GUESTHLP.TXT Driver File Contents (IOMEGA.ZIP)

                            GUEST HELP
                          April 12, 1996     
          Contents
     
     Section#   Topic
           1    What is Guest?
           2    System Requirements for Guest
           3    How to Load Guest
           4    Advanced Loading Options
                    Loading Guest into Upper Memory
                    Express Loading Guest Memory
                    Assigning Specific Drive Letters with 
                    GUEST.EXE.

           5    Solving Problems that may occur when using Guest
                    Guest does not assign a drive letter to your 
                    drive
                    Duplicate drive letters
                    No drive letter available for the drive
                    Using Guest with non-Iomega ASPI managers
                    Drive C: no longer accessible

           6    Required Files for Using Guest
           7    Using Guest as a Permanent Driver
           
     
     _________________________________________________________
     Section 1
     What is Guest?
     
     Guest is a portable driver program that lets you use an
     external Zip or Jaz drive on a computer without having to
     permanently install the Iomega driver or the Tools software. 
     There are versions of Guest for both Macintosh and PC
     systems.  Guest for IBM-compatible PCs running Windows 3.1
     and/or DOS is described here.  If you are using Windows 95,
     refer to Help for Guest95 on the Windows/DOS "Install"
     floppy.  If you use both Macintosh and PC systems and you
     want to run Guest on both platforms, you can obtain
     information on Guest for Macintosh by referring to Iomega
     Guest Help on the "Install" floppy for Macintosh.

     When you run GUEST.EXE, the Guest driver loads into the
     computer's memory and stays there until the computer is
     rebooted.  While Guest is in memory, it tells the computer
     how to talk to your drive and provides the drive with a
     drive letter.  Guest allows you to read files from and write
     files to your Zip or Jaz disks.

     You can use Guest to support other Iomega drives including
     5.25 inch Bernoulli drives, and non-Iomega removable SCSI
     drives such as SyQuest drives.

     NOTE:  When you install Tools software under Windows 3.1, it
     installs the Guest driver program in the computer's
     AUTOEXEC.BAT file so that Guest loads each time the computer
     boots.  For more information, refer to Section 7, "Using
     Guest as a Permanent Driver."


     
     
     _________________________________________________________
     Section 2
     System Requirements for Guest

     To run GUEST.EXE, you need a compatible version of DOS
     and/or Windows.
  
          Compatible versions of DOS include MS-DOS version 5.0
           or higher, and PC-DOS version 6.0 or higher.  To
           check your version of DOS, use the DOS VER command.

          Compatible versions of Windows include Windows 3.1 or
           3.11, and Windows for Workgroups 3.1 or 3.11.

     The drive you want Guest to support must be connected to the
     computer before Guest is loaded.
     



     _________________________________________________________
     Section 3
     How to Load Guest
     
     Use the following procedure to load Guest:

      1.   Connect your drive to the computer according to the
           instructions in your drive's Installation Guide.

      2.   Insert the "Install" floppy disk for Windows/DOS in
           the computer's floppy drive.

      3.   If you are using Windows, you MUST exit Windows
           before loading Guest.  Select Exit from the Program
           Manager's File menu, and click on OK to end the
           Windows session.

      4.   At the DOS prompt, type either "a:Guest" (if the
           "Install" floppy is in drive a:), or "b:Guest" (if
           the "Install" floppy is in drive b:), then press the
           Enter key.  If you use Windows, you can restart
           Windows after Guest loads.

     If you encounter any problems, refer to Solving Problems in
     this help file.  (The information in this help file is also
     found in the text file GUESTHLP.TXT on the Install floppy
     disk for Windows/DOS.)

     
     _________________________________________________________
     Section 4
     Advanced Loading Options
     

     ______________________________
     Section 4.1
     Loading Guest into Upper Memory
     
     Guest can be loaded into upper memory using the DOS LOADHIGH
     command, provided an expanded memory manager (such as
     EMM386, QEMM, BLUEMAX, or 386MAX) is loaded on the computer. 
     Refer to your DOS User's Guide for detailed information on
     using the LOADHIGH command.
     
     
     ______________________________
     Section 4.2
     Express Loading Guest
     
     Each time the Guest driver loads, it must also load an ASPI
     manager so that it can communicate with your drive (Zip or
     Jaz) through the computer's SCSI host adapter.  To provide
     Guest with the flexibility to use a variety of host
     adapters, the "Install" floppy for Windows/DOS includes a
     complete set of Iomega ASPI managers.  As Guest loads, it
     tries to load each ASPI manager in turn until it finds one
     that allows it to talk to your drive.

     Guest can load much more quickly if it does not have to use
     this trial-and-error process to find the correct ASPI
     manager.  If you use Guest routinely with one or two
     specific host adapters, you may want to edit the GUEST.INI
     file and remark-out the ASPI managers you do not need.  Then
     Guest will try to load only the ASPI managers for the
     adapters you normally use.

