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We have observed situations where Windows NT can not find the ICP Controller when in-
stalling the GDT driver. This problem is usually caused by one of the standard drivers which
Windows NT loads automatically during the first installation phase.
If this is the case, we recommend that Windows NT Setup be started again and carried out
in the mode 'user defined'. If this process is carried out correctly, the scan for hard disk
controllers carried out by Windows NT can then be omitted. Instead of carrying out a scan,
the GDT driver will be installed manually immediately. The ICP Controller should then be
easily found. If other disk controllers are in the system, they can also be specified manually
after the ICP Controller.
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Windows NT in the latest Versions 3.51 and 4.0 offers various methods for the installation
and the upgrade.
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: The corresponding Setup - Disks 1 to 3 are generated and Windows NT (the Up-
grade) is installed by booting the disks.
In general, it is recommended to use method 1 for installing Windows NT, as the operating
system always enables the user to insert an OEM disk (e.g., the driver disk of the ICP Con-
trollers). In addition, installation is much faster if method 1 is used as not all Windows NT
raw files have to be copied to a temporary directory.
Installation according to method 1 affords that 3 setup disks are generated. This is carried
out via the program Winnt.exe on the Windows NT CD, i.e., by entering the command line:
WINNT /OX
The switch '/OX' ensures that the Setup disks are generated.
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Windows NT generates a temporary directory on an existing partition and in-
stalls the operating system (i.e., the upgrade) from there.
This installation is only possible if there is already a partition with enough free disk space
(around 150 MByte). Depending on whether it is an upgrade or a new installation, either
WINNT.EXE has to be started with the corresponding command line option (e.g., 'WINNT
/B' during a new installation via a temporary directory on a DOS Partition), or the Upgrade
Icon on the CD-ROM symbol of the inserted Windows NT CD-ROM can be clicked on.
In any of these circumstances, Windows NT does not automatically enable the user to be
able to insert an OEM disk. With all hard disk controllers, where the driver is not on the
Windows NT CD-ROM, the following problem occurs: The access to the hard disk is not
possible after the first reboot of the computer during the installation procedure. Normally,
the error message 'Inaccessible Boot Device' appears and the installation is stopped.
To avoid this error message, a ' hidden key ' of Windows NT should be used. As soon as the
NT operating system has restarted the computer (reset), and the setup program starts, the
key F6 has to be pressed and held down when the Setup screen appears. The Setup screen
appears before the symbol for the Windows NT-Version and the system RAM is displayed in
the upper corner of the screen. This is easily recognizable by a blue background color. In
contrast to the 'Boot-Screen' with the version message and RAM message, the setup screen
uses the large screen font.
After pressing F6, a window is opened and Windows NT offers the opportunity of specifying
an additional device driver. Now insert the floppy disks with the Windows NT driver for the
ICP Controller. If the whole process described above has been carried out correctly, a win-
dow is displayed in the middle of the screen with the message 'GDT Disk Array Controller'.
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