User Guide
Mac Pro Take Apart — Memory (DIMMs) and Memory Riser Cards 20
DIMMs for Mac Pro must t these specications:
667 MHz, FB-DIMMs•
72-bit wide, 240-pin modules•
36 devices maximum per DIMM•
Error-correcting code (ECC)•
Memory from older Macintosh computers is not compatible with Mac Pro.
Important: For proper operation of Mac Pro computers, Apple recommends using only Apple-
approved Mac Pro FB-DIMMs. Refer to GSX for Apple FB-DIMMs service part numbers.
Tools
No tools are required for this procedure.
Preliminary Steps
Before you begin, open the computer, and lay it on its side with the access side facing up.
Warning: Always wait 5–10 minutes for the computer to cool down before you remove or install
memory. The DIMMs may be very hot.
Part Location