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Interface Installation and Configuration 17Chapter 2
G. Replace the computer cover. Connect one end of the interface cable to
either of the adapter’s external connectors. You can now turn on the
PC.
Note When power is applied, Windows 95 operating systems may detect the
Adaptec
®
card and indicate that it cannot locate an associated .inf file.
Ignore this message as the .inf file is installed when the HP I_O Libraries
are installed (Step 4).
Note Refer to Chapter 4: IEEE 1394 Fundamentals and Interface Overview for
more information on the Adaptec
®
host adapter.
Where to go Next If you are installing the IEEE 1394 interface for the first time, continue with
“Step 2: Installing the HP E8491A Interconnect.” If the E8491A and your
VXI instruments are already installed, proceed to “Step 4: Installing the
HP I_O Libraries.” Notice that the HP I_O Libraries contain the Adaptec
®
host adapter drivers.
Step 2: Installing
the HP E8491A
Interconnect
The HP E8491A interconnect links the IEEE 1394 bus to the backplane of
the VXI mainframe. The E8491A is a C-size device with VXI Resource
Manager and Slot 0 capability.
There are no configuration switches on the E8491A. The device’s logical
address is 0 and it provides the system’s resource manager functionality via
software that is part of the HP I_O Libraries. Its VXI servant area is 255,
therefore; it is the interface to all VXI devices with logical addresses
between 1 and 255. The E8491A is normally, but not required to be,
installed in mainframe slot 0.
Figure 2-5. Connecting the Power Cable Between the PC and the Host Adapter.
power in
(from system power supply)
power out
(to disk drives)
12V DC power connector
host adapter