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1997-01-01
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OS/2 DEVICE DRIVER FOR IBM ThinkPad 755 with
WD90C24 GRAPHICS CONTROLLER
This package contains the following:
o An OS/2* graphics controller driver supporting
the 90C24 chip set from the Western Digital**
Corporation.
o This README file,
- Use the Table of Contents to
help you locate specific topics.
- Use the Find option in the Edit menu of the
OS/2 System Editor to help you locate
specific information.
- Print the file.
IMPORTANT
PLEASE READ THE FOLLOWING TERMS AND CONDITIONS. YOUR
USE OF THE OS/2 DEVICE DRIVER FOR WD90C24 GRAPHICS
CONTROLLER INDICATES YOUR ACCEPTANCE OF THE FOLLOWING
TERMS AND CONDITIONS:
o YOU MUST BE A LICENSEE OF OS/2.
o YOU MAY MAKE COPIES OF THE OS/2 DEVICE DRIVER FOR
WD90C24 GRAPHICS CONTROLLER EQUAL TO THE
NUMBER OF LICENSED COPIES OF OS/2 YOU POSSESS.
o ALL OTHER TERMS AND CONDITIONS OF YOUR OS/2
LICENSE AGREEMENT APPLY TO THIS OS/2 DEVICE
DRIVER FOR WD90C24 GRAPHICS CONTROLLER;
HOWEVER, THIS DOES NOT EXTEND ANY WARRANTY
OUTLINED IN SUCH AGREEMENT.
CONTENTS
________
1.0 Supported Features
1.1 Supported Resolutions
1.2 Supported Adapters
2.0 Compatibility
3.0 Preliminary Steps
4.0 Installation from Diskette
5.0 Installation in a CID Environment
6.0 Functional Restrictions
6.1 Functional Restrictions for
Laptop Computers
7.0 Setting Your Display to VGA Mode
8.0 APARs Included in This Driver
9.0 Trademarks
1.0 SUPPORTED FEATURES
__________________
The WD90C24 device driver provides seamless
support for accelerated display graphics and advanced
color resolutions when used with the minimum required
video memory. It conforms to the OS/2 32-bit flat
memory model and is designed to function as a 32-bit
Presentation Manager* graphics display driver under
the OS/2 32-bit graphics engine. This driver has
been enabled for use with the IBM* Distributed Console
Access Facility* (DCAF) product.
1.1 SUPPORTED RESOLUTIONS
This video device driver supports these resolutions
and color depths:
Number of Video Memory
Resolutions Colors Required
640x480 256 1MB
800x600 256 1MB
1024x768 256 1MB
640x480 65,536 1MB**
800x600 65,536 1MB**
**Only on laptops that support 64K colors.
1.2 SUPPORTED ADAPTERS
IBM has tested IBM display adapters and
systems containing the WD90C24 chip set with the
specified amount of memory.
For a comprehensive listing of all other major manufacturing products
that have been tested by IBM and are OS/2 compatible,
refer to the "OS/2 Hardware Compatibility
List" book. This book is available electronically on the following
Bulletin Board System:
IBM National Support Center BBS (data connection: 919-517-0001)
NOTE: The compatibility hardware test information supplied is provided for
information purposes. IBM makes no warranty, express or implied,
with respect to the operation of OS/2 on the personal computers listed.
2.0 COMPATIBILITY
_____________
This graphics accelerator driver is compatible with
OS/2 2.1, 2.11, OS/2 for Windows, and OS/2 Warp Version 3.
3.0 PRELIMINARY STEPS
_________________
The following steps prepare your computer for the
WD90C24 graphics controller device driver.
1. You must have OS/2 DOS Support installed in order
to install this driver.
2. If you previously installed SVGA support, return
to VGA resolution using the procedures in
"Setting Your Display to VGA Mode" later in this
README before you install this driver.
3. Be sure to copy the VESA** program supplied with
your system or video adapter and update your
AUTOEXEC.BAT file to get support for high
resolution and high-color modes.
4. Install the "ThinkPad Features" icon and utility by using
the "Install2.exe" program located on your video features
diskette. Configure your ThinkPad with the utility to
support the resolutions and refresh settings you desire.
