Lenovo ThinkPad 560 Thinkpad 560 User's Guide - Page 201

Appendix A. Avoiding Hardware Conflicts This appendix, listing the default and optional hardware settings, describes how to avoid system resource conflicts. It also describes how to do a network remote program load and how to start the computer from an ATA PC Card. Avoiding System Resource Conflicts ThinkPad Features program: Page 29. When a new option such as an adapter card is installed, the computer might not operate correctly because of conflicting settings for IRQ (interrupt) levels, I/O addresses, DMA channels, and memory addresses. To avoid these resource conflicts, you must know the hardware requirements, such as IRQ level and I/O addresses, for each option and program as shown in their manuals. Then you must check the current resource allocations for the computer and your expansion unit, and select the available resource values by using the ThinkPad Features program. When you want to install a new Ethernet PC Card in the computer, you need to assign an IRQ for the PC Card. An Ethernet PC Card generally requires IRQ5 as a default interrupt level; however, IRQ5 has already been occupied by the ESS AudioDrive in the computer. You need to disable the ESS AudioDrive when you use the Ethernet PC Card as follows: 1 Install the Ethernet PC Card in the PC Card slot. 2 Open the ThinkPad Features program and click on the PC Card ( ) icon. 3 Click on the Auto Config button. Copyright IBM Corp. 1996 183