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Specific Northbridge IC must be used for PowerPC CPU. It is impossible to use Northbridge for Intel or AMD x86 CPU with PowerPC CPU. However it is possible to use certain types of x86 Southbridge in PowerPC based motherboards. Example: VIA 686B and AMD Geode CS5536. Apple UniNorth 2 AGP used in PowerPC 74xx Based Macs
A common example of a northbridge on a PowerPC platform is in Apple's older PowerPC-based computers like the iMac G5, which utilized an IBM CPC945 Northbridge chip. According to an Apple Developer note, The Power Mac G5's northbridge chip connected to a "Mid Bridge", which then connected to a south bridge. [9]
The PowerPC 970, PowerPC 970FX, and PowerPC 970MP are 64-bit PowerPC CPUs from IBM introduced in 2002. Apple branded the 970 as PowerPC G5 for its Power Mac G5 . Having created the PowerPC architecture in the early 1990s via the AIM alliance , the 970 family was created through a further collaboration between IBM and Apple .
Different software is used by different motherboards. There are also third-party programs that work on a variety of motherboards and allow wide customization of fan behavior depending on temperature readings from the motherboard, CPU, and GPU sensors, as well as allowing manual control. Two such programs are SpeedFan [11] and Argus Monitor. [12]
The specification for Power ISA v.2.03 [7] is based on the former PowerPC ISA v.2.02 [8] in POWER5+ and the Book E [9] extension of the PowerPC specification. The Book I included five new chapters regarding auxiliary processing units like DSPs and the AltiVec extension. Compliant cores. Freescale PowerPC e200, e500
The PowerPC 7xx is a family of third generation 32-bit PowerPC microprocessors designed and manufactured by IBM and Motorola (spun off as Freescale Semiconductor bought by NXP Semiconductors). This family is called the PowerPC G3 by Apple Computer (later Apple Inc. ), which introduced it on November 10, 1997.
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The PowerPC 400 family is a line of 32-bit embedded RISC processor cores based on the PowerPC or Power ISA instruction set architectures.The cores are designed to fit inside specialized applications ranging from system-on-a-chip (SoC) microcontrollers, network appliances, application-specific integrated circuits (ASICs) and field-programmable gate arrays (FPGAs) to set-top boxes, storage ...