
MICRONICS COMPUTERS, INC.

LPX30WB REV. 3A

Processor  80486SX/CX486DX/80486DX/AM486DXL/CX486DX2/80486DX2/SL80486DX2/80486DX4/Pentium
           Overdrive
Processor  25/33/40/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   Micronics
Max.       128MB
Onboard
DRAM
Cache      128KB
BIOS       Phoenix
Dimensions 260mm x 218mm
I/O        Riser card slot, floppy drive interface, IDE interface, parallel port, PS/2
Options    mouse port, serial ports (2), VGA feature connector, VGA port
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  VGA feature connector       CN1       Turbo switch              J18

  PS/2 mouse port              J6       Turbo LED                 J19

  Serial port 1               J10       Power LED & keylock       J20

  Serial port 2               J11       Reset switch              J21

  Parallel port               J12       Power module              J22
                                        connector

  IDE interface (primary)     J13       IDE interface LED         J23

  IDE interface               J14       VGA port                  J31
  (secondary)

  Floppy drive interface      J15       Riser card slot         SL1 & SL2

  Speaker                     J17

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              J9              N/A
      alter

     Factory configured - do not              W1              N/A
      alter

     Monitor type select color                W2             Closed

      Monitor type select monochrome           W2              Open

     Flash BIOS normal mode                   W4              Open

      Flash BIOS programing mode               W4             Closed

     CMOS memory normal operation             W5           pins 1 & 2
                                                              closed

      CMOS memory clear                        W5           pins 2 & 3
                                                              closed

     VESA IDE controller enabled              W7           pins 1 & 2
                                                              closed

      VESA IDE controller disabled             W7           pins 2 & 3
                                                              closed

     IDE controller enabled                   W8           pins 2 & 3
                                                              closed

      IDE controller disabled                  W8           pins 1 & 2
                                                              closed

     Buzzer enabled                          W31             Closed

      Buzzer disabled                         W31              Open

     On-board VGA IRQ9 disabled              W35              Open

      On-board VGA IRQ9 enabled               W35             Closed

     Factory configured - do not             W40              N/A
      alter

     Factory configured - do not             W41              N/A
      alter

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

     8MB        (1) 2M x 36       NONE           NONE          NONE

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

     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

     16MB       (1) 2M x 36   (1) 2M x 36        NONE          NONE

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36       NONE

     24MB       (1) 2M x 36   (1) 2M x 36    (1) 1M x 36    (1) 1M x 36

     32MB       (1) 8M x 36       NONE           NONE          NONE

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

     32MB       (1) 2M x 36   (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

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

     48MB       (1) 4M x 36   (1) 4M x 36    (1) 2M x 36    (1) 2M x 36

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

     64MB       (1) 8M x 36   (1) 8M x 36        NONE          NONE

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

     72MB       (1) 8M x 36   (1) 8M x 36    (1) 1M x 36    (1) 1M x 36

     80MB       (1) 8M x 36   (1) 8M x 36    (1) 2M x 36    (1) 2M x 36

     96MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36       NONE

     96MB       (1) 8M x 36   (1) 8M x 36    (1) 4M x 36    (1) 4M x 36

    128MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

                           CACHE CONFIGURATION

     Size          Bank 0         Bank 1         TAG0           TAG1

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

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

                        CACHE JUMPER CONFIGURATION

    Size           W13            W14            W15             W17

    None          Open            Open           Open           Open

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

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

                          CPU TYPE CONFIGURATION

       Type           W11        W12        W18        W19         W20

     80486SX         2 & 3      Open        Open      2 & 3       Open

     CX486DX         1 & 2,     3 & 4       Open      2 & 3       1 & 2
                     3 & 4

     80486DX         1 & 2,     3 & 4       Open      2 & 3       Open
                     3 & 4

     AM486DXL        1 & 2,     3 & 4       Open      2 & 3       Open
                     3 & 4

     CX486DX2        1 & 2,     3 & 4       Open      2 & 3       1 & 2
                     3 & 4

     80486DX2        1 & 2,     3 & 4       Open      2 & 3       2 & 3
                     3 & 4

  80486DX2 (WB)      1 & 2,     3 & 4       Open      1 & 2       2 & 3
                     3 & 4

    SL80486DX2       1 & 2,     3 & 4       Open      2 & 3       2 & 3
                     3 & 4

     80486DX4        1 & 2,     3 & 4       Open      2 & 3       2 & 3
                     3 & 4

      Pentium        1 & 2,     3 & 4       Open      1 & 2       2 & 3
    Overdrive        3 & 4

  Note: Pins designated should be in closed position.

                      CPU TYPE CONFIGURATION (CONT)

      Type            W21           W22            W23           W24

     80486SX          Open          Open        pins 1 & 2    pins 2 & 3
                                                 closed         closed

     CX486DX          Open          Open        pins 2 & 3    pins 1 & 2
                                                 closed         closed

     80486DX          Open          Open        pins 1 & 2    pins 2 & 3
                                                 closed         closed

    AM486DXL          Open          Open        pins 1 & 2    pins 2 & 3
                                                 closed         closed

    CX486DX2          Open          Open          2 & 3       pins 1 & 2
                                                                closed

    80486DX2          Open          Open        pins 1 & 2    pins 2 & 3
                                                 closed         closed

  80486DX2 (WB)      Closed      pins 2 & 3     pins 1 & 2    pins 1 & 2
                                   closed        closed         closed

   SL80486DX2         Open          Open        pins 1 & 2    pins 2 & 3
                                                 closed         closed

    80486DX4          Open          Open        pins 1 & 2    pins 2 & 3
                                                 closed         closed

     Pentium          Open          Open        pins 1 & 2    pins 1 & 2
    Overdrive                                    closed         closed

                          CPU TYPE CONFIGURATION

        Type             W25          W26           W27           W28

      80486SX           Open          Open         Open          Open

      CX486DX           2 & 3        2 & 3         2 & 3         2 & 3

      80486DX           Open          Open         Open          Open

      AM486DXL          Open          Open         Open          Open

      CX486DX2          2 & 3        2 & 3         2 & 3         2 & 3

      80486DX2          Open          Open         Open          Open

   80486DX2 (WB)        1 & 2        4 & 5         1 & 2       1 & 2, 3 &
                                                                   4

     SL80486DX2         Open         4 & 5         Open          3 & 4

      80486DX4          Open         4 & 5         Open          3 & 4

       Pentium          1 & 2        1 & 2         1 & 2         3 & 4
     Overdrive

    CPU SPEED CONFIGURATION

   Speed       W9        W10

   25MHz      Open      Open

   33MHz     Closed    Closed

   40MHz      Open     Closed

  50iMHz      Open      Open

  66iMHz     Closed    Closed

  75iMHz      Open      Open

  100iMHz    Closed    Closed

                      IRQ CONFIGURATION

         IRQ                 W32                  W33

        IRQ14          pins 2 & 3 closed   pins 1 & 2 closed

        IRQ15          pins 1 & 2 closed   pins 2 & 3 closed

                      VGA CONFIGURATION

         VGA                 W34                  W39

       Enabled         pins 2 & 3 closed   pins 2 & 3 closed

      Disabled         pins 1 & 2 closed   pins 1 & 2 closed

                        VRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

      512MB       (1) 256K x 16         NONE            NONE

       1MB        (1) 256K x 16    (1) 256K x 16        NONE

       2MB        (1) 256K x 16    (1) 256K x 16    (1) 256K x 16

