[yakdome]

Hi,
I purchased 4 1GB DDR400 DIMMS and once installed I get a POST message indicating a memory mismatch and that DIMM 1 on Channel A should match that on Channel B, same for DIMM 0. I matched each DIMM and my bios reports them all as 1GB DDR 400's. I have updated the bios as well. Any ideas?

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I presume you've made sure the cards are all secure in their slots.

[James105]

I presume you've made sure the cards are all secure in their slots.

[happyrock]

if you have the latest bios already installed and that didn't help...
are you sure they are all matched sets...
did you buy them as matched sets or just 4 individual sticks...

[yakdome]

Hi,
I have reseated them several times. They were purchased in pairs - one pair in slot 0 and one pair in slot 1 on each channel. I also removed the AGP Radeon 9600 after reading a possible conflict may occur (to no avail). Bios and all drivers are current. Interesting part is I do not always get the mismatched memory message.

[happyrock]

are both sets from the same manufacture...the same speed...the same CL rating
try removing 1 pair completely...

Edited by happyrock, 15 January 2009 - 07:52 AM.

[yakdome]

They were purchased in pairs from the same supplier and they look the same I split the pairs between channel A & B slots 0 & 1. From my system info I get the following info:
J5G1 1024mb 266ns
J5G2, J5H1, and J5H2 are same.

Not sure what else to try though.

[happyrock]

whats the make and model of your motherboard...
try removing 2 sticks ...leave the sticks remaining (side by side) in the 2 slots closest to the cpu ...
what is the make and model number of the sticks of ram...should be on the bill or receipt