    =

    AST RESEARCH, INC.          TECHNICAL BULLETIN # 1222               6-14-95

    =

    EASYPORT COMPATIBILITY ON AST PORTABLE COMPUTERS

    This is an informational bulletin.

    The following table provides compatibility information for AST portable
    computers and the optional EasyPort port replicator.

    Please note:

    "Supported"   =  Recommended configurations.  All documented features will
    operated correctly.

    "Not Supported" = Configurations not recommended.  The unit may appear to be
    working, however, one or more of the documented features will not operate
    correctly.

    "Not Compatible" = Different mechanical design.  Connection to EasyPort
    not possible.

    				   EasyPort I        EasyPort II       EasyPort III
    				   500974-001        501602-001        501682-001

    Power Exec             Supported         Supported         Not Supported
    BIOS 2.26.01                                               See note # 2

    Ascentia 800N/810N     Not Compatible    Not Compatible    Not Compatible

    Ascentia 900N          Supported         Supported         Supported
    BIOS 2.02.08

    Ascentia 910N          Not Supported     Not Supported     Supported
    BIOS 2.03.02           See note # 1      See note # 1
    Ascentia 950N          Not Supported     Not Supported     Supported
    1.00.06                See note # 1      See note # 1

    NOTES

    1.  EasyPort I & II Power connector not compatible with Ascentia 910N and
        950N AC Adapter.

    2.  EasyPort III Power connector not compatible with PowerExec AC Adapter.