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                   Adaptec 7800 Family Manager Set v2.0 for Windows 95
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Welcome to Adaptec 7800 Family Manager Set v2.0
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The following information is available in this README file:

   o Supported Hardware
   o Changes From Prior Release
   o Installation Instructions
   o Known Issues
   o Diskette Contents
   o Contacting Adaptec



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Supported Hardware
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The following Adaptec SCSI Host Adapters are supported:

   Adaptec Host Adapter   Description
   --------------------   -----------
   AHA-2910               PCI-to-Fast SCSI (non-bootable)
   AHA-2930               PCI-to-Fast SCSI
   AHA-2940               PCI-to-Fast SCSI
   AHA-2940W              PCI-to-Fast and Wide Single-ended SCSI
   AHA-2940AU             PCI-to-Ultra Single-ended SCSI
   AHA-2940U              PCI-to-Ultra Single-ended SCSI
   AHA-2940UW             PCI-to-Ultra Wide Single-ended SCSI
   AHA-2944W              PCI-to-Fast and Wide Differential SCSI
   AHA-2944UW             PCI-to-Ultra Wide Differential SCSI

   AHA-3940               MultiChannel PCI-to-Fast SCSI
   AHA-3940W              MultiChannel PCI-to-Fast and Wide SCSI
   AHA-3940U              MultiChannel PCI-to-Ultra SCSI
   AHA-3940UW             MultiChannel PCI-to-Ultra Wide SCSI
   AHA-3940UWD            MultiChannel PCI-to-Ultra Wide SCSI with dual
                          external connectors
   AHA-3944UWD            MultiChannel PCI-to-Ultra Wide Differential SCSI
                          with dual external connectors
   AHA-3940AU             MultiChannel PCI-to-Ultra SCSI
   AHA-3940AUW            MultiChannel PCI-to-Ultra Wide SCSI
   AHA-3940AUWD           MultiChannel PCI-to-Ultra Wide SCSI with dual
                          external connectors
   AHA-3944AUWD           MultiChannel PCI-to-Ultra Wide Differential SCSI
                          with dual external connectors

   AHA-4944W              Quad Channel PCI-to-Fast and Wide Differential SCSI

   AIC-7850               Single-chip PCI-to-Fast SCSI
   AIC-7855               Single-chip PCI-to-Fast SCSI
   AIC-7856               Single-chip PCI-to-Fast SCSI
   AIC-7860               Single-chip PCI-to-Ultra SCSI
   AIC-7870               Single-chip PCI-to-Fast and Wide SCSI
   AIC-7880               Single-chip PCI-to-Ultra Wide SCSI
   AIC-7895               Single-chip PCI-to-MultiChannel Ultra Wide SCSI



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Changes From Prior Release
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Adaptec 7800 Family Manager Set v2.0 features numerous enhancements including:

   o Support for new PCI IC's and host adapters
   o Better performance than 7800 Family Manager Set v1.30
   o Support for Windows 95, version OSR 2.



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Installation Instructions
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If you are performing a first time Windows 95 installation, see Installing 
the Driver When Installing Windows 95, below.  If Windows 95 is already
installed on your system, see Installing the Driver When Windows 95 is
Already Installed.

(NOTE:  When Windows 95 starts, if a "New Hardware Found" dialog is 
displayed after installing your 7800 Family host adapter, please select 
"Driver from disk provided by hardware manufacturer".  Then insert your 
Adaptec 7800 Family Manager Set v2.0 Diskette and type a:\win95 as the
path; follow the succeeding on-screen instructions.)


Installing the Driver When Installing Windows 95
------------------------------------------------

A version of the aic78xx.mpd driver is embedded (included) in the
Windows 95 installation CD-ROM.  During a normal Windows 95 installation,
the 7800 Family host adapter is detected in your system and the embedded 
aic78xx.mpd driver is automatically installed.  Once the Windows 95 
installation is complete, you can update the aic78xx.mpd driver with the 
most recent version of the driver by following the instructions in 
Installing the Driver When Windows 95 is Already Installed, below.