Refer to the readme file on the video features diskette
for more information.
4.0 INSTALLATION FROM DISKETTE
__________________________
To install the WD90C24 device driver from
diskette, do the following:
1. Insert the WD90C24 diskette into drive A (or
any other diskette drive).
Note: This diskette should have a volume label of
"WD2431 1". To verify, use "Label A:".
2. Open an OS/2 full-screen or OS/2 window session.
3. At the OS/2 command prompt, type the following
command to copy all necessary files to the OS/2
drive:
A:SETUP A: C:
(where A: is the diskette drive, and C: is the
drive where OS/2 is installed.)
Then press Enter.
4. When prompted to do so, remove the diskette from
drive A, perform a shutdown, and then restart
your computer.
5. Open the OS/2 System folder.
6. Open the System Setup folder.
7. Open the Display Driver Install object.
When the Display Driver Install window appears,
select Primary Display Driver and then select OK.
8. When the Display Driver Select window appears,
select "Western Digital 90C24 (IBM BBS)"
to install the BBS video driver.
9. When the Monitor Configuration/Selection Utility
window appears, the "Install Using Defaults for
Monitor Type" choice is preselected.
Accept this choice.
Then select OK.
10. When the Source Directory pop-up window appears,
insert the WD90C24 diskette into drive A.
Then select Install.
NOTE: At this point, DSPINSTL determines the
hardware configuration by creating the
\OS2\SVGADATA.PMI file.
This process can take
several seconds and will black-out the screen.
11. When the installation is complete, do the
following:
a. Open the OS/2 System folder.
b. Open the System Setup folder.
c. Open the System object.
d. When the Settings notebook appears, select
the Screen tab.
e. Select a resolution. Then close the
notebook.
f. Perform a shutdown and restart your computer.
Note that during the installation of this driver,
DISPLAY.LOG and DSPINSTL.LOG files are created in the
OS2\INSTALL directory. These files identify the OS/2
system files that were updated and indicate whether
the installation was successful. The contents of
these files might be useful if you need to report an
installation problem to IBM.
5.0 INSTALLATION IN A CID ENVIRONMENT
_________________________________
NOTES:
1. The server must contain a directory named WD_DRVS
on the same drive where the OS/2 diskettes
reside. The WD_DRVS directory must contain all
of the files from the WD90C24 device driver
diskette.
2. OS/2 must have been successfully installed on the
client using the CID (Configuration Installation
Distribution) method.
To install the WD90C24 device driver using CID,
use the following information to modify your LCU
command file.
NOTE: The following information is meant as a guide.
Your LCU command file might be different.
/*****************************************************/
/* LCU PRODUCT DATA SECTION */
/*****************************************************/
.
.
.
x.wdvideo = 15
x.15.name='WD Video'
x.15.statevar = 'CAS_' || x.15.name
x.15.instprog = 'x:\img\wd_drvs\SETUP.CMD',
' x:\img\wd_drvs ' || bootdrive || ' CID'
x.15.rspdir = ''
x.15.default = ''
x.wddspinstl = 16
x.16.name='WD CID Dspinstl'
x.16.statevar = 'CAS_' || x.16.name
x.16.instprog = bootdrive || '\os2\install\DSPINSTL.EXE',
' /pd:' || bootdrive || '\os2\install\wdc24bb.dsc',
' /s:x:\img\wd_drvs',
' /t:' || bootdrive,
' /res:640x480x256',
' /u'
x.16.rspdir = ''
x.16.default = ''
/*---------------------------------------------------*/
/* NUMBER OF PROGRAMS SET UP IN THE */
/* PRODUCT DATA SECTION */
/*---------------------------------------------------*/
NUM_INSTALL_PROGS = 16
/*****************************************************/
/* INSTALLATION SECTION */
/*****************************************************/
.
.
.
when OVERALL_STATE = 2 then do
if RunInstall(x.wdvideo) == BAD_RC then exit
Call RebootAndGotoState(3)
end
when OVERALL_STATE = 3 then do
if RunInstall(x.wddspinstl) == BAD_RC then exit
Call CheckBoot
end
.
.
.
