
MICRONICS COMPUTERS, INC.

MX30 VL-BUS

Processor         80486SX/80486DX/ODP486SX/80486DX2
Processor Speed   25/33/50(internal)/66(internal)MHz
Chip Set          Micronics
Max. Onboard DRAM 64MB
Cache             64/128/256KB
BIOS              Phoenix
Dimensions        330mm x 218mm
I/O Options       32-bit VESA local bus slots (2)
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                 Location      Purpose               Location

  External Battery           J6         Reset switch             W25

  Speaker                    J24        Turbo switch             W26

  32-bit VESA Local        S1 & S2      Turbo LED                W27
  bus slots

  External keyboard          W2         Power LED &              W28
  connector                             keylock

  Note:MX30 VL-Bus will come standard with a Dallas Real Time Clock or
  with the external battery connector, J6.

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

     Parity enabled                            W3           pins 1 & 2
                                                              closed

      Parity disabled                           W3           pins 2 & 3
                                                              closed

     Factory configured - do not alter         W4             Open

     Dallas real time clock installed          W5            Closed

      Other manufacturers real time            W5             Open
      clock installed

     Monitor type select color                 W6             Open

      Monitor type select monochrome            W6            Closed

     Factory configured - do not alter        W10             Open

     Factory configured - do not alter        W12             Open

     Factory configured - do not alter        W14           pins 1 & 2
                                                              closed

     Factory configured - do not alter        W15           pins 1 & 2
                                                              closed

                            DRAM CONFIGURATION

     Size         Bank 0          Bank 1         Bank 2         Bank 3

     1MB         (1) 256K x        NONE           NONE           NONE
                    36

     2MB         (1) 256K x     (1) 256K x        NONE           NONE
                    36              36

     4MB        (1) 1M x 36        NONE           NONE           NONE

     6MB         (1) 256K x     (1) 256K x     (1) 1M x 36       NONE
                    36              36

     8MB        (1) 1M x 36    (1) 1M x 36        NONE           NONE

     10MB        (1) 256K x     (1) 256K x     (1) 1M x 36   (1) 1M x 36
                    36              36

     12MB       (1) 1M x 36    (1) 1M x 36     (1) 1M x 36       NONE

     16MB       (1) 1M x 36    (1) 1M x 36     (1) 1M x 36   (1) 1M x 36

     16MB       (1) 4M x 36        NONE           NONE           NONE

     18MB        (1) 256K x     (1) 256K x     (1) 4M x 36       NONE
                    36              36

     20MB       (1) 1M x 36    (1) 4M x 36        NONE           NONE

     24MB       (1) 1M x 36    (1) 1M x 36     (1) 4M x 36       NONE

     32MB       (1) 4M x 36    (1) 4M x 36        NONE           NONE

     36MB       (1) 1M x 36    (1) 4M x 36     (1) 4M x 36       NONE

     40MB       (1) 1M x 36    (1) 1M x 36     (1) 4M x 36   (1) 4M x 36

     48MB       (1) 4M x 36    (1) 4M x 36     (1) 4M x 36       NONE

     64MB       (1) 4M x 36    (1) 4M x 36     (1) 4M x 36   (1) 4M x 36

                  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 JUMPER CONFIGURATION

  Size        W8           W11          W13          W18          W19

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

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

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

  Note:Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

         U1                U2                W22               W23

        None             80486SX          pins 1 & 2        pins 1 & 2
                                           closed             closed

      80486SX             None            pins 1 & 2        pins 1 & 2
                                           closed             closed

  80486DX/80486DX2       80486SX          pins 2 & 3        pins 2 & 3
                                           closed             closed

  80486DX/80486DX2        None            pins 2 & 3        pins 2 & 3
                                           closed             closed

      ODP486SX           80486SX          pins 2 & 3        pins 2 & 3
                                           closed             closed

                   CPU SPEED CONFIGURATION

        Speed                W20                  W21

        25MHz          pins 2 & 3 closed   pins 2 & 3 closed

        33MHz          pins 1 & 2 closed   pins 2 & 3 closed

       50i MHz         pins 2 & 3 closed   pins 2 & 3 closed

       66i MHz         pins 1 & 2 closed   pins 2 & 3 closed

