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Technical Q&As
Legacy technologies include features, functions, classes, and methods that have been deprecated or are no longer supported. A technology identified in the ADC Reference Library as deprecated has been superseded and may become unsupported in the future.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 software or hardware developers. Legacy documents help developers understand legacy technologies, identify replacements, and update their products to run on current Apple platforms.

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Getting a List of Drivers & LUNs (logical unit numbers) (HTML)
DV04: Describes a legacy Mac OS technique for obtaining a list of SCSI Parallel drivers, devices, and LUNs.
Deprecated 1995-07-01
Getting Default Settings for a Given Font (HTML) ()
GXTY10.
Unsupported 1996-06-01
Getting Records From the OCE Catalog Manager (HTML)
NW16.
Unsupported 1995-09-15
Getting Started with Network Programming (HTML)
NW32.
Unsupported 1996-05-14
Getting the Processor Type and Speed on a PCI Mac (HTML)
HW18.
Unsupported 1995-07-15
grayishTextOr and Mac OS 8.5 (HTML) ()
QD59: Explains why text drawn using TextMode(grayishTextOr) is never drawn; provides a workaround.
Deprecated 1998-12-07
Grayscale Printing on a LaserWriter LS (HTML)
QD38.
Unsupported 1995-12-07
GrayShare Software Update (HTML)
QD39.
Unsupported 1995-12-07
Greenwich Mean Time offsets and the Map control panel (HTML) ()
OPS24.
Unsupported 1999-05-17
Guide Maker 1.2.7 Fixes PowerTalk Crashes (HTML) ()
GM01.
Unsupported 1996-05-14
GWorld in the 'grafPort' Field of a MacDrawContext Struct (HTML)
QD3D13.
Unsupported 1995-06-01
GX 'comm' Resource Type (HTML)
GXPD01.
Unsupported 1995-05-01
GXGetShapeLocalBounds Call (HTML)
GX02.
Unsupported 1995-05-01
Handling of Update Events While a Movie Plays (HTML)
QTMTB45: Describes timing issues that can be caused by applications calling WaitNextEvent while playing a QuickTime movie.
Deprecated 1995-09-15
Header Conditions (HTML) ()
QD3D48.
Unsupported 1996-04-08
Hidden Volumes in HFS (HTML)
FL03.
Unsupported 1995-11-01
Hiding public methods from AppleScript in Java (HTML) ()
JAVA09: Hiding public Java methods from AppleScript on Mac OS Classic.
Deprecated 1999-05-17
Highlight State (HTML) ()
QD3D38.
Unsupported 1996-04-08
HMShowBalloon styled TEHandle limit and Workaround (HTML)
TB07.
Unsupported 1995-05-01
How do I ring the Doorbell? (HTML) ()
FW02.
Unsupported 1999-05-17
How PBDTGetAPPL Chooses Which Copy of an App to Launch (HTML) ()
TB19: Explains how PBDTGetAppl() chooses which application copy to launch, and how to deal with the trash.
Deprecated 1996-05-14
How to Disable the JIT (HTML) ()
JAVA05: Disabling the JIT on Mac OS Classic.
Deprecated 1998-02-22
How to Find the Printer Descriptions folder (HTML) ()
QD52.
Unsupported 1997-11-17
How to get the Monitor ID as displayed in the Monitors & Sound Control Panel (HTML) ()
QD55.
Unsupported 1998-01-16
How to use the OT modem script engine (HTML) ()
NW50: Shows how to use the Open Transport modem script engine.
Deprecated 1997-07-11
How to use URL Access with proxy servers (HTML)
QA1074: Explains how to use URL Access with proxy servers.
Deprecated 2001-10-02
Icon Families (HTML)
TB08.
Unsupported 1995-05-01
Identically-Sized Print Files with LW 8.x (HTML) ()
QD47.
Unsupported 1997-01-09
Implementing DLLs (HTML)
NW06.
Unsupported 1995-05-01
Implementing MacsBug-Compatible USB Keyboard and Mouse Drivers (HTML)
USB06.