(NOTE:  If Windows 95 installation cannot detect the 7800 Family host 
adapter installed in your computer, you must install the aic78xx.mpd driver 
manually once Windows 95 installation is complete.  To determine if the 
aic78xx.mpd driver was installed, and to install the driver manually, see 
Installing the Driver When Windows 95 is Already Installed, below.)


Installing the Driver When Windows 95 is Already Installed
----------------------------------------------------------

To update or install the aic78xx.mpd driver if Windows 95 is already
installed, follow these instructions:

(NOTE:  All Adaptec 7800 Family host adapters use the same aic78xx.mpd 
driver.  Once the driver is updated, it is not necessary to update it again 
for each 7800 Family host adapter installed in your system.)


    1 Start Windows 95.

    2 Click the Start button on the Windows 95 task bar, and then
      point to Settings.

    3 Click Control Panel.
    
    4 Double-click the System icon.
    
    5 On the Device Manager tab, click the plus sign next to the SCSI
      controller icon.
    
    (NOTE:  If Windows 95 cannot determine the type of host adapter
    installed in your computer, a yellow question mark labeled Other
    devices appears instead of the SCSI controller icon.  To continue, 
    click the plus sign next to the question mark; a yellow question
    mark labelled PCI SCSI Bus Controller then appears.)
    
    6 Double-click the 7800 Family host adapter you wish to update,
      or if a yellow question mark labelled PCI SCSI Bus Controller
      is displayed, double-click the question mark.
    
    7 Insert the Adaptec 7800 Family Manager Set v2.0 Diskette into drive A:.
      
    8 Select the Driver tab.
    
    (NOTE:  If the version of Windows 95 you are using now displays a 
    window with a Update Driver button instead of a Change Driver button, 
    the remainder of your install procedure is covered in Updating the 
    Driver for Windows 95, Version OSR 2, described below.)
    
    9 Click Change Driver.  You may be asked to select the hardware type;
      if so, select SCSI Controllers.
     
   10 Click the Have Disk button and enter a:\win95 as the path.
      
   11 Click OK.
    
   12 Select the Adaptec 7800 Family host adapter, and click OK.
   
   13 Again, click OK.  The driver is now installed.
   
   14 You must restart your computer for the changes to take effect.  Click 
      Yes to restart your computer.  Click No to return to the system 
      properties window.


Updating the Driver for Windows 95, Version OSR 2
-------------------------------------------------

This section covers the remaining steps to updating the driver on
Windows 95, version OSR 2.

(NOTE:  If you have not already done so, follow the instructions in
Installing the Driver When Windows 95 is Already Installed, above.)

    1 Click Update Driver.
    
    2 Insert the Adaptec 7800 Family Manager Set v2.0 diskette into driver 
      A:.
    
    3 In the Update Device Driver Wizard, select Yes, and click Next.
    
    4 Select Other locations.
    
    5 Under the Location edit box, type a:\win95, then click OK.
    
    6 Click the Finish button.
    
    7 At the message "Please insert the disk labeled '7800 Family Manager 
      Set v2.00 Installation Disk'."  Insert the Adaptec 7800 Family 
      Manager Set v2.0 diskette and click OK.
    
    8 Another dialog box, Copying Files, appears with the message "The file
      'AIC78XX.MPD' on 7800 Family Manager Set v2.0 Installation Disk 
      could not be found ...".  Type a:\win95 in the Copy Files from the 
      edit box and click OK.  The driver is now installed.
    
    9 You must restart your computer for the changes to take effect.  Click 
      Yes to restart your computer.  Click No to return to the system 
      properties window.

    (NOTE: If you attempt to re-update the driver again, at step 3 above
    you will need to select No, click Next, and follow the on-screen
    instructions to re-update.)


