
GENOA SYSTEMS CORPORATION

TURBOEXPRESS 686DP ATX

Processor                Pentium Pro
Processor Speed          150/166/180/200MHz
Chip Set                 Intel
Video Chip Set           None
Maximum Onboard Memory   512MB (EDO supported)
Maximum Video Memory     None
Cache                    256/512KB (located on Pentium Pro CPU)
BIOS                     AMI
Dimensions               305mm x 244mm
I/O Options              32-bit PCI slots (5), floppy drive interface,
                         green PC connector, IDE interfaces (2), parallel
                         port, PS/2 mouse port, serial ports (2), IR
                         connector, USB connector, ATX power connector
NPU Options              None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         IDE interface 1          J14
  connector

  Serial port 1             J1         Speaker             J15/pins 1 - 4

  PS/2 mouse port           J2         Green PC             J15/pins 6 &
                                       connector                 16

  Parallel port             J4         Soft off power       J15/pins 7 &
                                       supply                    17

  Serial port 2             J5         Turbo LED            J15/pins 8 &
                                                                 18

  USB connector             J6         Reset switch         J15/pins 9 &
                                                                 19

  CPU fan power             J7         IDE interface LED    J15/pins 10 &
                                                                 20

  CPU fan power             J8         Power LED &          J15/pins 11 -
                                       keylock                   15

  Floppy drive             J12         IR connector             J20
  interface

  IDE interface 2          J13         32-bit PCI slots      PC1  PC5

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP15             Open

      CMOS memory clear                       JP15            Closed

                           SIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

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

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

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

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

     32MB       (2) 4M x 36       None           None          None

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

     32MB       (2) 2M x 36   (2) 2M x 36        None          None

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

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

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

     48MB       (2) 2M x 36   (2) 4M x 36        None          None

     64MB       (2) 8M x 36       None           None          None

     64MB       (2) 2M x 36   (2) 2M x 36    (2) 2M x 36    (2) 2M x 36

     64MB       (2) 4M x 36   (2) 4M x 36        None          None

     72MB       (2) 1M x 36   (2) 4M x 36    (2) 4M x 36       None

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

     80MB       (2) 2M x 36   (2) 4M x 36    (2) 4M x 36       None

     80MB       (2) 2M x 36   (2) 8M x 36        None          None

     96MB       (2) 4M x 36   (2) 4M x 36    (2) 4M x 36       None

     96MB       (2) 4M x 36   (2) 8M x 36        None          None

    128MB       (2) 4M x 36   (2) 4M x 36    (2) 4M x 36    (2) 4M x 36

    128MB       (2) 8M x 36   (2) 8M x 36        None          None

    136MB       (2) 1M x 36   (2) 8M x 36    (2) 8M x 36       None

                        SIMM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     144MB       (2) 2M x 36   (2) 8M x 36    (2) 8M x 36        None

     160MB       (2) 4M x 36   (2) 8M x 36    (2) 8M x 36        None

     192MB       (2) 8M x 36   (2) 8M x 36    (2) 8M x 36        None

     256MB       (2) 16M x 36  (2) 16M x 36       None           None

     384MB       (2) 16M x 36  (2) 16M x 36   (2) 16M x 36       None

     512MB       (2) 16M x 36  (2) 16M x 36   (2) 16M x 36   (2) 16M x 36

            Note: Board accepts EDO memory.

                      CACHE CONFIGURATION

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

                            CPU SPEED SELECTION

    CPU       Clock    Multiplier     SW1/1    SW1/2     SW1/3     SW1/4
   speed     speed

  150MHz     60MHz        2.5x         On       Off       On        Off

  166MHz     66MHz        2.5x         Off       On       Off       On

  180MHz     60MHz         3x          On       Off       On        Off

  200MHz     66MHz         3x          Off       On       Off       On

                        CPU SPEED SELECTION (CONT)

    CPU       Clock    Multiplier     SW1/5    SW1/6     SW1/7     SW1/8
   speed     speed

  150MHz     60MHz        2.5x         Off       On       On        On

  166MHz     66MHz        2.5x         Off       On       On        On

  180MHz     60MHz         3x          On       Off       On        On

  200MHz     66MHz         3x          On       Off       On        On

