
INTERCOMP, INC.

EISA 486

Processor         80486SX/80487SX/80486DX
Processor Speed   20/25/33/50MHz
Chip Set          OPTI
Max. Onboard DRAM 128MB
Cache             64/128/256/512KB
BIOS              AMI/MR/Award
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Power LED & keylock         J10       Reset switch               S59

  Speaker                     J29

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor type select color                JP6            Closed

      Monitor type select monochrome           JP6             Open

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      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

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

     128KB        (4) 32K x 8        NONE

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

     512KB        (4) 128K x 8       NONE

                        CACHE JUMPER CONFIGURATION

  Size     JP1      JP2       JP3     JP12      JP13     JP14      JP15

  64KB     Open     Open     Open     Open      Open     Open    pins 2 &
                                                                 3 closed

  128KB   Closed    Open     Open     Closed    Open     Open    pins 1 &
                                                                 2 closed

  256KB   Closed   Closed    Open     Closed    Open    Closed   pins 2 &
                                                                 3 closed

  512KB   Closed   Closed    Closed   Closed   Closed   Closed   pins 1 &
                                                                 2 closed

                          CPU TYPE CONFIGURATION

      Type               JP7                JP8               JP32

     80486SX          pins 2 & 3           Open             pins 2 & 3
                       closed                                closed

     80487SX       pins 1 & 2, 3 &       pins 1 & 2         pins 2 & 3
                      4 closed            closed             closed

     80486DX       pins 1 & 2, 3 &       pins 2 & 3         pins 1 & 2
                      4 closed            closed             closed

