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Technical Q&As: Legacy Technologies
As Mac OS X evolves, its technologies and APIs change to meet the needs of users and developers. As part of this evolution, less efficient features, interfaces, and programming techniques are deprecated or retired in favor of newer ones. Apple makes these changes only when deemed absolutely necessary. A technology identified in the ADC Reference Library as deprecated has been superseded and may become unsupported in the future. A technology identified as unsupported is no longer available from Apple for use by developers. Legacy documents help developers understand legacy technologies, identify replacements, and update their products to run on current Apple platforms.
View all Performance Technical Q&As.
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Is there a relationship between the device tree and the Name Registry? (HTML) ()
HW41.
 Unsupported 1999-02-15
QD3D Plug-In Renderer Handlers (HTML) ()
QD3D67.
 Unsupported 1997-07-11
Determining the Size of the Disk Cache (HTML) ()
ME04.
 Unsupported 1996-07-03
Setting Port Speed on a Modem Port (HTML)
DV25.
 Unsupported 1996-02-23
Using Temporary Memory with OpenPicture (HTML)
QD20: Provides several techniques of causing OpenPicture to allocate temporary memory for a picture handle.
 Deprecated 1996-02-01
Error -151 and NewGWorld (HTML)
QD18: Explains what the error code -151 means when in NewGWorld.
 Deprecated 1995-09-15
Problem with PaintRgn on 256-color Screens (HTML)
QD23: PaintRgn with RGBForeColor and transfer mode addOver doesn't return color to original on 256-color-screens.
 Deprecated 1995-09-15
Problems with Caching Drivers on PowerMac 9500 (HTML)
DV19.
 Unsupported 1995-09-15
Getting the Processor Type and Speed on a PCI Mac (HTML)
HW18.
 Unsupported 1995-07-15
ANSI SCSI Standards (HTML)
DV03: Describes past Macintosh systems that did not fully support the ANSI SCSI-1 standard.
 Deprecated 1995-07-01
SCSI Calls Translated for IDE Devices (HTML)
DV02.
 Unsupported 1995-05-01
Virtual Memory Management (HTML)
ME02.
 Unsupported 1995-05-01