The Windows NT 4.0 driver diskette that you create for the Microsoft Windows NT Server operating system contains the files that you need for driver installation. The scsi subdirectory on the diskette contains the following files to be used with Windows NT:
If you are installing Windows NT for the first time, see "Installing Windows NT and the Driver for the First Time" to begin driver installation. If Windows NT is already installed in your system, see "Using Windows NT to Install or Update the Driver." Installing Windows NT and the Driver for the First TimeWindows NT 4.0 has SCSI drivers for the Adaptec 78xx series (excluding the Adaptec 7899) of SCSI controllers integrated into the operating system.
When you load the operating system software, the drivers are automatically loaded. However, Dell recommends that you update the adpu160m.sys driver by using the diskette of drivers that you created from the Dell OpenManage Server Assistant CD. To install or update the adpu160m.sys driver for Windows NT 4.0, see the next subsection. Using Windows NT to Install or Update the DriverThis section describes how to install or update the adpu160m.sys driver if Windows NT is already installed. If you are installing Windows NT for the first time, see "Installing Windows NT and the Driver for the First Time." Perform the following steps only if Windows NT 4.0 is already installed:
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). Please enter the full path to Adaptec's installation files. These files are located in the \scsi directory on the Windows NT 4.0 Driver diskette. The driver is copied from the diskette to your system. After the system reboots, the new driver is active. Some drive letter assignments may have changed from the previous configuration. If you need additional assistance, see "Troubleshooting for Windows NT." Installation for Novell NetWare 5.xThis section provides information on installing the SCSI drivers for the Novell NetWare 5.x operating system. Instructions assume that NetWare 5.x is installed and operational. Creating the NetWare 5.x SCSI Driver DisketteIf you have not already done so, use the Dell OpenManage Server Assistant CD to create a NetWare 5.x SCSI driver diskette. See "Using the Dell OpenManage™ Server Assistant CD" for instructions on creating the diskette. Uninstalling a SCSI DriverIf you are replacing an existing driver (for example, because it has become corrupted or an upgrade has become available), you must first remove the installed driver. To remove a driver, perform the following steps:
The NetWare Configuration screen appears, displaying the Configuration Options menu.
The Additional Driver Actions menu appears. From the Additional Driver Actions menu, you can repeat steps 5 through 7 to uninstall an additional driver, start with step 5 of the next procedure to install a driver, or press <Esc> to exit. Installing the SCSI Drivers for NetWare 5.xTo install NetWare 5.x SCSI drivers from the NetWare 5.x SCSI driver diskette that you created, perform the following steps:
The NetWare Configuration screen appears, displaying the Configuration Options menu
The software scans the system to determine what drivers are already installed.
If you need additional assistance, see "Troubleshooting for NetWare." Using SCSI DevicesThe subsections that follow provide procedures and tips on the following topics:
Formatting MediaNetWare's nwconfig.nlm program lets you optionally format a hard-disk drive for use with NetWare. If you are using SCSI drives, the program allows you to low-level format several SCSI drives simultaneously. The NetWare format procedure is not the same as using fdisk or format under MS-DOS®.
Using Removable MediaThe adpu160.ham driver module fully supports removable-media disk drives, including magneto-optical drives. Removable media is treated as a standard SCSI hard-disk drive, with some exceptions:
These removable media options are supported by NetWare's monitor.nlm program. To set up the removable media, perform the following steps: All system hard-disk drives appear. Drive status options appear as shown in Table C-1.
Verify StatusThe Read After Write Verify option is set to Hardware Level by default. This option cannot be specified in the startup.ncf or autoexec.ncf file. However, the default can be set on the command line. Refer to the NetWare User's Guide for information about using the load command-line options. The available options are defined in Table C-2.
Mount StatusMounting causes a drive to come online as a NetWare storage device. Dismounted drives are inactive and cannot be accessed. Before you eject the current media, dismount it. When the mount status is Dismounted, eject the media. However, NetWare does not allow you to dismount media that are locked. To insert your new media, wait for the drive to spin up, and then select the Removable Drive Mount Status option. Lock StatusIf your removable-media device supports the lock/unlock feature, you can lock the media. The media must be in the Not Locked state before you can eject it. Using Drives Tested and Approved for NetWareAdaptec 78xx series host adapters and their drivers are fully tested and approved for NetWare. This means that you can purchase a NetWare drive (certified as "Yes, Tested and Approved") from a vendor, connect it to your system or host adapter, partition it, and create a volume without any compatibility concerns. To be fully certified as NetWare "Yes, Tested and Approved," a drive and host adapter must both pass a qualification process that takes place before you see the product. The goals of NetWare testing are to simplify installation and provide the highest quality disk subsystem.
