Driver:     Windows NT Driver for the AIC-7770

Version:    1.11


Directory Structure:

    \DISK1
    \TXTSETUP.OEM
    \WINNT\ARROW.SYS
    \WINNT\OEMSETUP.INF

Installation:

    A.  Installation as a non-boot device using Windows NT Setup program

    1.  Following hardware installation, run the Windows NT Setup program
    from within the Main program group.  Select Options from the Menu.  A
    pop-up menu will appear.  From the pop-up menu, choose Add/Remove SCSI
    Adapters.  A dialog box titled SCSI Adapter Setup will appear on the
    screen.  If the AHA-274x / AIC-7770 driver is already installed remove
    it first, then choose Add.  The AHA-274x / AIC-7770 driver is already
    installed if it appears    in the list.  Ignore any warnings, if any, and
    select OK.  Another    dialog box will appear titled Select SCSI Adapter
    Option.  From the scroll window titled Adapter:, select "Other(Requires
    a disk from the hardware manufacturer)".  A new dialog box will appear
    asking for the path to the drivers.  Specify the path to the AHA-274x /
    AIC-7770 driver.  For example, if drive a: is the floppy drive used for
    installation, type:

        a:\winnt

    Choose "2740 / AIC 777x"" from the list.  Choose Install from the next
    dialog.  Follow the succeeding instructions.  If the AHA-274x / AIC-777x
    is also a boot device, do step B before rebooting.



    B.  Installation as a Boot Device

    If the AHA-274x / AIC-7770 is used as a boot device, follow the previous
    installation instructions in A. then do the following:


        1. Use ATTRIB.EXE to change the attribute of NTBOOTDD.SYS in the
        root directory of the boot drive using the following command in DOS
        box:

           ATTRIB -R -H -S NTBOOTDD.SYS

        2. Copy the new ARROW.SYS over to NTBOOTDD.SYS.

        3. Change the attribute of NTBOOTDD.SYS back by using ATTRIB.EXE.

        ATTRIB +R +H +S NTBOOTDD.SYS



    C.  Fresh Installation or Reinstallation

    If installing Windows NT into a new machine or reinstalling NT over
    an existing system, then follow these steps:

        1. Delete ARROW.SYS from NT installation diskette which came from
        Microsoft.  You may want to backup the original diskette before
        deleting ARROW.SYS.

        2. Follow the regular NT installation procedures and select CUSTOM
        setup. The installation program scans your system for SCSI host 
        adapters and displays a list of recognized adapters. In most
        cases, the list will read "(none)". Press S to configure additional
        SCSI adapters. The Windows NT installer will display a list of 
        options, select "Other (Requires disk provided by a hardware 
        manufacturer)". The installation program will prompt you to insert 
        a disk into drive A:. Insert the 7700 Family Manger Set diskette
        (this disk) into drive A: and press enter. A window will appear that 
        displays "Adaptec 2740 / AIC 777x". Press ENTER to select this 
        driver and continue with the Windows NT installation.