DDR memory and MB question

[Eagle17]

is it true that you need to use Registered DDR sticks to use more than 2 at a time? I know this is true somewhat on athlon boards but what about P4's?

 

[Boonesmi]

it depends on the board

if you read the roundup on anandtechs main page the abit kr7a is stable with all 4 dimms populated with ddr ram (unbuffered/non parity)

** they acutally tested how many sticks each board could hold and stay stable (most boards only have 3 dimms slots, and most of them could use all 3 at once, all of them are using unbuffered/non parity ram)

 

[Boonesmi]

i guess i could answer your question a little better basically it depends on the chipset, and how good of a job the motherboard manufac did with the timing of the dimms

here is a link to the article i was talking about