3-8 Dell PowerEdge 6100/200 System User’s Guide
7. Insert into drive A the Windows NT 3.51 driver
diskette you created from the Dell Server Assis-
tant CD, enter the following path to the
installation files, and then click OK.
a:\scsi
8. The screen displays the adapter drivers sup-
ported on the diskette. The Adaptec AHA-2940/
AIC-78xx (PCI) NT 3.51 driver is highlighted by
default; click OK.
The driver is added to the list of SCSI adapters.
9. Select Adaptec AHA-2940/AIC-78xx (PCI)
NT 3.51 from the list of SCSI adapters, and click
Install.
At this point, Windows NT Setup checks to see if the
specified driver (aic78xx.sys
)
has already been cop-
ied to the hard-disk drive.
10. If the following message appears, click New to
replace the existing driver and go to step 12.
The driver(s) for this SCSI Adapter are
already on the system. Do you want to
use the currently installed driver(s)
or install new one(s).
If the following message appears, continue to
step 11:
Please <Enter> the full path to the
Windows NT SCSI Adapter files.
11. Change the path to the directory with the desired
device driver (for example, a:\scsi); then click
Continue.
The device driver is copied to your hard-disk drive
and the Windows NT configuration is updated so
that the new device driver loads when Windows NT
reboots.
12. When the installation is complete, Windows NT
Setup again displays a list of currently installed
host adapter types. Verify that the new host
adapter appears on the list; the string should look
similar to:
Adaptec AHA-2940/AIC-78xx (PCI) NT
v3.5x
13. If you want to add other host adapters (that are
not part of the Adaptec 78xx series), do so at this
time by repeating steps 6 through 8 for each
additional adapter, inserting the appropriate dis-
kette provided by the hardware manufacturer.
Because all Adaptec 78xx series host adapters use
the same driver, you configure all Adaptec host
adapters at the same time.
14. Click Close to exit the SCSI adapters portion of
Windows NT Setup, and then close the program.
15. When you see the following message, click OK to
exit:
The changes you have made will not take
effect until the computer is restarted.
If this message does not appear, no changes have
been made to the Windows NT system
configuration.
16. Restart your computer and Windows NT.
Some drive letter assignments may have changed
from the previous configuration.
Removing a Host Adapter
Removing a PCI expansion-card SCSI controller is as
simple as physically removing it from its slot when your
computer is shut down. Windows NT boots and functions
properly in this configuration, but a warning message is
generated every time you boot Windows NT.
To eliminate the warning message, you must update the
Windows NT software configuration as follows:
1. Select and start the Windows NT Setup program.
There is a brief pause while Windows NT Setup
scans your hardware configuration.
CAUTION: If you have removed a host adapter
but still have other host adapters of the same type
installed in your computer, do not use Windows NT
Setup to remove the device driver.
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