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User’s Manual
IBM PowerPC 750GX and 750GL RISC Microprocessor
gx_preface.fm.(1.2)
March 27, 2006
Page 19 of 377
About This Manual
This user’s manual defines the functionality of the PowerPC
®
750GX and 750GL RISC microprocessors. It
describes features of the 750GX and 750GL that are not defined by the architecture. This book is intended as
a companion to the PowerPC Microprocessor Family: The Programming Environments (referred to as The
Programming Environments Manual).
Note: Soft copies of the latest version of this manual and documents referred to in this manual that are pro-
duced by IBM can be accessed on the world wide web as follows: http://www-3.ibm.com/chips/techlib.
Note: All information contained in this document referring to the PowerPC 750GX RISC Microprocessor also
pertains to the IBM PowerPC 750GL RISC Microprocessor.
Who Should Read This Manual
This manual is intended for system software developers, hardware developers, and applications program-
mers designing products for the 750GX. Readers should understand operating systems, microprocessor
system design, basic principles of RISC processing, and details of the PowerPC Architecture™.
Related Publications
PowerPC Architecture
• May, Cathy, et. al., eds. The PowerPC Architecture: A Specification for a New Family of RISC Proces-
sors, Second Edition. San Francisco, CA: Morgan-Kaufmann, 1994.
• McClanahan, Kip. PowerPC Programming for Intel Programmers. Foster City, CA: Hungry Minds, 1995.
• Shanley, Tom. PowerPC System Architecture, Second Edition. Richardson, TX: Addison-Wesley, 1995.
PowerPC Microprocessor Documentation
The latest version of this manual, errata, and other IBM documents referred to in this manual can be found at:
http://www.ibm.com/chips/techlib
.
• PowerPC 750GX RISC Microprocessor Datasheet. Provides data about bus timing, signal behavior, elec-
trical and thermal characteristics, and other design considerations for each PowerPC implementation.
• PowerPC Microprocessor Family: The Programming Environments Manual (G522-0290-01). Provides
information about resources defined by the PowerPC Architecture that are common to PowerPC proces-
sors.
• Implementation Variances Relative to Rev. 1 of The Programming Environments Manual.
• PowerPC Microprocessor Family: The Programmer’s Pocket Reference Guide (SA14-2093-00). This
foldout card provides an overview of the PowerPC registers, instructions, and exceptions for 32-bit imple-
mentations.
• PowerPC Microprocessor Family: The Programmer’s Reference Guide (MPRPPCPRG-01). Includes the
register summary, memory control model, exception vectors, and the PowerPC instruction set.
• Application notes. These short documents contain information about specific design issues useful to pro-
grammers and engineers working with PowerPC processors.