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Affinity API Release Notes for Mac OS X v10.5
(HTML)
Explains how to influence which CPU core runs a group of threads (for performance optimization).
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Release Notes |
2007-10-31
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ANSI SCSI Standards
(HTML)
Deprecated - DV03: Describes past Macintosh systems that did not fully support the ANSI SCSI-1 standard.
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Technical Q&As |
1995-07-01
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BSDLLCTest
(HTML)
(DMG)
(ZIP)
Program sample demonstrates how to send and receive raw LLC Ethernet packets.
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Sample Code |
2003-06-12
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Determining Open Firmware configuration variables
(HTML)
( )
HW56: Discusses how to determine the Open Firmware variables on a system.
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Technical Q&As |
1999-03-29
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Disabling a Processor on a Multiprocessor System
(HTML)
()
QA1141: Describes how to disable a processor on a multiprocessor system for testing purposes.
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Technical Q&As |
2002-05-22
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dist_fft
(HTML)
(DMG)
(ZIP)
Gigaelement FFTs on Apple G5 clusters
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Sample Code |
2004-08-23
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I/O Kit Fundamentals
(HTML)
(PDF)
The basics of developing device drivers. Includes descriptions of I/O Kit families.
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Guides |
2007-05-17
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Is the Open Firmware device tree object oriented?
(HTML)
HW80: Discusses the object-oriented attributes of the Open Firmware device tree.
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Technical Q&As |
1999-11-15
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Memory Usage Performance Guidelines
(HTML)
(PDF)
Guidelines for improving the performance of memory-related code.
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Guides |
2006-06-28
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Optimization Strategies for Mac OS X
(HTML)
TN1174: Achieving the best possible performance in your applications.
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Technical Notes |
1999-09-01
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OTScheduleDeferredTask When Task Running
(HTML)
()
NW52: Describes what happens when you use OTScheduleDefferedTask to schedule a task that is running.
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Technical Q&As |
1997-10-13
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The "packages" node in the device tree
(HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
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Technical Q&As |
2006-02-22
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PCI Type 1 Cycles
(HTML)
HW26: Describes the circumstances when the PowerMac generates a Configuration Type 1 command.
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Technical Q&As |
1995-07-15
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Sample code for allocating an amount of dictionary space
(HTML)
HW71: Discusses the allocation and the setting of memory for Dictionary space in Open Firmware.
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Technical Q&As |
1999-10-11
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Sleep vs. Doze on Mac OS X
(HTML)
QA1309: Discusses and demonstrates sleep versus doze detection on Machintosh Mac OS X
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Technical Q&As |
2003-10-09
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Thermal considerations for Mac Pro FB-DIMMs
(HTML)
TN2156: Design considerations and specifications for the AMB and Heat spreader for the Mac Pro
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Technical Notes |
2006-11-10
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VelEng FFT
(HTML)
(DMG)
(ZIP)
G4 Velocity Engine implementation of Fast Fourier Transform (FFT) and associated convolution/correlation routines.
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Sample Code |
2003-01-14
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What is the "dump" word and how do I use it?
(HTML)
HW68: Describes the function of the Open Firmware word "dump" and how it can be used.
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Technical Q&As |
1999-10-11
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What numeric base is the default for the Open Firmware user interface?
(HTML)
HW65: Describes how the default numeric base used by the Open Firmware user interface is hexadecimal.
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Technical Q&As |
1999-10-11
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Why did the name of the PCI bridge change?
(HTML)
()
HW59: Explains the name change of the PCI bridge to the generic name "pci" in Open Firmware.
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Technical Q&As |
1999-03-29
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