
ASUS COMPUTER INTERNATIONAL

486/25

Processor         80486SX
Processor Speed   25MHz
Chip Set          Intel
Max. Onboard DRAM 16MB (on external memory card)
Cache             None
BIOS              Award
Dimensions        330mm x 218mm
I/O Options       External memory card
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery           CON1      Speaker                    CON5

  Turbo LED                  CON2      Power LED & keylock        CON6

  Turbo switch               CON3      External memory card        SL1

  Reset switch               CON4

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Battery type select internal            JP1           pins 1 & 2
                                                              closed

      Battery type select external            JP1           pins 2 & 3
                                                              closed

     Monitor type select color               JP2           pins 1 & 2
                                                              closed

      Monitor type select monochrome          JP2           pins 2 & 3
                                                              closed

     Power good signal detect from           JP3           pins 1 & 2
      power supply                                            closed

      Power good signal detect from           JP3           pins 2 & 3
      board                                                   closed

     Factory configured - do not             JP4              Open
      alter

     Factory configured - do not              M1              Open
      alter

    DRAM CONFIGURATION (DIP MEMORY CARD)

     Size          Bank 0        Bank 1

      1MB        (36) 41256       NONE

      2MB        (36) 41256    (36) 41256

      4MB        (36) 411000      NONE

      8MB        (36) 411000   (36) 411000

                   DRAM CONFIGURATION (SIMM MEMORY CARD)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (4) 256K x 9      NONE           NONE           NONE

     2MB        (4) 256K x 9   (4) 256K x 9      NONE           NONE

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

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

      DRAM SWITCH CONFIGURATION (DIP MEMORY CARD ONLY)

  Size    SW1/1    SW1/2    SW1/3    SW1/4   SW1/5    SW1/6

   1MB      On       On      On       On       On       On

   2MB      On       On      On       On       On      Off

   4MB     Off      Off      On       On      Off       On

   8MB     Off      Off      Off      On      Off      Off

