Apple Xserve (Early 2008) User Manual download pdf (Page 34)

34 Chapter 2 Installing or Replacing Components

About Memory for the Xserve

You can use the following memory in the Xserve:

Â 800 MHz DDR2 ECC FB-DIMMs

Â 1 GB, 2 GB, or 4 GB in matching pairs (optimally, 4 or 8 identical DIMMs)

Â Error-correcting code (ECC)

Important: Apple recommends that you use Apple-approved FB-DIMMS. Other FB-

DIMMs might degrade the performance of the Xserve. DIMMs from older Xserve

systems are not compatible with this Xserve.

Note: Before you purchase DIMMs other than those recommended by Apple, make

sure that the memory manufacturer conforms to the Joint Electron Device Engineering

Council (JEDEC) specification. Make sure that the DIMMs support the correct timing

modes and that the Serial Presence Detect (SPD) feature has been implemented in

accordance with the JEDEC specification. To check DIMM compatibility, see the

Macintosh Products Guide on Apple’s website at www.apple.com/guide. You can

purchase Apple-approved memory online from the Apple Store at

www.apple.com/store.

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Apple Xserve (Early 2008) User Manual Page 34