Adaptec's adpu160.ham driver module is flexible enough to allow you to connect SCSI drives that are tested and approved for NetWare as well as standard SCSI drives to a single host adapter. The driver registers each hard-disk drive accordingly. Drive registration is a user-transparent process; no user interaction is required. You can tell that the drive has been detected as NetWare-tested and NetWare-approved if the message NetWare Yes Tested and Approved is included in the drive description string that appears when you run monitor.nlm (disk options). Using the NetWare Tape Backup UtilityIncluded with NetWare is a server-based tape backup utility called sbcon.nlm. This allows backup of server hard-disk drives to a server tape drive. The sbcon.nlm utility supports Adaptec host adapters. To load the backup utility, perform the following steps: load [pathname]\aha160.ham [options] slot=x The ASPI layer (nwaspi.cdm) is automatically loaded.
Setting Up a CD-ROM Drive With NetWare 4.2To use a CD-ROM drive with NetWare 4.2, perform the following steps:
load [pathname]\idecd.cdm slot=x load [pathname]\cdrom.nlm cd device list cd mount [number] or cd mount [name] The CD-ROM drive is now ready to be accessed as a volume. The SCSISelect UtilityThe BIOS for the integrated Adaptec AIC-7899 SCSI controller includes the menu-driven SCSISelect configuration utility, which allows you to change SCSI controller settings without opening the system. SCSISelect also contains SCSI disk utilities that let you low-level format or verify the disk media of your SCSI hard-disk drives. SCSISelect Default SettingsDefault settings for the integrated AIC-7899 SCSI controller are shown in Table C-3. These default settings are appropriate for most PCI systems. Run SCSISelect only if you need to change any of the default settings.
For situations in which you might want or need to change the settings, see the descriptions of each setting in the following subsections. To change any of the default settings or to format or verify a disk, see "Starting the SCSISelect Utility."
SCSI Bus Interface DefinitionsThe basic host adapter settings are the SCSISelect settings most likely to require modification:
Boot Device OptionsThe boot device options allow you to specify the device from which to boot your system:
SCSI Device/Configuration SettingsThe SCSI device/configuration settings allow you to configure certain parameters for each device on the SCSI bus. To configure a specific device, you must know the SCSI ID assigned to that device. If you are not sure of the SCSI ID, see "Using the SCSI Disk Utilities."
The AIC-7899 host adapter supports rates up to 160 megabytes per second (MB/sec). The default for the AIC-7899 host adapter is 160 MB/sec. If the host adapter is set to not negotiate for synchronous data transfer, the maximum synchronous transfer rate is the maximum rate that the host adapter accepts from the device during negotiation. (This setting is standard SCSI protocol.)
When this option is set to Yes, the host adapter attempts 16-bit data transfer. When this option is set to No, 8-bit data transfer is used unless the SCSI device itself requests wide negotiation. The effective transfer rate is doubled when 16-bit data transfer is used because the data path for wide SCSI is twice the size of normal 8-bit SCSI.
Leave Enable Disconnection set to Yes if two or more SCSI devices are connected to the host adapter. This optimizes SCSI bus performance. If only one SCSI device is connected to the host adapter, set Enable Disconnection to No to achieve slightly better performance.
Setting this option to Yes reduces the load on your system's power supply by allowing the host adapter to start SCSI devices one at a time when you boot your system. When this option is set to No, the devices are allowed to start at the same time. Most devices require you to set a jumper before they can respond to this command.
Advanced Configuration SettingsThe advanced host adapter settings should not be changed unless absolutely necessary. These values are set by Dell, and changing them may cause conflicts with the SCSI devices.
The standard translation scheme for SCSI host adapters provides a maximum accessible capacity of 1 GB. To support hard-disk drives larger than 1 GB, the 78xx series host adapters include an extended translation scheme that supports hard-disk drives as large as 8 GB, with a maximum partition size of 2 GB under the DOS operating system. It is not necessary to enable the Extended BIOS Translation setting if you are using another operating system, such as Novell NetWare. When you partition a hard-disk drive larger than 1 GB, use the MS-DOS fdisk utility as you normally would. Because the cylinder size increases to 8 MB under extended translation, the partition size you choose must be a multiple of 8 MB. If you request a size that is not a multiple of 8 MB, fdisk rounds up to the nearest whole multiple of 8 MB.
