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- Problem: Hang on Disk1 right after LOGO screen
-
- Resolution: Ask the customer if he has an OAK video card.
- An INT10 call is made to the BIOS which causes the problem on OAK cards.
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- You will need to patch the OS2LDR file and make the following changes.
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- Step 1. Make a backup copy of your Install Diskette 1. Use DOS DISKCOPY
-
- if necessary. *DO NOT* perform this modification on your
- original OS/2 2.0 Install Diskette 1.
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- Step 2. Boot DOS, make sure you have DEBUG.COM on that diskette or on your
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- hard drive where you can get to it. Change to the appropriate
- directory if necessary.
-
- Step 3. Insert your backup copy of Install Diskette 1. Type
- DEBUG A:\OS2LDR<enter>
- at the DOS command prompt.
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- Step 4. To unassemble OS2LDR, enter the following command:
- U 4F7C<enter>
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- Step 5. Enter the following:
- e 4F7C<enter>
- CD. will be displayed. You will enter
- 90<space> and
- 10. will be displayed. You will enter
- 90<enter>
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- Step 6. To write changes to the file,enter the following command:
- W<enter>
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- Step 7. To quit debug, enter the following command:
- Q<enter>
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- Step 8. You should now see your DOS prompt. Restart the installation
- using your newly modified backup Install Diskette.
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- Problem: Successful install, but the system hangs on the next reboot
- at the LOGO screen
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- Resolution: Ask the customer if he has a FUTURE DOMAIN 16XX SCSI
- controller. The .ADD file uses interrupt driven I/O rather than
- polling which is used by DOS. An interrupt conflict likely exists.
- You should check all IRQ settings on all cards to find the conflict.
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