
I-BUS

THRESHER

Processor                Pentium Pro
Processor Speed          150/166/180/200MHz
Chip Set                 Unidentified
Video Chip Set           None
Maximum Onboard Memory   512MB (EDO supported)
Maximum Video Memory     None
Cache                    256/512KB (located on Pentium Pro CPU)
BIOS                     Award
Dimensions               Unidentified
I/O Options              Floppy drive interface, IDE interface, parallel
                         port, PS/2 mouse port, serial ports (2), VRM
                         connector, USB connector
NPU Options              None

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                 Location

  IDE interface LED          J1        Auxiliary keyboard         J9
                                       connector

  IDE interface              J2        Reset switch               J10

  Floppy drive               J3        USB connector              J11
  interface

  Chassis fan power          J4        Speaker                    J12

  Parallel port              J5        External battery           J18

  Serial port 1              J6        PS/2 mouse port            J19

  Serial port 2              J7        VRM connector              VRM

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Flash BIOS write protect              J8               Open
      disabled

      Flash BIOS write protect              J8              Closed
      enabled

      On board speaker enabled              J12        Pins 1 & 2 closed

      On board speaker disabled             J12              Open

      External speaker enabled              J12             Closed

     Factory configured - do not           J15          Unidentified
      alter

      Watch dog timer enabled               J17             Closed

      Watch dog timer disabled              J17              Open

      On board speaker enabled              J18        Pins 3 & 4 closed

      On board speaker disabled             J18              Open

      External speaker enabled              J18             Closed

     Factory configured - do not           J22          Unidentified
      alter

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1M x 36        None

      16MB        (2) 2M x 36        None

      16MB        (2) 1M x 36    (2) 1M x 36

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

      32MB        (2) 4M x 36        None

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

      40MB        (2) 1M x 36    (2) 4M x 36

      48MB        (2) 2M x 36    (2) 4M x 36

      64MB        (2) 8M x 36        None

      64MB        (2) 4M x 36    (2) 4M x 36

      72MB        (2) 1M x 36    (2) 8M x 36

      80MB        (2) 2M x 36    (2) 8M x 36

      96MB        (2) 4M x 36    (2) 8M x 36

     128MB        (2) 16M x 36       None

     128MB        (2) 8M x 36    (2) 8M x 36

     136MB        (2) 1M x 36    (2) 16M x 36

     144MB        (2) 2M x 36    (2) 16M x 36

     160MB        (2) 4M x 36    (2) 16M x 36

     192MB        (2) 8M x 36    (2) 16M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

     512MB        (2) 32M x 36   (2) 32M x 36

  Note: Board accepts EDO memory.

                      CACHE CONFIGURATION

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

                            CPU SPEED SELECTION

  CPU speed      Clock       Multiplier       J13       J14        J21
                 speed

   150MHz        60MHz          2.5x         1 & 3     2 & 4     3 & 4, 5
                                                                 & 6, 7 &
                                                                    8

   166MHz        66MHz          2.5x         2 & 4     1 & 3     3 & 4, 5
                                                                 & 6, 7 &
                                                                    8

   180MHz        60MHz           3x          1 & 3     2 & 4     1 & 2, 3
                                                                 & 4, 7 &
                                                                    8

   200MHz        66MHz           3x          2 & 4     1 & 3     1 & 2, 3
                                                                 & 4, 7 &
                                                                    8

  Note: Pins designated should be in the closed position.

                     WATCH DOG TIMER/ISA BUS SELECTION

                Setting                                J20

          IRQ11 for ISA bus only               Pins 3 & 4 closed

        IRQ11 for watch dog timer and        Pins 1 & 3, 2 & 4 closed
                  ISA bus

       IRQ11 for watch dog timer only           Pins 1 & 3 closed