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Known Issues
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    o Due to an inherent Windows 95 bug, each channel of a MultiChannel 
      adapter must be updated/installed manually with the aic78xx.mpd
      driver on a freshly installed Windows 95 system.  Please follow the
      instructions listed under Installing the Driver When Windows 95
      is Already Installed for each channel.  This problem has been fixed
      in Windows 95, version OSR 2.

    o Real mode ASPI drivers from EZ-SCSI are not needed, because
      Windows 95 miniport drivers support most SCSI host adapters and
      SCSI devices.  However, you will need to load the ASPI drivers 
      (including mscdex, if you have CD-ROM drive) if any of the following
      are true: 
      
      o You are running in MS-DOS mode and need to access your CD-ROM 
        drive.
      
      o You are using a scanner or another SCSI device with config.sys
        or autoexec.bat based drivers, such as HP's sjiix.sys.
        
      o You have an older model SCSI-1 CD-ROM driver that Windows 95 does 
        not support.
      
      o You are using a CD-Recorder drive (however, some newer models of
        CD-Recorder drives can use the embedded Windows drivers).
        
    o Some older models of SCSI CD-ROM drives are not compatible with the 
      embedded Windows 95 CD-ROM driver.  You can add support for the 
      CD-ROM drive by doing the following:
      
      1 Make sure your ASPI real mode drivers (including aspi8dos.sys, 
        aspicd.sys and mscdex.exe) are loaded and running from your 
        config.sys and autoexec.bat files.  Consult your EZ-SCSI 
        installation guide for more details.
      
      2 If step 1 did not work, find the file named cdtsd.vxd in the 
        \windows\system\iosubsys directory and rename it to cdtsd.sav.
        
    o The mapping between mscdex, which runs in real mode, and the
      Windows 95 CD-ROM driver does not match.  You can correct this in
      one of two ways:
      
      1 Comment out the line that loads mscdex.exe in the autoexec.bat 
        file.
      
      2 Change the /L switch on the line that loads mscdex.exe in the
        autoexec.bat file so it assigns the CD-ROM drive the next highest 
        logical drive letter after the hard disk drives.



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Diskette Contents
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The following files are included in this diskette:

    o \WIN95\AIC78XX.MPD - 7800 series miniport for Windows 95
    o \WIN95\AIC78XX.INF - Install script used by Windows 95 setup
    o \WIN95\README.TXT - This file
    o \WIN95\ADPINSTR.VXD - Instrumentation Helper Virtual Device Driver



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Contacting Adaptec
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Electronic Support
------------------

Technical information, including product literature, answers to commonly asked 
questions, information on software upgrades and other topics is available 
electronically through the following:

   o Adaptec World Wide Web (WWW) site at http://www.adaptec.com.
   o File Transfer Protocol (FTP) server at ftp.adaptec.com.
   o CompuServe Adaptec Forum at GO ADAPTEC.
   o Adaptec USA Bulletin Board Service (BBS) at 408-945-7727; supports up to
     28,800 bps (bits per second), 8 data bits, 1 stop bit, no parity. No
     product literature is available on the Adaptec BBS.
   o Interactive Fax System at 408-957-7150; available 23 hours a day, 7 days
     a week. The fax system is out of service 1 hour each day.


Technical and Product Support
-----------------------------

   o For technical support and information about many of Adaptec’s electronic
     support services, call 800-959-SCSI (7274) or 408-945-2550, 24 hours
     a day, 7 days a week.
   o To use the Adaptec Interactive Support System, call 800-959-SCSI (7274)
     or 408-945-2550, 24 hours a day, 7 days a week.  The system prompts you
     with questions regarding your problem and then provides step-by-step
     troubleshooting instructions.
   o To speak with a product support representative, call 408-934-SCSI (7274),
     M-F, 6:00 a.m. to 5:00 p.m., Pacific Time. After hours, on weekends, and
     on holidays, product support is also available for a fee at 800-416-8066.


Sales and Ordering Information
------------------------------

   o For sales information, call 800-442-SCSI (7274), M-F, 6:00 a.m. to
     5:00 p.m., Pacific Time, or 408-945-8600 and ask for Inside Sales, 
     M-F, 8:00 a.m. to 5:00 p.m., Pacific Time.
   o To order Adaptec software and SCSI cables, call 800-442-SCSI (7274),
     M-F, 6:00 a.m. to 5:00 p.m., Pacific Time.
   o To request additional documentation for Adaptec products, call
     800-934-2766 or 510-732-3829, M-F, 6:00 a.m. to 5:00 p.m., Pacific Time.



