MP-II                                               AST Part Number 202033-xxx

The MP-II board is a Memory Expansion board designed for the IBM PCs and XTs
and 100% compatibles running at 4.77 MHz.  It can be configured to hold
between 64K and 384K of conventional memory using industry standard 64K
Dynamic RAM memory chips.  In addition to any installed memory, the MP-II
comes complete with a Clock/Calendar.  The MP-II cannot expand your computer
beyond 640K and does not support Extended Memory or EMS/EEMS memory.


SWITCH SETTINGS

       STARTING ADDRESS          MEMORY INSTALLED ON MP II

              S1   S2   S3                  S4   S5   S6
             ---  ---  ---                 ---  ---  ---
    64K      OFF  OFF  OFF          0K     OFF  OFF  OFF
   128K      OFF  OFF   ON         64K     OFF  OFF   ON
   192K      OFF   ON  OFF        128K     OFF   ON  OFF
   256K      OFF   ON   ON        192K     OFF   ON   ON
   320K       ON  OFF  OFF        256K      ON  OFF  OFF
   384K       ON  OFF   ON        320K      ON  OFF   ON
   448K       ON   ON  OFF        384K      ON   ON  OFF
   512K       ON   ON   ON

   S7 - NOT USED
   S8 - Parity Enable (Recommended to be set ON at all times)


JUMPER SETTINGS

    Location "CS"

        Installed - Clock Enabled
        Removed   - Clock Disabled


SWITCH AND JUMPER LOCATION

    +---------------------------------------------------------------+ +---
    |                                                               +-+
    |                                   ON +-------+                | |
    |                                      | S1-S8 |         BATT   | |
    |                                  OFF +-------+                | |
    |                                         SW-1                  | |
    |                                                               | |
    |                             CLOCK                             | |
    |                            SELECT  *                          | |
    |                            JUMPER                             | |
    |                                                               +-+
    +---------------------------------------------+            +----+ |
                                                  +------------+      |
                                                                      |