OSINAIC7 - AIC7870.ADD DRIVER PROBLEM IN OS/2 WARP 4
10/25/96
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                    AIC7870.ADD Driver Problem in OS/2 Warp 4
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Please Read Entire Document for Full Explanation of Procedures
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DESCRIPTION

After installing OS/2 Warp 4 on a system with an Adaptec 2940 family 
controller, the system stops at the Logo screen during startup.

If you restart the system, pressing Alt-F2 at the white rectangle to 
display device drivers, the system stops at XDFLOPPY.FLT. If you edit 
the CONFIG.SYS file and REM the BASEDEV=XDFLOPPY.FLT statement, the 
system stops at OS2DASD.DMD.

RESOLUTION

1. Obtain an earlier level of the AIC7870.ADD file, by
   downloading WARPINST.EXE from the IBM PC Company Web site 
   at http://www.pc.ibm.com.

2. Restart the system, pressing Alt-F1 when the small white 
   rectangle appears in the upper left corner.
   Press F2 to go to a command prompt.

3. Make a backup copy of AIC7870.ADD:

   At the OS/2 command prompt, change to the \OS2\BOOT subdirectory and 
   type

   COPY AIC7870.ADD AIC7870.BAK, then press Enter.

4. Copy WARPINST.EXE into a temporary directory.

5. Change to that temporary directory, and type 
   WARPINST, then press Enter, to extract the files.  

6. Type COPY AIC7870.ADD C:\OS2\BOOT, then press Enter
   (where C: is the drive letter where OS/2 is
   installed).

7. Restart the system; it should start successfully and have
   access to all of the devices attached to the Adaptec
   controller.

Note: This issue has also been resolved by moving the Adaptec 2940 
      controller to the first PCI slot on the motherboard. Please
      contact your computer manufacturer or Adaptec for assistance. 



warp4
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