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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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Performance |
Technical Q&As |
2001-09-13
|
|
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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Performance |
Technical Q&As |
2003-10-09
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Stopping Forth command scrolls
(HTML)
( )
HW57: Describes how to limit Forth commands from scrolling off the screen.
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Performance |
Technical Q&As |
1999-03-29
|
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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".
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Performance |
Technical Q&As |
1999-10-11
|
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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.
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Performance |
Technical Q&As |
1999-07-12
|
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Are the Name Registry device tree nodes unique?
(HTML)
Deprecated - HW64: Discusses whether Name Registry nodes copied from the Open Firmware device tree are unique.
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Printing |
Technical Q&As |
1999-10-11
|
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Checking for the Printer Driver
(HTML)
Deprecated - DV42: Describes a legacy Mac OS technique avoiding system hangs when using serial drivers on USB systems.
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Printing |
Technical Q&As |
2000-06-19
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Detecting low printer ink levels
(HTML)
TN2144: How to detect printer supply levels using a low ink tool
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Printing |
Technical Notes |
2005-06-29
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Generating a Non-Maskable Interrupt (NMI)
(HTML)
()
QA1264: Explains how to generate a non-maskable interrupt (NMI) on modern Macintosh systems.
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Printing |
Technical Q&As |
2008-10-13
|
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IODeviceTree and the I/O Registry
(HTML)
()
QA1120: Describes the IODeviceTree plane in the Mac OS X I/O Registry.
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Printing |
Technical Q&As |
2008-09-18
|
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IOKit Framework Headers
(HTML)
()
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
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Printing |
Technical Q&As |
2002-01-15
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New PPD keywords available in Mac OS X version 10.3
(HTML)
QA1352: Describes the new PPD keywords available for CUPS filters in Mac OS X 10.3.
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Printing |
Technical Q&As |
2004-05-26
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Obtaining 16 Bits-Per-Color Data with CUPS Raster Printing
(HTML)
TN2149: Obtaining 16 Bits-Per-Color Data with CUPS Raster Printing
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Printing |
Technical Notes |
2005-08-24
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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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Printing |
Technical Q&As |
2006-02-22
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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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Printing |
Technical Q&As |
2002-02-13
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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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Printing |
Technical Q&As |
2008-09-24
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SCSIOldAndNew
(HTML)
(DMG)
(ZIP)
Demonstrates a backward-compatible technique for communicating with SCSI parallel devices on Mac OS X.
|
Printing |
Sample Code |
2006-12-07
|
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USBPrivateDataSample
(HTML)
(DMG)
(ZIP)
Demonstrates notifications when a USB device is hotplugged and associating arbitrary data with each device.
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Printing |
Sample Code |
2006-10-16
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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.
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Printing |
Technical Q&As |
2002-11-06
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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.
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Printing |
Technical Q&As |
2002-10-16
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Available FireWire Isochronous Bandwidth
(HTML)
QA1356: Discusses attempting to "pre-flight" an isochronous bandwidth allocation request by reading the currently available bandwidth.
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QuickTime |
Technical Q&As |
2004-07-07
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Generating a Non-Maskable Interrupt (NMI)
(HTML)
()
QA1264: Explains how to generate a non-maskable interrupt (NMI) on modern Macintosh systems.
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QuickTime |
Technical Q&As |
2008-10-13
|
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Installing an I/O Kit KEXT Without Rebooting
(HTML)
QA1319: Describes the state of the art of installing I/O Kit kernel extensions (KEXTs) without requiring a restart.
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QuickTime |
Technical Q&As |
2003-10-28
|
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IOKit Framework Headers
(HTML)
()
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
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QuickTime |
Technical Q&As |
2002-01-15
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iSight - Configuring gain settings for IIDC cameras
(HTML)
QA1421: Discusses how to configure features of IIDC cameras, specifically gain for the iSight
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QuickTime |
Technical Q&As |
2005-04-06
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Legacy Devices
(HTML)
HW84: Discusses why legacy devices with hard-wired I/O addresses may not work properly with Open Firmware.
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QuickTime |
Technical Q&As |
2000-03-20
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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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QuickTime |
Technical Q&As |
2006-02-22
|
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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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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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What are configuration variables in Open Firmware?
(HTML)
()
HW38: Defines the configuration variables in Open Firmware.
