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Technical Notes
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 A technology identified in the ADC Reference Library as deprecated has been superseded and may become unsupported in the future.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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A Technique for Estimating the Total RAM You Need for a QuickTime VR Project (HTML) (PDF)
TN1030.
Unsupported 2000-08-14
A Technique for Figuring Out a Resource's Base Value (HTML) (PDF)
TN1006.
Unsupported 2000-08-14
Thread-Safe Toolbox Access From MRJ (HTML) (PDF) ()
TN1153: Thread-Safe Toolbox access from MRJ on Mac OS Classic.
Deprecated 2000-08-14
Understanding PackBits (HTML) (PDF)
TN1023.
Unsupported 2000-08-14
Understanding the SerialDMA Driver (HTML) (PDF) ()
TN1018.
Unsupported 2000-08-14
Using Low-Level Printing Calls With AppleTalk ImageWriters (HTML) (PDF)
PR06.
Unsupported 2000-08-14
Using The GXGraphics Extension (HTML) (PDF) ()
TN1101.
Unsupported 2000-08-14
Will Your AppleTalk Application Support Internets? (HTML) (PDF)
NW18.
Unsupported 2000-08-14
WorldScript Q&As (HTML) (PDF)
TE535.
Unsupported 2000-08-14
Writing Custom Hoses for LaserWriter 8.6 (HTML) (PDF) ()
TN1144.
Unsupported 2000-08-14
Cursor Components (HTML) (PDF)
TN1196.
Unsupported 2000-04-01
Mac OS 9 (HTML) (PDF) ()
TN1176.
Unsupported 2000-04-01
QuickTime 4.1.1/4.1.2 (HTML) (PDF)
TN1197: Changes between QuickTime 4.1 and the update QuickTime 4.1.1 and 4.1.2.
Deprecated 2000-04-01
Sherlock's Find by Content Text Extractor Plug-ins (HTML) (PDF) ()
TN1181.
Unsupported 2000-01-01
Inside Macintosh: Files Errata (HTML) (PDF) ()
TN1041.
Unsupported 1999-11-01
The Monster Disk Driver Technote (HTML) (PDF)
TN1189.
Unsupported 1999-11-01
Introducing the LaserWriter 8 Driver version 8.7 (HTML) (PDF) ()
TN1177.
Unsupported 1999-10-01
Packages in Mac OS 9 (HTML) (PDF) ()
TN1188.
Unsupported 1999-10-01
PostScript Output Filters for LaserWriter 8.7 (HTML) (PDF)
TN1179.
Unsupported 1999-10-01
Introducing the LaserWriter 8 Driver version 8.6.5 (HTML) (PDF) ()
TN1165.
Unsupported 1999-05-01
LaserWriter 8.6.5 Job Log Format (HTML) (PDF) ()
TN1166.
Unsupported 1999-05-01
Mac OS 8.6 (HTML) (PDF) ()
TN1163.
Unsupported 1999-05-01
Stationery Pads (HTML)
OV19.
Unsupported 1999-04-01
Smoothing Fonts (HTML) (PDF) ()
TN1149.
Unsupported 1999-01-01
Introducing the LaserWriter 8 Driver Version 8.6 (HTML) (PDF) ()
TN1143.
Unsupported 1998-11-01
Mac OS 7.6.1 (HTML) (PDF) ()
TN1096.
Unsupported 1998-11-01
Object Support Library Version History (HTML) (PDF) ()
TN1095.
Unsupported 1998-11-01
Mac OS 8.5 (HTML) (PDF) ()
TN1142.
Unsupported 1998-10-01
The Preferences Problem (HTML) (PDF) ()
TN1134: Outlines typical problems with preferences files and some of their solutions.
Deprecated 1998-10-01
QuickTime 3.0.2 (HTML) (PDF) ()
TN1139: Describes changes between the final release of QuickTime 3.0 and update 3.0.2.
Deprecated 1998-09-01
Don't Look at ioPosOffset for Devices (HTML) (PDF)
FL24.
Unsupported 1998-06-01
MacTCP Q&As (HTML) (PDF)
NW550.
Unsupported 1998-06-01
The New PrGeneral Version Opcode (HTML) (PDF) ()
TN1133.
