
ASUS COMPUTER INTERNATIONAL

MINI EISA-486AS

Processor              80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed        16/20/25/33/50(internal)/50/66(internal)MHz
Chip Set               ASUS
Max. Onboard DRAM      128MB
Cache                  64/128/256KB
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            4167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Reset switch               CON1      Speaker                    CON4

  Turbo switch               CON2      Power LED & keylock        CON5

  Turbo LED                  CON3

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper         Position

     Power good signal detect from            JP1           pins 1 & 2
      power supply                                            closed

      Power good signal detect from            JP1           pins 2 & 3
      board                                                   closed

     Factory configured - do not alter        JP4           pins 1 & 2
                                                              closed

     Factory configured - do not alter        JP5           pins 1 & 2
                                                              closed

     CPU clock speed select <=33MHz           JP9           pins 1 & 2
      (external)                                              closed

      CPU clock speed select 50MHz             JP9           pins 2 & 3
      (external)                                              closed

              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

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

      16MB        (4) 4M x 9         NONE

      20MB        (4) 1M x 9      (4) 4M x 9

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

      64MB        (4) 16M x 9        NONE

     128MB        (4) 16M x 9    (4) 16M x 9

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 8K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                   CACHE RESISTOR CONFIGURATION

      Size              R1               R2              R3

      64KB          Installed      Not installed    Not installed

      128KB       Not installed      Installed      Not installed

      256KB       Not installed    Not installed      Installed

                          CPU TYPE CONFIGURATION

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

  80486SX      Off        Off       Off       Off        On         On

  80487SX      Off        On        On         On        Off        On

  80486DX       On        On        On        Off        Off        On

  80486DX2      On        On        On        Off        Off        On

