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Date |
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Performance Overview
(HTML)
(PDF)
Introduces the factors that determine performance.
|
Performance |
Guides |
2006-10-03
|
Power adapter Sensing for the 17" PowerBook
(HTML)
( )
QA1266: Details Design and detection considerations for 17-inch PowerBook power adapters
|
Apple Hardware, Performance |
Technical Q&As |
2003-06-12
|
|
Power Mac G5 -- Single Processor Developer Note
(HTML)
(PDF)
Specifies the internal design, I/O features, and expansion capabilities of the single processor Power Mac G5 introduced October 2004.
|
Apple Hardware |
Guides |
2004-10-19
|
|
Power Mac G5 Developer Note
(HTML)
Specifies the internal design, I/O features, and expansion capabilities of the Power Mac G5 introduced in October 2005.
|
Apple Hardware |
Guides |
2007-03-06
|
|
Power Mac G5 Developer Note
(HTML)
(PDF)
Specifies the internal design, I/O features, and expansion capabilities of the Power Mac G5 introduced in April 2005.
|
Apple Hardware |
Guides |
2005-04-29
|
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Power Management for Macintosh; getting started
(HTML)
()
TN2075: Outlines available documentation and its location for power management on Mac OS X and OS 9.
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PCI and PC Card |
Technical Notes |
2003-05-30
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Power Management; Policy Maker vs. Power Controller
(HTML)
()
QA1121: Describes the differences between a Power Management Policy Maker and a Power Management Power Controller.
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AirPort/802.11, Apple Hardware, ATA, Audio, Bluetooth, Ethernet, Fibre Channel, FireWire, Human Interface Device & Force Feedback, Networking, PCI and PC Card, Printing, Scanners, SCSI, Serial, Still Cameras, Storage, USB |
Technical Q&As |
2002-02-13
|
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Power Manager 2.0
(HTML)
()
TN1190: Describes the Macintosh Power Manager 2.0.
|
Apple Hardware |
Technical Notes |
2000-08-14
|
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PowerMac G4
(HTML)
(PDF)
Specifies the internal design, I/O features, and expansion capabilities of the PowerMac G4 introduced in January 2003.
|
Apple Hardware |
Guides |
2008-02-20
|
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PowerPC G5 Performance Primer
(HTML)
()
TN2087: Offers a high-level overview of how to maximize performance on G5 Macs.
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Performance |
Technical Notes |
2003-09-03
|
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PrepareMemoryForIO in the NewWorld
(HTML)
DV33: Explains the correct use of PrepareMemoryForIO on DMA buffers when writing a device driver for DMA software.
|
Apple Hardware |
Technical Q&As |
1998-12-07
|
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Programmatically causing restart, shutdown and/or logout
(HTML)
()
QA1134: Describes how to programmatically cause restart, shutdown, sleep or logout.
|
Apple Hardware |
Technical Q&As |
2008-09-24
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Quartz Display Services Reference
(HTML)
(PDF)
Describes the interface for configuring and controlling display hardware.
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Graphics & Imaging |
Reference |
2008-11-19
|
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RAM Expansion Developer Note
(HTML)
Details requirements of RAM modules for use in Mac computers.
|
Apple Hardware |
Guides |
2008-04-28
|
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Reducing the size of Physical Memory in Open Firmware
(HTML)
QA1099: Describes how to configure the Power Macintosh so less memory is recognized than is actually present.
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Apple Hardware |
Technical Q&As |
2001-12-20
|
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Registering a Bonjour service multiple times
(HTML)
QA1311: Explains why registering the same Bonjour service twice on the same machine doesn't cause a name conflict.
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Bonjour, Networking |
Technical Q&As |
2003-10-23
|
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Resetting NVRAM to factory defaults
(HTML)
QA1103: Describes what happens when you boot holding the Command-Option-P-R keys.
|
Apple Hardware, Performance |
Technical Q&As |
2001-12-21
|
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Retain Counts of io_object_t Objects in IOKit.framework
(HTML)
()
QA1195: Distinguishes between the retain counts of an I/O Kit kernel object and its io_object_t user space proxy.