Unsupported 1998-06-01
Unlocking GDHandles Considered Harmful (HTML) (PDF) ()
TN1118.
Unsupported 1998-06-01
Building a 3D application that calls RAVE (HTML) (PDF) ()
TN1125.
Unsupported 1998-05-01
New Sound Input Driver Features (HTML) (PDF) ()
TN1124: Describes the visible features and changes, in Mac OS 8.1, for PCI sound input drivers.
Deprecated 1998-04-01
Serial Port Apocrypha (HTML) (PDF) ()
TN1119.
Unsupported 1998-04-01
Virtual Memory Application Compatibility (HTML) (PDF)
TN1094: Provides an introduction to how virtual memory works under Traditional Mac OS.
Deprecated 1998-04-01
Locking and Unlocking Handles (HTML) (PDF) ()
TN1122: Explains Memory Manager handles: locking, unlocking, and preserving a handle's state.
Deprecated 1998-02-01
Optimizing QD3D 1.5.3 Apps For Maximum Performance (HTML) (PDF) ()
TN1109.
Unsupported 1998-02-01
AppleVision Technote (HTML) (PDF) ()
TN1105.
Unsupported 1997-12-01
Color Cursor Cursing: A Leading Cause (HTML)
QD03.
Unsupported 1997-12-01
Open Transport STREAMS FAQ (HTML) (PDF)
TN1117: Decribes writing STREAMS modules and drivers for use with Open Transport.
Deprecated 1997-12-01
Introducing the LaserWriter Driver Version 8.5.1 (HTML) (PDF)
TN1112.
Unsupported 1997-09-01
Power Management & PC Card Manager 3.0 (HTML) (PDF) ()
TN1099.
Unsupported 1997-07-01
Running CFM-68K Code at Interrupt Time: Is Your Code at Risk? (HTML) (PDF) ()
TN1084.
Unsupported 1997-03-01
QuickDraw GX 'rdip' Resources: The Number of the Beast (HTML) (PDF) ()
TN1093.
Unsupported 1997-02-01
Extension Manager 4.0 (HTML) (PDF) ()
TN1091.
Unsupported 1997-01-01
Mac OS 7.6 (HTML) (PDF) ()
TN1090.
Unsupported 1997-01-01
Power Management & The Energy Saver API (HTML) (PDF) ()
TN1086.
Unsupported 1996-12-01
Calling CFM Code From Classic 68K Code (HTML) (PDF)
TN1077.
Unsupported 1996-11-01
Power Management & Servers: Auto Restart From Power Failure (HTML) (PDF)
TN1079.
Unsupported 1996-11-01
Customizing Apple Media Tool 2.0 & 2.1 Scroll Bars and Movie Controllers (HTML) (PDF)
TN1073.
Unsupported 1996-10-01
E.T.O: The Right Tools for the Right Job (HTML) (PDF) ()
TN1066.
Unsupported 1996-09-01
Inside Macintosh: Operating System Utilities: Addendum to Chapter 4 - Determining If Daylight Savings Time is in Effect (HTML) (PDF)
TN1064.
Unsupported 1996-09-01
System 7.5.5 (HTML) (PDF) ()
TN1069.
Unsupported 1996-09-01
Traditional Device Drivers: Sync or Swim (HTML) (PDF) ()
TN1067.
Unsupported 1996-09-01
Using QuickDraw GX Functionality from Pascal or Modula-2 - Without Writing Any C Code (HTML) (PDF)
TN1065.
Unsupported 1996-09-01
Writing PPD Files for Use With LaserWriter 8, version 8.4.1 (HTML) (PDF) ()
TN1068.
Unsupported 1996-09-01
Apple Media Tool's Memory Error Explained (HTML) (PDF)
TN1056.
Unsupported 1996-07-01
Decomposing a QuickDraw GX Mapping (HTML) (PDF)
TN1054.
Unsupported 1996-07-01
On Improving Open Transport Network Server Performance (HTML) (PDF)
TN1059.
Unsupported 1996-07-01
Querying PostScript Printers at dtp Creation Time the QuickDraw GX Way (HTML) (PDF)
TN1057.
Unsupported 1996-07-01
QuickDraw GX 'ptyp' Resource: Calculations, Uses & Limitations (HTML) (PDF)
TN1058.
