
NEC TECHNOLOGIES, INC.

POWERMATE 386/20

Processor               80386DX
Processor Speed         20MHz
Chip Set                ETEQ
Max. Onboard DRAM       8MB (on system memory card)
Cache                   None
Dimensions              330.2mm x 218.4mm
BIOS                    Phoenix
I/O Options             Serial ports (2), parallel port, floppy drive
                        interface, proprietary system memory card,
                        proprietary external memory card slot (on system
                        memory card)
NPU Options             80287/80387

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Speaker                    P1       Floppy drive interface       P7

  External battery           P3       Serial port 2               P10

  Keylock                    P4       Turbo LED                   P11

  Parallel port              P5       32-bit external memory       S1
                                      card

  Serial port 1              P6

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Manufacturer test mode                11L1                Open
      disabled

      Manufacturer test mode                11L1               Closed
      enabled

     Pipeline mode enabled                 14L2             pins 1 & 2
                                                               closed

      Pipeline mode disabled                14L2             pins 2 & 3
                                                               closed

     Test mode disabled                    19A1                Open

      Test mode enabled                     19A1               Closed

     Floppy drive type select              23G1             pins 1 & 2
      single speed                                             closed

      Floppy drive type select              23G1             pins 2 & 3
      dual speed                                               closed

     Factory configured - do not           SW1/1               Off
      alter

     Factory configured - do not           SW1/2               Off
      alter

     Factory configured - do not           SW1/3               Off
      alter

     Factory configured - do not           SW1/4                On
      alter

     Test mode switch disabled             SW1/5                On

      Test mode switch enabled              SW1/5               Off

     DRAM speed select 0 wait              SW1/6                On
      states

      DRAM speed select 1 wait              SW1/6               Off
      state

     Factory configured - do not           SW1/9               Off
      alter

     Factory configured - do not          SW1/10               Off
      alter

     Monitor type select color             SW2/1                On

      Monitor type select                   SW2/1               Off
      monochrome

     Floppy drive interface                SW2/2               Off
      address select primary

      Floppy drive interface                SW2/2                On
      address select secondary

     Floppy drive interface                SW2/3                On
      enabled

      Floppy drive interface                SW2/3               Off
      disabled

     Serial port 2 select COM2             SW2/4                On

      Serial port 2 disabled                SW2/4               Off

     Serial port 1 select COM1             SW2/5                On

      Serial port 1 disabled                SW2/5               Off

     System enabled                        SW2/6                On

      System disabled                       SW2/6               Off

     NPU enabled                           SW2/7                On

      NPU disabled                          SW2/7               Off

     NPU type select 80287                 SW2/8               Off

      NPU type select 80387                 SW2/8                On

                         NPU CONFIGURATION (80287)

        Speed               19C1             19C2           19C3 (27F1)

          5.3MHz         pins 2 & 3        pins 2 & 3        pins 2 & 3
                           closed           closed            closed

           8MHz          pins 1 & 2        pins 1 & 2        pins 2 & 3
                           closed           closed            closed

         10MHz          pins 1 & 2        pins 1 & 2        pins 1 & 2
                           closed           closed            closed

  Note:Depending on the revision # of the mainboad, the board will have
  either jumper 19C3 or 27F1.

[Image]

                    CONNECTIONS

  Purpose                              Location

  Proprietary external memory card        S1

                    DRAM CONFIGURATION

       Size              Bank 0               P-0

        2MB            (16) 44256          (8) 41256

  Note:The locations of Bank 0 and P-0 are unidentifed.

[Image]

                    CONNECTIONS

  Purpose                              Location

  Proprietary external memory card        S1

     DRAM CONFIGURATION

     Size        Bank 0

     8MB       (72) 44256

