridge bios settings to make the machine stable - and it was damn stable. With the 8GB of 1066 I cannot seem to make the machine stable at all. It seems to kernel panic every hour or so and immediately as soon as I'm doing something ram intensive like rendering in After Effects. I have messed around with the bios settings a lot and nothing has really helped. I've tried the ram underclocked to 800 and clocked up to 1066. Memory remapping on and off, and a whole combination of cpu settings. I've also tried two different OSx86 distros and 3 kernels. My hardware: Intel Q6600 Asus P5KE/Wifi AP 8GB (4 x 2GB) Kingston Hyper X 1066 ram My software: Jas 10.5.4 (also tried iAtkos 4i) Vanilla Kernel 9.4 (also tried Voodoo beta 9.5 and Stage XNU 9.4) My questions are directed to people running 1066 ram (specifically 8GB of it) and people using the P5Ke varients of mobos too. What distro/installation method are you using? What kernel are you using? Are there any specific BIOS settings you are using? From what I have read about the forums there are quite a few people suffering from the 8GB kernel panic syndrome. Perhaps we can put an end to it. Link to comment https://www.insanelymac.com/forum/topic/139940-any-p5ke-owners-using-8gb-of-1066-ram/ Share on other sites More sharing options...
thedecline Posted December 10, 2008 Author Share Posted December 10, 2008 Okay, luckily I don't rely on responses to my posts... Anyway for anyone that is experiencing frequent kernel panics with more than 4GB of ram I have solved the problem to some degree: It was my "siliconimage3132r5.kext", it's been well documented that this thing causes panics when you have over 4GB of ram. So I removed it and am now using "siliconimage3132.kext" with a software raid done in disk utility (the sil3132 is software raid anyway I believe). Same benchmark scores so all is good. JMicron and AppleVIAATA could have also been the cause. As I'm not using IDE or esata on this board I have disabled them as well. I also fix up the ram timings and voltage in bios (5-5-5-15 at 2.2v). *System seems to be as stable as a rock* Link to comment https://www.insanelymac.com/forum/topic/139940-any-p5ke-owners-using-8gb-of-1066-ram/#findComment-993580 Share on other sites More sharing options...
thedecline Posted December 16, 2008 Author Share Posted December 16, 2008 Okay well it seems I have resolved the RAM kernel panic - but I'm still getting them, in a pretty random fashion. I can't seem to reproduce it either. Happened twice now using Illustrator and Photoshop at the same time and switching between the two with a CMD-TAB. Also happened once during a shutdown and once during a startup. Overall the system is not stable, and I'm not sure what the problem is. It may be the ram timings? I've tried 5-5-5-15 at 2.2v and the above KP's happened. Now I'm doing 5-5-5-18 at 2.2v and we'll see how it goes. Link to comment https://www.insanelymac.com/forum/topic/139940-any-p5ke-owners-using-8gb-of-1066-ram/#findComment-1000766 Share on other sites More sharing options...
thedecline Posted December 18, 2008 Author Share Posted December 18, 2008 5-5-5-18 didn't do it. Still getting panics daily, although they seem to be less frequent than with 5-5-5-15. Link to comment https://www.insanelymac.com/forum/topic/139940-any-p5ke-owners-using-8gb-of-1066-ram/#findComment-1004136 Share on other sites More sharing options...
bluehiro Posted January 21, 2009 Share Posted January 21, 2009 I just wanted to let you know that there are P5K-E owners that appreciate you posting information on here. I'm at 4gigs of RAM, having a few problems and I've found this to be very educational as I was thinking of going to 8gigs. Your "disable memory remapping" tip came in handy for me Thanks! Link to comment https://www.insanelymac.com/forum/topic/139940-any-p5ke-owners-using-8gb-of-1066-ram/#findComment-1049693 Share on other sites More sharing options...
Recommended Posts