HP E8491A manual Layout of the Adaptec AHA-8940 1394-to-PCI Host Adapter

12 VDC power connector Internal IEEE 1394 connector

External

IEEE 1394 connectors

Figure 2-1. Layout of the Adaptec® AHA-8940 1394-to-PCI Host Adapter.

WARNING Turn off and disconnect the power to your computer and to any peripheral devices before installing the host adapter.

A.Remove the computer chassis cover to expose the expansion slots and external access covers.

B.Locate an unused, unobstructed PCI bus expansion slot (Figure 2-2) that supports bus mastering. (PCI bus slots are usually white or ivory.) See your computer documentation to determine if the PCI slot supports bus mastering.

14 Interface Installation and Configuration Chapter 2