
MICRONICS COMPUTERS INC.

M4PE

Processor   80486SX/80486DX/80486DX2/80486DX4
Processor   25/33/50(internal)/66(internal)/75(internal)/100(internal) MHz
Speed
Chip Set    Intel
Max.        128MB
Onboard
DRAM
Cache       128/256 KB
BIOS        Phoenix
Dimensions  355mm x 304mm
I/O Options Floppy drive interface, IDE interface, PCI slots (3), parallel
            port, PS/2 mouse port,

            serial ports (2)
NPU Options None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  Primary IDE                CN1       PCI slot 1                 J18
  interface (PCI)

  Secondary IDE              CN2       PCI slot 2                 J19
  interface (ISA)

  Floppy drive               CN3       PCI slot 3                 J20
  interface

  PS/2 mouse port            J2        Fan power connector       J102

  Speaker                    J5        Power LED & keylock        W12

  Parallel port              J8        Turbo switch               W29

  Serial port 2              J10       IDE interface LED          W39
                                       (PCI)

  Serial port 1              J11       IDE interface LED          W46
                                       (ISA)

                        USER CONFIGURABLE SETTINGS

                Function                      Jumper         Position

     Factory configured do not alter          J101            Open

     Secondary cache in write-back             W1          pins 2 & 3
      mode

      Secondary cache in write-through          W1          pins 1 & 2
      mode

     Internal cache in write-through           W4             Open
      mode

      Internal cache in write-back mode         W4            Closed

     BIOS in normal mode                       W6           pins 2 & 3
                                                              closed

      BIOS recovery mode                        W6           pins 1 & 2
                                                              closed

     Factory configured do not alter           W8            Closed

     PS/2 mouse installed                     W10            Closed

      PS/2 mouse not installed                 W10             Open

     Monitor type select color                W14            Closed

      Monitor type select monochrome           W14             Open

     CPU generates parity                     W17           pins 2 & 3
                                                              closed

      DPU generates parity                     W17           pins 1 & 2
                                                              closed

     DPU does not force parity error          W18           pins 2 & 3
                                                              closed

      DPU forces parity error                  W18           pins 1 & 2
                                                              closed

     Factory configured do not alter          W19            Closed

     Secondary cache installed                W21             Open

      Secondary cache not installed            W21            Closed

     Secondary cache 0 wait state             W25             Open

      Secondary cache 1 wait state             W25            Closed

     PCI IDE uses ISA IRQ 14                  W35            Closed

      PCI IDE does not use ISA IRQ 14          W35             Open

     PCI IDE uses PCI INTR_A                  W37            Closed

      PCI IDE does not use PCI INTR_A          W37             Open

     PCI IDE does not use ISA IRQ15           W38             Open

      PCI IDE uses ISA IRQ15                   W38            Closed

                  USER CONFIGURABLE SETTINGS (CONTINUED)

                Function                    Jumper           Position

     ISA IDE uses ISA IRQ 15                 W42           pins 2 & 3

      ISA IDE used ISA IRQ 14                 W42           pins 1 & 2

     ISA IDE uses PIO transfer               W43              Open

      ISA IDE uses channel 7                  W43           pins 2 & 3

      ISA IDE uses DMA channel 6              W43           pins 1 & 2

     ISA IDE uses PIO transfer               W44              Open

      ISA IDE uses channel 7                  W44           pins 2 & 3

      ISA IDE uses DMA channel 6              W44           pins 1 & 2

     3.45V for DX4 - 100 MHz                 W50              Open

      3.30v for DX4 - 75 MHz                  W50             Closed

                           DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

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

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

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

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

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

     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

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

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

     72MB       (1) 8M x 36   (1) 8M x 36    (1) 4M x 36    (1) 4M 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) 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 JUMPER CONFIGURATION

   Size       W5       W22       W23

  128KB      Open     Open      Open

  256KB     Closed   Closed    Closed

   TAG ADDRESS CONFIGURATION

  Address     W24        W26

   9-bit     Closed     Open

   7-bit      Open     Closed

   8-bit     Closed    Closed

  Illegal     Open      Open

                          CPU TYPE CONFIGURATION

        Type                 W2               W3                W33

       80486SX           pins 2 & 3         Closed             Open
                           closed

       80486DX             Closed           Closed             Open

      80486DX2             Closed           Closed             Open

   80486DX4 (50i)          Closed           Closed           pins 2 & 3
                                                              closed

   80486DX4 (66i)          Closed           Closed           pins 2 & 3
                                                              closed

   80486DX4 (75i)          Closed           Closed             Open

   80486DX4 (100i)         Closed           Closed             Open

  80486 DX4 (future        Closed           Closed           pins 1 & 2
        use)                                                  closed

  Pentium Overdrive        Closed            Open              Open

    CPU SPEED CONFIGURATION

   Speed      W16        W20

   25MHz      Open     Closed

   33MHz     Closed     Open

  50iMHz      Open     Closed

  66iMHz     Closed     Open

  75iMHz      Open     Closed

  100iMHz    Closed     Open