/******************************************************/
/* ROUTINE SECTION */
/* The following information should already exist in */
/* the LCU command file. */
/******************************************************/
.
.
.
RebootAndGotoState:
parse arg new_state, other
rc2 = SetState(new_state, 'RebootAndGotoState', 1) /* Set the state */
/* to go to in */
/* OVERALL_STATE */
Call SaveStates /* Save the environment vars */
Call Reboot /* Reboot the machine */
return
.
.
.
/*****************************************************/
END OF LCU INFORMATION TO BE ADDED
/*****************************************************/
Following is an explanation of the line that is
executed in the LCU command file:
C:\OS2\INSTALL\DSPINSTL /PK:SVGA /SK:NONE /S:X:\
/T:C: /MC:4 /res:640x480x256
C:\OS2\INSTALL\DSPINSTL /pd:c:\os2\install\wdc24bb.dsc
/S:X:\img\wdc_drvs /T:C: /res:640x480x256 /u
/pd:c:\os2\install\wdc24bb.dsc
This is the dsc laid down during setup phase
/S:X:\img\wdc_drvs
Where X:\img\wdc_drvs is the redirected source path.
/T:C:
Where C: is the drive where OS/2 is installed.
/res:640x480x256
This is a resolution/color depth from the list
of "Supported Resolutions" that appears earlier in this README.
/u means Unattended installation.
NOTES:
1. Be sure you have the stated video memory
required, as listed in "Supported Resolutions"
earlier in this README. A safe choice is
640x480x256. Any of the listed resolutions can
be selected, but your display might be damaged if
you select a resolution that your display does
not support.
2. After the WD90C24 device driver has been
successfully installed on the client machine
using the CID method and the client machine is
restarted, the resolution will be as specified by
command line argument.
3. After the CID install, refer the end user to
4.0 INSTALLATION FROM DISKETTE step 11.
6.0 FUNCTIONAL RESTRICTIONS
_______________________
o The WD90C24 driver does not support 16 million
color mode.
o To avoid a general protection fault while loading
Ventura Publisher** for Windows**, be sure it is
in one of the 256 color resolutions.
o WordPerfect** Versions 5.1 and 5.2 for Windows
produce a general protection fault when the
"Print Preview" option is selected while using
800x600x64K color mode.
o Users of the software motion video feature of
MMPM/2* should expect satisfactory results in
256-color modes. However, in 64K-color modes,
OS/2 2.1 users of the feature will experience unusual
results. An OS/2 pervasive fix package is
available electronically (request fix package XR06200).
The associated APAR PJ11051 is fixed in 2.11 and above.
The software motion feature is not supported in
16 million color modes.
o Distributed Console Access Facility* (DCAF) is
supported in 256-color modes only.
o CorelDRAW** 2.0 will not run in a WIN-OS/2*
window session. It must be run in a WIN-OS/2
full-screen session.
o Micrografx** Charisma** 2.1 will not run in a
WIN-OS/2 window session. It must be run in a
WIN-OS/2 full-screen session.
6.1 FUNCTIONAL RESTRICTIONS FOR LAPTOP COMPUTERS
o To change refresh rates on the ThinkPad, edit the
file called IBMVESA\FRATE.DAT. See
IBMVESA\TPADVESA.DOC for instructions on how to
edit this file.
o On laptop computers with Super-Twisted Nematode
(STN) display, even though 1MB video memory is
shipped with the system, only 0.5MB is
addressable by the software. The other 0.5MB is
used internally by the controller. This will,
therefore, restrict the number of supported
resolutions. Most laptops with STN panels have
model numbers ending with "S."
o Many laptops have a built-in internal display
capable of only a 640x480 resolution when used
during transportation or at remote sites.
However, when connected to an external display at
the office, these systems are capable of 800x600
and 1024x768 resolutions.
To avoid the need to select the lower resolution
prior to leaving the office, the OS/2 device
driver for the WDC24 automatically detects when
the internal display is ON and sets the lower
resolution (even though a higher resolution is
shown as selected on the Screen page of the
System Settings notebook). However, because the
Windows display drivers cannot automatically
detect that the internal display is ON, you must
open the System object, select the Screen page,
change to a lower resolution, and then shut down
and restart your system if you want to use a
WIN-OS/2 window or full-screen session. (If you
do not need to use a WIN-OS/2 session, you do not
need to make the change to the resolution in the
Settings notebook. When the laptop is
reconnected to an external display, the
originally chosen resolution will be used again.)
