3-6 Dell PowerEdge 4200 Systems User’s GuideAdaptec Format Disk utility is compatible with thevast majority of SCSI disk drives..• Verify Disk Media — This option runs a utility thatallows you to scan the media of a hard-disk drive fordefects. If the utility finds bad blocks on the media, itprompts you to reassign them; if you select Yes,those blocks are no longer used. You can press at any time to exit the utility.Exiting SCSISelectTo exit SCSISelect, press until a message promptsyou to exit. (If you changed any 78xx series host adaptersettings, you are prompted to save the changes before youexit.) At the prompt, select Yes to exit, and then press anykey to reboot the computer. Any changes you made inSCSISelect take effect after the computer boots. (You canselect No at the prompt if you are not ready to exitSCSISelect.)Installation for the Microsoft Win-dows NT Operating SystemRead this section to find out about Windows NT operat-ing system installation, including:• Installing and/or updating the SCSI drivers for theWindows NT operating system• Removing a host adapter• Swapping a host adapter• Restoring a configuration if Windows NT fails tobootInstallation OverviewThis section provides the information needed to installand use the Dell SCSI drivers for the 78xx series of SCSIcontrollers with the Windows NT operating system.The Windows NT 3.51 or 4.0 driver diskette you createfor the Microsoft Windows NT Server operating systemcontains the files needed for driver installation. The scsisubdirectory on the diskette contains the following filesto be used with Windows NT:• aic78xx.sys — Adaptec’s 78xx series driver for Win-dows NT• oemsetup.inf — A file used by Windows NT Setupfor driver installation• readme.txt — A text file describing the Adaptec78xx driver for Windows NTIf you are performing a first-time Windows NTinstallation, see the following subsection, “InstallingWindows NT and the Driver,” to begin driver installation.If Windows NT is already installed in your system, see“Using Windows NT to Install or Update the Driver”found later in this section.Installing Windows NT and the DriverThe Windows NT 4.0 operating system has SCSI driversfor the Adaptec 78xx series of SCSI controllers integratedinto the operating system. When you load the operatingsystem software, the drivers are automatically loaded.However, Dell recommends that you update theaic78xx.sys driver using the diskette of drivers that youcreated from the Dell Server Assistant CD. To install orupdate the aic78xx.sys driver for Windows NT 4.0, see“Using Windows NT to Install or Update the Driver”found later in this section.If you are installing Windows NT 3.51, read the follow-ing section, which describes how to install theaic78xx.sys driver at the same time you install WindowsNT 3.51. If Windows NT 3.51 is already installed andyou wish to install or update the aic78xx.sys driver, see“Using Windows NT to Install or Update the Driver,”found later in this section.Performing a Windows NT 3.51 InstallationFollow these instructions only if you are installing Win-dows NT 3.51 for the first time. You can install WindowsNT 3.51 from a diskette drive or from a CD-ROM drive;whichever you choose, make sure the hardware installationis completed prior to following these steps.NOTE: An older version of the aic78xx.sys driver isincluded on the Windows NT installation diskettes (or onthe CD-ROM). To avoid loading the older driver duringWindows NT installation, use the following procedure toCAUTION: The Format Disk option destroysall data on the hard-disk drive.
