CSS LABORATORIES, INC.

MB-6863

Processor                  Pentium Pro
Processor Speed            180/200/266MHz
Chip Set                   Intel
Video Chip Set             None
Maximum Onboard Memory     512MB
Maximum Video Memory       None
Cache                      256/512KB (located on Pentium Pro CPU)
BIOS                       Award
Dimensions                 330mm x 218mm
I/O Options                32-bit PCI slots (5), floppy drive interface,
                           IDE interfaces (2), parallel port, PS/2 mouse
                           interface, serial ports (2), IR connector, VRM
                           connectors (2), USB connectors (2)
NPU Options                None

[Image]

                                CONNECTIONS

  Purpose                   Location     Purpose              Location

  PS/2 mouse/keyboard          J1        Speaker                 J26
  interface

  USB connector                J2        Chassis fan            JP11
                                         power

  USB connector                J3        IR connector           JP12

  Serial port 1                J4        External battery       JP13

  Serial port 2                J5        Chassis fan            JP16
                                         power

  5v power                     J6        Front panel            JP21
                                         connector

  Parallel port                J7        Reset switch       JP22/pins 1 &
                                                                  2

  Floppy drive                 J8        Turbo LED          JP22/pins 3 &
  interface                                                       4

  3.3v power                  J14        Power LED &            JP23
                                         keylock

  IDE interface 1             J20        32-bit PCI slots     PC1 – PC5

  IDE interface 2             J21        VRM connector 1        VRM1

  IDE interface LED           J25        VRM connector 2        VRM2

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

  »   Factory configured - do not           J19          Unidentified
      alter

  »   Factory configured - do not           JP7          Unidentified
      alter (DBX EXTSMI)

  »   Factory configured - do not           JP8          Unidentified
      alter

  »   Factory configured - do not          JP17          Unidentified
      alter

  »   Factory configured - do not          JP18          Unidentified
      alter

  »   Factory configured - do not          JP19          Unidentified
      alter

  »   ISA bus speed select /4              JP20        Pins 2 & 3 closed

      ISA bus speed select /3              JP20        Pins 1 & 2 closed

              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) 16M x 64       None

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

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

          DIMM CONFIGURATION (CON’T)

      Size          Bank 0          Bank 1

     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

     256MB        (1) 32M x 64       None

     264MB        (1) 32M x 64   (1) 1M x 64

     272MB        (1) 32M x 64   (1) 2M x 64

     288MB        (1) 32M x 64   (1) 4M x 64

     320MB        (1) 32M x 64   (1) 8M x 64

     384MB        (1) 32M x 64   (1) 16M x 64

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

                      CACHE CONFIGURATION

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

                            CPU SPEED SELECTION

    CPU      Clock    Multiplier     JP1       JP2       JP3        JP4
  speed     speed

  180MHz    60MHz         3x        Closed     Open     Closed     Open

  200MHz    66MHz         3x         Open     Closed    Closed     Open

  266MHz    66MHz         4x         Open     Closed    Closed    Closed

                        CPU SPEED SELECTION (CON’T)

    CPU      Clock    Multiplier     JP5       JP6       JP9       JP10
  speed     speed

  180MHz    60MHz         3x        Closed    Closed     Open     Closed

  200MHz    66MHz         3x        Closed    Closed    Closed     Open

  266MHz    66MHz         4x         Open     Closed    Closed     Open

                           FLASH BIOS SELECTION

           Setting                    JP14                   JP15

  »          Enabled           Pins 1 & 2 closed      Pins 2 & 3 closed

            Disabled           Pins 2 & 3 closed      Pins 1 & 2 closed