🚀 go-pugleaf

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In article <523@mtfuji.gw.u-tokyo.ac.jp> miyazaki@olympus.Princeton.EDU (Takeshi Miyazaki) writes:
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<><><><>
------------------------------------------ Macintosh System Software 7.0.1

Macintosh System Software 7.0.1 is a hardware support release for Apple's new
Macintosh PowerBook 100, 140, and 170, Macintosh Quadra 700 and 900, and the
Macintosh Classic II. System 7.0.1 contains only software changes from System
7.0 necessary to support the new Macintosh CPUs and is not a recommended
upgrade for the current installed base of Macintosh users. 

While 7.0.1 is required for the six new Macintosh CPUs, it is compatible with
all Macintosh models from the Macintosh Plus and later. It's minimum
requirements are the same as System 7.0. That is, System 7.0.1 will run on all
Macintosh computers with at least 2 megabytes (MB) of random-access-memory
(RAM) and a hard disk. Those users wishing to take advantage of virtual memory
(VM) must have a memory management unit (MMU) or an 030 processor or better in
their CPU. Macintosh computers running System 7.0.1 can co-exist on networks
with System 7.0 and System 6 (with updated System 7 printing software). 

The following differences from System 7.0 to System 7.0.1 are to support the
new hardware. 

* Virtual Memory The VM code has been restructured to support the new 68040
machines. Performance and compatibility are not significantly different from
System 7.0. 
 
* SANE There is a new version of the SANE code to support the new 68040
machines. The new 68030 machines have the latest version of 030 SANE which is
now also present on all existing 030 CPUs (IIx,IIcx,IIci,IIsi,SE/30,IIfx). 

* Control Panels The following new control panel versions have been added to
the system to support the new hardware features. 

Battery Better visual display of battery life. This is observed on the
Macintosh PowerBooks and Portables. 

Memory Support for "RAM disk" feature available with the Macintosh Quadras and
Notebooks. This feature is not displayed or available on the Macintosh Classic
II or on other models of Macintosh computers. 

The previous version of the Memory control panel would let users reduce the
size of the VM backing store (by reducing VM) immediately (before re-boot).
This change now occurs after re-boot and has been included in this new version
of the Memory control panel. 

Portable The following options are available: 
    - Automatic Wake Up feature 
    - Modem (if internal modem installed) 
    - SCSI select feature (PowerBook 100 only) 
 	       Allows the PowerBook 100 to become a SCSI device 

The contrast and brightness option has been removed from the Portable control
panel on the PowerBooks as these functions are controlled by physical controls
on the PowerBooks themselves. This control panel is observed on all Macintosh
Portables and PowerBooks. 

Caps Lock Extension This feature is only available on the PowerBooks. The Caps
lock indicator panel places a visual indicator of the state of the Caps Lock
key on the right end of the menu bar. 

Cache Switch Control Panel (Currently called the CacheControl) Installing this
control panel allows the user to disable the caches on the 040 Macintosh
computers. This control panel will only be documented as part of the In-Box
compatibility list for the Macintosh Quadra computers and will not be
automatically installed or included as part of the pre-installed software. The
user will have to drag install the control panel from the Tidbits disk. 

Disabling the processor's caches will enable the user to run some 040
incompatible applications, but the Macintosh will run slower. The Cache Switch
is a temporary solution to address application compatibility on the 040
Macintosh computers and will be removed in a future version of the system
software. 

The following change has been added to System 7.0.1 

* System Font Purging The system fonts were marked unpurgeable in System 7.0.
These have now been marked purgeable under 7.0.1. There is very little observed
difference when using system fonts in standard documents.

------------------------------------------ System 7.0.1 Change Overview 
 
October 1991 
 
CDEVs/Extensions: Memory: RAM Disk support on Quadra and PowerBook machines.
Support for RAM Disk on Macintosh Portable has been moved from the Portable
CDEV to Memory. Minor internal changes have been made to all of the "panels"
inside memory. Specifically, the VM and RAM Cache "panels" have been updated to
work correctly with the new RAM disk and to work with the existing RAM disk on
Macintosh portables. The previous version of the Memory control panel would let
users reduce the size of the VM backing store (by reducing VM). This change
would take effect before re-boot. This has been corrected under 7.0.1 to not
occur until reboot. 
 
