It was hard to find any reference to someone having an extremely slow performance problem with this motherboard - I'm guessing that not a lot of people have tried 4GB of RAM with this board plus Fedora Core 7.
The answer for now is to either drop back to 2GB of RAM or just define the mem=3GB or anything less than 4GB in GRUB.
It took days to install fc7 with 4GB or less than an hour with 2GB. Initially I had 2 ddr2-800 2GB dimms which were detected as 667. I then replaced them with 2 ddr2-667 dimms but the performance was just as bad. Removing one resulted in the incredible speedup - but I could also have them both in and define it as < 4GB in GRUB and get the same speedy performance.
Another annoyance with fc7 so far has been that after installing the 100 updates suggested after the install from DVD - on reboot it appeared to hang at starting udev. Selecting a non-xen kernel would let it boot ok.
References online seemed to confirm that it was "hanging" at starting udev. However, I found that if you just leave it alone for long enough it goes ahead and boots. It's a long time plus it says FAILED about halfway through and timed out. But then it boots.
I had selected Gnome as my desktop environment - unsure if it would be different with KDE etc.
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Intel DQ965GF slow with Fedora 7 fc7 and 4GB RAM
Comments
Re: Intel DQ965GF slow with Fedora 7 fc7 and 4GB RAM
by
Anonymous
on Wed 22 Aug 2007 01:51 PM PDT | Permanent Link
This happens with 64-bit OSes and > 3GB of RAM (more than can be addressed in 32 bits, actually). I BELIEVE Intel is aware of the issue (it's specific to the 965 chipset), but no patch has come out yet. My understanding is that this happens with Vista 64-bit, as well.
Re: Intel DQ965GF slow with Fedora 7 fc7 and 4GB RAM
by
Anonymous
on Fri 14 Sep 2007 01:49 AM PDT | Permanent Link
Hi! Strange! SAME PROBLEM TOO! With 4 Gb DDR2 on an Intel DQ965GF
i spent 2 full days to instal (only as test) a windows server 2003 r2. Finaly, this machine must be a Centos one! Only if I will manage the lack of detection of my RAID volume :-) ! ICH8 Re: Intel DQ965GF slow with Fedora 7 fc7 and 4GB RAM
by
Chris
on Tue 02 Oct 2007 07:40 AM PDT | Permanent Link
The problem of slow booting is also fixed by installing a graphics card, so it appears it's being caused in some way by the onboard intel graphics.
Using the internal graphics I found that to get the maximum memory possible without slowing the system to a crawl, ~3781MB (as reported by free -m), in CentOS/Red Hat 5 I had to set mem=4700M as a boot parameter (Despite only having 4GB ram). Whatever... Trackbacks
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