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Audio, FireWire, Human Interface Device & Force Feedback, Printing, Scanners, SCSI, Still Cameras, Storage, USB |
Technical Q&As |
2008-09-24
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Running files from a hard drive in Open Firmware
(HTML)
TN2001: Demonstrates editing, saving, and retrieving Open Firmware commands to a file on a Macintosh hard drive.
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Open Firmware, PCI and PC Card |
Technical Notes |
2000-09-22
|
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SampleFilterScheme
(HTML)
(DMG)
(ZIP)
Demonstrates a simple filter scheme which passes all operations through to its provider unchanged.
|
Mac OS X Server, Storage |
Sample Code |
2006-01-03
|
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SampleUSBAudioPlugin
(HTML)
(DMG)
(ZIP)
USB audio plugin that performs a lowpass filtering operation on audio streamed through an audio USB Device.
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Audio, USB |
Sample Code |
2005-03-07
|
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SCSI Architecture Model Device Interface Guide
(HTML)
(PDF)
Explains how to develop applications that communicate with or control SCSI Architecture Model devices.
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SCSI |
Guides |
2007-02-08
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A SCSI little secret
(HTML)
HW81: Details what to expect when accessing the motherboard SCSI bus on the Blue & White G3.
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Apple Hardware, Performance, SCSI, Storage |
Technical Q&As |
1999-12-20
|
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SCSIHBAEmulator
(HTML)
(DMG)
(ZIP)
Demonstration of how to implement a virtual parallel tasking SCSI host bus adapter (HBA)
|
SCSI, Storage |
Sample Code |
2007-02-20
|
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SCSIOldAndNew
(HTML)
(DMG)
(ZIP)
Demonstrates a backward-compatible technique for communicating with SCSI parallel devices on Mac OS X.
|
Fibre Channel, Printing, Scanners, SCSI, Still Cameras, Storage |
Sample Code |
2006-12-07
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SDRAM Problems With Self-Powered USB Devices
(HTML)
()
HW82: Alerts that non-compliant, self-powered USB devices plugged into a G4, can cause problems with low-voltage-sensitive SDRAM .
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Apple Hardware, Human Interface Device & Force Feedback, Performance, Storage, USB |
Technical Q&As |
2003-08-21
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SDRAM, CAS Latency for the
(HTML)
QA1071: Describes the supported CAS Latency values for the "QuickSilver", PowerMac G4 CPUs.
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Apple Hardware, Performance |
Technical Q&As |
2001-09-13
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Secrets of the GPT
(HTML)
TN2166: Describes the new partition map format used by Intel-based Macintosh computers.
|
Storage |
Technical Notes |
2006-11-06
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Sending SCSI or ATA commands to storage devices
(HTML)
()
QA1179: Explains that Mac OS X does not implement SCSI or ATA pass-through for many mass storage devices.
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Fibre Channel, FireWire, Scanners, SCSI, Storage, USB |
Technical Q&As |
2005-05-10
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Sequence Grabber - Determining the capture resolution of an IIDC device
(HTML)
QA1403: Discusses how to determine the resolution of a captured image from an IIDC device
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QuickTime |
Technical Q&As |
2005-01-06
|
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Serial API Choice
(HTML)
DV39: Discusses the choice of serial APIs supported by traditional Mac OS and Mac OS X.
|
Serial |
Technical Q&As |
2001-07-02
|
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SerialPortSample
(HTML)
(DMG)
(ZIP)
Demonstrates how to do serial I/O on Mac OS X.
|
Serial |
Sample Code |
2005-08-16
|
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SetMouseAcclSample
(HTML)
(DMG)
(ZIP)
Find HID System Manager and get/set cursor acceleration
|
Human Interface Device & Force Feedback |
Sample Code |
2006-11-28
|
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simpleAVC
(HTML)
(DMG)
(ZIP)
Shows how to discover and send commands to AVC devices connected by FireWire.
|
FireWire |
Sample Code |
2003-01-14
|
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SimplePlayThru
(HTML)
(DMG)
(ZIP)
Use the HAL's Audio Output Unit (AUHAL) for device input and output on a single device (play-thru)
|
Audio |
Sample Code |
2006-10-25
|
|
SimpleUserClient
(HTML)
(DMG)
(ZIP)
Shows how to create a user client for an I/O Kit kernel driver.