When using your laptop away from the office, the
System Settings notebook will most likely show
resolutions which are not possible to use on the
internal display. On some laptops, all
resolutions appear in the System Settings
notebook, regardless of which displays were on
when the OS/2 display driver was installed. On
most laptops, the higher resolutions appear in
the System Settings notebook only if the OS/2
display driver was installed while the internal
display was OFF.
o An external display attached to your system can
use resolutions above 640x480 while an internal
display cannot. Whenever you switch to an
internal display, you should change the
resolution to 640x480x256 while the external
display is attached. To change the resolution,
do the following:
1. Open OS/2 System.
2. Open System Setup.
3. Open System.
4. On the Screen page of the notebook, select
640x480x256.
5. Close the notebook.
6. Shut down and restart your computer.
NOTE: If you do not follow the above steps, the
Desktop will automatically switch to the
640x480x256 resolution because the
internal display cannot handle the higher
resolutions. However, Windows
applications running in a WIN-OS/2 window
or full-screen session will have problems
because the WIN-OS/2 session settings
cannot automatically update from a higher
resolution to the 640x480x256 resolution.
The OS/2 Desktop will be functional enough
to correct this situation by using the
above steps. These steps can be done
using either the internal or external
display.
o MODE 132 does not work.
o MODE 40 on an external display will utilize only
half of the screen.
o If your system comes up with a black screen while
the external display is attached, press the
display toggle keys to correct the problem. If
you have an external keyboard attached to your
system, refer to the documentation that came with
your computer for information about the internal
or external display function key.
o If you are using an external display, you might
occasionally encounter a band (usually black)
across the screen when you start the system. To
correct this problem, do the following:
1. Perform a shutdown of your system.
2. Turn your computer off and then on again.
o On the ThinkPad 755CSE: There is a noticable
"moving ripple" effect, especially in the gray areas
of inactive title bars. This can be circumvented
by using different color schemes. In some cases,
running Lockup once clears up the problem.
7.0 SETTING YOUR DISPLAY TO VGA MODE
________________________________
Use the following procedures to return to VGA mode.
o If you are installing this driver on OS/2 Warp,
and you do not have a usable OS/2 Desktop, use
the following procedures to return to VGA mode.
However, if you have a usable Desktop, it is
recommended that you use Selective Install to set
your display to VGA mode.
1. Turn on your computer. If your computer is
already on, press Ctrl+Alt+Del to restart it.
2. When a small white box appears in the upper
left-hand corner of your screen, press
Alt+F1.
3. When the Recovery Choices screen appears,
press V.
4. Run Selective Install to change the Windows drivers.
Your display adapter is restored and can work in
VGA mode. If you want to install a new display
adapter or video device driver, refer to Chapter
16, "Video Procedures," in the User's Guide to
OS/2 Warp.
o If you are installing this driver on OS/2 2.1,
2.11, or OS/2 for Windows, and you do not have a
usable OS/2 Desktop, use the following procedures
to return to VGA mode. However, if you have a
usable Desktop, it is recommended that you use
the Display Driver Install object to set your
display to VGA mode.
- If you installed OS/2 from diskettes, do the
following:
1. Start OS/2 using the OS/2 Installation
Diskette. When prompted, insert Diskette
1, and then press Enter. When the install
options screen appears, press F3 (or Esc)
to exit to a command prompt.
2. Be sure RSPDSPI.EXE is in the
\OS2\INSTALL directory. If it is, go to
step 2. If it is not, insert Diskette 8
into drive A and unpack RSPDSPI.EXE with
the following command:
C:\OS2\UNPACK A:\INSTAID C: /N:RSPDSPI.EXE
(where A: is the drive containing
Diskette 8, and C: is the drive where
OS/2 is installed.)
3. Type C: and then press Enter.
4. Type CD C:\OS2\INSTALL and then press
Enter.