     Use the following procedure to customize your GUEST.INI
     file:

     Step 1:  Copy all files on the "Install" floppy for
     Windows/DOS to another disk.

     The "Install" floppy disk is permanently write-protected, so
     in order to edit the GUEST.INI file and use the new file to
     run the Guest program, you must copy the files to another
     disk.  You can copy the files to another floppy disk or to
     the hard disk on the computer where you will be using the
     Guest program.  If you need instructions on copying files,
     refer to the documentation that came with your Windows or
     DOS programs.

     Step 2:  Locate the GUEST.INI file on your copy of the
     "Install" floppy disk and open it using a text editor. The
     GUEST.INI file is a text file, so you can use the Notepad in
     Windows, the DOS EDIT program, or any other ASCII text
     editor to edit it.

     Step 3:  Identify the ASPI manager line Guest needs to load
     to support your drive.

     For example, if you routinely use Guest when your drive is
     connected to an Iomega PC1616 adapter, the Guest program
     needs to load the line that reads "ASPI=ASPI1616.SYS".  Use
     the following table to help you identify the ASPI manager
     line you need to load:

     Iomega Adapter                ASPI Manager

     Parallel Port Zip             ASPIPPM1.SYS
     PPA-3 Adapter                 ASPIPPM1.SYS
     Zip IDE                       ASPIIDE.SYS
     Jaz Jet                       ASPI2930.SYS
     Zip zoom SCSI Accelerator     ASPIPC16.SYS
     PC1616 adapter                ASPI1616.SYS
     PC1600 adapter                ASPIPC16.SYS
     PC800 adapter                 ASPIPC8.SYS
     PC2 adapter                   ASPIPC2.SYS
     PC4 adapter                   ASPIPC4.SYS

     Step 4:  Remark out each ASPI manager line you do NOT need
     to load by inserting "rem " at the start of the line.

     For the example where Guest is routinely used when the Zip
     or Jaz drive is connected to an Iomega PC1616 adapter, you
     would remark out all ASPI manager lines except the
     ASPI1616.SYS:

           rem ASPI=ASPIPPM1.SYS /INFO FILE=NIBBLE.ILM SPEED= 1
           rem ASPI=ASPIIDE.SYS /INFO
           rem ASPI=ASPI2930.SYS /D
           rem ASPI=ASPIPC16.SYS INFO
           ASPI=ASPI1616.SYS /SCAN /INFO
           rem ASPI=ASPIPC8.SYS /SCAN /INFO
           rem ASPI=ASPIPC2.SYS /SCAN /INFO
           rem ASPI=ASPIPC4.SYS /SCAN /INFO

     Step 5:  Save the changes to the GUEST.INI file and exit the
     text editor.

     If you are using an editor that has a variety of file
     formats, be sure to save the GUEST.INI file as ASCII text or
     DOS text.

     NOTE:  If you later need to use an ASPI manager which has
     been remarked out, simply edit GUEST.INI again and remove
     the "rem " at the start of the ASPI manager line, or use the
     original "Install" floppy diskette to run Guest.

     ASPI Manager Reference:  Detailed reference information on
     the ASPI managers used by the Guest driver is located in the
     electronic "Installation Manual" (MANUAL.EXE).  You can
     access the manual from the "Install" floppy for Windows/DOS
     by going to the DOS prompt and typing:

               A: <Enter>

               MANUAL <Enter>

     
           
     ______________________________
     Section 4.3
     Assigning Specific Drive Letters with GUEST.EXE.

     GUEST.EXE allows you to specify what drive letter you want
     assigned to your drive.  You may want to use this feature if
     you are running applications from your Zip or Jaz drive, or
     if you use your drive as a portable device on other
     computers and you want to maintain the same drive letter as
     you use on your own machine.

     For detailed information and instructions refer to
     MANUAL.EXE located on the install floppy diskette for
     Windows/DOS.   



     _________________________________________________________
     Section 5
     Solving Problems that may occur when using Guest
     
     This section describes solutions for the following problems:
     
       5.1          Guest does not assign a drive letter to your drive
       5.2          Duplicate drive letters
       5.3          No drive letter available for the drive
       5.4          Using Guest with non-Iomega ASPI managers
       5.5          Drive C: no longer accessible
     
     
     _____________________________
     Section 5.1
     Guest does not assign a drive letter to your drive
     
     If you run the Guest program and it informs you that no
     drive letters were added, and yet you cannot access your
     drive, it indicates that the driver is unable to locate a
     Zip or Jaz drive.  This could be due to a hardware
     installation problem. For detailed hardware installation
     troubleshooting information refer to MANUAL.EXE located on
     your "Install" floppy diskette.

