Apple Power Mac G5 User Manual download pdf (Page 34)

Technical Specifications

Processing

• 1.6GHz, dual 1.8GHz, or dual 2GHz PowerPC G5 microprocessors

• PowerPC processor architecture with 64-bit data paths and registers

• Native support for 32-bit application code

• 512K on-chip L2 cache running at processor speed

• Parallel data structure supporting up to 215 simultaneous in-flight instructions

• Simultaneous issue of up to 10 out-of-order operations

• Dual-pipeline Velocity Engine for 128-bit single-instruction, multiple-data

(SIMD) processing

• Two independent double-precision floating-point units

• Advanced three-component branch prediction logic

• 800MHz, 900MHz, or 1GHz 64-bit DDR frontside bus supporting up to 8-GBps

data throughput; one on each processor in dual processor systems

• Point-to-point system controller

Memory

• 128-bit data paths for up to 6.4-GBps memory throughput

• 1.6GHz systems:

– 256MB of PC2700 (333MHz) DDR SDRAM

– Four DIMM slots supporting up to 4GB of main memory

• 1.8GHz systems and 2GHz systems:

– 512MB of PC3200 (400MHz) DDR SDRAM

– Eight DIMM slots supporting up to 8GB of main memory

• Support for the following DIMMs (in pairs):

– 128MB DIMMs (64-bit-wide, 128- or 256-Mbit)

– 256MB DIMMs (64-bit-wide, 128- or 256-Mbit)

– 512MB DIMMs (64-bit-wide, 256-Mbit)

– 1GB DIMMs (64-bit-wide, 256-Mbit)

Graphics and displays

• AGP 8X Pro graphics slot supporting up to 2-GBps data throughput, with one of

the following graphics cards installed:

– NVIDIA GeForce FX 5200 Ultra with 64MB of DDR SDRAM

– ATI Radeon 9600 Pro with 64MB of DDR SDRAM

– ATI Radeon 9800 Pro with 128MB of DDR SDRAM (build-to-order option)

• Support for digital resolutions up to 1920 by 1200 pixels

• Support for analog resolutions up to 1600 by 1200 pixels

• ADC and DVI connectors; DVI to VGA adapter included

• Dual display support for extended desktop and video mirroring modes

• Support for up to two Apple flat-panel displays

Technology and

Performance Overview

Power Mac G5

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Apple Power Mac G5 User Manual Page 34