[CentOS] core 2 duo motherboards and centos 4

[Drew Weaver]

Keep in mind that the DP965LT doesn't work with centos...

 

-----Original Message-----
From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] On
Behalf Of John R Pierce
Sent: Tuesday, January 23, 2007 12:00 PM
To: CentOS mailing list
Subject: Re: [CentOS] core 2 duo motherboards and centos 4


> Nobody answered my original question, can you fill a motherboard with 
> four DDR2 slots up to 8GB at all?

Intel's DP965LT motherboard claims 8GB support with 4 DDR2 dimms.
http://developer.intel.com/products/motherboard/DP965LT/index.htm

if you have 4 dimms in this chipset, you're limited to 667Mhz memory
bus, with 2 dimms, and the right memory timings, you can get 800Mhz
memory timings.  All memory used in P965 chipsets must be 1.8V
compatible.

I peeked at prices on newegg, 2x2GB dimm kits are $430-$600 each, so 8GB
ram will cost between $860-$1200.


This whitepaper on 965 chipset memory technologies details the specifics

of whats supported and how the memory timings interact.
http://download.intel.com/design/chipsets/applnots/31320702.pdf


I see nothing about any degrading above 4GB, except that 2 x 2GB 
DDR2-800 is supported, while 4 x 2GB runs at DDR2-667 speeds...    I 
wonder if the previously discussed performance degrading on the Asus 
board was in reference to PAE required to allow 32bit OS's with > ~3GB
ram ?


Note this degrading the memory clock when you fully populate all the 
rows is not at all uncommon.  Many Opteron configurations have similar 
limitations.
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