H133509 - ADAPTER RESOURCE CONFLICT ON FIRST WINDOWS95 IPL SYMPTOM IBM PC 340 Series 6560 systems preloaded with Microsoft Windows95 may exhibit an adapter installation failure during the initial power on of the system with a LAN Adapter installed. The Windows95 Control Panel will indicate that the LAN adapter is either not present, not working, or not properly installed by displaying a yellow exclamation mark or a red X next to the LAN adapter entry in the Control Panel Device Manager. PROBLEM ISOLATION AIDS: This failure ONLY affects 6560 systems on the very FIRST power- on cycle with the LAN adapter ALREADY installed. Systems that have been previously powered on to IPL Windows95 and powered off will not exhibit this failure when the LAN adapter is installed. The failure ONLY occurs when the LAN adapter is present during the first IPL of Windows95 while the operating system is performing the initial check of the system configuration. FIX: The cause of the failure is that Windows95 sees the single LAN adapter as 2 separate adapters and configures both the actual and the "phantom" adapter with the same system resources. This results in the Control Panel Device Manager marking the "phantom" LAN adapter card icon with either a yellow exclamation mark or a red X. To resolve this failure, perform the following steps: 1) Access the Control Panel Device Manager. 2) Select the "phantom" LAN adapter card. 3) Click on the REMOVE button. 4) Confirm the activity and allow Windows95 to reboot. When the system reboots, the Control Panel Device Manager will correctly indicate that only one LAN adapter card is installed. Windows95 is a trademark of the Microsoft Corporation.