Intel D865PERL board won't run mem in Dual Channel mode

[SuperSix]

I just picked up a pair of Crucial Ballistics 512MB DDR500, and installed them in my PERL board, running a 3.06 HT @ 533MHz.

If I run them in dual channel mode @ 333, Windows acts really wierd, reboots as soon as I get to the desktop, bluescreens before the desktop, or simply locks up soon after getting to the desktop.

If I clock the mem back down to 266MHz, it runs fine in dual channel mode, and if I run them in single channel mode @ 333MHz, it works fine as well.

I have the latest BIOS, tried the modules in all different physical configurations - what gives?


Is it worth trying to get it to run in dual channel mode? Performance wise?

 

[SuperSix]

No one has ANY ideas??

 

[Peter]

Never, ever, assume that DIMMs are OK, even when fresh out of the box and from a renowned manufacturer. Test them, individually and together.

http://www.memtest.org

 

[SuperSix]

Originally posted by: Peter
Never, ever, assume that DIMMs are OK, even when fresh out of the box and from a renowned manufacturer. Test them, individually and together.

http://www.memtest.org

Thank you very much - I will beat the crap outta them tonight.

Would that casue them to only NOT run in Dual Channel mode? In single channel, they work just fine. <shrug>

 

[SuperSix]

After doing some testing, (Thanks Peter!), I got some failures, text from my memtest.org forum post below:

Hello - and let me start by thanking the powers that be for the great software!

I recently purchased 2 used Crucial Ballistix DDR500 512MB modules. I am using these in an Intel D865PERL motherboard, with an Intel 3.06GHz 533FSB CPU. These modules were no longer need by the previous owner, as he went to 4x 1GB Corsair CAS2 modules.

Basically, if I run them in dual channel mode, it blue screens. I ran Memtest v1.65 and could only get the modules to fail in dual channel mode. Tested seperately, the modules passed. I also noticed if I run them @ at DDR266 they work fine, I only have issues in dual channel mode @ DDR333 speeds. They also pass if I run them in single channel mode. Here's the failures I got:

Failed test 2 and 3. (different times, never failed 2 & 3 on the same test run)

Test 2 failure:
Failing address - 0003023c6b0
Good: FFFFFFFF
Bad: FFFFFF7F
Error bits: 000000080

Test 3 failure:
Failing address - 0003023c6b8 - 770.7MB
Good: dfdfdfdf
Bad: dfdfdf5f
Error bits: 000000080

The most consistant failure is test 2.

Do I have a bad motherboard or a bad module?

Thanks in advance!

 

[SuperSix]

HELP!!!!

 

[Steve]

I would try to eliminate the board as the problem by getting RAM that passes and see if it works as you like. If it does, you know what's bad.