21 / 2018-04-06 / cfaeb30264aa646b2494dd02c52c188f73125b18 / Architecture IBM PowerPC Compatibility notes About Mac OS 8.6 Update What's New in Mac OS 8.6 Update and CD-ROM This document provides information about Mac OS 8.6 that supplements the information below. Notes about Mac OS 8.6. Monitor Resolution changes after Mac OS 8.6 install After performing a clean install of Mac OS 8.6, your monitor resolution may have changed from its previous settings. You can change your monitor resolution back by using the Monitors & Sound control panel. Slow screen redrawing If a desktop picture is redrawn slowly after closing a window, your computer might be running low on memory. Set the Appearance control panel to display a pattern, instead of a picture, to speed up the redrawing process. Unusual or inconsistent appearance Some applications may exhibit unusual or inconsistent cosmetic anomalies when used with Mac OS 8.6.

These should not impact the performance of the application. Contact the manufacturer of the program to see if an updated version of the program is available. Mac OS ROM File If you are using an iMac or a 'blue and white' Power Macintosh G3 computer, do not attempt to move the file 'Mac OS ROM' from a Mac OS 8.6 system software folder into a previous system software folder. This may result in a system folder which will not start your computer. Always use the Mac OS 8.6 installer when upgrading these computers to Mac OS 8.6. NetBoot Administrators The Mac OS 8.6 default installation places newer versions of certain files on the NetBoot HD disk image, but does not remove the older versions which are on the Applications HD disk image. After installing Mac OS 8.6, you need to move the newer versions from the NetBoot HD to the Applications HD, and delete the older versions.

Notes about compatibility. ColorSync 2.6 ColorSync 2.6 now includes support for Unicode tags inside of ColorSync/ICC Profiles. Some profiles may not show up under the ColorSync Control Panel after version 2.6 or later is installed. Apple is working on a utility to help update profiles to support this. Visit the web site at www.apple.com/colorsync for more information. Compuserve Accounts When trying to dial in to a Compuserve account from the Remote Access control panel, after entering the password wait until the server responds before you press continue. DVD-RAM Drives Mac OS 8.6 does not support start-up volumes based on DVD-RAM media.

If you install Mac OS 8.6 on a DVD-RAM volume you will not be able to boot your Macintosh from that volume. Apple Multiple Scan 15 Newer versions of the Apple Multiple Scan 15 will not support 512x384 resolution. The Mac OS will notify you when your monitor does not support a particular resolution. File Synchronization control panel The File Synchronization control panel may crash if any of the folders or volumes in the window have a custom icon. You can remove a custom icon from a folder or volume by selecting it, Get Info on it (Command-I), select the icon in the upper left hand corner, and type Command-X. Apple HD SC Setup program After you install Mac OS 8.6, you cannot use the obsolete Apple HD SC Setup program to initialize your Apple hard drive. Use the Drive Setup program supplied with Mac OS 8.6 instead.

Apple language kits and Mac OS 8.6 Apple's language kits require an updater for full functionality with Mac OS 8.6. If you have language kits installed on an older system you are updating, or if you install a language kit after installing Mac OS 8.6, be sure to run the Language Kit Updater, located in the CD Extras folder of your Mac OS 8.5 CD. This is the same version of the Language Kit updater for Mac OS 8.5.

If you are updating from Mac OS 8.5, and have already updated your Language Kit, you do not need to run the Language Kit Updater again after updating to Mac OS 8.6. Applications that install QuickTime Some applications replace the version of QuickTime installed by Mac OS 8.6 with an earlier version when they are installed.

This will cause problems with other parts of the system that require features of the newer version of QuickTime. If this occurs, you will need to reinstall QuickTime from the Mac OS 8.6 CD by selecting 'Add/Replace' in the installer, and then doing a custom install. Connectix Virtual PC and Mac OS 8.6 Connectix Virtual PC 2.1.1 and earlier (including version 1.X) are not compatible with Mac OS 8.6 and users should update to version 2.1.2 or later. Desktop Printing extension and Mac OS 8.6 The Desktop Printing extension is incompatible with Mac OS 8.6.

