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DAACAD.FAX
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1994-12-03
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AUTOCAD VERSION 10 + 12 FOR OS/2 2.x 8/11/94
FILE: OSDAACAD.FAX - 7/5/94
TITLE: 940507 AUTOCAD VERSION 10 + 12 FOR OS/2 2.x
RUNNING IN A VDM (DOS) SESSION
******************
AUTOCAD VERSION 10
AutoCAD V10 386 is not compatible with OS/2 2.x. If you
want to run AutoCAD V10, it must be the Standard AutoCAD V10.
--------------------------------------------------------------
AUTOCAD VERSION 12
1. There are several levels of AutoCad V12; C1, C2, and C3.
AutoCAD V12 must be at level C2 or C3 in order to run under
an OS/2 2.1 DOS session.
2. There is a fix that is available from AutoDesk that will update
level C1 to level C2. The number for AutoDesk is (206)487-0490.
See below for details "PHARLAP DOS EXTENDER FOR AUTOCAD V12 C1".
3. In order to get optimum performance of AutoCAD under OS/2, make
the following changes to your OS/2 DOS Full Screen Session settings.
DOS_FILES = 50
DPMI_MEMORY_LIMIT = 64
HW_TIMER = ON
IDLE_SECONDS = 60
IDLE_SENSITIVITY = 100
EMS_MEMORY_LIMIT = 0
XMS_MEMORY_LIMIT = 0
DOS_HIGH = ON
DOS_UMB = ON
VIDEO_8514A_XGA_IOTRAP = OFF (8514 and XGA video card users)
---------------------------------------------------------------------------
PHARLAP DOS EXTENDER FOR
AUTOCAD V12 C1
THE AutoDesk AutoCAD Release 12 PharLap Patch is supported
and up on Compuserve in the ACAD Forum. It is in the
WHAT'S NEW library. The filename is OS2PCH.ZIP.
Either type GO ACAD or just ACAD to get to the forum.
Customer must have IBM's Service Pak XRO6200 or XR06300
OS/2 2.1, or XRO6100 for OS/2 2.0 installed in order to be
able to run AutoCAD V12 C1 in an OS/2 VDM (DOS) session.
NOTE: To obtain the IBM Service Pak, you will need to get
it directly from IBM. For more information about
this Service Pak, call IBM at 1-800-992-4777.
===============================================================
A new PharLap DOS Extender, version 4.1-ACAD2, when accompanied
with the OS/2 Service Pak from IBM, allows AutoCAD V12 C1
to run in an OS/2 2.0 or OS/2 2.1 Full Screen DOS session.
by Autodesk Product Support
November 2, 1992
DOS Extender 4.1-ACAD2 is an update to version 4.1-ACAD which
AutoCAD V12 C1 currently uses. The DOS Extender is an integral
part of AutoCAD.
DOS EXTENDER 4.1-ACAD2 BENEFITS
====================================
* Ability to run AutoCAD V12 C1 in a full screen OS/2 DOS session.
NOTE
====
This update need only be done if you are interested in running
AutoCAD V12 C1 in an OS/2 2.x DOS session. The environment for
running AutoCAD in an OS/2 Dos session is very similar to running
within a DOS session under Windows 3.1. Please refer to the section
"Running AutoCAD 386 under Windows" in the Release 12 Installation
and Performance Guide.
It is also necessary to update the display driver "RCPSVADI.EXP."
This is more commonly known as the "SVADI" driver. A new version
of this driver is enclosed on the update disk as well.
----------------------------------------------------------------------
INSTRUCTION TO UPDATE AUTOCAD 12 C1
TO USE DOS EXTENDER 4.1-ACAD2
A program called NEWDX.EXE has been supplied on the enclosed DOS
Extender update disk. NEWDX will remove DOS Extender 4.1-ACAD from
AutoCAD V12 C1 and replace it with version 4.1-ACAD2.
NEWDX will work with AutoCAD R12 C0 and AutoCAD R12 C1. If you
are using a digitizer, we recommend that you upgrade to AutoCAD
V12 C1 for improved digitizer performance.
This procedure should be done on the installed copy of AutoCAD V12 C1,
and NOT on the original floppies. The operational steps are as
follows:
1. Change directories to your AutoCAD V12 C1 executable directory.
CD\ACAD
2. Back up your copy of ACAD.EXE
COPY ACAD.EXE ACADSAV.EXE
3. Copy the DOS Extender update program into the executable
directory
COPY A:NEWDX.*
4. Execute the program NEWDX.EXE
NEWDX ACAD.EXE
5. NEWDX preserves any DOS Extender switch settings that you may
have had in the earlier version of the DOS Extender.
6. If for any reason you encounter problems with DOS Extender
version 4.1-ACAD2, simply copy back the saved executable into
ACAD.EXE.
COPY ACADSAV.EXE ACAD.EXE
7. Update the "RCPSVADI.EXE" driver.
CD\ACADR12\DRV
COPY RCPSVADI.EXE RCPSVADI.SAV
COPY A:RCPSVADI.EXE
The updated driver contains a workaround for an OS/2 bug.
It will work fine on all environments.
VIDEO RESOLUTION
Run AutoCAD V12 C1 at 600x480x16 or 800x600x16 display resolution.
Higher resolutions or more colors may cause problems unless the
display driver has an intelligent screen grabber.
GENERAL OS/2 SYSTEM REQUIREMENTS
OS/2 runs AutoCAD V12 C1 much better with 16MB than 8MB. The
time between applications is much better. Even more memory may
be required if you wish to run multiple sessions of AutoCAD.
Report by: OS/2 Dosap Analyst Team - 07/94
IBM - Boca Raton, Florida
12/31/99