
MICRONICS COMPUTERS, INC.

TWISTER LX

Device Type              Mainboard
Processor                Pentium II
Processor Speed          233/266/300/333MHz
Chip Set                 Intel
Video Chip Set           None
Maximum Onboard Memory   768MB (EDO & SDRAM supported)
Maximum Video Memory     None
Cache                    256/512KB (located on Pentium II CPU)
BIOS                     Award
Dimensions               254mm x 218mm
I/O Options              32-bit PCI slots (4), floppy drive interface, IDE
                         interfaces (2), parallel port, PS/2 mouse
                         interface, serial ports (2), IR connector, USB
                         connectors (2), ATX power connector, AGP slot
NPU Options              None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  AGP slot                 AGP        Reset switch          J27/pins 22 &
                                                                 23

  ATX power                ATX        Speaker               J27/pins 24 -
  connector                                                      27

  IDE interface 1          J7         CPU fan power             J28

  IDE interface 2          J8         Chassis fan power         J29

  Floppy drive             J9         Temperature sensor        J31
  interface

  Parallel port            J13        Chassis intrusion         J32
                                      connector

  Serial port 1            J14        SCSI interface LED        J45

  Serial port 2            J15        USB connector 1           J46

  Soft off power       J27/pins 1 &   USB connector 2           J47
  supply                    2

  IR connector         J27/pins 6    PS/2 mouse                J49
                           10         interface

  IDE interface LED   J27/pins 13    32-bit PCI slots       PC1  PC4
                           16

  Power on LED        J27/pins 18 -
                           20

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           W1           Unidentified
      alter

     Factory configured - do not           W4           Unidentified
      alter

     CMOS memory normal operation          W5         Pins 1 & 2 closed

      CMOS memory clear                     W5         Pins 2 & 3 closed

                      DIMM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

      8MB         (1) 1M x 64        None            None

      16MB        (1) 1M x 64     (1) 1M x 64        None

      16MB        (1) 2M x 64        None            None

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

      32MB        (1) 2M x 64     (1) 2M x 64        None

      32MB        (1) 4M x 64        None            None

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

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

      64MB        (1) 8M x 64        None            None

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

     128MB        (1) 8M x 64     (1) 8M x 64        None

     128MB       (1) 16M x 64        None            None

     136MB       (1) 16M x 64     (1) 1M x 64        None

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

     144MB       (1) 16M x 64     (1) 2M x 64        None

                        DIMM CONFIGURATION (CONT)

       Size              Bank 0            Bank 1             Bank 2

       160MB          (1) 16M x 64       (1) 2M x 64       (1) 2M x 64

       160MB          (1) 16M x 64       (1) 4M x 64           None

       192MB          (1) 16M x 64       (1) 4M x 64       (1) 4M x 64

       192MB          (1) 16M x 64       (1) 8M x 64           None

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

       256MB          (1) 16M x 64       (1) 8M x 64       (1) 8M x 64

       256MB          (1) 16M x 64      (1) 16M x 64           None

       256MB          (1) 32M x 64          None               None

       264MB          (1) 32M x 64       (1) 1M x 64           None

       272MB          (1) 32M x 64       (1) 1M x 64       (1) 1M x 64

       272MB          (1) 32M x 64       (1) 2M x 64           None

       288MB          (1) 32M x 64       (1) 2M x 64       (1) 2M x 64

       288MB          (1) 32M x 64       (1) 4M x 64           None

       320MB          (1) 32M x 64       (1) 4M x 64       (1) 4M x 64

       320MB          (1) 32M x 64       (1) 8M x 64           None

       384MB          (1) 32M x 64       (1) 8M x 64       (1) 8M x 64

       384MB          (1) 32M x 64      (1) 16M x 64           None

       384MB          (1) 16M x 64      (1) 16M x 64       (1) 16M x 64

       512MB          (1) 32M x 64      (1) 16M x 64       (1) 16M x 64

       512MB          (1) 32M x 64      (1) 32M x 64           None

       768MB          (1) 32M x 64      (1) 32M x 64       (1) 32M x 64

            Note: Board accepts EDO & SDRAM memory. Maximum SDRAM is
            384MB. Maximum EDO is 768MB.

                     CACHE CONFIGURATION

  Note: 256KB/512KB cache is located on the Pentium II CPU.

                            CPU SPEED SELECTION

    CPU      Clock    Multiplier     W3/       W3/       W3/        W3/
  speed     speed
                                    pins 1    pins 3    pins 5     pins 7
                                     & 2       & 4       & 6        & 8

  233MHz    66MHz        3.5x       Closed    Closed     Open      Open

  266MHz    66MHz         4x        Closed     Open     Closed    Closed

  300MHz    66MHz        4.5x       Closed     Open     Closed     Open

  333MHz    66MHz         5x        Closed     Open      Open     Closed

