AMPRO COMPUTERS, INC.
=====================

   LITTLE BOARD/386SX

   Processor    80386SX                                           
   Processor    25MHz                                             
   Speed        
   Chip Set     Ampro                                             
   Max. onboard 16MB                                              
   DRAM         
   Cache        None                                              
   BIOS         Award                                             
   Dimensions   330mm x 218mm                                     
   I/O Options  Floppy drive interface, IDE interface, parallel   
                port, SCSI connector, serial ports (2)            
   NPU Options  80387SX                                           

<gopher://bitreich.org/I/th99/m/A-B/31601-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | Power connector  |    J1    | SCSI interface    |    J7    |
   |------------------+----------+-------------------+----------|
   | Serial port      |    J2    | Floppy drive      |    J8    |
   | (COM2)           |          | interface         |          |
   |------------------+----------+-------------------+----------|
   | Serial port      |    J3    | IDE interface     |   J11    |
   | (COM1)           |          |                   |          |
   |------------------+----------+-------------------+----------|
   | Keyboard         |    J5    | Power J1-1 to     |    W7    |
   |                  |          | +12V BUS          |          |
   |------------------+----------+-------------------+----------|
   | Parallel port    |    J6    |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |            Function             | Jumper/Switch | Position |
   |---------------------------------+---------------+----------|
   |>> | SCSI controller enabled     |      W1       |  Closed  |
   |---+-----------------------------+---------------+----------|
   |   | SCSI controller disabled    |      W1       |   Open   |
   |---+-----------------------------+---------------+----------|
   |>> | SCSI controller select IRQ3 |    W2 & W3    |  Closed  |
   |---+-----------------------------+---------------+----------|
   |   | SCSI controller select none |    W2 & W3    |   Open   |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |      W4       |   Open   |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |      W5       |   Open   |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | SCSI termination power      |      W6       |  Closed  |
   |   | enabled                     |               |          |
   |---+-----------------------------+---------------+----------|
   |   | SCSI termination power none |      W6       |   Open   |
   |---+-----------------------------+---------------+----------|
   |>> | Floppy clock select 16MHz   |      W10      |  Closed  |
   |---+-----------------------------+---------------+----------|
   |   | Floppy clock select none    |      W10      |   Open   |
   |---+-----------------------------+---------------+----------|
   |>> | Flash EPROM programming     |      W16      |   Open   |
   |   | power +12V to Byte-wide     |               |          |
   |---+-----------------------------+---------------+----------|
   |   | Flash EPROm programming     |      W16      |  Closed  |
   |   | power disabled              |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Watchdog timer output       |      W17      |   Open   |
   |   | selection                   |               |          |
   |---+-----------------------------+---------------+----------|
   |   | Watchdog timer output none  |      W17      |  Closed  |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |      W18      |   Open   |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Floppy PCVAL selection      |      W19      |   Open   |
   |---+-----------------------------+---------------+----------|
   |   | Floppy PCVAL none           |      W19      |  Closed  |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |      W21      |   N/A    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Factory configured - do not |      W22      |   N/A    |
   |   | alter                       |               |          |
   |---+-----------------------------+---------------+----------|
   |>> | Power fail NMI enabled      |      W23      |   Open   |
   |---+-----------------------------+---------------+----------|
   |   | Power fail NMI none         |      W23      |  Closed  |
   |---+-----------------------------+---------------+----------|
   |>> | Parallel port interrrupt    |      W24      |   Open   |