|
ATA, Audio, Fibre Channel, PCI and PC Card, SCSI, Storage |
Sample Code |
2008-08-27
|
|
SimpleVideoOut
(HTML)
(DMG)
(ZIP)
Demonstrates how QuickTime Video Output Components can be used to play video out to hardware.
|
QuickTime |
Sample Code |
2005-08-10
|
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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
|
Apple Hardware, PCI and PC Card, Performance |
Technical Q&As |
2003-10-09
|
|
SMARTQuery
(HTML)
(DMG)
(ZIP)
Demonstration of how to access and use S.M.A.R.T. disk monitoring functionality
|
Apple Hardware, ATA, Storage |
Sample Code |
2007-05-30
|
|
Specifiying if the CPU or the GPU should be used for rendering.
(HTML)
QA1416: Which processor will be used for rendering in Core Image and how to affect it.
|
Graphics & Imaging |
Technical Q&As |
2005-08-16
|
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The state of mDNSResponder
(HTML)
QA1339: Explains how to obtain information regarding the internal state of mDNSResponder.
|
Bonjour, Networking |
Technical Q&As |
2006-10-03
|
|
Stopping Forth command scrolls
(HTML)
()
HW57: Describes how to limit Forth commands from scrolling off the screen.
|
Apple Hardware, Performance |
Technical Q&As |
1999-03-29
|
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Switching between one and two machine mode for the Open Firmware user interface
(HTML)
()
HW37: Explains how to change from one machine mode to two in the Open Firmware user interface.
|
Open Firmware |
Technical Q&As |
1999-02-15
|
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T_DATA_REQ vs M_DATA TPI Message Blocks
(HTML)
()
NW42: Explains why OT passes data to a TPI module using M_DATA message blocks instead of M_PROTO+T_DATA_REQ.
|
Networking |
Technical Q&As |
1996-10-25
|
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TCP/IP Option Sizes
(HTML)
()
NW62: Enumerates the TCP/IP options and their sizes for Open Transport.
|
Networking |
Technical Q&As |
1999-04-26
|
|
tcplognke
(HTML)
(DMG)
(ZIP)
Demonstrates a TCP socket filter based on supported Kernel Programming Interfaces for Tiger
|
Networking |
Sample Code |
2006-11-27
|
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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
|
Apple Hardware |
Technical Notes |
2006-11-10
|
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Tips on USB driver matching for Mac OS X
(HTML)
QA1076: Gives some tips on getting USB driver matching to work.
|
USB |
Technical Q&As |
2008-08-14
|
|
Understanding and Debugging Kernel Panics
(HTML)
()
TN2063: Addresses kernel panics: what they are and how to debug the code that caused the panic.
|
AirPort/802.11, ATA, Audio, Ethernet, FireWire, Networking, PCI and PC Card, SCSI, Serial, Storage, USB |
Technical Notes |
2008-08-14
|
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Uniquely Identifying a Macintosh Computer
(HTML)
()
TN1103: How to identify a specific Macintosh computer.
|
Security |
Technical Notes |
2006-04-25
|
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Universal Serial Bus Developer Note
(HTML)
Provides an overview of Universal Serial Bus (USB) and describes support for it on Mac computers.
|
USB |
Guides |
2008-04-28
|
|
USB Device Interface Guide
(HTML)
(PDF)
Provides background information and sample code for developing applications to communicate with or control USB devices and interfaces.
|
USB |
Guides |
2007-09-04
|
|
USBPrivateDataSample
(HTML)
(DMG)
(ZIP)
Demonstrates notifications when a USB device is hotplugged and associating arbitrary data with each device.
|
Audio, Fibre Channel, FireWire, Human Interface Device & Force Feedback, Printing, Scanners, SCSI, Serial, Still Cameras, Storage, USB |
Sample Code |
2006-10-16
|
|
Use the Doorbell
(HTML)
()
Deprecated - FW01: Explains the function of the FireWire Serial Bus Protocol 2 (SBP2) doorbell.
