
MICRONICS COMPUTERS, INC.

THUNDERBOLT

Processor          AM K5/Pentium
Processor Speed    90/100/120/133/150/166/180/200/233MHz
Chip Set           Intel
Video Chip Set     None
Maximum Onboard    256MB (EDO supported)
Memory
Maximum Video      None
Memory
Cache              256/512KB
BIOS               Phoenix
Dimensions         305mm x 244mm
I/O Options        32-bit PCI slots (4), CD-ROM audio in connectors (3),
                   floppy drive interface, MIDI/game port, IDE interfaces
                   (2), parallel port, PS/2 mouse port, serial ports (2),
                   IR connector, USB connectors (2), ATX power connector,
                   microphone in connector, line in connector, line out
                   connector, modem connector
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Reset switch         J23/pins 22 &
  connector                                                      23

  Serial port 1            J12         Speaker              J23/pins 24 -
                                                                 26

  Serial port 2            J13         Keylock                  J40

  Floppy drive             J14         Chassis fan power        J41
  interface

  Parallel port            J15         Panasonic CD-ROM         J45
                                       connector

  USB connector 1          J16         Mitsumi CD-ROM           J46
                                       connector

  USB connector 2          J16A        Modem connector          J47

  IDE interface 1          J17         SCSI interface LED       J49

  IDE interface 2          J18         CD-ROM audio in          J50
                                       connector

  PS/2 mouse port          J19         Modem audio              J51
                                       connector

  Chassis fan power        J20         MIDI/game port           JP48

  Soft off power       J23/pins 1 &    Microphone in           JP48A
  supply                    2          connector

  IR connector         J23/pins 6 -    Line in connector       JP48B
                            10

  IDE interface LED    J23/pins 13 -   Line out connector      JP48C
                            16

  Power LED            J23/pins 18 -   32-bit PCI slots      PC1  PC4
                            20

  Note: The location of J20, J45, J46, J47 are unidentified.

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J52          Unidentified
      alter

     Factory configured - do not           J53          Unidentified
      alter

     Factory configured - do not           J54          Unidentified
      alter

     Factory configured - do not           W1           Unidentified
      alter

     Factory configured - do not           W7           Unidentified
      alter

     Factory configured - do not           W8           Unidentified
      alter

     Factory configured - do not           W9           Unidentified
      alter

     Factory configured - do not           W10          Unidentified
      alter

     CMOS memory normal operation          W11        Pins 1 & 2 closed

      CMOS memory clear                     W11        Pins 2 & 3 closed

     Flash BIOS write protect              W12              Open
      disabled

      Flash BIOS write protect              W12             Closed
      enabled

     Factory configured - do not           W41          Unidentified
      alter

     Wavetable enabled                     W48             Closed

      Wave table disabled                   W48              Open

     On board sound enabled                W49        Pins 1 & 2 closed

      On board sound disabled               W49        Pins 2 & 3 closed

     Factory configured - do not           W54          Unidentified
      alter

  Note: The location of W12 is unidentified.

              DIMM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (1) 1M x 64        None

      16MB        (1) 2M x 64        None

      16MB        (1) 1M x 64    (1) 1M x 64

      24MB        (1) 2M x 64    (1) 1M x 64

      32MB        (1) 4M x 64        None

      32MB        (1) 2M x 64    (1) 2M x 64

      40MB        (1) 4M x 64    (1) 1M x 64

      48MB        (1) 4M x 64    (1) 2M x 64

      64MB        (1) 8M x 64        None

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

      72MB        (1) 8M x 64    (1) 1M x 64

      80MB        (1) 8M x 64    (1) 2M x 64

      96MB        (1) 8M x 64    (1) 4M x 64

     128MB        (1) 8M x 64    (1) 8M x 64

     128MB        (1) 16M x 64       None

     136MB        (1) 16M x 64   (1) 1M x 64

     144MB        (1) 16M x 64   (1) 2M x 64

     160MB        (1) 16M x 64   (1) 4M x 64

     192MB        (1) 16M x 64   (1) 8M x 64

     256MB        (1) 16M x 64   (1) 16M x 64

  Note: Board accepts EDO memory.

               CACHE CONFIGURATION

          Size                    Bank 0

          256KB                (2) 32K x 32

          512KB                (2) 64K x 32

  Note: The location of bank 0 is unidentified.

  CACHE JUMPER CONFIGURATION

     Size            W46

     256KB          Closed

     512KB           Open

                         CPU SPEED SELECTION (AMD)

   CPU     Clock   Multiplier     W2       W3       W4      W5       W6
  speed    speed

  90MHz    60MHz      1.5x       Open     Open    Closed   Open     Closed

  100MHz   66MHz      1.5x       Open     Open     Open    Closed   Open

  120MHz   60MHz       2x       Closed    Open    Closed   Open     Closed

  133MHz   66MHz       2x       Closed    Open     Open    Closed   Open

  150MHz   60MHz      2.5x      Closed   Closed   Closed   Open     Closed

  166MHz   66MHz      2.5x      Closed   Closed    Open    Closed   Open

  180MHz   60MHz       3x        Open    Closed   Closed   Open     Closed

  200MHz   66MHz       3x        Open    Closed    Open    Closed   Open

  233MHz   66MHz      3.5x       Open     Open     Open    Closed   Open

                        CPU SPEED SELECTION (INTEL)

   CPU     Clock   Multiplier     W2       W3       W4      W5       W6
  speed    speed

  90MHz    60MHz      1.5x       Open     Open    Closed   Open     Closed

  100MHz   66MHz      1.5x       Open     Open     Open    Closed   Open

  120MHz   60MHz       2x       Closed    Open    Closed   Open     Closed

  133MHz   66MHz       2x       Closed    Open     Open    Closed   Open

  150MHz   60MHz      2.5x      Closed   Closed   Closed   Open     Closed

  166MHz   66MHz      2.5x      Closed   Closed    Open    Closed   Open

  180MHz   60MHz       3x        Open    Closed   Closed   Open     Closed

  200MHz   66MHz       3x        Open    Closed    Open    Closed   Open

  233MHz   66MHz      3.5x       Open     Open     Open    Closed   Open

               CPU TYPE SELECTION

   Type      W23       W24       W25       W26

  AM K5     Closed   Closed    Closed    Closed

   P54C     Closed   Closed    Closed    Closed

   P55C      Open     Open      Open      Open

   MMX       Open     Open      Open      Open

           CPU TYPE SELECTION (CONT)

   Type      W30       W31       W32       W33

  AM K5      Open     Open      Open      Open

   P54C      Open     Open      Open      Open

   P55C     Closed   Closed    Closed    Closed

                           CPU VOLTAGE SELECTION

                Voltage                                W27

                   3.3v                              Closed

                  3.5v                               Open