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It may cause your computer to freeze when starting up. Restart with the shift key held down and remove the file from the Extensions folder, then restart. Solomon's Virex and Mac OS 8.6 Dr. Solomon's Virex versions 5.9 and earlier are not compatible with Mac OS 8.6 if the Virex 'Scan Files When Opened' option is turned on. For more information on upgrading to Virex 5.9.1, contact Dr. Solomon's software at virex-tech@drsolomon.com or. Iomega 6.0.2 driver Mac OS 8.6 includes support for the use of removable media (like the Iomega Jaz drive) for Virtual Memory.

If you wish to install Mac OS 8.6 onto a Zip or Jaz disk, you should change the backing volume used by Virtual Memory to a non–removable volume. To do this, disable extensions while restarting the first time by holding down the shift key. Open the Memory control panel and turn on Virtual Memory. The Memory control panel will let you set the VM backing volume to a volume that is compatible with VM. On some Powerbook models, mounted Zip disks won't show up as mounted in the Media Bay Control Strip module but they are mounted and will appear on the desktop.

Some programs may require Additional Memory Some programs may require additional memory when used with Mac OS 8.6. If a program will not open, select the program's icon, choose Get Info from the File menu and increase its minimum memory allocation by 300K. See the Memory topic in Mac OS Help for more information. Notes about Printing. Reinstalling printer drivers If you perform a clean installation of Mac OS 8.6, and an icon for your printer is not available in the Chooser, you may need to reinstall the software that came with your printer. If you have a StyleWriter, StyleWriter II, or StyleWriter 1200, you should use the StyleWriter 1500 driver that comes with Mac OS 8.6 instead of installing your original printer software. If you have a Color StyleWriter 2200 or Color StyleWriter 2400, you should use the Color StyleWriter 2500 driver instead.

After performing a clean install of Mac OS 8.6, you may need to reinstall fonts that came with your printer software. If you use a Color StyleWriter 4000 Series printer and have performed a clean install of Mac OS 8.6, you must custom install your printer driver. LaserWriter 8.6.5 and USB printers LaserWriter 8.6.5 adds support for printing to USB-compatible PostScript printers, but additional hardware may be required to connect your printer to the USB port of your computer.

Contact your printer manufacturer to determine the USB compatibility of your printer. Miscellaneous notes. QuickTake 150 software installs old version of QuickTime PowerPlug extension Mac OS 8.6 includes a new version of the QuickTime PowerPlug for computers with PowerPC microprocessors.

The QuickTake 150 Installer replaces it with an older version (version 2.0). To install the QuickTake 150 software, first remove the newer version of the QuickTime PowerPlug extension from the Extensions folder (within the System Folder) then install the QuickTake 150 software.

After installation is finished, drag the PowerPlug file back to the Extensions folder replacing the older one. QuickTake Image Access When you are copying pictures from a QuickTake 100 or QuickTake 150 camera to your computer, make sure all the pictures you want have finished copying before you erase the contents of the camera. Previously, you couldn't erase the camera until copying was completed. Mac OS 8.6 can perform other tasks while copying files so it's possible to accidentally erase the pictures before they have been copied from the camera. You cannot recover a picture once it is erased from the camera.

Using Acrobat PDF documents Some of the manuals included with Mac OS 8.6 are in Adobe Acrobat format. These files have “pdf” at the end of their names. To view or print these documents you must install Adobe Acrobat Reader, located in the Adobe software folder on the Mac OS 8.6 CD.

Infrared Hardware on iMac's If your iMac does not have infrared hardware, you will get an error when launching the infrared Control Panel. Emulating this? It should run fine under.

CONTENTS Many developers have contacted Apple's Worldwide Developer Support group asking about Mac OS and Mac OS X Server support for the Euro currency symbol. This Technote attempts to gather all of the available information from Apple and also points to various sites on the internet that deal specifically with this new currency symbol. Updated: Sep 14 1998 What is the Euro and what does it look like?