Unsupported 2000-05-31
Implementing read-modify-write on PCI (HTML)
HW08.
Unsupported 1995-07-15
Importing Non-PICT Files Into Apple Media Tool (HTML)
AMTPE22.
Unsupported 1995-08-01
Impossibility of Extracting File System Information from the WindowPtr (HTML) ()
OPS10.
Unsupported 1996-05-14
Improper Texture Mapping with Trigrids (HTML)
QD3D09.
Unsupported 1995-06-01
The Improper use of FSClose (HTML) ()
TB36.
Unsupported 1998-02-10
Including the Cursor in a Screen Capture when using CopyBits (HTML) ()
QD45.
Unsupported 1996-09-27
Inconsistencies, LaserWriter 'xdtl', adding a padByte (HTML)
GXPD07.
Unsupported 1995-05-01
Incorrect Inside Macintosh Volume V documentation (HTML)
QD15: Identifies incorrect documentation in Inside Macintosh Volume V regarding the formats of PnPixPat and BkPixPat opcodes.
Deprecated 1995-09-15
Incorrect Paper Size with QuickDraw GX 1.1.2 (HTML)
GXPD35.
Unsupported 1995-08-01
Inputting characters using InputMethod (HTML) ()
JAVA18: Inputting characters using InputMethod on Mac OS Classic Java.
Deprecated 1999-10-18
The installer turns my application into a folder. (HTML)
QA1023: Workaround for applications built with MRJApp Builder that become folders on Mac OS X 10.0.
Deprecated 2001-04-12
Interactive Renderer Not Drawing Flat Surfaces (HTML)
QD3D05.
Unsupported 1995-06-01
InterfaceLib and Native Drivers (HTML)
DV43.
Unsupported 2000-09-22
The InterfaceLibSys7.additions Stub Library (HTML) ()
PLAT23.
Unsupported 1996-11-14
The intermittent behavior of SetDialogItemText (HTML)
QA1082: Explains why SetDialogItemText may seem to not work correctly if you have embedding turned on.
Deprecated 2001-10-30
Interrupt Management (HTML)
HW10.
Unsupported 1995-07-15
Invisibility of ColorSync Accelerators (HTML) ()
CS10.
Unsupported 1996-03-05
Is SCSI Manager 4.3 Emulated? (HTML)
DV07.
Unsupported 1999-04-05
Is there a relationship between the device tree and the Name Registry? (HTML) ()
HW41.
Unsupported 1999-02-15
Java File Paths are not Unix File Paths (HTML) ()
JAVA11: Describes why Java File Paths are not Unix File paths on Mac OS Classic Java.
Deprecated 2000-03-20
JBound App Results in -35 OSErr (HTML) ()
JAVA03: Resolving error -35 on Mac OS Classic JBound applications.
Deprecated 1998-02-22
Jumpy Mouse when Transferring Data on PowerMacs (HTML)
DV23.
Unsupported 1995-11-01
Kanji & PostScript Printing (HTML)
QD07.
Unsupported 1996-02-01
Kanji and Special Text-Processing (HTML)
TX01.
Unsupported 1995-05-01
Keywords Dropped from 3DMF Specification (HTML)
QD3D10.
Unsupported 1995-06-01
LaserWriter 7.5.2 Printing Update 1.1 (HTML)
QD36.
Unsupported 1995-11-22
LaserWriter 8 Local Customization File (HTML)
QD11.
Unsupported 1995-07-01
LaserWriter 8 Support for *JCL/PCL (HTML) ()
QD57.
Unsupported 1998-05-25
LaserWriter 8.3 %%?BeginQuery: RBIAppleDevice Query (HTML)
QD08.
Unsupported 1995-07-01
LaserWriter 8.4.x - Custom page size support (HTML) ()
QD48.
Unsupported 1997-05-22
LaserWriter Drivers - Which Are ColorSync Aware? (HTML)
QD34.
Unsupported 1995-11-22
LaserWriter GX CustomDialogs Sample (HTML)
GXPD30.
Unsupported 1995-08-01
Late breaking news for the MacsBug gdb plugin (HTML)
QA1032.
