
MICRONICS COMPUTERS, INC.

M4P

Processor           80486SX/80486DX/80486DX2
Processor Speed     25/33/50(internal)/66(internal)MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     128MB
Memory
Maximum Video       None
Memory
Cache               128/256KB
BIOS                Unidentified
Dimensions          330mm x 218mm
I/O Options         32-bit PCI slots (3), floppy drive interface, IDE
                    interface, parallel port, serial ports (2)
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                Location

  Auxiliary keyboard          J8        Reset switch              J55
  connector

  Serial port 1               J18       Speaker                   J56

  Serial port 2               J21       Power LED & keylock       J57

  Parallel port               J22       Turbo LED                 J62

  IDE interface               J38       Turbo switch              J63

  Floppy drive                J39       32-bit PCI slots       PC1 - PC3
  interface

  IDE interface LED           J54

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      IRQ5 used by PCI                        J27             Closed

      IRQ5 available for ISA peripheral       J27              Open

      IRQ11 used by PCI                       J28             Closed

      IRQ11 available for ISA                 J28              Open
      peripheral

      IRQ15 used by PCI                       J29             Closed

      IRQ15 available for ISA                 J29              Open
      peripheral

      PS/2 mouse enabled                      J34             Closed

      PS/2 mouse disabled                     J34              Open

     Factory configured - do not alter       J46           Pins 1 & 2
                                                              closed

     Factory configured - do not alter       J47           Pins 2 & 3
                                                              closed

     Factory configured - do not alter       J48           Pins 1 & 2
                                                              closed

     Factory configured - do not alter       J49           Pins 1 & 2
                                                              closed

     Factory configured - do not alter       J50           Pins 1 & 2
                                                              closed

     Factory configured - do not alter       J51           Pins 2 & 3
                                                              closed

     Factory configured - do not alter       J59             Closed

     Factory configured - do not alter       J60              Open

      Cache type select write through         J61           Pins 1 & 2
                                                              closed

      Cache type select write back            J61           Pins 2 & 3
                                                              closed

     Factory configured - do not alter       J64              Open

     Factory configured - do not alter       J65              Open

     Factory configured - do not alter       J66              Open

     Factory configured - do not alter       J67              Open

     Factory configured - do not alter       J68              Open

     Factory configured - do not alter       J69              Open

     Factory configured - do not alter       J72              Open

     Factory configured - do not alter        W1              Open

      Flash BIOS write protect disabled        W2             Closed

      Flash BIOS write protect enabled         W2              Open

     Monitor type select color                W5             Closed

      Monitor type select monochrome           W5              Open

      Parallel port IRQ select IRQ7            W8           Pins 1 & 2
                                                              closed

      Parallel port IRQ select IRQ5            W8           Pins 2 & 3
                                                              closed

     Factory configured - do not alter        W9              Open

      Flash BIOS normal operation             W10           Pins 2 & 3
                                                              closed

      Flash BIOS recovery mode                W10           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) 512K x        None           None           None
                    36

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

     3MB        (1) 512K x     (1) 256K x        None           None
                    36             36

     3MB        (1) 256K x     (1) 256K x     (1) 256K x        None
                    36             36             36

     3MB        (1) 256K x     (1) 512K x        None           None
                    36             36

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

     4MB        (1) 512K x     (1) 256K x     (1) 256K x        None
                    36             36             36

     4MB        (1) 512K x     (1) 512K x        None           None
                    36             36

     4MB        (1) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     5MB       (1) 1M x 36     (1) 256K x        None           None
                                   36

     5MB        (1) 512K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     6MB        (1) 512K x     (1) 512K x     (1) 512K x        None
                    36             36             36

     6MB        (1) 512K x    (1) 1M x 36        None           None
                    36

     7MB       (1) 1M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

     7MB        (1) 256K x     (1) 512K x     (1) 512K x    (1) 512K x 36
                    36             36             36

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

     8MB       (1) 1M x 36     (1) 512K x     (1) 512K x        None
                                   36             36

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

     8MB        (1) 512K x     (1) 512K x     (1) 512K x    (1) 512K x 36
                    36             36             36

     9MB       (1) 2M x 36     (1) 256K x        None           None
                                   36

     9MB        (1) 256K x    (1) 1M x 36    (1) 1M x 36        None
                    36

     10MB      (1) 1M x 36     (1) 512K x     (1) 512K x    (1) 512K x 36
                                   36             36

     10MB       (1) 512K x    (1) 1M x 36    (1) 1M x 36        None
                    36

     10MB       (1) 512K x    (1) 2M x 36        None           None
                    36

     11MB      (1) 2M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

     12MB      (1) 2M x 36     (1) 512K x     (1) 512K x        None
                                   36             36

     12MB      (1) 2M x 36    (1) 1M x 36        None           None

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

     12MB      (1) 1M x 36    (1) 2M x 36        None           None

     13MB       (1) 256K x    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36
                    36

     14MB      (1) 2M x 36     (1) 512K x     (1) 512K x    (1) 512K x 36
                                   36             36

     14MB       (1) 512K x    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36
                    36

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

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

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

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

     17MB      (1) 4M x 36     (1) 256K x        None           None
                                   36

     17MB       (1) 256K x    (1) 2M x 36    (1) 2M x 36        None
                    36

     17MB       (1) 256K x    (1) 4M x 36        None           None
                    36

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

     18MB      (1) 4M x 36     (1) 512K x        None           None
                                   36

     18MB       (1) 512K x    (1) 2M x 36    (1) 2M x 36        None
                    36