If you are booting from a SCSI hard-disk drive connected to the host adapter, the BIOS must be enabled. You should disable the host adapter BIOS if the peripherals on the SCSI bus (for example, CD-ROM drives) are all controlled by device drivers and do not need the BIOS.
Starting the SCSISelect UtilityYou can start the SCSISelect utility by pressing <Ctrl><a> when the following prompt appears briefly during start-up: Press <CTRL><A> for SCSISelect™ Utility! The first menu displays the Configure/View Host Adapter Settings and SCSI Disk Utilities options. Using SCSISelect MenusSCSISelect uses menus to list options that you can select. To select an option, press the up- and down-arrow keys to move the cursor to the option; then press <Enter>. In some cases, selecting an option displays another menu. You can return to the previous menu at any time by pressing <Esc>. To restore the original SCSISelect default values, press <F6>. Using the SCSI Disk UtilitiesTo access the SCSI disk utilities, select SCSI Disk Utilities from the menu that appears when you start SCSISelect. When the option is selected, SCSISelect immediately scans the SCSI bus (to determine the devices installed) and displays a list of all SCSI IDs and the device assigned to each ID. When you select a specific ID and device, a menu appears, displaying the Format Disk and Verify Disk Media options.
Exiting SCSISelectTo exit SCSISelect, press <Esc> until a message prompts you to exit. (If you changed any 78xx series host adapter settings, you are prompted to save the changes before you exit.) At the prompt, select Yes to exit, and then press any key to reboot the system. Any changes that you made in SCSISelect take effect after the system boots. (You can select No at the prompt if you are not ready to exit SCSISelect.) Troubleshooting for Windows NTThe boot manager for Windows NT contains recovery logic to allow you to return to the last known good configuration. If you have changed your host adapter configuration and Windows NT no longer boots, perform the following steps to recover it:
Press spacebar NOW to invoke the Last Known Good menu
If you cannot determine the source of the error, see, "Getting Help" in the Installation and Troubleshooting Guide for instructions on contacting Dell for technical assistance. Troubleshooting for NetWareAny error that occurs while the driver is initializing prevents it from loading. If an error does occur, the driver causes the system to beep and then display the following numbered error message: xxx message The xxx indicates the error code and message is a line of text describing the error. The error codes are divided into three categories:
Specific error codes, such as those in the following subsections, appear only if you have installed the host adapters and drivers that generate them. Non-Host-Adapter Specific Error CodesThe following error codes alert you to error conditions caused by factors not related to the host adapter: 000 Failed ParseDriverParameters call A call to NetWare's ParseDriverParameters routine has failed for some unknown reason. The command line contains errors, or you pressed <Esc> at the port or slot prompt. 001 Unable to reserve hardware, possible conflict The driver failed in its attempt to reserve the host adapter's hardware settings (that is, direct memory access [DMA] and interrupt request [IRQ] settings). Another card in your system may be causing a conflict with the host adapter. 002 NetWare rejected card Failed AddDiskSystem call The driver failed in its attempt to register the host adapter with NetWare. The file server may not have enough memory. 003 Invalid command line option entered > option An invalid option was entered on the command line. The invalid option that was entered is also displayed. 004 Invalid command line, please enter correctly The driver was unable to understand the command line options that you entered. Be sure that you have entered these options correctly. Host-Adapter Specific Error CodesThe following error codes alert you to error conditions caused by factors related to the host adapter: 200 No host adapter found for this driver to register No Adaptec 78xx host adapter was found in your system for the driver to register. Be sure that the host adapter is properly configured and properly seated in the slot. 203 Invalid 'device' setting You have entered an invalid slot setting on the command line. You can only enter slot numbers for valid host adapters. If you load without the slot option, you will be prompted to enter a valid value. 204 Invalid 'verbose' setting, use 'y' You can only enter y for this option (verbose=y). 205 Invalid 'removable' setting, use 'off' You can only enter off for this option (removable=off). 206 Invalid 'fixed_disk' setting, use 'off' You can only enter off for this option (fixed_disk=off). 208 SCSI present but not enabled/configured for PCI A host adapter is present, but its bus or device entry has not been enabled.
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