|
FireWire |
Technical Q&As |
1999-05-17
|
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User-Mode USB Device Arbitration
(HTML)
Information about using USB device arbitration, available in Mac OS X version 10.1 and later.
|
USB |
Guides |
2002-02-06
|
|
Using "words" in Open Firmware
(HTML)
HW73: Explains how to search for specific entries within all the global and local Open Firmware words.
|
Open Firmware, PCI and PC Card |
Technical Q&As |
1999-10-11
|
|
Using AudioDeviceRead in Mac OS 10.4
(HTML)
TN2113: How to use AudioBufferLists with AudioDeviceRead in Tiger and beyond.
|
Audio |
Technical Notes |
2006-11-29
|
|
VendorSpecificType00
(HTML)
(DMG)
(ZIP)
Demonstrates how to access vendor-specific storage device functionality using a simple interface from user space code.
|
Fibre Channel, FireWire, SCSI, Storage, USB |
Sample Code |
2006-10-02
|
|
Video capture with multiple IIDC cameras
(HTML)
QA1365: Discusses factors which influence the number of IIDC cameras that can simultaniously be used for capture.
|
FireWire |
Technical Q&As |
2008-08-08
|
|
Video Developer Note
(HTML)
Details video capabilities of Mac computers.
|
Graphics & Imaging |
Guides |
2008-04-28
|
|
Video Hardware Info
(HTML)
(DMG)
(ZIP)
Sample demonstrates how to query the video hardware for useful information.
|
PCI and PC Card |
Sample Code |
2004-02-12
|
|
VolumeToBSDNode
(HTML)
(DMG)
(ZIP)
Shows how to iterate across all mounted volumes and retrieve their BSD node names.
|
Storage |
Sample Code |
2006-10-16
|
|
Was that a path I just saw?
(HTML)
HW101: Describes the Open Firmware path that is occasionally shown at boot time.
|
Open Firmware, PCI and PC Card |
Technical Q&As |
2000-10-06
|
|
What are configuration variables in Open Firmware?
(HTML)
()
HW38: Defines the configuration variables in Open Firmware.
|
AirPort/802.11, Apple Hardware, Audio, Ethernet, Fibre Channel, FireWire, Mac OS X Server, Networking, PCI and PC Card, QuickTime, Scanners, SCSI, Serial, Still Cameras, Storage, USB |
Technical Q&As |
1999-02-15
|
|
What are generic names in Open Firmware?
(HTML)
()
HW34: Documents the generic names in Open Firmware.
|
Open Firmware, PCI and PC Card |
Technical Q&As |
1999-02-15
|
|
What are snag keys in Open Firmware?
(HTML)
()
HW35: Explains Open Firmware snag keys, including examples of their function.
|
Apple Hardware, FireWire, Networking, Storage, USB |
Technical Q&As |
1999-02-15
|
|
What is a CardBus host bus adapter HBA?
(HTML)
HW79: Explains what a CardBus host bus adapter (HBA) is and discusses its implementation on the Macintosh.
|
PCI and PC Card |
Technical Q&As |
1999-11-15
|
|
What is a tokenizer?
(HTML)
()
HW58: Defines a tokenizer.
|
Open Firmware, PCI and PC Card |
Technical Q&As |
1999-03-29
|
|
What is an Open Firmware devalias?
(HTML)
HW99: Describes devaliases in Open Firmware.
|
Open Firmware, PCI and PC Card |
Technical Q&As |
2000-10-06
|
|
What is an Open Firmware phandle, and why can't I access it from the Mac OS?
(HTML)
HW76: Explains an "Open Firmware phandle" and why it is inaccessible from the Mac OS.
|
Open Firmware, PCI and PC Card |
Technical Q&As |
1999-11-15
|
|
What is meant by 1 machine mode vs. 2 machine mode with respect to Open Firmware?
(HTML)
()
HW36: Documents 1 machine mode vs. 2 machine mode in Open Firmware.
|
Apple Hardware |
Technical Q&As |
1999-02-15
|
|
What is the return stack in Open Firmware and can I use it?