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QuickTime |
Technical Q&As |
1999-02-15
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Allocating and sharing memory with user space from an I/O Kit driver
(HTML)
()
QA1197: Describes the preferred technique for allocating and sharing buffers in an I/O Kit kernel driver.
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Scanners |
Technical Q&As |
2008-10-13
|
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Generating a Non-Maskable Interrupt (NMI)
(HTML)
()
QA1264: Explains how to generate a non-maskable interrupt (NMI) on modern Macintosh systems.
|
Scanners |
Technical Q&As |
2008-10-13
|
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I/O Kit Framework Reference
(HTML)
Describes the I/O Kit classes that support non-kernel access to I/O Kit objects through the device-interface mechanism.
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Scanners |
Reference |
2009-03-04
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IODeviceTree and the I/O Registry
(HTML)
()
QA1120: Describes the IODeviceTree plane in the Mac OS X I/O Registry.
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Scanners |
Technical Q&As |
2008-09-18
|
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IOKit Framework Headers
(HTML)
()
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
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Scanners |
Technical Q&As |
2002-01-15
|
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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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Scanners |
Technical Q&As |
2006-02-22
|
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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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Scanners |
Technical Q&As |
2002-02-13
|
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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.
|
Scanners |
Technical Q&As |
2008-09-24
|
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SCSIOldAndNew
(HTML)
(DMG)
(ZIP)
Demonstrates a backward-compatible technique for communicating with SCSI parallel devices on Mac OS X.
|
Scanners |
Sample Code |
2006-12-07
|
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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.
|
Scanners |
Technical Q&As |
2005-05-10
|
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USBPrivateDataSample
(HTML)
(DMG)
(ZIP)
Demonstrates notifications when a USB device is hotplugged and associating arbitrary data with each device.
|
Scanners |
Sample Code |
2006-10-16
|
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What are configuration variables in Open Firmware?
(HTML)
()
HW38: Defines the configuration variables in Open Firmware.
|
Scanners |
Technical Q&As |
1999-02-15
|
|
Allocating and sharing memory with user space from an I/O Kit driver
(HTML)
()
QA1197: Describes the preferred technique for allocating and sharing buffers in an I/O Kit kernel driver.
|
SCSI |
Technical Q&As |
2008-10-13
|
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Building Universal I/O Kit Drivers
(HTML)
TN2163: How to build a universal I/O Kit kernel driver while avoiding common pitfalls.
|
SCSI |
Technical Notes |
2008-08-18
|
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CD-ROM Driver Calls
(HTML)
Deprecated - DV22: Discusses public interface to Apple CD-ROM driver and supersedes information in AppleCD SC Developer's Guide.
|
SCSI |
Technical Notes |
2000-08-14
|
|
CustomMediaIcons
(HTML)
(DMG)
(ZIP)
Providing custom media icons for storage
|
SCSI |
Sample Code |
2007-07-10
|
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Detecting a CD-ROM
(HTML)
()
DV18: Demonstrates CD-ROM drive detection.
|
SCSI |
Technical Q&As |
1997-01-31
|
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Disk Arbitration Framework Reference
(HTML)
Describes Disc Arbitration API, which includes information on mount/unmount notification and dissent.
|
SCSI |
Reference |
2008-04-08
|
|
The dreaded "incompatible flag -framework" error
(HTML)
QA1096: Explains how to eliminate the incompatible flag -framework error in Project Builder.
|
SCSI |
Technical Q&As |
2001-12-05
|
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Generating a Non-Maskable Interrupt (NMI)
(HTML)
()
QA1264: Explains how to generate a non-maskable interrupt (NMI) on modern Macintosh systems.
|
SCSI |
Technical Q&As |
2008-10-13
|
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Getting a List of Drivers & LUNs (logical unit numbers)
(HTML)
Deprecated - DV04: Describes a legacy Mac OS technique for obtaining a list of SCSI Parallel drivers, devices, and LUNs.
