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Technical Q&As: Device Drivers
Bluetooth is an inexpensive, low-power, short-range wireless technology that connects low-bandwidth wireless peripherals to computers and to each other. Bluetooth is a replacement for infrared communication standards such as IrDA and is a complementary technology to Apple's wireless networking solution, AirPort. Mac OS X implements several of the Bluetooth profiles, including dial-up networking, serial port, FTP, and headset. In addition, Mac OS X offers developers a comprehensive API that supports access to Bluetooth-specific functionality.

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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.
2004-04-26
Issues with boot time KEXT loading (HTML) ()
QA1087: Explains how to solve problems with loading KEXTs at boot time.
2004-01-15
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.
2003-10-28
Bluetooth Radio Power Class for Apple Systems (HTML) ()
QA1278: Notes Preferred Bluetooth Transmitter Characteristics for products designed for Apple Systems.
2003-08-06
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.
2002-09-13
IODeviceTree & the IORegistry (HTML) ()
QA1120: Describes the IODeviceTree plane in the Mac OS X IORegistry.
2002-02-13
Power Management; Policy Maker vs. Power Controller (HTML) ()
QA1121: Describes the differences between a Power Management Policy Maker and a Power Management Power Controller.
2002-02-13
Making sense of IOKit error codes (HTML) ()
QA1075: Explains how to interpret I/O Kit error codes.
2002-02-07
IOKit Framework Headers (HTML) ()
QA1107: Describes the differences between the headers in IOKit.framework and the I/O Kit headers in Kernel.framework.
2002-01-15
Adding dependencies with kmodload (HTML)
QA1097: Illustrates how to specify dependencies when using kmodload.
2001-12-05
The "packages" node in the device tree (HTML)
HW90: Describes the "packages" node in the Open Firmware device tree.
2000-09-05
Is the Open Firmware device tree object oriented? (HTML)
HW80: Discusses the object-oriented attributes of the Open Firmware device tree.
1999-11-15
Expansion ROM device properties (HTML) ()
HW50: Describes the Open Firmware properties that should be included in a boot device's expansion ROM.
1999-03-29
Getting started with Forth (HTML) ()
HW53: Describes where FCode driver developers can get information about the Forth programming language.
1999-03-29