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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.