The Euro currency symbol The Euro is the name of the proposed single currency symbol for the European Union. According to the European Union, the Euro is scheduled to exist as banking currency beginning on January 1, 1999, and it will move into more general use with the introduction of coins and notes on January 1, 2002. We recommend that all developers add support for the Euro now to prepare for its launch in 1999. For more information on the Euro, please see. Unicode and the Euro As stated by the Unicode Consortium's Unicode: 'The Euro character is encoded in the Unicode Standard as U+20AC EURO SIGN. To avoid confusion, the historical character U+20A0 EURO-CURRENCY SIGN has been updated with an informative note and a cross reference to U+20AC EURO SIGN.'

Please see the Unicode Consortium's Unicode for more detail. Mac OS Support - Fonts and Printing Mac OS Fonts The standard European glyph, as designed and specified by the European Union in Brussels, has been added to all of Apple's Mac OS fonts to be distributed with Mac OS 8.5, due out later in 1998. Under Mac OS 8.5, you will find the Euro glyph in the following fonts: Apple Chancery, Capitals, Charcoal, Chicago, Courier, Gadget, Geneva, Helvetica, Hoefler Text, Monaco, New York, Palatino, Sand, Skia, Symbol, Techno, Textile, and Times. In all of the fonts listed above, except Symbol, the character has been added at Option-Shift-2 (MacRoman Encoding decimal 219, hex 0xDB), replacing the international currency symbol. The international currency symbol For Symbol, the glyph has been added at Option-t (MacRoman Encoding decimal 160, hex 0xA0, previously unused). The glyph has not been stylized in any of Apple's fonts, i.e., it does not take on the font and style characteristics of the font in which it resides. Apple may stylize this glyph with a future release of the Mac OS, although at this time, Apple is not planning to release the Apple fonts mentioned above outside of the Mac OS 8.5 release.

Third parties, however, do have fonts that contain this Euro glyph if you are not running Mac OS 8.5. Printing LaserWriter 8 LaserWriter 8.6 The changes to the LaserWriter 8.6 driver for supporting the Euro character apply only to Mac-encoded fonts.

A font is considered a Mac-encoded font if the host-based version of the font is marked as a font that requires Mac Encoding (Bit-1 of the font's font classification word is set). The following description only applies to fonts which are marked as Mac-encoded fonts. The LaserWriter driver is responsible for reencoding fonts marked as Mac-encoded fonts so that their encoding corresponds to the Apple-defined MacEncoding vector. Prior to LaserWriter 8.6, the MacEncoding vector contained the name '/currency' at the code point corresponding to Option-Shift-2.

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When imaging the character at the Option-Shift-2 code point in Mac-encoded fonts, drivers prior to LaserWriter 8.6 imaged the character named '/currency' (which corresponds to the international currency symbol). With the introduction of Mac OS 8.5 and LaserWriter 8.6, Apple is redefining this code point in the MacEncoding vector to instead correspond to the Euro character. Therefore, the MacEncoding vector supplied by LaserWriter 8.6 contains the name '/Euro' at the code point corresponding to Option-Shift-2. While Apple is supplying screen fonts which contain the Euro glyph at this code point, a large number of printer-resident fonts do not contain the Euro glyph at all. In order to support the Euro glyph whenever LaserWriter 8.6 encounters the Option-Shift-2 character from a Mac-encoded font, it images the Euro glyph (named '/Euro') from the Symbol font. If the Symbol font does not contain a character named '/Euro', then LaserWriter 8.6 adds it to the existing printer Symbol font prior to any imaging.

This LaserWriter 8.6 behavior is implemented for all Mac-encoded fonts, regardless of what glyph is actually present at that code point in the screen font on the host. Even if the international currency symbol appears on screen, if the font is a Mac-encoded font, the LaserWriter 8.6 driver will image a Euro character on the printed page. The LaserWriter 8.6 driver does not detect which glyph is present in the screen fonts; it simply treats the Option-Shift-2 code point of Mac-encoded fonts as the Euro code point. The behavior for older LaserWriter 8 drivers depends upon the driver and possibly the version of the PrintingLib file. LaserWriter 8.4.x through 8.5.1 The LaserWriter 8.4.x and 8.5.1 versions of the driver use a number of shared libraries contained in the PrintingLib file.

