Western Digital WD1003-WAH Controller               AST Part Number 240011-001

The Western Digital WD1003-WAH hard disk controller is installed in some
models of the Premium/286. It will support up to two hard disk drives, but it
does not support any floppy disk drives. The floppy drive controller is
included on the motherboard.


JUMPER SETTINGS

    The following locations need to be set as follows.

    +----------+-------------------------+
    | LOCATION | STATUS                  |
    +----------+-------------------------+
    |    W1    | JUMPER INSTALLED        |
    |    W2    | NO JUMPER INSTALLED     |
    |    W3    | N/A                     |
    |    W4    | JUMPER INSTALLED ON 2-3 |
    |    W5    | JUMPER INSTALLED ON 2-3 |
    |    W6    | JUMPER INSTALLED ON 2-3 |
    +----------+-------------------------+


CABLE CONNECTIONS

    From the Fixed Disks, cables need to be connected at:

        J1 = FIXED DRIVE CONTROL CABLE
        J2 = FIRST FIXED DRIVE DATA CABLE
        J3 = SECOND FIXED DRIVE DATA CABLE


JUMPER AND CABLE CONNECTION LOCATIONS

    ͻ
          * W6          _____   _____        __________   
          *            [_____] [_____]      [__________] Ķ
                         J3      J2              J1       
          * W4                                            
          *                                               
                          **                              
                          W2     **          * W5         
                                 W1          *            
                                             * W3         
                                             *           Ķ
    ͻ        ͻ            ͼ 
                             ͼ ͼ      
                                                            
