Adaptec GDTSETUP Manual de usuario descargar pdf (Pagina 150)

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After having explained the installation of the ICP Controller and the host drives in chapters

B and C, we now explain how to install the operating system Microsoft Windows NT.

For a successful installation, we recommend that you take a close look at the manuals

which came with your Windows NT package.

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The structure of the Host Drives, which have been installed with GDTSETUP (in chapter C),

is not known to Windows NT. I.e., the operating system does not recognize that a given

Host Drive consists of a number of hard disks forming a disk array. To Windows NT, this

Host Drive simply appears as one single hard disk with the capacity of the disk array. This

complete transparency represents the easiest way to operate disk arrays under Windows

NT; neither Windows NT nor the PCI computer need to be involved in the administration of

these complex disk array configurations.

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Your ICP Controller may be operated in both operating system variants, the Windows NT

Workstation variant and the Windows NT Advanced Server variant. The ICP Controller is inte-

grated into the Windows NT operating system through the GDTX.SYS driver which is the

same for both Windows NT variants. Therefore, in this chapter we shall not distinguish be-

tween these two variants. All the information refers both to the Workstation and the Ad-

vanced Server variant. Note: At the time this manual was printed, Windows NT 3.5,

Windows NT 3.51 and Windows NT 4 .0 had been successfully tested.

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The following steps have to be carried out and/or checked before you can begin with the

installation of Windows NT.

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 If you want to install Windows NT 3.51 or NT 4.0, skip this step. If you intend to in-

stall Windows NT 3.50 on your system, please observe the following: The GDT driver for NT

3.50 is located in the subdirectory DRIVERS of the GDT Windows NT disk. Its name is

GDTX350.SYS. This file has to be renamed into GDTX.SYS and copied into the root-

directory of the GDT Windows NT disk.

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When you do a warm boot by simultaneously pressing the CTRL+ALT+DEL keys,

some PCI motherboards carry out a hard reset of the PCI bus. As a consequence, all expan-

sion cards and devices that are connected to the PCI bus, including the ICP Controller, are

reset. During the installation procedure of Windows NT this anomaly can cause the con-

tents of the GDT cache RAM to be deleted before the data can be written to the disk(s). If

this happens, the installation cannot be completed correctly. Such a warm boot automati-

cally takes place after a FAT partition is converted into an NTFS partition at the end of the

Windows NT installation procedure. In order to avoid this problem and prevent the risk of

data corruption,

it is advisable to disable the Delayed Write function of the GDT cache

during complete installation

. To do so, use the GDTSETUP program, choose Advanced

Setup, Configure Controller, Controller Settings and switch the Delayed Write function OFF. After

having completed the Windows NT installation, switch the Delayed Write function ON

again.

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