TITLE
    NeXTSTEP 3.3 Driver: Adaptec 274x And 84x Family SCSI
Article ID:
Created:
Modified: 		71759
3/3/99
3/3/99
TOPIC

    This document discusses a device driver for the NeXTSTEP operating system, version 3.3. This driver will not work with any version of OPENSTEP.

DISCUSSION

    Availability Information

    An updated release version of this driver, version 3.32, is avaiable on Apple's FTP servers at:
    ftp://ftp.info.apple.com/Apple_Support_Area/Apple_Software_Updates/MultiCountry/Enterprise/nextstep/drivers/released/Adaptec2740SCSI.pkg.compressed

    Driver Name / Installer .pkg: Adaptec2740
    Driver Type: SCSI
    Driver Scope: Product Family
    Supported Components: Adaptec AIC-7770
    PC Bus / Interface Supported by Driver**: EISA, VL-Bus

    General Overview notes: The Adaptec 274x series driver is designed to support the 274x series of EISA SCSI adapters and the 284x series of VL-Bus SCSI adapters. The 2(7,8)42 versions include a floppy controller.

    Supported Products / Add-on Adapters:
    Adaptec 2740 (EISA) - not tested but should work
    Adaptec 2740T (EISA)
    Adaptec 2840 (VLB)

    Supported Products / Systems (ie integrated into PC System):


    Special Features of Driver / Driver Notes:
    The 274x is available in a 'T' version that includes two SCSI channels, both channels are supported by this driver.

    The onboard floppy controller available on the 2(7,8)42 cards is not supported.

    SCSI Driver Details

    Supported Connectors: 50-pin Header (Internal SCSI), 50-pin High Density (SCSI-2), 68-pin High Density (Wide SCSI)
    Access Mode: DMA
    Attributes**: SCSI-2
    Cache Size Supported**: N/A

    Known Problems

    The 284x driver uses port 4c00 by default. You must set the DIP switches on your 284x card to use this port. The correct settings are:
    sw1:on
    sw2:on
    sw3:off
    sw4:off

    The 274x driver uses port 0x4c88 by default.


    Driver Version Notes



    ** - Indicates information that is inclusive of the entire capability of this driver. Not all devices supported by this driver may include all features listed. Check any available NeXTanswers and the hardware manual for the device for additional information.

    Product Vendor
    Adaptec Inc.
    691 South Milpitas Blvd.
    Milpitas, CA 95035
    USA

    +1 (408) 945 8600 international phone number
    +1 (800) 959 7274 USA toll-free (customer support) phone
    +1 (408) 945 7727 bulletin board system
    +1 (408) 957 7150 faxback system
    +1 (408) 262 2533 fax
    WWW: http://www.adaptec.com/

Document Information
Product Area: Apple Software
Category: NeXTSTEP
Sub Category: Drivers

Copyright © 2000 Apple Computer, Inc. All rights reserved.