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GUEST HELP July 31, 1997 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 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 Computer hangs when you run Guest 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 Loading GUEST from the Install floppy Loading GUEST from the Install CD 8 Using Guest on Other Systems _________________________________________________________ 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 Tools software. There are versions of Guest for both Macintosh and PC systems. Guest for IBM-compatible PC's running Windows 3.1 and/or DOS is described here. If you want to use your drive on a PC running Windows 95 or on a Macintosh, refer to the section on "Using Guest on Other Systems" later in this file. 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. 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 the drive's Installation Guide. 2. Insert the "Install" floppy diskette for Windows/DOS or the "Install CD" into the computer's appropriate 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 "d:Guest" (where "d:" is the drive letter for your CD-ROM drive), 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. _________________________________________________________ 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 Zip or Jaz drive through the computer's SCSI host adapter. To provide Guest with the flexibility to use a variety of host adapters, the Windows/DOS "Install" diskette or CD-ROM that came with your drive includes ASPI managers for all current Iomega adapters. 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" diskette for Windows/DOS, or from the root directory of the "Install CD," to a floppy disk or your hard drive. The "Install" diskette and CD are 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 diskette 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 the new copy of your "Install" diskette (or on your hard drive) 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 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 Jaz jet PCI Ultra (PC/Mac model) ADVASPI.SYS Jaz jet PCI (PC/Mac model) ADVASPI.SYS Jaz jet (PC-only model) ASPI8DOS.SYS Jaz jet ISA ASPIPC16.SYS Jaz Traveller ASPIPPM1.SYS* Jaz Card PCMCIA SCSI adapter ASPIPC16.SYS Parallel Port Zip drive ASPIPPM1.SYS* Zip zoom SCSI Accelerator ASPIPC16.SYS Zip Card PCMCIA SCSI adapter ASPIPC16.SYS Zip ATAPI drive ASPIATAP.SYS Zip IDE drive ASPIIDE.SYS PC1616 adapter ASPI1616.SYS PC1600 adapter ASPIPC16.SYS *Some hardware uses ASPIPPM2.SYS rather than ASPIPPM1.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 line: rem ASPI=ASPIIDE.SYS /INFO /SCAN rem ASPI=ASPIATAP.SYS /INFO /SCAN rem ASPI=ASPIPPM1.SYS /INFO FILE=NIBBLE.ILM SPEED= 1 rem ASPI=ASPIPPM2.SYS /INFO FILE=NIBBLE2.ILM SPEED= 1 rem ASPI=ASPI8DOS.SYS /D rem ASPI=ADVASPI.SYS rem ASPI=ASPIPC16.SYS /SCAN /INFO ASPI=ASPI1616.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 or "Install CD" 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" diskette for Windows/DOS or "Install CD" by going to the DOS prompt and typing: A: <Enter> (or D: where D is your CD-ROM drive) 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. To tell GUEST.EXE which drive letter to use, add the following option to the GUEST.EXE command line: letter=[the first drive letter you want Guest to use] For example, the following command line would tell Guest to assign "g:" to the first drive it finds to support: guest letter=g If you have more that one drive supported by GUEST.EXE, each additional drive would receive a drive letter following G in alphabetical order. (When supporting more than one drive, GUEST.EXE assigns drive letters in order of SCSI ID number from lowest to highest.) NOTES: The Letter option can be used when running GUEST.EXE from a floppy diskette, or it can be added to the GUEST.EXE command line in the computer's AUTOEXEC.BAT file. (See Section 7, "Using Guest as a Permanent Driver" for information on installing GUEST.EXE in the AUTOEXEC.BAT.) When using the Letter option, there must be a LASTDRIVE statement in the computer's CONFIG.SYS file that specifies a letter later in the alphabet than that used with the Letter option. If GUEST.EXE is supporting more than one drive, the LASTDRIVE statement must provide enough drive letters for all supported drives. If you need detailed instructions on adding a LASTDRIVE statement to CONFIG.SYS, refer to the information in Section 5.3, "No drive letter available for the drive." _________________________________________________________ Section 5 Solving Problems that may occur when using Guest _____________________________ 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 drives were found, or if Guest tells you that no drive letters were added, and yet you cannot access your drive, there is probably a hardware installation problem that is preventing Guest from locating your Zip or Jaz drive. Refer to the printed User's Guide that shipped with your drive for hardware installation troubleshooting information. _____________________________ Section 5.2 Computer hangs when you run Guest If the computer hangs when you run Guest, edit the GUEST.INI file and remove (rem) all ASPI managers except the one you need to load. If you are using a non-Iomega adapter and Guest hangs, rem all of the ASPI managers in the GUEST.INI file and make sure the ASPI manager for the non-Iomega adapter is correctly installed in the computer's CONFIG.SYS file. For detailed instructions on editing GUEST.INI