Technical information

Appendix A. Avoiding Hardware Conflicts

When options such as the AT adapter or application programs are

installed, the system might not operate correctly because of conflicts

in IRQ (interrupt level), I/O addresses, DMA channel, and memory

addresses.

To avoid these conflicts, you must be aware of hardware

requirements, such as IRQ and I/O addresses, for each option and

program as shown in their manuals. You also must check the

current resource allocations for the computer and the ThinkPad Dock

I or Dock II and select the available resource values.

OS/2

WIN

If you are using OS/2 or Windows, do the following:

Start the ThinkPad Features program.

Select ThinkPad Setup.

Select the icon you want to set up in the ThinkPad

Setup window.

Click on the appropriate resources (IRQ, DMA, or

Memory) to assign for the device.

These changes will become effective when computer power is

turned off and then on again.

DOS

When you are using DOS, do the following:

Use the PS2 command to change the values for devices.

Type PS2 ? at the command prompt; then press Enter.

PS2 command:

Page 41.