073-1246 Rev. B 2
© 2009 Apple Inc. All rights reserved.
Memory
Conguration
DIMMs reside on the
computer’s processor
board, which is laid out
in two congurations.
Check the illustrations on
this page to determine if
you have a quad-core or
8-core conguration.
Specications
DIMMs for your
computer must t these
specications:
PC3-8500,1066 •
MHz, DDR3 SDRAM
UDIMMs
72-bit wide, 240-pin •
modules
18 memory ICs •
maximum per UDIMM
Error-correcting code •
(ECC)
Note: Memory from older
Apple computers is not
compatible with your
computer.
Quad-Core Conguration
8-Core Conguration