to rem ASPI managers, refer to the instructions in Section 4.2, "Express Loading Guest." _______________________________ Section 5.3 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 it is assigned duplicate drive letters 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. NOTE: It is recommended that you always use an Iomega driver (either GUEST.EXE or SCSIDRVR.SYS) to support your Zip or Jaz drive. If you see two drive letters after running GUEST.EXE, check your system to make sure a non-Iomega driver is not supporting your Iomega drive. Note that if the drive is under BIOS control (either adapter or computer BIOS), disk removability will not be supported. ______________________________ Section 5.4 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 drives 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, and 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 5.5 Using Guest with non-Iomega ASPI managers The Guest driver utilizes ASPI managers to communicate with drives connected through a SCSI host adapter, so the "Install" diskette for Windows/DOS and "Install CD" include ASPI managers for current Iomega adapters. If you are using a non-Iomega host adapter and ASPI manager software, make sure the ASPI manager is correctly loaded in the computer's CONFIG.SYS file. This will enable GUEST.EXE to locate any Iomega drives connected to the adapter. If you need instructions on installing the ASPI manager software in CONFIG.SYS, refer to the documentation that came with the adapter. NOTE: If the adapter does not have an ASPI manager, Guest will not be able to operate. _____________________________ Section 5.6 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 Iomega ASPI managers, refer to the electronic "Installation Manual" (MANUAL.EXE). You can access the manual from the "Install" diskette for Windows/DOS or from the "Install CD" by typing: A: <Enter> (or D: where D is your CD-ROM drive) MANUAL <Enter> _________________________________________________________ Section 6 Required Files for Using Guest All of the files needed to load Guest are present on the "Install" floppy diskette for Windows/DOS or in root directory of the "Install CD". If you create additional disks for loading Guest, make sure you include the following files: GUEST.EXE GUEST.INI ASPIPPM1.SYS ASPIPPM2.SYS ASPIIDE.SYS ASPIATAP.SYS ASPI8DOS.SYS ADVASPI.SYS ASPIPC16.SYS ASPI1616.SYS NIBBLE.ILM (Required for ASPIPPM1.SYS) NIBBLE2.ILM (Required for ASPIPPM2.SYS) 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 Zip or Jaz drive under Windows 3.1. If you install Tools software under Windows 3.1 using the SETUP.EXE program, 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 diskette for Windows/DOS or in the root directory of the "Install CD". If desired, you can select to install only the driver. _________________________________________________________ Section 7.1 Loading GUEST from the Install floppy To run the SETUP.EXE program, insert the Windows/DOS Install diskette 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 diskette is in drive a:), or b:setup (if the Install diskette 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 detailed manual installation procedures, refer to MANUAL.EXE located on your "Install" floppy diskette. _________________________________________________________ Section 7.2 Loading GUEST from the Install CD To run the SETUP.EXE program, insert the Install CD that shipped with your drive into the computer's CD-ROM drive. Load Windows and choose Run from the Program Manager's File menu. In the Command Line box, type d:setup (where "d:" is the drive letter for your CD-ROM drive), 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 detailed manual installation procedures, refer to MANUAL.EXE located in the root directory of the "Install CD". _________________________________________________________ Section 8 Using Guest on Other Systems In addition to Guest for Windows 3.1/DOS, there are versions of Guest for Windows 95 and for Macintosh. Use these other versions of Guest if you ever need to use your Zip or Jaz drive temporarily on one of these systems. Windows NT Users: There is not currently a version of Guest for Windows NT because Windows NT does not yet support plug- and-play. When connecting a Zip or Jaz drive to a Windows NT system, refer to the adapter installation instructions in the NTReadme.txt file on the Windows NT Install diskette or on the "Install CD" that came with your drive. To use your drive on a PC running Windows 95: 1. Power down your machine and connect your drive. 2. Insert the Windows/DOS "Install" diskette or "Install CD" that came with your Zip or Jaz drive into the computer's appropriate drive. 3. Open My Computer and double click on the appropriate drive icon (floppy or CD-ROM drive). 4. Double click the icon for Guest95. Refer to "Help for Guest95" for additional information. To use your drive on a Macintosh: You can load the Iomega Driver temporarily from any Zip or Jaz disk that is formatted for Macintosh: 1. Shut down the Macintosh and connect your Zip or Jaz drive. 2. Turn on power to your drive and insert a Mac-formatted disk. (This procedure will work only if you use a Zip or Jaz disk that is formatted for Macintosh.) 3. Start the Macintosh following your normal startup procedure. NOTE: The Mac must be using a version of System 7 (up to 7.5.5). If you install Tools software on the Macintosh as well as on your PC, you can refer to Iomega Guest Help on the Macintosh for additional information.