
NEC TECHNOLOGIES, INC.

PowerMate 386/25S

Processor               80386DX
Processor Speed         25MHz
Chip Set                Headland
Max. Onboard DRAM       16MB (on system memory card)
Cache                   32KB
Dimensions              330.2mm x 218.4mm
BIOS                    Phoenix
I/O Options             Keyboard/Bus mouse interface card socket, serial
                        port, parallel port, VGA port, proprietary video
                        card sockets, proprietary system memory card slot
NPU Options             80387/3167

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  Proprietary system        J2        Keyboard/Bus mouse          P2
  memory card                         interface

  Speaker                   J3        Parallel port              P11

  Proprietary video      J4, J5, &    Serial port                P12
  card                      J6

  Riser Card                J7        VGA port                   P13

  Drive power               J20

                        USER CONFIGURABLE SETTINGS

               Function                     Jumper           Position

     Cache enabled                          JP2              Closed

      Cache disabled                         JP2               Open

     Keyboard gate select 8742/8042      JP8 & JP9          Pins 1 & 2
                                                              closed

      Keyboard gate select fast A20       JP8 & JP9          Pins 2 & 3
                                                              closed

     Keyboard controller test              JP111              Open
      disabled

      Keyboard controller test              JP111             Closed
      enabled

     Password enabled                      JP112             Closed

      Password disabled                     JP112              Open

     Test mode disabled                     SW1               Open

      Test mode enabled                      SW1              Closed

     Serial port enabled                SW3/switch 3         Closed

      Serial port disabled               SW3/switch 3          Open

     Parallel port enabled              SW3/switch 5         Closed

      Parallel port disabled             SW3/switch 5          Open

     Floppy drive interface enabled     SW3/switch 6         Closed

      Floppy drive interface             SW3/switch 6          Open
      disabled

     Floppy drive I/O port select       SW3/switch 7          Open
      first

      Floppy drive I/O port select       SW3/switch 7         Closed
      second

     Monitor type select monochrome     SW3/switch 8          Open

      Monitor type select color          SW3/switch 8         Closed

     IDE interface disabled             SW3/switch 9          Open

      IDE interface enabled              SW3/switch 9         Closed

     Bus mouse port disabled           SW3/switch 10          Open

      Bus mouse port enabled            SW3/switch 10         Closed

                        CACHE CONFIGURATION

  Note: 32 KB cache is factory installed and is not configurable.

                      NPU CONFIGURATION

        Type                 JP6                 SW3/1

      Disabled         Pins 1 & 2 closed          Off

        3167           Pins 2 & 3 closed          Off

        80387          Pins 2 & 3 closed           On

                  SERIAL PORT CONFIGURATION

       Setting               JP20                SW3/4

      COM1/IRQ4        Pins 2 & 3 closed          Off

      COM2/IRQ3        Pins 1 & 2 closed           On

     VIDEO CARD CONFIGURATION

  Setting      JP113      SW3/2

  Enabled      Open         On

  Disabled    Closed       Off

[Image]

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      2MB         (8) 256K x 9       NONE

      4MB         (8) 256K x 9   (8) 256K x 9

      8MB         (8) 1M x 9         NONE

      10MB        (8) 256K x 9    (8) 1M x 9

      16MB        (8) 1M x 9      (8) 1M x 9

         DRAM SWITCH CONFIGURATION

  Size     SW1/1   SW1/2    SW1/3    SW1/4

   2MB      Off     Off      Off      Off

   4MB      Off     Off       On      Off

   8MB      Off      On      Off      Off

  10MB      Off      On       On      Off

  16MB      On      Off      Off      Off

  Note:SW1/4 is not used.