   |   | option select via setup     |               |          |
   |---+-----------------------------+---------------+----------|
   |   | Parallel port interrrupt    |      W24      |  Closed  |
   |   | option none                 |               |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      512KB       |    (2) 256K x 9    |        NONE        |
   |------------------+--------------------+--------------------|
   |       1MB        |    (2) 256K x 9    |    (2) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       2MB        |     (2) 1M x 9     |    (2) 256K x 9    |
   |------------------+--------------------+--------------------|
   |       4MB        |     (2) 1M x 9     |     (2) 1M x 9     |
   |------------------+--------------------+--------------------|
   |       8MB        |     (2) 4M x 9     |        NONE        |
   |------------------+--------------------+--------------------|
   |       10MB       |     (2) 1M x 9     |     (2) 4M x 9     |
   |------------------+--------------------+--------------------|
   |       16MB       |     (2) 4M x 9     |     (2) 4M x 9     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  EPROM CONFIGURATION (S0)                  |
   |------------------------------------------------------------|
   |   EPROM   |   W8   |           W9            |     W25     |
   |-----------+--------+-------------------------+-------------|
   |  27C256   |  Open  |   pins 7 & 8, 10 & 11   | pins 1 & 2  |
   |-----------+--------+-------------------------+-------------|
   |  27C512   |  Open  | pins 1 & 4, 7 & 8, 10 & | pins 1 & 2  |
   |           |        |           11            |             |
   |-----------+--------+-------------------------+-------------|
   |  27C010   |  Open  | pins 1 & 4, 2 & 5, 6 &  | pins 1 & 2  |
   |           |        |        9, 7 & 8         |             |
   |-----------+--------+-------------------------+-------------|
   |  27C020   |  Open  | pins 1 & 4, 2 & 5, 6 &  | pins 1 & 2  |
   |           |        |    9, 7 & 8, 11 & 12    |             |
   |-----------+--------+-------------------------+-------------|
   |  27C040   |  Open  | pins 1 & 4, 2 & 3, 6 &  | pins 1 & 2  |
   |           |        |    9, 7 & 8, 11 & 12    |             |
   |-----------+--------+-------------------------+-------------|
   |  27C080   | Closed | pins 1 & 4, 2 & 3, 7 &  | pins 1 & 2  |
   |           |        |       8, 11 & 12        |             |
   |-----------+--------+-------------------------+-------------|
   |   62256   |  Open  | pins 4 & 7, 5 & 8, 10 & | pins 1 & 2  |
   |           |        |           11            |  or 2 & 3   |
   |-----------+--------+-------------------------+-------------|
   |  628128   |  Open  | pins 1 & 2, 4 & 7, 5 &  | pins 1 & 2  |
   |           |        |       8, 10 & 11        |  or 2 & 3   |
   |-----------+--------+-------------------------+-------------|
   | uPD434000 |  Open  | pins 1 & 2, 3 & 6, 4 &  | pins 1 & 2  |
   |           |        |    7, 5 & 8, 11 & 12    |  or 2 & 3   |
   |-----------+--------+-------------------------+-------------|
   |  28F256   |  Open  | pins 2 & 5, 6 & 9, 7 &  | pins 1 & 2  |
   |           |        |            8            |             |
   |-----------+--------+-------------------------+-------------|
   |  28F512   |  Open  | pins 1 & 4, 2 & 5, 6 &  | pins 1 & 2  |
   |           |        |        9, 7 & 8         |             |
   |-----------+--------+-------------------------+-------------|
   |  28F010   |  Open  | pins 1 & 4, 2 & 5, 6 &  | pins 1 & 2  |
   |           |        |        9, 7 & 8         |             |
   |-----------+--------+-------------------------+-------------|
   |  28F020   |  Open  | pins 1 & 4, 2 & 5, 6 &  | pins 1 & 2  |
   |           |        |    9, 7 & 8, 11 & 12    |             |
   |------------------------------------------------------------|
   | Note:Pins designated should be in the closed position.     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |       EPROM/FLASH EPROM CONFIGURATION (S1 &AMP; S2)        |
   |------------------------------------------------------------|
   | EPROM |     W12     |    W13     |    W14     |    W15     |
   |-------+-------------+------------+------------+------------|
   | 128KB | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   |-------+-------------+------------+------------+------------|
   | 256KB | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
   |       |   closed    |   closed   |   closed   |   closed   |
   +------------------------------------------------------------+