     
     _______________________________
     Section 5.2
     Duplicate drive letters
     
     If you see two drive letters for a single drive on your
     system after running GUEST.EXE, reboot the computer
     immediately.  Using your drive when duplicate drive letters
     are present on the system can result in data loss.  
     
     After the computer reboots, do not load GUEST.EXE.  You do
     not need to use Guest  to access the drive on this system
     because the drive is already being assigned a drive letter.

     
     ______________________________
     Section 5.3
     No drive letter available for the drive
     
     If all drive letters available for physical drives are in
     use on the system, GUEST.EXE will be unable to assign a
     drive letter to the drive you want to support.  Use the DOS
     LASTDRIVE command in the computer's CONFIG.SYS file to
     increase the number of physical drive letters.  For example,
     adding the statement LASTDRIVE=m to CONFIG.SYS will provide
     drive letters for ten additional drives after drive C:.  The
     following procedure provides detailed instructions for
     editing the CONFIG.SYS file. 

     Step 1:  Use a text editor to open the CONFIG.SYS file.

     You can use the Notepad in Windows, the DOS EDIT program, or
     any other ASCII text editor.  The CONFIG.SYS file is a text
     file located in the root directory on the computer's boot
     drive (C:).

     Step 2:  Add the following line to the end of the CONFIG.SYS
     file.

                         LASTDRIVE=m 

     This will provide ten additional drive letters for any new
     drives you want to add to your system, including your Zip or
     Jaz drive.  If you do not need all of the drive letters
     between d: and m: for physical drives, you can use a letter
     earlier in the alphabet in place of the letter m; however,
     make sure you provide enough drive letters after e: to
     accommodate the drive you are using with Guest and any other
     drivers you may add to your system.  If your CONFIG.SYS file
     already has a LASTDRIVE line, change the last drive letter
     to one further down the alphabet.  Do not set the last drive
     letter to a letter late in the alphabet, such as X, Y, or Z,
     as this will use extra memory and prevent access to network
     drives assigned these letters on your system.

     Step 3:  Save the changes to the CONFIG.SYS file and exit
     the text editor.

     If you are using an editor that has a variety of file
     formats, be sure to save as ASCII text or DOS text.

     Step 4:  Reboot the computer.

     Load GUEST.EXE after the computer boots. 

     Network Users:  You may have to relocate your network drive
     letter.  

     Ask your network administrator for help, or refer to the
     following instructions:

     Your first network drive letter will be the letter following
     the one used in the LASTDRIVE statement in your CONFIG.SYS
     file.  For example, if you used LASTDRIVE=m, the first
     network drive letter will be N.

     If your network drive letter has changed, applications you
     are running from the network (such as Windows or other
     applications that reference specific drive letters) may fail
     to work correctly unless they are reinstalled or adjusted
     for the drive letter change.  If you use a batch file to
     connect to the network, it will need to be adjusted to the
     new drive letter.  Your network login script may need to be
     revised if it refers to a specific drive letter for your
     network drive.

     Check the following:

     * Edit the Path statement in your AUTOEXEC.BAT file to
     correctly reference your new network drive letter.
 
     * Edit any batch files which load shells or applications
     from a network (including AUTOEXEC.BAT) to correctly
     reference new drive letter assignments.
 
     * Edit your Windows "INI" files and your Windows groups to
     correctly reference your new drive letters.
 
     * Check other application setup files.  Rerun the setup if
     drive letters cannot be edited.
 
     * Check your user login script for references to specific
     network drive letters.  
 
     Reboot your computer and check your applications. 
     Applications that do not work with the new drive letter may
     need to be reinstalled.
     
     
     _____________________________
     Section 5.4
     Using Guest with non-Iomega ASPI managers

     The Guest driver utilizes ASPI managers to communicate with
     drives connected through a SCSI host adapter.  The "Install"
     floppy for Windows/DOS includes a set of ASPI managers for
     Iomega adapters.  If you are using a non-Iomega host adapter
     and ASPI manager software, you may need to edit the
     GUEST.INI file and add a line for the non-Iomega ASPI
     manager.  (If the adapter does not have an ASPI manager,
     Guest will not be able to operate.)

     Use the following procedure to edit the GUEST.INI file:
     
     Step 1:  Copy all files on the "Install" floppy for
     Windows/DOS to another disk.

     The "Install" floppy disk is permanently write-protected, so
     in order to edit the GUEST.INI file and use the new file to
     run the Guest program, you must copy the files to another
     disk.  You can copy the files to another floppy disk or to
     the hard disk on the computer where you will be using the
     Guest program.  If you need instructions on copying files,
     refer to the documentation that came with your Windows or
     DOS programs.

