Specifications

Power Mac G5 (Late 2004) Basics -

What’s New

Overview

Microprocessor:

The Power Mac G5 (Late 2004) computer has a single 1.8 GHz

PowerPC G5 processor.

Processor system bus:

The processor interface system bus runs at one-third the speed

of the system processor.

Memory bus:

The main memory bus is 128 bit 400 MHz.

System management unit:

Power Mac G5 (Late 2004) uses an advanced system

management unit (SMU) to manage thermal and wattage conditions, while keeping

acoustic noise to a minimum. The SMU replaces the PMU of previous Power Mac G5

models.

DDR SDRAM:

The computer has four DIMM slots for 184 pin DIMMs (dual inline memory

modules) using unbuffered DDR (double data rate) SDRAM 64-bit, 400 MHz (PC3200)

devices for a maximum of 4 GB.

Graphics card:

The computer comes standard with the Nvidia GeForce Fx 5200 Ultra

with 64 MB RAM. Available as conﬁgure-to-order (CTO) options are the ATI Radeon 9800

XT with 256 MB RAM, the ATI Radeon 9600 XT with 128 MB RAM, the Nvidia GeForce

6800 GT DDL with 256 MB RAM, and the Nvidia GeForce 6800 Ultra DDL with 256 MB

RAM.

PCI expansion slots:

The computer includes three 64-bit, 33 MHz PCI slots. PCI-X cards

are not supported.

Hard drives:

An internal 7200 rpm Serial ATA (SATA) hard drive occupies one of two drive

bays and functions as the default boot drive. A second SATA drive is available as a CTO

option. Power Mac G5 (Late 2004) comes standard with an 80 GB SATA hard drive, and

160 GB and 250 GB SATA drives are available as CTO options.