If the version of PrintingLib is any version prior to 8.6, these drivers will continue to print as they have in the past; that is, imaging of the character at the Option-Shift-2 code point in Mac-encoded fonts will image the character named '/currency' (which corresponds to the international currency symbol) in the font on the printer. This occurs regardless of what character appears on screen for that code point in that font. These drivers' behavior will be different if they are used with PrintingLib 8.6.

Since PrintingLib 8.6 uses a MacEncoding vector which contains '/Euro' at this encoding point, and since the older drivers do not image the Euro from the Symbol font, imaging of the character at the Option-Shift-2 code point in Mac-encoded fonts will image the character named '/Euro' in that font on the printer. If the font does not contain a character named '/Euro', then the '/.notdef' character will image instead. This is typically a space or an empty box, as designed by the font designer. This result occurs regardless of what character appears on screen for the Option-Shift-2 code point for that font.

LaserWriter 8.3.x and earlier These drivers do not use the PrintingLib file and always use a MacEncoding vector which contains the name '/currency' at the code point corresponding to Option-Shift-2. That is, imaging of the character at the Option-Shift-2 code point in Mac-encoded fonts will image the character named '/currency' (which corresponds to the international currency symbol) in the font on the printer. This occurs regardless of what character appears on screen for that code point in that font. Other Printer Drivers Raster All raster printer drivers should not have problems printing the Euro character, inside or outside of Mac OS 8.5. Apple's Color StyleWriter series are able to print this glyph without problems. PostScript Third-party PostScript printer drivers may or may not be able to handle printing the Euro glyph contained in our new fonts. If you are having problems printing with a third-party printer driver, please contact the printer driver developer for more information, or try using LaserWriter 8.6 with your PostScript device to get the proper output.

Third-party Font Developers So what should you do with your font to support the Euro so that it shows up on the screen and prints? This depends on whether you are making a PostScript or a TrueType font.

PostScript fonts contain only one resource to be altered: the FOND resource. TrueType fonts contain two resources to be altered: the FOND and the 'sfnt'. The FOND Resource FOND changes to be made There are three things to be checked and edited as necessary in the FOND: Bit-1, Bit-9, and the Glyph reencoding Table. The FOND contains several boolean bit fields, including the font classification word, that form the top portion of the Style Mapping Table in your font. There are two specific bits in the font classification word, Bit-1 and Bit-9, which provide the printer driver with information about the encoding of characters within a font. For detailed information on the Style Mapping Table and these bit settings, please see. 'Encoding', 'Encoding Vector', and 'Natural Encoding': An 'encoding' refers to an arrangement of glyphs within an ordered list of byte codes.

An 'encoding vector' is a two-column table that associates glyphs with byte codes. An 8-bit encoding vector contains 256 entries. The encoding vector enables byte codes in the print stream to be interpreted in terms of glyph names.

E.g.,: byte code decimal 219 is associated with the glyph name 'Euro'. The 'natural encoding' of a font is the encoding vector with which it was originally built. This concept pertains to PostScript fonts as they cannot be built without an original (i.e., natural) encoding vector, whereas a TrueType font has a structure that permits multiple cmaps from the beginning - none of which are more 'natural' than another. When a TrueType font is converted to PostScript, the encoding vector is generated from the currently selected cmap. When a PostScript font is printed, the driver can either use the 'natural' encoding within the font, or impose the Macintosh Standard encoding over the font by reencoding it. Bit-1 and Bit-9 control these encoding choices in the following ways: Bit-1 Bit-1 activates Symbol font substitution by the LaserWriter 8 driver as described in the 'Printing' section of this document. It causes the printer to print certain byte codes using glyphs from the Symbol font instead of the glyphs from the source font.

The 16 byte codes which are subject to the Bit-1 Symbol substitution mechanism are: Glyph post Name Mac Encoding (decimal) ≠ notequal 173 ∞ infinity 176 ≤ lessequal 178 ≥ greaterequal 179 ∂ partialdiff 182 ∑ summation 183 ∏ product 184 ¼ pi 185 ∫ integral 186 ω Omega 189 √ radical 195 ≈ approxequal 197 Δ Delta 198 ◊ lozenge 215 Euro 219 apple 240 Note: If you see the international currency symbol printing in the list above, it means you are using an old system and/or old printer driver. This means that if you have glyphs at any of the code points listed above which you want printed with the glyphs defined in your own source font, you must turn Bit-1 off. This will deactivate substitution of ALL the above listed glyphs. Consequently, with Bit-1 off, it is then your responsibility to ensure that the glyphs in your font correspond to the encoding you intend. If Mac Standard Encoding is intended, you must have all of the above Symbol glyphs present in your font in their correct positions - including the Euro, of course. Bit-1 set to on in combination with Bit-9 set to off also marks the encoding as 'Macintosh Standard Encoding'.

