
AMPRO COMPUTERS, INC.

LITTLE BOARD/P5E

Device Type                Single board computer
Processor                  Pentium
Processor Speed            100/133/166MHz
Chip Set                   Unidentified
Video Chip Set             Chips and Technology
Maximum Onboard Memory     128MB
Maximum Video Memory       2MB
Cache                      256KB
BIOS                       Ampro
Dimensions                 203mm x 146mm
I/O Options                Ethernet 10BaseT connector, AUI connector,
                           floppy drive interface, IDE interface, SCSI
                           interface, parallel port, serial ports (2), VGA
                           interface, PC/104 connectors (2)

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                 Location

  Flat panel                J3         Serial port 3 & 4         J13
  connector

  VEE bias supply           J4         Floppy drive              J14
  connector                            interface

  VGA interface             J5         Parallel port             J15

  Video external            J6         Keyboard connector        J16
  overlay connector

  Ethernet 10BaseT          J7         IDE extension             J17
  connector                            connector

  AUI connector             J8         CPU fan power             J20

  SCSI interface            J9         PCI bus connector         J21

  Power connector           J10        PC/104 connector           P1

  Serial port 1 & 2         J11        PC/104 connector           P2

  IDE interface             J12

                         USER CONFIGURABLE SETTINGS

                 Function
                                              Label
                                                             Position


     Vee polarity select negative
                                                W1
                                                            Pins 1 & 2
                                                              closed


     Vee polarity select positive
                                                W1
                                                            Pins 2 & 3
                                                              closed


     SCSI termination enabled
                                                W3
                                                              Closed


     SCSI termination disabled
                                                W3
                                                               Open


     +5v for external serial port 4
     enabled
                                                W8
                                                              Closed


     +5v for external serial port 4
     disabled
                                                W8
                                                               Open


     BIOS chip select swap enabled
                                                W9
                                                              Closed


     Byte wide chip select swap enabled
                                                W9
                                                               Open

  
     Factory configured - do not alter
                                               W12
                                                               Open


     BIOS 12v programming power enabled
                                               W13
                                                              Closed


     BIOS 12v programming power
     disabled
                                               W13
                                                               Open

  
     Factory configured - do not alter
                                               W16
                                                               Open


     SCSI interface enabled
                                               W17
                                                               Open


     SCSI interface disabled
                                               W17
                                                              Closed


     Backlight enable signal select
     optional
                                               W20
                                                            Pins 1 & 2
                                                              closed


     Backlight enable signal select
     standard
                                               W20
                                                            Pins 2 & 3
                                                              closed


     Byte wide write enabled
                                               W22
                                                              Closed


     Byte wide write disabled
                                               W22
                                                               Open

  
     Data valid select high to low
                                               W23
                                                            Pins 1 & 2
                                                              closed


     Data valid select low to high
                                               W23
                                                            Pins 2 & 3
                                                              closed

       SIMM CONFIGURATION

      Size          Bank 0

      8MB         (2) 1M x 36

      16MB        (2) 2M x 36

      32MB        (2) 4M x 36

      64MB        (2) 8M x 36

     128MB       (2) 16M x 36

                CACHE CONFIGURATION

  Note: The location of the cache is unidentified.

                 VIDEO MEMORY CONFIGURATION

  Note: The location of the video memory is unidentified.

                            CPU SPEED SELECTION

  CPU speed
                 Clock
                speed
                           Multiplier
                                            W10
                                                         W11
                                                                    W14

   100MHz
                66MHz
                              1.5x
                                           Closed
                                                        Closed
                                                                   2 & 3

   133MHz
                66MHz
                               2x
                                            Open
                                                        Closed
                                                                   2 & 3

   166MHz
                66MHz
                              2.5x
                                            Open
                                                         Open
                                                                   2 & 3

  Note: Pins designated should be in the closed position.

