Leopard Technical Q&As
This page lists new and recently changed Technical Q&As.

Items are listed in reverse chronological order by publication date. To see the list sorted by the type of revision, click Sort by Revision Type. Items published for the first time (First Version) will be at the top of the list, followed by items with new or changed content (Content Update), followed by items with small fixes, such as typos and format errors, but no significant content changes (Minor Change).

New and updated Technical Q&As are announced in the bi-weekly Apple Developer Connection News, available as an option to ADC members. See the Membership Overview page for details on joining.
Document Revision Descriptions
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2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update AirPort/802.11
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update AirPort/802.11
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change AirPort/802.11
2008-09-16 Disabling Processor Cores on a Multi-Core System (HTML) (日本語 HTML)
Added CHUD Processor preference pane. Removed obsolete content. Made editorial changes.
 Content Update Apple Hardware
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Apple Hardware
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Apple Hardware
2008-09-24 Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
Updated source listing.
 Minor Change Apple Hardware
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update ATA
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update ATA
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change ATA
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update Audio
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Audio
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Audio
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change Audio
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update Bluetooth
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Bluetooth
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Bluetooth
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Bonjour
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update Ethernet
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Ethernet
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Ethernet
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update Fibre Channel
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Fibre Channel
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Fibre Channel
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update FireWire
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update FireWire
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change FireWire
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change FireWire
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Human Interface Device & Force Feedback
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Human Interface Device & Force Feedback
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change Human Interface Device & Force Feedback
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Mac OS X Server
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update Networking
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Networking
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Networking
2008-09-16 Disabling Processor Cores on a Multi-Core System (HTML) (日本語 HTML)
Added CHUD Processor preference pane. Removed obsolete content. Made editorial changes.
 Content Update Open Firmware
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Open Firmware
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update PCI and PC Card
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update PCI and PC Card
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change PCI and PC Card
2008-09-16 Disabling Processor Cores on a Multi-Core System (HTML) (日本語 HTML)
Added CHUD Processor preference pane. Removed obsolete content. Made editorial changes.
 Content Update Performance
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Performance
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Printing
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Printing
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change Printing
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update QuickTime
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update Scanners
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Scanners
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Scanners
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change Scanners
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update SCSI
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update SCSI
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change SCSI
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change SCSI
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update Serial
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Serial
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Serial
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Still Cameras
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Still Cameras
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change Still Cameras
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update Storage
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update Storage
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change Storage
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change Storage
2008-10-13 Allocating and sharing memory with user space from an I/O Kit driver (HTML) (日本語 HTML)
Modernized content and and made editorial changes.
 Content Update USB
2008-10-13 Generating a Non-Maskable Interrupt (NMI) (HTML) (日本語 HTML)
Modernized and made editorial revisions. Added details related to Intel-based Macs.
 Content Update USB
2008-09-18 IODeviceTree and the I/O Registry (HTML) (日本語 HTML)
Modernized and made minor editorial changes.
 Minor Change USB
2008-09-24 Retain Counts of io_object_t Objects in IOKit.framework (HTML) (日本語 HTML)
Minor editorial changes.
 Minor Change USB