In this case, the printer driver generates the Macintosh Standard Encoding vector for the font. Bit-9 Bit-9 makes the driver read a custom encoding table in the FOND. The entries in this table then update the natural character encoding of the font. Note that setting Bit-9 affects the interpretation of Bit-1 because it deactivates Macintosh Standard Encoding as described above.

The natural encoding of a font is the one it was generated with. This will typically also be Macintosh Standard Encoding if it was generated for the Macintosh with a normal development tool like Fontographer.

Please note, however, that it may not be - the natural encoding could be the Adobe Standard Encoding or it could be any other made by specialist tools or developers. Care should therefore be taken to establish what the natural encoding is when working with Bit-1 off (i.e., Non-Macintosh Standard Encoding).

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If Bit-9 is set there should also be a glyph reencoding vector ('glyph-name encoding subtable') present in the FOND containing the overriding encoding values. Bit-9 normally indicates that the font does not use the default MacEncoding vector. However, in the cases where you want the MacEncoding vector but wish to image the 16 Symbol substitution glyphs with glyphs from your own font, then Bit-1 would be off, Bit-9 would be set, and the reencoding vector would contain the full Standard MacEncoding. If you know your natural encoding exactly, the reencoding vector would contain only the changes necessary to make it MacStandard. Glyph reencoding vector Within DumpFOND text files, the glyph reencoding vector table is labeled the 'GLYPH REENCODING TABLE'. Within Inside Macintosh, it is called the 'glyph-name encoding subtable'. The format and location of the glyph-name encoding subtable in the FOND is described in.

Always declare the Euro in your fonts Because the Macintosh Standard Encoding now has two variations - the old Generic Currency symbol variant and the new Euro variant - a new method other than the encoding name is needed to resolve the variants. This information is necessary for programmers who need to map data in the font to another encoding, such as Unicode, or to another platform.

Binary identical cross-platform data formats are an example. Apple recommends that a reencoding vector containing the 'Euro' be added to the FOND resource for all fonts that contain the Euro, even if it is not used (i.e., Bit-9 is not set). The reason is that this is the most universally available place that applications and system programmers can look to find out if the font contains a glyph for the Euro or the older International Currency Symbol. TrueType fonts declare the 'Euro' in the post table, but PostScript fonts and NFNTs have no such structure. The FOND is the only resource common to all these types of font. Note that as discussed in the earlier section describing LaserWriter 8 printing, LaserWriter 8.6 does not detect the Euro in the font.

For fonts marked as MacEncoded Fonts, the LaserWriter driver 8.6 always treats the code position decimal 219 as the Euro character. The declaration being recommended here is purely for other applications. Summary of Bit Settings Bit-1 Bit-9 Description 0 0 Download the font exactly as it exists using the natural encoding. 1 0 Replace the encoding vector with Mac Standard encoding including the Euro. Also switch to Symbol.

0 1 Take delta vector supplied and apply as an update to the natural encoding. No switch to Symbol. (Typically used for dingbat and 'pi' fonts such as Carta, Symbol, Zapf Dingbats and Adobe Expert sets.) 1 1 Take delta vector supplied and apply as an update to the natural encoding. Switch to Symbol. Do not apply Macintosh Standard encoding.

(Typically used with Macintosh Roman variant encodings). How to add the FOND reencoding vector To work on the FOND resource, you should consider using DumpFOND and FuseFOND. These are free font tools available from Apple at. Steps to add the FOND reencoding vector: (1) Run DumpFOND to create a text file of the FOND of your font. A complete sample FOND text source of the Geneva font (with all of the tables filled in) accompanies this document. An excerpt is included below to show the Style Mapping Table and the Glyph Reencoding Table (or 'vector').