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     18MB       (1) 512K x    (1) 4M x 36        None           None
                    36

     19MB      (1) 4M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

     20MB      (1) 4M x 36     (1) 512K x     (1) 512K x        None
                                   36             36

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

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

     22MB      (1) 4M x 36     (1) 512K x     (1) 512K x    (1) 512K x 36
                                   36             36

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

     24MB      (1) 2M x 36    (1) 4M x 36        None           None

     25MB       (1) 256K x    (1) 2M x 36    (1) 2M x 36     (1) 2M x 36
                    36

     26MB       (1) 512K x    (1) 2M x 36    (1) 2M x 36     (1) 2M x 36
                    36

     28MB      (1) 4M x 36    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     28MB      (1) 1M x 36    (1) 2M x 36    (1) 2M x 36     (1) 2M x 36

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

     32MB      (1) 4M x 36    (1) 2M x 36    (1) 2M x 36        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

     33MB      (1) 8M x 36     (1) 256K x        None           None
                                   36

     33MB       (1) 256K x    (1) 4M x 36    (1) 4M x 36        None
                    36

     33MB       (1) 256K x    (1) 8M x 36        None           None
                    36

     34MB      (1) 8M x 36     (1) 256K x     (1) 256K x        None
                                   36             36

     34MB      (1) 8M x 36     (1) 512K x        None           None
                                   36

     34MB       (1) 512K x    (1) 4M x 36    (1) 4M x 36        None
                    36

     34MB       (1) 512K x    (1) 8M x 36        None           None
                    36

     35MB      (1) 8M x 36     (1) 256K x     (1) 256K x    (1) 256K x 36
                                   36             36

     36MB      (1) 8M x 36     (1) 512K x     (1) 512K x        None
                                   36             36

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

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

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

     38MB      (1) 8M x 36     (1) 512K x     (1) 512K x    (1) 512K x 36
                                   36             36

     40MB      (1) 8M x 36    (1) 1M x 36    (1) 1M x 36        None

     40MB      (1) 8M x 36    (1) 2M x 36        None           None

     40MB      (1) 2M x 36    (1) 4M x 36    (1) 4M x 36        None

     40MB      (1) 2M x 36    (1) 8M x 36        None           None

     44MB      (1) 8M x 36    (1) 1M x 36    (1) 1M x 36     (1) 1M x 36

     48MB      (1) 8M x 36    (1) 2M x 36    (1) 2M x 36        None

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

     48MB      (1) 4M x 36    (1) 8M x 36        None           None

     49MB       (1) 256K x    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36
                    36

     50MB       (1) 512K x    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36
                    36

     52MB      (1) 1M x 36    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

     56MB      (1) 8M x 36    (1) 2M x 36    (1) 2M x 36     (1) 2M x 36

     56MB      (1) 2M x 36    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

     64MB      (1) 8M x 36    (1) 4M x 36    (1) 4M x 36        None

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     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

     65MB         (1) 256K x    (1) 8M x 36    (1) 8M x 36       None
                     36

     66MB         (1) 512K x    (1) 8M x 36    (1) 8M x 36       None
                     36

     68MB        (1) 1M x 36    (1) 8M x 36    (1) 8M x 36       None

     72MB        (1) 2M x 36    (1) 8M x 36    (1) 8M x 36       None

     80MB        (1) 8M x 36    (1) 4M x 36    (1) 4M x 36   (1) 4M x 36

     80MB        (1) 4M x 36    (1) 8M x 36    (1) 8M x 36       None

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

     97MB         (1) 256K x    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36
                     36

     98MB         (1) 512K x    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36
                     36

     100MB       (1) 1M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

     104MB       (1) 2M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M x 36

     112MB       (1) 4M x 36    (1) 8M x 36    (1) 8M x 36   (1) 8M 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

     128KB       (4) 32K x 8      None

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

                        CACHE JUMPER CONFIGURATION

      Size               J52                J53                J58

      128KB           Pins 1 & 2         Pins 2 & 3            Open
                       closed              closed

      256KB           Pins 2 & 3         Pins 1 & 2           Closed
                       closed              closed

                     CPU SPEED SELECTION

        Speed                J40                  J45

        25MHz                Open          Pins 2 & 3 closed

        33MHz               Closed         Pins 1 & 2 closed

       50iMHz                Open          Pins 2 & 3 closed

       66iMHz               Closed         Pins 1 & 2 closed

                   CPU TYPE SELECTION

            Type                        J71

          80486SX                Pins 2 & 3 closed

          80486DX            Pins 1 & 2, 3 & 4 closed

          80486DX2           Pins 1 & 2, 3 & 4 closed

                    DMA CHANNEL SELECTION

       Channel                W6                   W7

          1            Pins 1 & 2 closed   Pins 1 & 2 closed

          3            Pins 2 & 3 closed   Pins 2 & 3 closed

                  IDE DMA CHANNEL SELECTION

       Channel               W11                  W12

          6            Pins 1 & 2 closed   Pins 1 & 2 closed

          7            Pins 2 & 3 closed   Pins 2 & 3 closed

                              DIRQ SELECTION

  DIRQ     J13      J20       J23      J24       J25      J26       J35

   3      Open      Open     Open      Open     Closed    Open     Open

   4      Open      Open     Open     Closed    Open      Open     Open

   5      Open      Open     Open      Open     Open     Closed    Open

   6      Open      Open     Closed    Open     Open      Open     Open

   7      Open     Closed    Open      Open     Open      Open     Open

   10     Closed    Open     Open      Open     Open      Open     Open

   14     Open      Open     Open      Open     Open      Open     Closed

