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albeik

macrumors regular
Original poster
MacPro10GB.png


MacPro10GBx.png


Bought these:
http://www.datamemorysystems.com/_memory-information/8GB_Kit_DDR2800_FBDIMMs_Apple_677-1x4.asp

The install took couple of minutes and followed these directions (I kept the stock 2x1GB):
http://eshop.macsales.com/Customize...=install_videos/macpro/macpro_quicksheet.html

No problems what so ever!

Just wanted to share with the community! 🙂
 
I just installed 2 *4GB of RAM from transintel, but the original Aplle RAM is not recognized (I moved them to the second slot)
Any ideas?
 
I just installed 2 *4GB of RAM from transintel, but the original Aplle RAM is not recognized (I moved them to the second slot)
Any ideas?

If you purchased 2 new modules,

Put the 2 x 4 GB into Riser A, slot 1 and slot 2

Put the 2 x Apple RAM into Riser B, slot 1 and slot 2
 
They are in the right slots, so probably not properly seated. I´m away from my MP for 10 days so I can´t check
 
MacPro10GB.png


MacPro10GBx.png


Bought these:
http://www.datamemorysystems.com/_memory-information/8GB_Kit_DDR2800_FBDIMMs_Apple_677-1x4.asp

The install took couple of minutes and followed these directions (I kept the stock 2x1GB):
http://eshop.macsales.com/Customize...=install_videos/macpro/macpro_quicksheet.html

No problems what so ever!

Just wanted to share with the community! 🙂

I think it would probably be better if you swap the DIMM 1&2 with 3&4
(Put the 2x2GB on top, 2x1GB on the bottom - of Riser A)

Ken
 

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I think it would probably be better if you swap the DIMM 1&2 with 3&4
(Put the 2x2GB on top, 2x1GB on the bottom - of Riser A)

Ken

Thanks Ken. What is the reasoning behind that? I am curious.

Having DIMM1/2 on both risers with the same memory would allow simpler/better memory allocation and increase speed (albeit a little)?
 
Thanks Ken. What is the reasoning behind that? I am curious.

Having DIMM1/2 on both risers with the same memory would allow simpler/better memory allocation and increase speed (albeit a little)?

It allows 256-bit access across the 4 x 2 GB modules if you put them in A1 A2 B1 B2 for a small speed boost.
 
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