Detection Process Stops at 80 Percent Complete During Setup

• Microsoft Windows 95

SYMPTOMS

When you are running Windows 95 Setup on a Dell computer with a PCI bus, the detection process may stop at 80 percent complete. When this occurs, you see the error message "Divide By Zero."

If you restart the computer and use Safe Recovery to finish Setup, more than one logical drive letter may be assigned to a single SCSI drive in the computer. For example, when you try to access drive E you see the contents of drive C instead.

CAUSE

This problem can occur on a Dell computer with a PCI bus and the following configuration:

• The computer has a built-in NCR 810 SCSI controller without an external SCSI connection.
• The computer has a second SCSI controller connected to the same SCSI bus cable as the first SCSI controller. The connection path for the SCSI controllers and devices is as follows:

        Built-in SCSI controller
           |
        Internal devices attached to the built-in SCSI controller (such as
        logical drive C)
           |
        Second SCSI controller
           |
        External devices attached to the second SCSI controller
  
  

RESOLUTION

Use either of the following methods to work around this problem:

• Disable the built-in SCSI controller and use the new controller for all the SCSI devices.
• Use the second SCSI controller only for external devices. Use the built-in SCSI controller only for internal devices. Do not connect the two SCSI controllers to the same SCSI bus.