
UNIDENTIFIED

386SI4

Processor         80386DX/CX486DLC
Processor Speed   33/40MHz
Chip Set          C & T
Max. Onboard DRAM 32MB
SRAM Cache        64/128/256KB
BIOS              AMI
Dimensions        254mm x 218mm
I/O Options       None
NPU Options       80387/CX83D87/3167

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Turbo LED                   J3       Reset switch                J6

  Turbo switch                J4       Power LED & keylock         J7

  Speaker                     J5

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not alter        JP1             open

     Monitor type select color                JP2            closed

      Monitor type select monochrome           JP2             open

                            DRAM CONFIGURATION

       Size            Bank 0            Bank 1               JP11

       1MB          (4) 256K x 9          NONE         pins 2 & 3 closed

       2MB          (4) 256K x 9      (4) 256K x 9     pins 1 & 2 closed

       4MB           (4) 1M x 9           NONE         pins 2 & 3 closed

       5MB           (4) 1M x 9       (4) 256K x 9     pins 2 & 3 closed

       8MB           (4) 1M x 9        (4) 1M x 9      pins 1 & 2 closed

       16MB          (4) 4M x 9           NONE         pins 2 & 3 closed

       17MB          (4) 4M x 9       (4) 256K x 9     pins 2 & 3 closed

       20MB          (4) 4M x 9        (4) 1M x 9      pins 2 & 3 closed

       32MB          (4) 4M x 9        (4) 4M x 9      pins 1 & 2 closed

                         SRAM JUMPER CONFIGURATION

      Jumper             64KB              128KB              256KB

       SR1            pins 1 & 2         pins 2 & 3         pins 2 & 3
                        closed            closed             closed

       SR2            pins 1 & 2         pins 2 & 3         pins 2 & 3
                        closed            closed             closed

       SR3            pins 2 & 3         pins 2 & 3         pins 2 & 3
                        closed            closed             closed

       SR4            pins 2 & 3         pins 1 & 2         pins 2 & 3
                        closed            closed             closed

       SR5            pins 2 & 3         pins 1 & 2         pins 2 & 3
                        closed            closed             closed

       SR6            pins 2 & 3         pins 2 & 3         pins 2 & 3
                        closed            closed             closed

       SR7            pins 1 & 2         pins 2 & 3         pins 2 & 3
                        closed            closed             closed

       SR8            pins 1 & 2         pins 1 & 2         pins 2 & 3
                        closed            closed             closed

       SR9            pins 1 & 2         pins 1 & 2         pins 2 & 3
                        closed            closed             closed

                    SRAM CONFIGURATION

     Size        Cache SRAM      Location         TAG

     64KB        (8) 8K x 8    Banks 0 & 1    (1) 8K x 8

     128KB      (4) 32K x 8       Bank 0      (1) 8K x 8

     256KB      (8) 32K x 8    Banks 0 & 1    (1) 8K x 8

