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- ┌───────────────────────────────────────────────────────────────────────────┐
- │ OS/2 2.0 Technical Tips │
- │ From the │
- │ OS/2 Technical Support Team │
- │ Boca Raton, Florida │
- │ │
- ├───────────────────┬─────────────────────────────────────┬─────────────────┤
- │ File Name │ Description │ Number of pages │
- ├───────────────────┼─────────────────────────────────────┼─────────────────┤
- │ INSTMISC.FAX │ OS/2 Miscellaneous Install Problems │ 2 │
- └───────────────────┴─────────────────────────────────────┴─────────────────┘
-
- MISCELLANEOUS INSTALLATION PROBLEMS
- -----------------------------------
-
- PROBLEM: SYS1200 error when attempting to Dual Boot to DOS with an error
- code indicating that the DOS environment cannot be created and
- you see an error code - EC=00BF.
-
- RESOLUTION: Ensure that you have not removed or remarked out any of the
- VIRTUAL DOS device drivers. If all else looks in order, rename your
- current CONFIG.SYS to CONFIG.XXX and copy your original CONFIG.SYS
- to the root directory. The original CONFIG.SYS can be found
- in the \OS2\INSTALL directory of the boot drive.
-
- *****************************************************************************
- PROBLEM: Installation on ZEOS notebook fails
-
- RESOLUTION: Follow the following steps:
-
- The fix for this problem assumes that you have access to a
- working copy of OS/2 2.0. Ask your local IBM dealer if they can
- provide an OS/2 2.0 machine for you to use for a few minutes, or
- ask a friend/co-worker with 2.0 installed. Bring your Installation
- diskette with you, along with a blank formatted high
- density 3.5 inch diskette.
-
- Step 1. Open the OS/2 System object on the OS/2 Desktop by
- double clicking with mouse button 1 (usually the left
- mouse button)
-
- Step 2. Open the Command Prompts folder (by double clicking on
- the folder object).
-
- Step 3. Double click on the OS/2 Window Object.
-
- Step 4. You should now be at an OS/2 Command Prompt.
-
- Step 5. Backup your Installation Diskette to the blank 3.5 inch
- high density diskette you brought with you. Enter the
- following command at the pronpt: DISKCOPY A: A:<enter>
- and follow the prompts.
-
- Step 6. With your backup diskette in the drive, enter the fol-
- lowing: PATCH SYSINSTX.COM<enter>
-
- Step 7. When asked for the offset address, enter: 96AF<enter>
-
- Step 8. On the line that is shown, enter 45 to replace 44 as
- the first byte in the line and then press <enter>.
-
- Step 9. When asked if you wish to apply patches, answer: Y
- <enter>.
-
- Step 10. At the OS/2 Command prompt again, enter: SYSINSTX A:
-
- Step 11. Install OS/2 on your ZEOS using the patched backup
- Installation Diskette.
-
- Step 12. The patch MUST be applied using OS/2. If it is not
- available, a diskette with the patch applied can be
- sent to you from IBM by calling the OS/2 support phone number.
-
- ***************************************************************************
-
- MEMORY PROBLEMS
-
- Symptom: Trap 2, Trap 6 or other Trap with reported location 60000x:9084.
-
- These problems are caused by:
-
- A) Mismatched memory simms (from different manufactures) -
- this is especially common if you recently added memory to
- your system, or if it was assembled from parts (not a
- recognized brand of clone).
-
- B) Mismatched memory simms (different classes) 1x9 simms
- cannot be mixed with 1x3 simms. Also, the 1x9 simms seem
- to be more reliable than the 1x3 simms.
-
- C) Slow memory on 486 machines (you may need 60 or 70ns
- memories).
-
-
- Solution: You should try replacing memory modules first. You may also want
- to try changing the number of wait states if your system supports that. Other
- options are turning off/on the turbo switch on some machines or disabling the
- memory cache.
-
- *******************************************************************************