Western Digital WD1003-WA2                          AST Part Number 240005-001
Hard Drive / Floppy Controller

JUMPER SETTINGS

    The Western Digital Controller controls up to 2 Hard Drives and
    2 Floppies within the AST Premium/286 System.

    +-----------------------------------------------------------------+
    | E2-E3 = Standard Factory Setting (Selects Primary Addresses)    |
    | E5-E6 = Standard Factory Setting (Selects Primary Addresses)    |
    | E1-E2 = Selects secondary addresses                             |
    | E4-E5 = Selects secondary addresses                             |
    | E7-E8 = Standard Factory Setting (Supports 360 RPM Floppies)    |
    | E8-E9 = Jumpered in this Position selects 300 RPM Floppy drives.|
    +-----------------------------------------------------------------+

    NOTE: Do not move the PRIMARY address jumpers unless your operating system
          is configured to accept two hard disk controllers.  Certain
          operating systems support two controllers in the same system.  IBM
          DOS and many IBM-Compatible operating systems do not support this
          feature.


J1 - J5 CONNECTIONS

    +------------------------------------------+
    | J1 = Floppy Drive Cable connection       |
    | J3 = 2nd Hard Drive Data Cable Connection|
    | J4 = 1st Hard Drive Data Cable Connection|
    | J5 = Hard Drive Control Cable Connection |
    +------------------------------------------+


JUMPER/CABLE CONNECITONS    WD1003-WA2 Hard/Floppy Controller (P/N 240005-001)

    ͻ
                                       _   _   _   _                
                                      | | | | | | | |              Ķ
                                      | | | | | | | |               
                                      |_| |_| | | | |               
                            _____     J3  J4  |_| |_|               
                Jumpers--->|_____|            J5  J6                
                E1 - E6                                             
                                                                _   
                                                    Jumpers--->| |  
                                                    E7-E9      |_| Ķ
    ͻ        ͻ            ͼ 
                                       ͼ ͼ      
                                                                      