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SCSI |
Technical Q&As |
1995-07-01
|
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HBA Device Driver Programming Guide
(HTML)
(PDF)
Describes how to develop a high-performance, kernel-resident driver for an HBA device.
|
SCSI |
Guides |
2006-05-23
|
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I/O Kit Framework Reference
(HTML)
Describes the I/O Kit classes that support non-kernel access to I/O Kit objects through the device-interface mechanism.
|
SCSI |
Reference |
2009-03-04
|
|
Installing an I/O Kit KEXT Without Rebooting
(HTML)
QA1319: Describes the state of the art of installing I/O Kit kernel extensions (KEXTs) without requiring a restart.
|
SCSI |
Technical Q&As |
2003-10-28
|
|
IODeviceTree and the I/O Registry
(HTML)
()
QA1120: Describes the IODeviceTree plane in the Mac OS X I/O Registry.
|
SCSI |
Technical Q&As |
2008-09-18
|
|
IOKit Framework Headers
(HTML)
()
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
|
SCSI |
Technical Q&As |
2002-01-15
|
|
Issues with boot time KEXT loading
(HTML)
()
QA1087: Explains how to solve problems with loading KEXTs at boot time.
|
SCSI |
Technical Q&As |
2004-01-15
|
|
Kernel Framework Reference
(HTML)
Describes the APIs and classes (including I/O Kit families) that support kernel-resident device drivers.
|
SCSI |
Reference |
2009-01-06
|
|
Making sense of IOKit error codes
(HTML)
()
QA1075: Explains how to interpret I/O Kit error codes.
|
SCSI |
Technical Q&As |
2002-02-07
|
|
Multipathing with FibreChannel on Mac OS X
(HTML)
TN2173: An explanation on how FibreChannel multipathing works on Mac OS X and how to design storage hardware to take advantage of it
|
SCSI |
Technical Notes |
2007-03-23
|
|
The "packages" node in the device tree
(HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
|
SCSI |
Technical Q&As |
2006-02-22
|
|
Power Management; Policy Maker vs. Power Controller
(HTML)
()
QA1121: Describes the differences between a Power Management Policy Maker and a Power Management Power Controller.
|
SCSI |
Technical Q&As |
2002-02-13
|
|
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.
|
SCSI |
Technical Q&As |
2008-09-24
|
|
SCSI Architecture Model Device Interface Guide
(HTML)
(PDF)
Explains how to develop applications that communicate with or control SCSI Architecture Model devices.
|
SCSI |
Guides |
2007-02-08
|
|
A SCSI little secret
(HTML)
HW81: Details what to expect when accessing the motherboard SCSI bus on the Blue & White G3.
|
SCSI |
Technical Q&As |
1999-12-20
|
|
SCSIHBAEmulator
(HTML)
(DMG)
(ZIP)
Demonstration of how to implement a virtual parallel tasking SCSI host bus adapter (HBA)
|
SCSI |
Sample Code |
2007-02-20
|
|
SCSIOldAndNew
(HTML)
(DMG)
(ZIP)
Demonstrates a backward-compatible technique for communicating with SCSI parallel devices on Mac OS X.
|
SCSI |
Sample Code |
2006-12-07
|
|
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.
|
SCSI |
Technical Q&As |
2005-05-10
|
|
SimpleUserClient
(HTML)
(DMG)
(ZIP)
Shows how to create a user client for an I/O Kit kernel driver.
|
SCSI |
Sample Code |
2008-08-27
|
|
Understanding and Debugging Kernel Panics
(HTML)
()
TN2063: Addresses kernel panics: what they are and how to debug the code that caused the panic.
|
SCSI |
Technical Notes |
2008-08-14
|
|
USBPrivateDataSample
(HTML)
(DMG)
(ZIP)
Demonstrates notifications when a USB device is hotplugged and associating arbitrary data with each device.
|
SCSI |
Sample Code |
2006-10-16
|
|
VendorSpecificType00
(HTML)
(DMG)
(ZIP)
Demonstrates how to access vendor-specific storage device functionality using a simple interface from user space code.
|
SCSI |
Sample Code |
2006-10-02
|
|
What are configuration variables in Open Firmware?
