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Appendix
A Specifications
Processor and Memory Specifications
Processor
 PowerPC processor with 512 kilobytes (KB) of on-chip L2 cache per processor
Random-access memory (RAM)
 Double-Data-Rate (DDR) synchronous dynamic random-access memory (SDRAM)
 All DDR SDRAM supplied in removable dual inline memory modules (DIMMs)
 DIMMs installed in pairs of equal size
 Four or eight DIMM slots available for 400 MHz, PC 3200 DDR SDRAM, depending on
your computer model
256 MB DIMMs must have 128 or 256 megabit (Mbit) technology devices;
512 MB DIMMs must have 256 Mbit technology devices; and 1 GB DIMMs
must have 512 Mbit technology devices.
 2.5 volt (V) unbuffered
 184-pin
 No error-correcting codes (NECC)
 Nonparity
System Profiler, located in Applications/Utilities, provides information about your
computer, including the amount of memory.
Graphics Controller
 AGP 8X Pro graphics card with two Digital Visual Interface (DVI) connectors. AGP 3.0
or AGP Pro compliant.
Video Display Modes
For technical specifications for your display:
 Apple displays: Go to the Apple website and check the specifications for your product
at www.apple.com/displays.
 Non-Apple displays: Go to www.apple.com/guide.
LL3218Q87.book Page 79 Wednesday, March 16, 2005 6:28 PM