Unsupported 2001-05-03
Launching a PICT from a Panorama (HTML)
QTVR15.
Unsupported 1995-09-01
Light Color (HTML) ()
QD3D30.
Unsupported 1996-02-15
Limitations of ShowDragHilite (HTML) ()
TB21.
Unsupported 1996-08-21
Limitations of the Apple QuickDraw 3D Acceleration Card (HTML) ()
QD3D34.
Unsupported 1996-04-08
Limitations to Menu Item Size under Menu Manager (HTML) ()
TB23.
Unsupported 1996-09-27
List Manager & LClick (HTML)
TB09.
Unsupported 1995-05-01
LMGetTheMenu and LMSetMenuHook (HTML) ()
TB52.
Unsupported 1998-12-22
Loading Applications Without QD3D (HTML)
QD3D26.
Unsupported 1995-09-15
Localization Problems with Apps for Japan (HTML)
TX02.
Unsupported 1995-05-01
Localized Versions of Appearance SDK (HTML) ()
TB61.
Unsupported 1999-04-12
Locating a Font's Home File (HTML) ()
TB18: Lists the steps necessary to find the home file of a given font.
Deprecated 1996-02-15
Locating the Selected Printer (HTML)
GXPD36.
Unsupported 1995-09-15
Long Timeout When Opening Certain Files - A StyleWriter Quirk (HTML)
QD42.
Unsupported 1996-04-08
MACE Restrictions (HTML) ()
SND16: MACE algorithms only support the compression of 8-bit offset binary sound.
Deprecated 1999-06-08
Macintosh Quadra 700 and 900 SCSI Chip Anomaly and Fix (HTML)
DV08.
Unsupported 1995-07-01
Macintosh Quadra and SCSI Termination (HTML)
DV09.
Unsupported 1995-07-01
Macintosh Quadra SCSI Data Transfer (HTML)
DV10.
Unsupported 1995-07-01
MacTCP (HTML)
NW08.
Unsupported 1995-05-01
MacTCP and UDP Performance (HTML)
NW07.
Unsupported 1995-05-01
MacTCP I/O (HTML)
PLAT04.
Unsupported 1995-05-01
Makefiles Problems (HTML)
PLAT10.
Unsupported 1995-06-01
Making Data Executable (HTML) ()
OPS19.
Unsupported 1999-04-12
Making Input Gain Setting Changes (HTML) ()
SND01: Changing the input gain setting on older Power Macs before recording.
Deprecated 1996-06-01
Making Objects Invisible (HTML) ()
QD3D64.
Unsupported 1997-07-11
Making Sure the Object Will Spin without Stopping (HTML)
QTVR04.
Unsupported 1995-06-01
Making the ADBOp call from CFM-68K (HTML) ()
HW30.
Unsupported 1998-05-11
Mapping OT Error Numbers to theirNames (HTML)
NW35.
Unsupported 1996-06-01
Maximum Memory for the "Firewire" PowerBook (HTML)
HW83: Discrepancies between PowerBook Developer Note and TIL articles 14870 and 58582, regarding maximum memory configurations.
Deprecated 2000-03-13
Maximum number of fonts (HTML) ()
TX13.
Unsupported 2000-01-04
Maximum Number of Menu Items (HTML) ()
TB57.
Unsupported 1998-12-22
MemAllocatePhysicallyContiguous (HTML) ()
DV36.
Unsupported 1999-08-23
MemError (HTML) ()
ME06.
Unsupported 1997-09-12
Memory Problems, Avoiding Blank Frames (HTML)
QTVR05.
Unsupported 1995-06-01
Memory Requirements (HTML)
PLAT11.
Unsupported 1995-06-01
Menu Definition Drawing Dimmed Items (HTML) ()
TB50.
Unsupported 1998-12-22
Menu Issues, Drawing, Removal & Increasing Size (HTML)
TB10.
Unsupported 1995-05-01
Mesh Edge Structure Can Not Have More Than 2 Faces (HTML) ()
QD3D65.
Unsupported 1997-07-11