RAM config on early MacPro

[mschafft1]

Hi everyone,

I've just added 2x2Go of RAM to my 1.1 Mac Pro.

As you can see in the pciture, I've put all modules in pairs.
Can I improve performance by changing their order ?

Thanks

Manny

 

[flatfoot]

Hi everyone,

I've just added 2x2Go of RAM to my 1.1 Mac Pro.

As you can see in the pciture, I've put all modules in pairs.
Can I improve performance by changing their order ?

Thanks

Manny

IIRC you get the best performance when you put the biggest DIMMs into socket 1 and 2 of each riser card. In your case, swap the 1GB modules from riser A, socket 3 and 4 with the 512MB modules in riser B, socket 1 and 2.

 

[Umbongo]

flatfoot is correct

 

[crayz]

I have a question similar to this one. sorry to jack.

I have just installed 2 gb of ram into my early 2008 mac pro.

The new ram was not recognised in slot 2. But work in Slot 3.

So now i have 1gb x 2 in slot 1. and 1 gb x 2 in slot 3.

Will this effect speed in anyway if they are not placed in sequentially?

The weird thing is . when i tried the new ram on its own in slots 1. one of the sticks shown a red light. but now they are both working in slot 3. Is this a common thing? is it worth me trying them again in slot 2?

All good things

Craig

this is it in the current set up.

 

[Umbongo]

I have a question similar to this one. sorry to jack.

Should be in slots 1&2 on each riser.

 

[mschafft1]

Thanks a lot !