Portable: The screen brightness and contrast sliders previously found in
Portable have been removed. The PowerBook family has hardware controls on the
front of the machine to control contrast and brightness. For the Classic
family, Macintosh Portable, and PowerBook 100, a dedicated CDEV called
"Brightness" provides users of those machines with control of the overall
screen brightness. RAM disk controls for Macintosh Portable previously found in
"Portable" have moved to "Memory." 
 
Portable supports internal modems in PowerBook 140 and 170 as well as in
Macintosh Portable. 
 
Brightness: The brightness CDEV supports Macintosh Portable, Classic, Classic
II, and PowerBook 100 computers. The CDEV is a simple slider that controls
overall screen brightness. 
 
Network: Minimal changes to support on-board Sonic Ethernet for the Quadra
family have been made to Network. 
 
Battery: Battery has been updated to work with the PowerBook family-it also
sports a new look. Battery now provides users with a button to put the computer
to sleep immediately. 
 
Caps Lock: The Caps lock indicator panel places a visual indicator of the state
of the Caps Lock key on the right end of the menu bar. Only available on
PowerBooks. 
 
File Sharing Extension: An internal 4k file sharing buffer has been increased
to 5k in size. With the increased performance of the Quadra family built-in
Ethernet, a slightly larger buffer increased the file sharing throughput by 2
times on those computers. 
 
Cache Switch: A CDEV for the Quadra machines that enables the user to disable
or enable the 68040 caches was added to the system. The CDEV simply sets a PRAM
byte and the System does all the work at the next boot. 
 
A/ROSE: Includes general 68040 compatibility changes. 
 
DAL: Includes general 68040 compatibility changes. 
 
HD SC Setup: Minor changes to support new hardware and to change a format-time
mode select were made. 
 
System File OS: Keyboard patch wakes up sleeping Putter (Macintosh Classic)
keyboards. 
 
Support for the 53C96 SCSI chip found in the Quadras and PowerBooks 140 and
170. A boot time linked patch was added to wait for all SCSI drives connected
at that time of the previous boot to spin up before the boot continues. Quadra,
PowerBook 140 and 170 only. 
 
Minor LocalTalk changes for 68040 compatibility. 
 
Minor changes to Gestalt 'lram', 'ram ', and 'kbd ' selectors for RAM
disk/PowerBook keyboard support. 
 
Updated _hwPriv CPU cache management and dispatch routines. 
 
Updated keyboard maps for "Key Caps" (PowerBook keyboard). 
 
Support for the new PowerBook 140, 170 power manager 
 
Startup code inhibits 68040 cache depending on setting of Cache Switch CDEV. 
 
Bit mapped system fonts were marked unpurgeable in System 7.0. These have now
been marked purgeable under 7.0.1. 
 
ToolBox: SANE (Standard Apple Numerics Environment) performance has been
improved via backpatching. The new SANE is functional on all machines with a
IIci class universal ROM and a Floating Point Unit. Occasionally noticeable in
applications that use SANE on machines with a FPU. 
 
The Disk Initialization Package will now create an MFS disk when the size of
the volume is exactly 800 blocks (400k), instead of doing so on sizes less than
or equal to 800 blocks. This is to prevent RAM disks that are smaller than 800
blocks from being formatted as MFS volumes. It is impossible to create a RAM
disk with exactly 800 blocks. 
 
The Notification Manager has been changed to call IdleUpdate when NMInstall is
called (on portables) to wake the system up when a notification is about to be
posted. 
 
Support for enabling powerdown messages on Quadra 900 and RAM disk "has files
on it and will be erased if you shut down" warning code have been added to the
Shutdown Manager. Also, all open video drivers are closed before the power is
killed at _Shutdown. 
 
Support for Quadra and PowerBook sound hardware and internal sound input source
selection has been added to the Sound Manager. 
 
The backlight driver has been upgraded to work with the PowerBook family. 
 
SetHandleSize was fixed for all 32-bit memory managers. 
 
General: Various strings and dialogs required in the support of the new CPUs
have been added to the system. 
 
Several minor changes that reduce the overall size of the run time system heap
were made to compensate for the memory required by the new CPU support. 
 
The Installer script file has been substantially revised to address the needs
of the new CPUs. 

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--

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