
CSS LABORATORIES, INC.

PREFERRED TR SYSTEMS, MAXPRO MT TR SYSTEMS, PRORACK TR SYSTEMS, MB-5864

Processor          Pentium
Processor Speed    75/90/100/120/133/150/166MHz
Chip Set           Unidentified
Max. Onboard DRAM  128MB
Cache              256/512KB
BIOS               Unidentified
Dimensions         330mm x 218mm
I/O Options        32-bit PCI slots (4), floppy drive interface, green PC
                   connector, IDE interfaces (2), parallel port, PS/2
                   mouse interface, serial ports (2), cache slot
NPU Options        None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                  Location

  Floppy drive             J4         Turbo LED              J99 pins 3 &
  interface                                                       4

  Power LED &              J32        IDE interface LED          J100
  keylock

  PCI IDE interface        J34        Front panel                J101
  LED                                 connector

  Speaker                  J39        External battery           J106

  IDE interface 1          J70        IR connector               J107

  IDE interface 2          J71        Green PC connector         MON
                                      (monitor)

  PS/2 mouse               J86        32-bit PCI slots        PC1 - PC4
  interface

  Serial port 2            J96        Internal temperature       SEN1
                                      sensor

  Serial port 1            J97        Internal temperature       SEN2
                                      sensor

  Parallel port            J98        Cache slot                 SL1

  Reset switch         J99 pins 1 &
                            2

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Pipeline enabled                        JP16            Closed

      Pipeline disabled                       JP16             Open

     CMOS memory normal operation            JP20             Open

      CMOS memory clear                       JP20            Closed

     Password normal operation               JP21             Open

      Password clear                          JP21            Closed

     Factory configured - do not             JP22             N/A
      alter

     Factory configured - do not             JP27             N/A
      alter

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       8MB         (2) 1M x 32          NONE

       8MB        (2) 512K x 32    (2) 512K x 32

      10MB         (2) 1M x 32     (2) 256K x 32

      10MB        (2) 256K x 32     (2) 1M x 32

      12MB         (2) 1M x 32     (2) 512K x 32

      12MB        (2) 512K x 32     (2) 1M x 32

      16MB         (2) 2M x 32          NONE

      16MB         (2) 1M x 32      (2) 1M x 32

      18MB         (2) 2M x 32     (2) 256K x 32

      18MB        (2) 256K x 32     (2) 2M x 32

      20MB         (2) 2M x 32     (2) 512K x 32

            DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1

      20MB        (2) 512K x 32     (2) 2M x 32

      24MB         (2) 2M x 32      (2) 1M x 32

      24MB         (2) 1M x 32      (2) 2M x 32

      32MB         (2) 4M x 32          NONE

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

      34MB         (2) 4M x 32     (2) 256K x 32

      34MB        (2) 256K x 32     (2) 4M x 32

      36MB         (2) 4M x 32     (2) 512K x 32

      36MB        (2) 512K x 32     (2) 4M x 32

      40MB         (2) 4M x 32      (2) 1M x 32

      40MB         (2) 1M x 32      (2) 4M x 32

      48MB         (2) 4M x 32      (2) 2M x 32

      48MB         (2) 2M x 32      (2) 4M x 32

      64MB         (2) 8M x 32          NONE

      64MB         (2) 4M x 32      (2) 4M x 32

      66MB         (2) 8M x 32     (2) 256K x 32

      66MB        (2) 256K x 32     (2) 8M x 32

      68MB         (2) 8M x 32     (2) 512K x 32

      68MB        (2) 512K x 32     (2) 8M x 32

      72MB         (2) 8M x 32      (2) 1M x 32

      72MB         (2) 1M x 32      (2) 8M x 32

      80MB         (2) 8M x 32      (2) 2M x 32

      80MB         (2) 2M x 32      (2) 8M x 32

      96MB         (2) 8M x 32      (2) 4M x 32

      96MB         (2) 4M x 32      (2) 8M x 32

      128MB        (2) 8M x 32      (2) 8M x 32

   CACHE CONFIGURATION

    Size         SL1

    256KB     Installed

    512KB     Installed

                  CACHE JUMPER CONFIGURATION

        Size                 JP12                 JP13

        None           pins 2 & 3 closed   pins 2 & 3 closed

        256KB          pins 2 & 3 closed   pins 1 & 2 closed

        512KB          pins 1 & 2 closed   pins 2 & 3 closed

                  CACHE JUMPER CONFIGURATION

        Type                 JP10                 JP11

    Asynchronous       pins 2 & 3 closed   pins 1 & 2 closed

        Burst          pins 1 & 2 closed   pins 2 & 3 closed

   Pipeline burst      pins 2 & 3 closed   pins 2 & 3 closed

                  CPU SPEED CONFIGURATION

  Speed       JP1       JP2       JP15      JP28     JP108

  75MHz      2 & 3     2 & 3      Open     1 & 2     1 & 2

  90MHz      1 & 2     2 & 3      Open     1 & 2     2 & 3

  100MHz     2 & 3     1 & 2      Open     1 & 2     2 & 3

  120MHz     1 & 2     2 & 3     2 & 3     1 & 2     2 & 3

  133MHz     2 & 3     1 & 2     2 & 3     1 & 2     2 & 3

  150MHz     1 & 2     2 & 3     2 & 3     2 & 3     2 & 3

  166MHz     2 & 3     1 & 2     2 & 3     2 & 3     2 & 3

  Note: Pins designated should be in the closed position.

                            BIOS CONFIGURATION

       Setting              JP17              JP18             JP19

        EPROM            pins 1 & 2        pins 1 & 2        pins 2 & 3
                           closed            closed           closed

    Flash normal         pins 1 & 2        pins 1 & 2        pins 1 & 2
                           closed            closed           closed

  Flash programming      pins 1 & 2        pins 2 & 3        pins 1 & 2
                           closed            closed           closed

                   FLASH BIOS CONFIGURATION

       Setting               JP14                 JP26

  Green PC enabled           Open                 Open

  Green PC disabled         Closed               Closed

  Note: JP14 may not be present on all boards.