(HTML)
()
HW38: Defines the configuration variables in Open Firmware.
|
SCSI |
Technical Q&As |
1999-02-15
|
|
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
|
|
Code Signing Guide
(HTML)
(PDF)
Explains how you can sign your code and why you should.
|
Security |
Guides |
2008-11-19
|
|
Code Signing Release Notes
(HTML)
|
Security |
Release Notes |
2007-10-31
|
|
Leopard Technology Series for Developers: OS Foundations
(HTML)
Leopard Overview article on system-level updates.
|
Security |
Articles |
2007-09-04
|
|
Mac OS X Server Security Configuration Guide
(PDF)
Describes how to configure Mac OS X Server to enhance server and service security.
|
Security |
Guides |
2008-06-09
|
|
Uniquely Identifying a Macintosh Computer
(HTML)
()
TN1103: How to identify a specific Macintosh computer.
|
Security |
Technical Notes |
2006-04-25
|
|
Allocating and sharing memory with user space from an I/O Kit driver
(HTML)
()
QA1197: Describes the preferred technique for allocating and sharing buffers in an I/O Kit kernel driver.
|
Serial |
Technical Q&As |
2008-10-13
|
|
Building Universal I/O Kit Drivers
(HTML)
TN2163: How to build a universal I/O Kit kernel driver while avoiding common pitfalls.
|
Serial |
Technical Notes |
2008-08-18
|
|
CCL Modem Scripting Guide
(HTML)
(PDF)
|
Serial |
Guides |
2007-06-28
|
|
CCL Modem Scripting Release Notes
(HTML)
Explains changes to modem CCLs for Mac OS X v10.5 and what to do to change existing and supersede older scripts.
|
Serial |
Release Notes |
2007-10-31
|
|
Device File Access Guide for Serial Devices
(HTML)
(PDF)
Guidelines for using I/O Kit and POSIX functions to develop applications that communicate with serial devices.
|
Serial |
Guides |
2005-12-06
|
|
The dreaded "incompatible flag -framework" error
(HTML)
QA1096: Explains how to eliminate the incompatible flag -framework error in Project Builder.
|
Serial |
Technical Q&As |
2001-12-05
|
|
ExpressCard Prevents System Sleep
(HTML)
QA1517: Describes how some ExpressCard cards can prevent system sleep and how to fix the problem.
|
Serial |
Technical Q&As |
2007-02-28
|
|
Generating a Non-Maskable Interrupt (NMI)
(HTML)
()
QA1264: Explains how to generate a non-maskable interrupt (NMI) on modern Macintosh systems.
|
Serial |
Technical Q&As |
2008-10-13
|
|
HBA Device Driver Programming Guide
(HTML)
(PDF)
Describes how to develop a high-performance, kernel-resident driver for an HBA device.
|
Serial |
Guides |
2006-05-23
|
|
I/O Kit Framework Reference
(HTML)
Describes the I/O Kit classes that support non-kernel access to I/O Kit objects through the device-interface mechanism.
|
Serial |
Reference |
2009-03-04
|
|
Installing an I/O Kit KEXT Without Rebooting
(HTML)
QA1319: Describes the state of the art of installing I/O Kit kernel extensions (KEXTs) without requiring a restart.
|
Serial |
Technical Q&As |
2003-10-28
|
|
Installing smart card reader drivers
(HTML)
QA1359: Updates obsolete information contained in the pcscd(8) man page on Mac OS X Jaguar and Panther.
|
Serial |
Technical Q&As |
2004-08-30
|
|
IODeviceTree and the I/O Registry
(HTML)
()
QA1120: Describes the IODeviceTree plane in the Mac OS X I/O Registry.
|
Serial |
Technical Q&As |
2008-09-18
|
|
IOKit Framework Headers
(HTML)
()
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
|
Serial |
Technical Q&As |
2002-01-15
|
|
Issues with boot time KEXT loading
(HTML)
()
QA1087: Explains how to solve problems with loading KEXTs at boot time.
|
Serial |
Technical Q&As |
2004-01-15
|
|
Making sense of IOKit error codes
(HTML)
()
QA1075: Explains how to interpret I/O Kit error codes.
|
Serial |
Technical Q&As |
2002-02-07
|
|
The "packages" node in the device tree
(HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
|
Serial |
Technical Q&As |
2006-02-22
|
|
Power Management; Policy Maker vs. Power Controller
(HTML)
()
QA1121: Describes the differences between a Power Management Policy Maker and a Power Management Power Controller.
|
Serial |
Technical Q&As |
2002-02-13
|
|
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
|
|
SerialPortSample
(HTML)
(DMG)
(ZIP)
Demonstrates how to do serial I/O on Mac OS X.
|
Serial |
Sample Code |
2005-08-16
|
|
Understanding and Debugging Kernel Panics
(HTML)
()
TN2063: Addresses kernel panics: what they are and how to debug the code that caused the panic.
|
Serial |
Technical Notes |
2008-08-14
|