Unsupported 1996-07-01
SIMMs to DIMMs: Making Sense Out of Memory Expansion for the Power Macintosh (HTML) (PDF)
TN1055.
Unsupported 1996-07-01
QuickDraw GX ConicLibrary.c in Detail: Description and Derivations (HTML) (PDF)
TN1052.
Unsupported 1996-06-01
System 7.5.3 Revision 2 (HTML) (PDF)
TN1050.
Unsupported 1996-06-01
Understanding Conic Splines (HTML) (PDF)
TN1051.
Unsupported 1996-06-01
Inside Macintosh: Devices, Power Manager Addenda (HTML) (PDF)
TN1046.
Unsupported 1996-05-01
On Changes to QuickTime Conferencing Components: New Error Codes, Behavior & Methods of Retrieving Errors (HTML) (PDF)
TN1045.
Unsupported 1996-05-01
Strategies for Dealing with Low-Memory Conditions (HTML) (PDF) ()
TN1042.
Unsupported 1996-05-01
Access & the Power Manager:Headaches & Cures (HTML) (PDF)
TN1039.
Unsupported 1996-04-01
QuickDraw GX MappingLibrary.c: Its Uses and Limitations (HTML) (PDF)
TN1037.
Unsupported 1996-04-01
QuickDraw GX OffscreenLibrary.c in Detail: Description, Uses & Limitations (HTML) (PDF)
TN1038.
Unsupported 1996-04-01
System 7.5 Update 2.0; System 7.5.3 (HTML) (PDF)
TN1017.
Unsupported 1996-04-01
Write Cache Flushing: Techniques for Properly Handling System Shutdown (HTML) (PDF)
TN1040.
Unsupported 1996-04-01
Driver Loader Library Call GetDriverInformation: A Bug & Workaround (HTML) (PDF)
TN1025.
Unsupported 1996-02-01
Interrupts in Need of (a Good) Time (HTML) (PDF)
TN1033.
Unsupported 1996-02-01
Mixing QuickDraw & Post-Script Printing from Your App: Some Gotchas (HTML) (PDF)
TN1032.
Unsupported 1996-02-01
On the Importance of Print Testing: A Brief Checklist (HTML) (PDF)
TN1027.
Unsupported 1996-02-01
_StripAddress: The Untold Story (HTML)
ME06.
Unsupported 1995-11-01
Available Volumes (HTML)
FL01.
Unsupported 1995-11-01
Clearing ioCompletion (HTML)
FL02.
Unsupported 1995-11-01
Error in FCBPBRec (HTML)
FL03.
Unsupported 1995-11-01
Getting a Full Pathname (HTML)
FL04.
Unsupported 1995-11-01
HFS Compatibility Guidelines (HTML)
FL05.
Unsupported 1995-11-01
HFS Tidbits (HTML)
FL07.
Unsupported 1995-11-01
Nulls in Filenames (HTML)
FL08.
Unsupported 1995-11-01
PBHSetVol is Dangerous (HTML)
FL11.
Unsupported 1995-11-01
Register A5 Within GrowZone Functions (HTML)
ME01.
Unsupported 1995-11-01
Setting ioFDirIndex in PBGetCatInfo Calls (HTML)
FL10.
Unsupported 1995-11-01
Standard File Tips (HTML)
FL12.
Unsupported 1995-11-01
The Compleat Guide to TeachText (HTML)
PT36.
Unsupported 1995-10-01
On Power Macintosh Interrupt Management (HTML) (PDF)
TN1001.
Unsupported 1995-10-01
Understanding PCI Bus Performance (HTML) (PDF)
TN1008.
Unsupported 1995-10-01
Understanding Type 11 & No FPU Installed Errors on the Power Macintosh (HTML) (PDF)
TN1011.
Unsupported 1995-10-01
File Sharing Extension 7.6.1 (HTML) (PDF)
NW29.
Unsupported 1995-02-01
Inside Macintosh: Overview Errata (HTML) (PDF)
IMERRATA04.
Unsupported 1994-10-01
Inside Macintosh: PowerPC System Software Errata (HTML) (PDF)
IMERRATA05.
Unsupported 1994-10-01
Inside Macintosh: Processes Errata (HTML) (PDF)
IMERRATA06.
Unsupported 1994-10-01