                   DMA CHANNEL SELECTION

       Channel              W18                 W19

          1              Pins 1 & 2         Pins 1 & 2
                           closed             closed

          3              Pins 2 & 3         Pins 2 & 3
                           closed             closed

                      SERIAL PORT 3 ADDRESS SELECTION

           Setting
                                       W4
                                                              W6

  IRQ4, shared with serial 1
                                Pins 1 & 2 closed
                                                             Open

   Serial 3, IRQ12/serial 1
            IRQ4
                                Pins 2 & 3 closed
                                                            Closed

                      SERIAL PORT 4 ADDRESS SELECTION

           Setting                      W5                     W7

  IRQ3, shared with serial 2    Pins 1 & 2 closed             Open

   Serial 4, IRQ10/serial 2     Pins 2 & 3 closed            Closed
             IRQ3

         WATCHDOG TIMER SELECTION

       Setting
                             W24

        IOCHK
                      Pins 1 & 2 closed

        Reset
                      Pins 2 & 3 closed

      Disabled
                             Open

                              EPROM SELECTION

       Type              W2                  W15                 W21

      27C64             Open           8 & 9, 14 & 15           2 & 3

      27C128            Open           8 & 9, 14 & 15           2 & 3

      28C64             Open           8 & 9, 14 & 15           2 & 3

      27C256            Open           9 & 12, 14 & 15          1 & 2

      27C512            Open        9 & 12, 10 & 11, 14 &       1 & 2
                                             15

      27C010            Open        2 & 5, 7 & 8, 9 & 12,       1 & 2
                                           10 & 11

      27C020            Open        2 & 5, 7 & 8, 9 & 12,       1 & 2
                                      10 & 11, 13 & 14

      27C040            Open        2 & 5, 4 & 7, 9 & 12,       1 & 2
                                      10 & 11, 13 & 14

      27C080            Open        4 & 7, 5 & 6, 9 & 12,       1 & 2
                                      10 & 11, 13 & 14

  Note: Pins designated should be in the closed position.

                           FLASH EPROM SELECTION

       Type
                         W2
                                             W15
                                                                  W21

      29C256
                        Open
                                     8 & 11, 9 & 12, 14 &
                                              15
                                                                 1 & 2

      28C256
                        Open
                                     8 & 9, 11 & 12, 14 &
                                              15
                                                                 1 & 2

      29F512
                        Open
                                    4 & 5, 7 & 8, 9 & 12,
                                       10 & 11, 13 & 14
                                                                 1 & 2

      29F010
                        Open
                                    4 & 5, 7 & 8, 9 & 12,
                                       10 & 11, 13 & 14
                                                                 1 & 2

      29F020
                        Open
                                    4 & 5, 7 & 8, 9 & 12,
                                       10 & 11, 13 & 14
                                                                 1 & 2

      29F040
                        Open
                                    4 & 5, 7 & 8, 9 & 12,
                                       10 & 11, 13 & 14
                                                                 1 & 2

      28F256
                        Open
                                    2 & 5, 7 & 8, 9 & 12,
                                       10 & 11, 13 & 14
                                                                 1 & 2

      28F512
                        Open
                                    2 & 5, 7 & 8, 9 & 12,
                                       10 & 11, 13 & 14
                                                                 1 & 2

      28F010
                        Open
                                    2 & 5, 7 & 8, 9 & 12,
                                       10 & 11, 13 & 14
                                                                 1 & 2

      28F020
                        Open
                                    2 & 5, 7 & 8, 9 & 12,
                                       10 & 11, 13 & 14
                                                                 1 & 2

  Note: Pins designated should be in the closed position.

                              SRAM SELECTION

       Type               W2                  W15                W21

      43256             Closed        7 & 10, 8 & 9, 11 &       2 & 3
                                          12, 14 & 15

      628128            Closed        7 & 10, 8 & 9, 11 &       2 & 3
                                          12, 14 & 15

     DS1235Y            Closed        7 & 10, 8 & 9, 11 &       2 & 3
                                          12, 14 & 15

     BQ4013Y            Closed        7 & 10, 8 & 9, 11 &       2 & 3
                                          12, 14 & 15

      628512            Closed       4 & 5, 7 & 10, 8 & 9,      2 & 3
                                       11 & 12, 13 & 14

     DS1650Y            Closed       4 & 5, 7 & 10, 8 & 9,      2 & 3
                                       11 & 12, 13 & 14

     BQ4015Y            Closed       4 & 5, 7 & 10, 8 & 9,      2 & 3
                                       11 & 12, 13 & 14

  Note: Pins designated should be in the closed position.

