ftp.nice.ch/pub/next/system/driver/scsi/SYM53c8.1.00.I.b.tar.gz#/SYM53c8.1.00.b.I/install.txt

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			  NEXTSTEP.TXT
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This file describes the features and use of the Symbios Logic SDMS
device driver for the  NeXTSTEP 3.2 & 3.3 operating system environment.
It is specific to the SYM53C8XX driver version 1.00.00. The information 
is organized into the following sections:

Introduction
	Features
	Description
Installing Your SYM53C8XX Driver
	Troubleshooting
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************************** Introduction ****************************

NeXTSTEP is the first fully object oriented operating system 
available commercially. It combines the productivity of reusable 
software objects with an easy to use native graphical interface. 
The integrated communications, file system, graphical interface, 
and object oriented architecture make this a full-featured operating 
system.

The SYM53C8XX driver works with NeXTSTEP to drive your SCSI host 
adapter. This driver is provided on a diskette packaged with your 
host adapter. The following sections describe this driver and how 
to install it on your system.

* Features *

Provides easy installation through a standard NeXTSTEP utility
Supports synchronous negotiation (including fast SCSI)
Supports wide SCSI (single-ended and differential)
Supports multiple host adapters
Supports Disconnect/Reselect
Supports scatter/gather
Allows tagged command queuing
Provides dynamic interrupt mapping
Allows shared interrupts
Allows automatic drive spin up
Supports variable block-size media up to 1024 byte block sizes
Supports 32 LUNs

* Description *

You can install your SYM53C8XX driver on a running system, or you 
can install the driver and the NeXTSTEP operating system at the 
same time on a SCSI hard disk drive. Your SYM53C8XX driver is also 
replaceable at some future time with an updated version. You might 
want to do this when you update your operating system to a newer 
version. The next section, titled Installing Your SYM53C8XX Driver, 
will explain these procedures.


*************** Installing Your SYM53C8XX Driver *****************

* Installing on a Running System *

1. Log in as root.
2. Insert the diskette containing your SYM53C8XX driver.
3. Using the File Viewer, find the driver package named 
   "SYM53C8.config" in the /usr/Devices directory on the driver 
   diskette.
4. Double-click on the SYM53C8.config icon. This will bring up the 
   Configure application, and will install the driver.
5. A panel will then appear with the message:
	
	The driver was successfully installed.
   
   Click the OK button on this panel.
6. To add more SCSI adapter devices to the system, follow the steps 
   in the section titled Adding Multiple SCSI Host Adapter Devices.

* Installing With the NeXTSTEP Operating System *

Follow these steps if you are installing NeXTSTEP on a SCSI hard 
disk drive.

1. Refer to your NeXTSTEP installation instructions. Follow the 
   boot installation procedures until you are prompted for 
   additional device drivers.
2. To load your SYM53C8XX driver, follow the directions displayed 
   for loading a device driver from an alternate diskette.
3. When prompted, select the adapter to which the drive you want 
   to install on is connected.

* Updating the Driver With a Newer Release *

1. Log in as root.
2. Follow steps one, two, and three under the previous section 
   titled Installing on a Running System. 
3. Double-click the SYM53C8.config icon. A panel is displayed 
   telling you the driver is already installed.
4. Click the Update button.
5. When the installation of the new driver is complete, a panel 
   will appear indicating a successful installation.
6. You must perform the following steps to remove the old 
   instance of the driver:

	a. Click on the SCSI icon at the top of the Configure 
	   application main window. This will bring up the SCSI 
	   Device view in the main window.
	b. Highlight the driver by clicking on the SYM53C8XX 
	   entry in table.
	c. Click on the Delete icon.
	d. Exit the Configure application at this point.
	e. Restart the Configure application. 

   Now follow the instructions in the next section titled Adding 
   Multiple SCSI Host Adapter Devices. This will create a new 
   instance of the driver.

Please refer to the troubleshooting section titled Upgrading 
Problems if you still have a problem.

* Adding Multiple SCSI Host Adapter Devices *

The NeXTSTEP installation package is designed to deal only with 
the host adapter to which the start-up disk is connected. 
Configuring additional host adapters (up to four) is possible 
only after a successful installation has been completed.

To display a summary of your host adapter devices, click the 
Summary icon on the Configure application's main window. To 
add a SCSI adapter device, follow these steps:

1. Click the SCSI icon at the top of the Configure application 
   main window. This will bring up the SCSI Devices view in the 
   main window.
2. Click the Add_ button in the SCSI Devices view.
3. Select SYM53C8XX.
4. Click the Done button in the SCSI Devices view.
5. Click the Save button in the Summary of Devices view in the 
   main window.
6. Click the Quit menu item in the Configuration application menu.

Please refer to the troubleshooting section titled Installation 
Problems if you still have a problem.


*********************** Troubleshooting ***********************

* Installation Problems *

The following are some installation problems, and their 
suggested solutions:

NeXTSTEP SAYS THE DISKETTE IS INCORRECT AND ASKS YOU AGAIN TO 
INSERT THE SDMS DRIVER DISKETTE.
   
   a. Eject the diskette, reinsert it, and type:
		
		return

      Press Enter.
      Repeat if necessary.


NeXTSTEP TELLS YOU THAT YOU HAVE A MEMORY MAPPING CONFLICT.

If you have more than one host adapter, you will need to go 
to the Configure application and add an additional SYM53C8XX 
driver instance for every host adapter present. When you do 
this, NeXTSTEP will tell you that you have a memory mapping 
conflict. To resolve this: 

   a. Leave the memory mapping unchanged for the first instance 
      (it should be mapped to E0000).
   b. Change the mapping for the additional host adapters. They 
      can be mapped to values such as C0000 and 100000.
   c. Select an IRQ number that is not used from the IRQ list. 
      There should be a table at the right hand side of the 
      screen indicating IRQ usage. A free IRQ is indicated by a 
      number in bold (it also has no red triangle at the lower 
      right hand corner of the number square). Select by clicking 
      on the appropriate table entry containing the free IRQ.
   d. Save and exit the Configure application.
   e. Reboot.


* Upgrading Problems *

YOU ARE EXPERIENCING PROBLEMS WITH UPDATING YOUR SYM53C8XX DRIVER.

Please verify that you have updated to the correct version by 
doing the following:

   a. Launch the NeXT Configure application.
   b. Click on the SCSI icon at the top of the Configure application 
      main window.
   c. If you are using NeXTSTEP 3.2, click the Info icon and verify 
      that the version number corresponds to the version number on 
      the new diskette.
      If you are using NeXTSTEP 3.3, click on the Expert icon and 
      verify that the version number corresponds to the version 
      number on the new diskette.
   d. If the version number is incorrect, please follow the 
      instructions under the heading Updating the Driver With a 
      Newer Release.


* For Advanced Users *

To manually verify that the driver is correctly loaded, launch 
a terminal session and perform the following steps:

   a. If you are using version 3.2, switch to the 
      /usr/Devices directory.
      If you are using version 3.3, switch to the 
      /private/Drivers/i386 directory.
   b. Type:
		ls -1d S*
      Press Enter.
      This will list every driver that starts with an S. The 
      SYM53C8XX driver should be listed, and should be a directory.
   c. Type:
		cd SYM53C8XX
      Press Enter.
   d. Verify that this directory is not empty.
   e. Type:
		../System.config
      Press Enter.
   f. Type:   
		more Instance0.table
      Press Enter.
      If you have a running version of the driver, the phrase 
      SYM53C8XX should be listed in the Boot Drivers line.
   g. Type:
		exit
      Press Enter.
   h. The driver should now load properly when you reboot.

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.