     Step 2:  Use a text editor to open the GUEST.INI file.
     Locate the GUEST.INI file on your copy of the "Install"
     floppy diskette.  The GUEST.INI file is a text file, so you
     can use the Notepad in Windows, the DOS EDIT program, or any
     other ASCII text editor to edit it.  

     Step 3:  Add a command line for the non-Iomega ASPI manager.
     Use the following syntax:  
     
     ASPI=<full path for ASPI manager><ASPI manager filename>
     
     The following line is an example for an ASPI2DOS ASPI
     manager which is located in the directory C:\ASPI:
     
               ASPI=C:\ASPI\ASPI2DOS.SYS
     
     If you do not know the path or filename for the non-Iomega
     ASPI manager, refer to the documentation that came with the
     adapter or ASPI software.
     
     Step 4:  Save the changes to the GUEST.INI file and exit the
     text editor.  If you are using an editor that has a variety
     of file formats, be sure to save the GUEST.INI file as ASCII
     text or DOS text.

     Step 5: Use your edited copy of the "Install" floppy disk to
     run the Guest program.

     ASPI Manager Reference:  Detailed reference information on
     the ASPI managers included with the Guest driver is located
     in the electronic "Installation Manual" (MANUAL.EXE).  You
     can access the manual from the "Install" floppy for
     Windows/DOS by typing:

               A: <Enter>
          MANUAL <Enter>


     _____________________________
     Section 5.5
     Drive C: no longer accessible

     If you are booting from an Iomega PC1600 or Adaptec adapter,
     the ASPI manager for the adapter must be installed in the
     computer's CONFIG.SYS file before GUEST.EXE is run.  If the
     ASPI manager is not installed in CONFIG.SYS when GUEST.EXE
     is run, Guest will load the ASPI manager via the GUEST.INI
     file, which will cause drive C: to no longer be accessible.  

     NOTE:  The ASPI manager for the bootable adapter must be
     loaded before any other ASPI managers in the CONFIG.SYS
     file.  If you need information on installing ASPI managers,
     refer to the electronic "Installation Manual" (MANUAL.EXE). 
     You can access the manual from the "Install" floppy for
     Windows/DOS by typing:

               A: <Enter>
          MANUAL <Enter>

     
     _________________________________________________________
     Section 6
     Required Files for Using Guest
     
     All of the files needed to load Guest are present on the
     "Install" floppy for Windows/DOS.  If you create additional
     floppies for loading Guest, make sure you include the
     following files:

          GUEST.EXE
          GUEST.INI
          ASPIPPM1.SYS /INFO FILE=NIBBLE.ILM SPEED= 1
          ASPIIDE.SYS /INFO
          ASPI2930.SYS /D
          ASPIPC16.SYS INFO
          ASPI1616.SYS /SCAN /INFO
          ASPIPC8.SYS /SCAN /INFO
          ASPIPC2.SYS /SCAN /INFO
          ASPIPC4.SYS /SCAN /INFO
          NIBBLE.ILM (Required for ASPIPPM1.SYS)
          MODULE.INI

     Refer to Section 4.2, "Express Loading Guest," for
     instructions on customizing the GUEST.INI file to minimize
     the time it takes to load Guest.
     

     
     _________________________________________________________
     Section 7
     Using Guest as a Permanent Driver

     The Guest program, GUEST.EXE, is also the permanent driver
     program for your drive under Windows 3.1.  If you install
     the Tools software using the SETUP.EXE program on the
     "Install" floppy for Windows/DOS, it automatically installs
     GUEST.EXE in the computer's AUTOEXEC.BAT file.  This causes
     GUEST.EXE to run each time the computer boots.  If Guest can
     locate a Zip or Jaz drive (or other supported drive), it
     loads into the computer's memory and assigns your drive a
     drive letter.  If Guest cannot locate a supported drive, it
     does not load.

     If you use the Guest program frequently on a particular
     computer, you may want to install GUEST.EXE as a permanent
     driver on that computer.  If Windows is installed on the
     computer, the easiest way to permanently install Guest is by
     using the Setup program on the "Install" floppy for
     Windows/DOS.  If desired, you can select to install only the
     driver.

     To run the SETUP.EXE program, insert the Windows/DOS
     "Install" floppy disk into the computer's floppy drive. 
     Load Windows and choose Run from the Program Manager's File
     menu.  In the Command Line box, type either a:setup (if the
     "Install" floppy is in drive a:), or b:setup (if the Install
     floppy is in drive b:), then click on OK or press the Enter
     key.

     If the computer does not have Windows, you can manually
     install GUEST.EXE as the permanent driver in the computer's
     AUTOEXEC.BAT file.  For a detailed manual installation
     procedure, refer to MANUAL.EXE located on your "Install"
     floppy diskette.
Download Driver Pack

How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.

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