Developer Documentation
   

RAM Expansion Modules

The iMac uses PC-100 compliant 168-pin SDRAM DIMMs. The mechanical characteristics of the DIMM are given in the JEDEC specification for the 168-pin 8-byte DRAM DIMM. The specification number is JEDEC MO-161; the specification is available from the Electronics Industry Association's web site, at

http://www.jedec.org/download/pub95/

The electrical characteristics of the DIMM are given in section 4.5.6 of the JEDEC Standard 21-C, release 7. The specification is available from the Electronics Industry Association's web site, at

http://www.jedec.org/download/pub21/

The RAM DIMMs are required to be the PC-100 compliant. The PC-100 specification is available from Intel's web site, at

http://developer.intel.com/technology/memory/pcsdram/spec


© 2000 Apple Computer, Inc. – (Last Updated 01 Aug 00)