(HTML)
HW67: Describes the purpose of the Open Firmware return stack and how developers can use it.
|
Open Firmware, PCI and PC Card |
Technical Q&As |
1999-10-11
|
|
What is the word "see" and how do I use it to help me find what a word does?
(HTML)
HW72: Explains the function and use of the Open Firmware word "see".
|
Apple Hardware, Performance |
Technical Q&As |
1999-10-11
|
|
What is unsolicited status?
(HTML)
()
FW03: Explains the meaning and usage of the SBP-2 unsolicited status message.
|
FireWire |
Technical Q&As |
1999-05-17
|
|
When to use PCMCIA, PC Card, and CardBus
(HTML)
HW77: Explains the differences between PCMCIA, PC Card, and CardBus.
|
PCI and PC Card |
Technical Q&As |
1999-11-15
|
|
Which Machines Support Driver Services Library and the MP Nanokernel?
(HTML)
()
HW63: Lists the systems that do and don't support the Driver Services Library and the MP Nanokernel.
|
Apple Hardware, Performance, Storage |
Technical Q&As |
1999-07-12
|
|
Why does logging keep my Printer Module from working?
(HTML)
()
Deprecated - QA1182: Describes some problems with standard printf logging in a Printer Module on Jaguar.
|
Printing |
Technical Q&As |
2002-11-06
|
|
Why don't all of my PDE localizations show up in all applications?
(HTML)
()
QA1185: Explains why some PDE localizations might not appear in all applications.
|
Printing |
Technical Q&As |
2002-10-16
|
|
Workaround for Asynchronous SCSIAction Crashes
(HTML)
()
Deprecated - QA1129: Explains how to workaround asynchronous SCSIAction crashes on Mac OS X.
|
SCSI |
Technical Q&As |
2002-03-21
|
|
Working with Configuration Variables
(HTML)
()
QA1119: Explains how to delete a specific Open Firmware configuration variable without using Command-Option-P-R.
|
Apple Hardware, PCI and PC Card |
Technical Q&As |
2002-02-13
|
|
Writing PCI Drivers
(HTML)
(PDF)
Conceptual information about writing I/O Kit drivers for PCI, AGP, and CardBus (PC Card) devices.
|
PCI and PC Card |
Guides |
2006-04-04
|
|
Xserve Developer Note
(HTML)
Specifies the internal design, I/O features, and expansion capabilities of the 4-core and 8-core Xserve introduced in January 2008.
|
Apple Hardware |
Guides |
2008-02-08
|
|
Xserve Developer Note
(HTML)
|
Apple Hardware |
Guides |
2007-01-12
|
|
Xserve G5 Developer Note
(HTML)
(PDF)
Specifies the internal design, I/O features, and expansion capabilities of the Xserve G5 computer introduced in January 2005.
|
Apple Hardware |
Guides |
2008-02-21
|
|
Xserve G5 PCI Hardware RAID Card
(PDF)
Explains how to install the card in an Xserve G5 and how to set up a RAID volume.
|
Apple Hardware, Storage |
Guides |
2005-01-03
|
|
Xserve G5 Quick Start
(PDF)
Explains where to find information for installing, setting up, using, and monitoring Xserve G5 systems.
|
Apple Hardware |
Guides |
2005-01-03
|
|
Xserve G5 Using the Hardware RAID PCI Card
(PDF)
Explains how to use the software provided with the Hardware RAID PCI Card to configure and manage RAID operations.
|
Apple Hardware, Storage |
Guides |
2005-01-03
|
|
Xserve G5 Using Xserve Remote Diagnostics
(PDF)
Explains how to use the Xserve Remote Diagnostics tool to test server hardware.
|
Apple Hardware |
Guides |
2005-01-03
|
|
Xserve RAID User's Guide
(PDF)
Explains how to install the Xserve RAID system, connect it to a host system, and configure RAID storage.
|
Apple Hardware, Storage |
Guides |
2005-01-03
|
|
Xserve User's Guide
(PDF)
Explains how to install, operate, and update Xserve systems. Includes expansion and hardware specifications.
|
Apple Hardware |
Guides |
2008-06-09
|
