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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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Reference |
2008-04-08
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Kernel Framework Reference
(HTML)
Describes the APIs and classes (including I/O Kit families) that support kernel-resident device drivers.
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Reference |
2008-04-08
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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.
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Guides |
2008-02-27
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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.
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Release Note |
2007-10-31
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USB Device Interface Guide
(HTML)
(PDF)
Provides background information and sample code for developing applications to communicate with or control USB devices and interfaces.
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Guides |
2007-09-04
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Checkout Lets You 'Get a Mac, Start a Store': Madebysofa Does It with Python and Cocoa
(HTML)
Success story on how Mac-only Checkout was built using Python and Cocoa.
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Articles |
2007-07-10
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CustomMediaIcons
(HTML)
(DMG)
(ZIP)
Providing custom media icons for storage
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Sample Code |
2007-07-10
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CCL Modem Scripting Guide
(HTML)
(PDF)
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Guides |
2007-06-28
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ExpressCard Prevents System Sleep
(HTML)
QA1517: Describes how some ExpressCard cards can prevent system sleep and how to fix the problem.
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Technical Q&A |
2007-02-28
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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.
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Technical Note |
2006-11-10
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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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Sample Code |
2006-10-16
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VendorSpecificType00
(HTML)
(DMG)
(ZIP)
Demonstrates how to access vendor-specific storage device functionality using a simple interface from user space code.
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Sample Code |
2006-10-02
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Building Customized User Client Drivers for USB Devices
(HTML)
Learn how to write the setup code for card readers, bill validators, and other devices.
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Articles |
2006-06-26
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Common QA and Roadmap for USB Software Development on Mac OS X
(HTML)
QA1370: Roadmap for development of USB Software on Mac OS X and some Common Questions and Answers
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Technical Q&A |
2006-02-28
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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&A |
2006-02-22
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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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Technical Q&A |
2005-05-10
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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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Sample Code |
2005-03-07
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Installing smart card reader drivers
(HTML)
QA1359: Updates obsolete information contained in the pcscd(8) man page on Mac OS X Jaguar and Panther.
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Technical Q&A |
2004-08-30
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Generating an NMI Without a Programmer's Switch
(HTML)
()
QA1264: Explains how to generate a non-maskable interrupt (NMI) on CPUs without programmer's switches.
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Technical Q&A |
2004-04-26
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Issues with boot time KEXT loading
(HTML)
()
QA1087: Explains how to solve problems with loading KEXTs at boot time.
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Technical Q&A |
2004-01-15
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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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Technical Q&A |
2003-10-28
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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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Technical Q&A |
2003-08-21
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Understanding and Debugging Kernel Panics
(HTML)
()
TN2063: Addresses kernel panics: what they are and how to debug the code that caused the panic.
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Technical Note |
2002-11-11
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Mapping kernel memory to user space on Mac OS X 10.2
(HTML)
()
QA1197: Describes a change to mapping kernel memory to user space affecting Mac OS X 10.2 and later.
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Technical Q&A |
2002-09-13
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SCSIAction and IOSCSIUserClient on Mac OS X 10.2
(HTML)
()
QA1201: Describes migrating to a new API for SCSI Parallel devices starting with Mac OS X 10.2.
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Technical Q&A |
2002-09-13
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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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Technical Q&A |
2002-09-04
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IODeviceTree & the IORegistry
(HTML)
()
QA1120: Describes the IODeviceTree plane in the Mac OS X IORegistry.
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Technical Q&A |
2002-02-13
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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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Technical Q&A |
2002-02-13
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Making sense of IOKit error codes
(HTML)
()
QA1075: Explains how to interpret I/O Kit error codes.
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Technical Q&A |
2002-02-07
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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.
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Guides |
2002-02-06
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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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Technical Q&A |
2002-01-15
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Adding dependencies with kmodload
(HTML)
QA1097: Illustrates how to specify dependencies when using kmodload.
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Technical Q&A |
2001-12-05
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The dreaded "incompatible flag -framework" error
(HTML)
QA1096: Explains how to eliminate the incompatible flag -framework error in Project Builder.
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Technical Q&A |
2001-12-05
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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.
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Technical Q&A |
2001-10-02
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HID Manager Event Data Underruns
(HTML)
QA1038: Explains how to correctly handle HID Manager event queue data underruns.
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Technical Q&A |
2001-06-13
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Open Firmware and the devalias node
(HTML)
HW95: Open Firmware and the devalias node
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Technical Q&A |
2000-09-05
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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&A |
1999-11-15
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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&A |
1999-10-11
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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&A |
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&A |
1999-10-11
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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&A |
1999-03-29
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Expansion ROM device properties
(HTML)
()
HW50: Describes the Open Firmware properties that should be included in a boot device's expansion ROM.
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Technical Q&A |
1999-03-29
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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&A |
1999-03-29
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Are interrupts enabled while Open Firmware is running?
(HTML)
()
HW44: Explains that interrupts are disabled when Open Firmware is running.
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Technical Q&A |
1999-02-15
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What are configuration variables in Open Firmware?
(HTML)
()
HW38: Defines the configuration variables in Open Firmware.
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Technical Q&A |
1999-02-15
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What are snag keys in Open Firmware?
(HTML)
()
HW35: Explains Open Firmware snag keys, including examples of their function.
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Technical Q&A |
1999-02-15
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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&A |
1995-07-15
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