READDOS.TXT Driver File Contents (7800_fms303_disk1.exe)

                     Adaptec 7800 Family Manager Set v3.03
                     DOS Drivers for CD-ROM access

This section describes how to set up and install the DOS mode CD-ROM drivers.

Install the CD-ROM drivers only if DOS mode access is required for a SCSI CD-ROM drive attached to an Adaptec Host Adapter. DOS mode access is needed during certain Windows 95, Windows 98, or Netware installation.  If Windows 95, Windows 98, or NetWare is already installed, or if the CD-ROM drive is not connected to a SCSI adapter, these drivers do not need to be copied or installed. However, you may choose to install these drivers if you are having trouble accessing your CD-ROM from Netware or Windows 95/98.

NOTE: You do not need these drivers for Windows NT or UNIX.

The following CD-ROM driver files are provided on the Adaptec Family Manager Set driver diskette:


You may also need the file MSCDEX.EXE available from MS-DOS 6.0 or higher, 
Windows boot diskettes, Windows 95/98 \windows\command directory, or the Microsoft website.

Update Windows 95/98 installation diskettes

To update the Windows 95 or 98 Boot Diskette that came with your Windows 95 or 98 CD, make a backup of the Boot Diskette. If the Boot Diskette is not available, an Emergency Recovery Diskette can be created by using the Add/Remove Programs Control Panel, and selecting the Startup Disk tab.  Then copy ASPI8U2.SYS, ASPI8DOS.SYS, and ASPICD.SYS from the DOS directory of the Adaptec Family Manager Set driver diskette to the root directory of the Windows 95 or Windows 98 Boot Diskette. The steps to do this will depend on your system setup. This is easier to do on a system that has DOS, Windows 95, or Windows 98 already installed. Here is one example:  

Insert the Adaptec Family Manager Set driver diskette in drive a: and at the DOS prompt type:
      copy  a:\dos\aspi8u2.sys  c:\  (For Ultra2 Adapters)
      copy  a:\dos\aspi8dos.sys c:\  (For Legacy (non-Ultra2) Adapters)

Then insert the backup Windows Boot Disk in drive a: and type:
      copy  c:\aspi8u2.sys  a:\   (For Ultra2 Adapters)
      copy  c:\aspi8dos.sys a:\   (For Legacy (non-Ultra2) Adapter)

Update the CONFIG.SYS and AUTOEXEC.BAT files using the procedure described below.

Install CD-ROM drivers on a DOS bootable diskette or hard drive

Follow these steps if you want to enable SCSI CD-ROM access from either a bootable DOS diskette or a bootable hard drive.

The following systems files will be modified:


1. Copy the files ASPI8U2.SYS, ASPI8DOS.SYS and ASPICD.SYS from the DOS directory of the Adaptec Family Manager Set driver diskette to the appropriate drive (either A: or C:) and directory in which they will be used (for example c:\SCSI).

2. Using a text editor, modify the CONFIG.SYS file for loading ASPI8U2.SYS, ASPI8DOS.SYS, and ASPICD.SYS.
If you do not currently have a CONFIG.SYS file, create this file in the A:\ or C:\ directory. Otherwise, add these lines to the existing CONFIG.SYS.  
Below is an example of what the command strings should look like:


NOTE: Make sure you customize the command strings above to reflect the actual location or path of the ASPI8U2.SYS, ASPI8DOS.SYS, and ASPICD.SYS files.  The ASPI8DOS.SYS driver is needed for any Legacy(non-Ultra2) adapters.  The ASPI8U2.SYS driver is needed for any Ultra2 adapters.

3. Modify the AUTOEXEC.BAT file for loading MSCDEX. If you do not currently have an AUTOEXEC.BAT file, create this file in the A:\ or C:\ directory. Otherwise, add these lines to the existing AUTOEXEC.BAT.  

          C:\DOS\MSCDEX.EXE /D:ASPICD0 /M:12

This will assign the CD-ROM to the next available driver letter, typically D: if there is only one DOS drive.  

NOTE: Make sure you customize the command strings above to reflect the actual location or path of the MSCDEX.EXE file. For example if your MSCDEX.EXE file is located in the c:\windows\command directory, either copy the MSCDEX.EXE file to the DOS directory above or change C:\DOS to reflect the new path. Verify that the text string following the driver, i.e., /D:ASPICD0 is exactly the same for both the ASPICD.SYS driver and the MSCDEX.EXE command lines.

NOTE: If you are using MS-DOS 5.0 and do not already have MSCDEX.EXE, you will need to either upgrade to MS-DOS 6.0 or above, or download MSCDEX.EXE from Microsoft BBS or CompuServe forum.

4. Reboot your system. You are now able to access your CD-ROM drive from the command line and from Windows or Netware.

Contacting Adaptec

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

* Search the Adaptec World Wide Web at

* Connect to the File Transfer Protocol (FTP) server at

* Search the Adaptec Support Knowledgebase (A.S.K.) at for articles, troubleshooting tips, and frequently asked
questions for your product.

* Access Adaptec's Interactive Fax at 303-684-3400, this is available 23 hours a
  day 7 days a week.  The fax system is out of service for 1 hour each day.

* For Internet support, send technical questions to Adaptec's Technical Support
  Specialists via WebMail at

* For more information about Adaptec's electronic support options, call 
800-959-7274 or 408-945-2550, 24 hours a day, 7 days a week.

* To speak with a Technical Support Specialist, call 408-934-7274, 
Monday-Friday, 6:00 A.M. to 5:00 P.M., Pacific Time. 

After hours, on weekends, and on holidays, product support is available

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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