YOUNG MICRO SYSTEMS, INC.

MB-6000

Processor               Pentium Pro
Processor Speed         133/150/166/180/200MHz
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 (4), floppy drive interface,
                        green PC connector, IDE interfaces (2), Ultra Wide
                        SCSI interface, Fast SCSI interface, parallel
                        port, PS/2 mouse port, serial ports (2), IR
                        connector, ATX power connector
NPU Options             None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Soft on power         JP1 pins 1 &
  connector                                                       2

  Serial port 2            CN1         Turbo LED             JP1 pins 3 &
                                                                  4

  Parallel port            CN2         Power LED &           JP1 pins 5 -
                                       keylock                    9

  PS/2 mouse port          CN3         IDE interface LED    JP1 pins 10 -
                                                                 13

  Serial port 1            CN4         Speaker              JP1 pins 14 -
                                                                 17

  Ultra Wide SCSI          CN5         Reset switch         JP1 pins 18 &
  interface                                                      19

  Fast SCSI                CN6         Green PC connector   JP1 pins 20 &
  interface                                                      21

  IDE interface 1          CN7         IR connector         JP1 pins 22 -
                                                                 26

  IDE interface 2          CN8         32-bit PCI slots       PC1 – PC4

  Floppy drive             CN9
  interface

                        USER CONFIGURABLE SETTINGS

                Function                      Label          Position

  »   SCSI high byte termination select        JS8          Pins 1 & 2
      auto                                                    closed

      SCSI high byte termination select        JS8          Pins 2 & 3
      always                                                  closed

  »   RAID support select normal               JS9          Pins 1 & 2
                                                              closed

      RAID support select ARO-1130 RAID        JS9          Pins 2 & 3
      card installed                                          closed

  »   SCSI data bus width select Fast         JS10          Pins 1 & 2
      8-bit                                                   closed

      SCSI data bus width select Fast         JS10          Pins 2 & 3
      and Wide 16-bit                                         closed

      Flash BIOS voltage select 12v           FLASH         Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 5v            FLASH         Pins 2 & 3
                                                              closed

  »   CMOS memory normal operation            CMOS          Pins 1 & 2
                                                              closed

      CMOS memory clear                       CMOS          Pins 2 & 3
                                                              closed

  »   Monitor type select color               MONO          Pins 1 & 2
                                                              closed

      Monitor type select monochrome          MONO          Pins 2 & 3
                                                              closed

  »   Password normal operation               PSWD          Pins 1 & 2
                                                              closed

      Password clear                          PSWD          Pins 2 & 3
                                                              closed

                        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

         32MB              (2) 4M x 36               None

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

         64MB              (2) 8M x 36               None

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

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

        128MB              (2) 16M x 36              None

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

        256MB              (2) 32M x 36              None

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

  Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

                      CACHE CONFIGURATION

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

                            CPU SPEED SELECTION

  CPU speed     Clock     Multiplier     JS4      JS5      JS6      JS7
               speed

   133MHz      66MHz          2x        2 & 3    2 & 3    2 & 3    2 & 3

   150MHz      60MHz         2.5x       1 & 2    1 & 2    1 & 2    1 & 2

   166MHz      66MHz         2.5x       2 & 3    2 & 3    2 & 3    2 & 3

   180MHz      60MHz          3x        1 & 2    1 & 2    1 & 2    1 & 2

   200MHz      66MHz          3x        2 & 3    2 & 3    2 & 3    2 & 3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (CON’T)

    CPU        Clock     Multiplier     JSS1     JSS2     JSS3      JSS4
   speed      speed

  133MHz      66MHz          2x        1 & 2    1 & 2     1 & 2    1 & 2

  150MHz      60MHz         2.5x       1 & 2    1 & 2     1 & 2    2 & 3

  166MHz      66MHz         2.5x       1 & 2    1 & 2     1 & 2    2 & 3

  180MHz      60MHz          3x        1 & 2    1 & 2     2 & 3    1 & 2

  200MHz      66MHz          3x        1 & 2    1 & 2     2 & 3    1 & 2

  Note: Pins designated should be in the closed position.