5. Type the following:
RSPDSPI /PK:VGA /SK:NONE /S:A:\ /T:C:
(In /T:C:, C: is the drive where OS/2 is
installed. In /S:A:, A: is the diskette
drive you use to install OS/2.)
Then press Enter.
- If you installed OS/2 from CD-ROM or a LAN,
do the following:
1. Start OS/2 using the OS/2 Installation
Diskette. When prompted, insert Diskette
1, and then press F3 to display a command
prompt.
2. Be sure RSPDSPI.EXE is in the
\OS2\INSTALL directory. If it is, go to
step 3. If it is not, unpack RSPDSPI.EXE
with the following command:
C:\OS2\UNPACK E:\DISK_8\INSTAID C: /N:RSPDSPI.EXE
(where C: is the drive where OS/2 is
installed, and E: is the CD-ROM or LAN
drive.)
3. Type C: and then press Enter.
4. Type CD C:\OS2\INSTALL and then press
Enter.
5. Type the following:
RSPDSPI /PK:VGA /SK:NONE /S:E:\OS2SE21\ /T:C:
(In /T:C:, C: is the drive where OS/2 is
installed. In /S:E:, E: is the CD-ROM or
LAN drive.)
Then press Enter.
8.0 APARS INCLUDED IN THIS DRIVER
______________________________
Some fixed APARs may not be listed. If you received this
driver through the IBM OS/2 support channel and your requested
APAR is not listed, please install the driver, as your
requested APAR is included.
APAR= PJ17068
750CS/755CS BOOTS TO A BLACK SCREEN ON THE LCD AFTER EXTERNAL
MONITOR IN DISCONNECTED. HAVING CRT HIGHPERFORMANCE ENABLED.
APAR= PJ17994
750CS/755CS BOOT TO A BLACK SCREEN ON THE LCD AFTER EXTERNAL
MONITOR IN DISCONNECTED UNDER WARP FULLPACK
APAR= PJ16637
IBM THINKPAD IN VGA MODE ALLOWS TESTCASE TO DRAW OUTSIDE THE
AREA GIVEN
APAR= PJ17803
SEAMLESS WINOS2 SESSION ON IBM THINKPAD 755C SPLITS INTO PIECES
RUNNING UNDER OS2 WARP 3.0 FULLPAK IN SVGA. VGA WORKS FINE.
APAR= PJ18129
SELECTING FILE PULLDOWN MENU FROM WINOS2 FULLSREEN SESSION IN
1024*768*256 ON CRT, LEAVES BEHIND COLOR TRACES CAUSING CORRUPTION
APAR= PJ18487
SEAMLESS WINDOWS APPLICATIONS ON LCD WHILE WD3108SL IS STILL SET
TO 1024*768 CAUSES THE MOUSE POINTER TO TURN INTO A 1-INCH BLACK
BLOCK.
9.0 TRADEMARKS
__________
The following terms, denoted by an asterisk (*) in
this file, are trademarks or registered trademarks of
IBM Corporation in the United States and/or other
countries:
IBM
MMPM/2
OS/2
Presentation Manager
ThinkPad
WIN-OS/2
The following terms, denoted by a double asterisk
(**) in this file, are trademarks or registered
trademarks of other companies as follows:
TRADEMARK OWNER
CorelDRAW Corel Corporation
Dell Dell Computer Corporation
Micrografx Micrografx Incorporated
Ventura Publisher Ventura Software, Inc.
VESA Video Electronics Standards
Association
Western Digital Western Digital Corporation
Windows Microsoft Corporation
WordPerfect WordPerfect Corporation
IBM DISCLAIMS ALL WARRANTIES, WHETHER EXPRESS OR
IMPLIED, INCLUDING WITHOUT LIMITATION, THE IMPLIED
WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND
MERCHANTABILITY WITH RESPECT TO THE INFORMATION IN
THIS DOCUMENT. BY FURNISHING THIS DOCUMENT, IBM
GRANTS NO LICENSES TO ANY RELATED PATENTS OR
COPYRIGHTS.
THIS DRIVER IS COPYRIGHTED BY INTERNATIONAL BUSINESS
MACHINES CORPORATION. ALL APPROPRIATE RESTRICTIONS
APPLY.
(End of Document)