Note: This technology developer note describes details of Apple’s support for memory in Macintosh computers. Previously, information of this type was published in Apple's product developer notes (specific to particular Macintosh computers). For implementation details for Macintosh computers introduced before October of 2005, see the product developer note for that computer.
Every Macintosh computer currently shipping allows for increasing memory by installing one or more RAM modules. To ensure proper performance, reliability, and compatibility, such RAM modules must include certain features and must comply with industry standards, as described in this document.
Developers who are designing RAM devices for Macintosh computers will find this document useful.
This document contains the following articles:
“RAM Expansion Concepts” presents the key concepts you need to ensure that your RAM device is compatible with Macintosh computers.
“RAM Expansion Product-Specific Details” provides details specific to RAM expansion for particular Macintosh computers.
For specific information about a particular Macintosh computer, see the product Developer Note for that computer in the Guides > Hardware & Drivers > Apple Hardware.
For a list of the standard units of measure and abbreviations used in this developer note, refer to the Hardware Developer Note Terms and Abbreviations.
Last updated: 2008-04-28
