
DEICO ELECTRONICS, INC.

486-ISA

Processor              80486SX
Processor Speed        25/33MHz
Chip Set               Unidentified
Max. Onboard DRAM      32MB
Cache                  None
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            Floppy drive interface, IDE interface, parallel
                       port, serial ports (2)
NPU Options            4167

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J1       Turbo LED                  JP25

  Serial port 1               J13      Speaker                    JP26

  Serial port 2               J14      Power LED & keylock        JP27

  Parallel port               J30      IDE interface LED          JP33

  Floppy drive interface      J31      Reset switch               JP34

  IDE interface               J32

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            JP1           pins 1 & 2
                                                              closed

      CMOS memory clear                       JP1           pins 2 & 3
                                                              closed

     Monitor type select color               JP2           pins 1 & 2
                                                              closed

      Monitor type select monochrome          JP2           pins 2 & 3
                                                              closed

     Internal battery enabled                JP3           pins 1 & 2
                                                              closed

      Internal battery disabled               JP3           pins 2 & 3
                                                              closed

     Burst rate select normal                JP4           pins 1 & 2
      operation                                               closed

      Burst rate select fast burst            JP4           pins 2 & 3
                                                              closed

     Serial port IRQ3 select COM2            JP7           pins 2 & 3
                                                              closed

      Serial port IRQ3 select COM1            JP7           pins 1 & 2
                                                              closed

      Serial port IRQ3 disabled               JP7           pins 3 & 4
                                                              closed

     Serial port IRQ4 select COM1            JP8           pins 1 & 2
                                                              closed

      Serial port IRQ4 select COM2            JP8           pins 2 & 3
                                                              closed

      Serial port IRQ4 disabled               JP8           pins 3 & 4
                                                              closed

     Serial port IRQ9 disabled               JP9           pins 3 & 4
                                                              closed

      Serial port IRQ9 select COM1            JP9           pins 1 & 2
                                                              closed

      Serial port IRQ9 select COM2            JP9           pins 2 & 3
                                                              closed

     Serial port IRQ5 disabled               JP10          pins 3 & 4
                                                              closed

      Serial port IRQ5 select COM1            JP10          pins 1 & 2
                                                              closed

      Serial port IRQ5 select COM2            JP10          pins 2 & 3
                                                              closed

     Parallel port IRQ disabled              JP11          pins 3 & 4
                                                              closed

      Parallel port IRQ select IRQ7           JP11          pins 1 & 2
                                                              closed

      Parallel port IRQ select IRQ5           JP11          pins 2 & 3
                                                              closed

     Floppy drive interface enabled          JP12          pins 1 & 2
                                                              closed

      Floppy drive interface disabled         JP12          pins 2 & 3
                                                              closed

     Serial port 1 COM select COM1           JP13          pins 1 & 2
                                                              closed

      Serial port 1 COM select COM3           JP13          pins 2 & 3
                                                              closed

      Serial port 1 COM select                JP13          pins 3 & 4
      disabled                                                closed

     Serial port 2 COM select COM2           JP14          pins 1 & 2
                                                              closed

      Serial port 2 COM select COM4           JP14          pins 2 & 3
                                                              closed

      Serial port 2 COM select                JP14          pins 3 & 4
      disabled                                                closed

     Parallel port LPT select LPT1           JP15          pins 1 & 2
                                                              closed

      Parallel port LPT select LPT2           JP15          pins 2 & 3
                                                              closed

      Parallel port LPT select                JP15          pins 3 & 4
      disabled                                                closed

     Factory configured - do not             JP16             Open
      alter

     BIST mode select normal                 JP17          pins 2 & 3
      operation                                               closed

      BIST mode select 486 BIST               JP17          pins 1 & 2
                                                              closed

     IDE interface enabled                   JP19          pins 1 & 2
                                                              closed

      IDE interface disabled                  JP19          pins 2 & 3
                                                              closed

  Note: The location of JP4 is unidentified.

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       NONE

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         NONE

      5MB         (4) 256K x 9    (4) 1M x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         NONE

      32MB        (4) 4M x 9      (4) 4M x 9

