
GVC TECHNOLOGIES, INC.

386-40

Processor         80386DX
Processor Speed   40MHz
Chip Set          SIS
Max. Onboard DRAM 64MB
Cache             32/64/128/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387/3167

[Image]

                             CONNECTIONS

  Purpose               Location    Purpose                Location

  External battery         J1       Turbo switch             J24

  Power LED & keylock      J21      Speaker                  J25

  Turbo LED                J23      Reset switch             J22

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not alter        J2            pins 2 & 3
                                                              closed

     Monitor type select monochrome           J3              Open

      Monitor type select color                J3             Closed

     Factory configured - do not alter        J15           pins 1 & 2
                                                              closed

     NPU mode select synchronous with         J16           pins 1 & 2
      CPU                                                     closed

      NPU mode select synchronous with         J16           pins 2 & 3
      OSC2/2                                                  closed

     Fast gate A20 select normal              J19           pins 1 & 2
                                                              closed

      Fast gate A20 select fast                J19           pins 2 & 3
                                                              closed

  Note:The locations of J2 & J15 are unidentified.

                            DRAM CONFIGURATION

     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) 1M x 9         NONE           NONE           NONE

     5MB        (4) 256K x 9    (4) 1M x 9        NONE           NONE

     6MB        (4) 256K x 9   (4) 256K x 9    (4) 1M x 9        NONE

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

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

     10MB       (4) 256K x 9   (4) 256K x 9    (4) 1M x 9     (4) 1M x 9

     12MB       (4) 1M x 9      (4) 1M x 9     (4) 1M x 9        NONE

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

     16MB       (4) 4M x 9         NONE           NONE           NONE

     20MB       (4) 1M x 9      (4) 4M x 9        NONE           NONE

     24MB       (4) 1M x 9      (4) 1M x 9     (4) 4M x 9        NONE

     32MB       (4) 4M x 9      (4) 4M x 9        NONE           NONE

     48MB       (4) 4M x 9      (4) 4M x 9     (4) 4M x 9        NONE

     64MB       (4) 4M x 9      (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1       TAG (U46)      TAG (U46)

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

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

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

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

  Note: Bank 0 = U28, U30, U32 & U34.

                        CACHE JUMPER CONFIGURATION

    Size           J10            J18            J26             J27

    32KB        pins 1 & 2     pins 1 & 2     pins 1 & 2      pins 1 & 2
                 closed          closed         closed         closed

    64KB        pins 2 & 3     pins 1 & 2     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

    128KB       pins 2 & 3     pins 1 & 2     pins 2 & 3      pins 1 & 2
                 closed          closed         closed         closed

    256KB       pins 2 & 3     pins 2 & 3     pins 2 & 3      pins 2 & 3
                 closed          closed         closed         closed

