
CSS LABORATORIES, INC.

PREFERRED 590 PCI ESP SYSTEMS, MB-5861

Processor              Pentium
Processor Speed        75/90/100MHz
Chip Set               Intel
Max. Onboard DRAM      384MB
Cache                  256/512KB
BIOS                   Unidentified
Dimensions             330mm x 218mm
I/O Options            32-bit PCI slots (3), floppy drive interface, IDE
                       interface, parallel port, PS/2 mouse interface,
                       serial ports (2), cache clot
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  Speaker                  J37        IDE interface LED          LED

  Power LED &              J81        Non green monitor          MON
  keylock                             connector

  Auxiliary keyboard       J82        32-bit PCI slots        PC1 - PC3
  connector

  Reset switch         J83 pins 1 &   Floppy drive               PJ1
                            2         interface

  Turbo LED            J83 pins 3 &   Parallel port              PJ2
                            4

  External drive LED       J84        Serial port 1              PJ3

  Front panel              J85        Serial port 2              PJ4
  connector

  PS/2 mouse               J108       IDE interface              PJ5
  interface

  Turbo switch (not        JP12       Cache slot                 SL1
  used)

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

     CMOS memory normal operation            JP7              Open

      CMOS memory clear                       JP7             Closed

     Cache type select write back           JP11              Open

      Cache type select write through        JP11             Closed

     Pipeline enabled                       JP13             Closed

      Pipeline disabled                      JP13              Open

     Cache parity disabled                  JP14         pins 1 & 2, 3 &
                                                             4 closed

      Cache parity enabled                   JP14         pins 1 & 3, 2 &
                                                             4 closed

     Factory configured - do not            JP17              N/A
      alter

     Factory configured - do not            JP18              N/A
      alter

     Factory configured - do not            JP19              N/A
      alter

     Factory configured - do not            JP23              N/A
      alter

     On board mouse disabled                JIR12             Open

      On board mouse enabled                 JIR12            Closed

     Factory configured - do not             PJ8              N/A
      alter

  Note: The location of PJ8 is unidentified.

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       2MB        (2) 256K x 36         NONE            NONE

       4MB        (2) 256K x 36    (2) 256K x 36        NONE

       4MB        (2) 512K x 36         NONE            NONE

       6MB        (2) 256K x 36    (2) 512K x 36        NONE

       8MB        (2) 512K x 36    (2) 512K x 36        NONE

      10MB         (2) 1M x 36     (2) 256K x 36        NONE

      12MB        (2) 512K x 36     (2) 1M x 36         NONE

      14MB        (2) 256K x 36    (2) 512K x 36     (2) 1M x 36

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

      16MB         (2) 2M x 36          NONE            NONE

      18MB         (2) 2M x 36     (2) 256K x 36        NONE

      18MB         (2) 1M x 36      (2) 1M x 36     (2) 256K x 36

      20MB         (2) 1M x 36      (2) 1M x 36     (2) 512K x 36

      20MB         (2) 2M x 36     (2) 512K x 36        NONE

      22MB         (2) 2M x 36     (2) 512K x 36    (2) 256K x 36

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

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

      26MB         (2) 2M x 36      (2) 1M x 36     (2) 256K x 36

      28MB         (2) 2M x 36      (2) 1M x 36     (2) 512K x 36

      32MB         (2) 4M x 36          NONE            NONE

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

      34MB         (2) 4M x 36     (2) 256K x 36        NONE

      38MB         (2) 4M x 36     (2) 256K x 36    (2) 512K x 36

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

                    DRAM CONFIGURATION (CON'T)

      Size            Bank 0           Bank 1          Bank 2

      40MB         (2) 4M x 36     (2) 512K x 36    (2) 512K x 36

      42MB         (2) 4M x 36      (2) 1M x 36     (2) 256K x 36

      44MB         (2) 4M x 36      (2) 1M x 36     (2) 512K x 36

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

      48MB         (2) 4M x 36      (2) 1M x 36      (2) 1M x 36

      50MB         (2) 4M x 36      (2) 2M x 36     (2) 256K x 36

      52MB         (2) 4M x 36      (2) 2M x 36     (2) 512K x 36

      56MB         (2) 4M x 36      (2) 2M x 36      (2) 1M x 36

      64MB         (2) 8M x 36          NONE            NONE

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

      66MB         (2) 8M x 36     (2) 256K x 36        NONE

      66MB         (2) 4M x 36      (2) 4M x 36     (2) 256K x 36

      68MB         (2) 8M x 36     (2) 512K x 36        NONE

      68MB         (2) 4M x 36      (2) 4M x 36     (2) 512K x 36

      70MB         (2) 8M x 36     (2) 256K x 36    (2) 512K x 36

      72MB         (2) 8M x 36     (2) 512K x 36    (2) 512K x 36

      74MB         (2) 8M x 36      (2) 1M x 36     (2) 256K x 36

      76MB         (2) 8M x 36     (2) 512K x 36     (2) 1M x 36

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

      80MB         (2) 8M x 36      (2) 1M x 36      (2) 1M x 36

      82MB         (2) 8M x 36      (2) 2M x 36     (2) 256K x 36

      84MB         (2) 8M x 36      (2) 2M x 36     (2) 512K x 36

      88MB         (2) 8M x 36      (2) 2M x 36      (2) 1M x 36

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

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

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

      98MB         (2) 8M x 36      (2) 4M x 36     (2) 256K x 36

      100MB        (2) 8M x 36      (2) 4M x 36     (2) 512K x 36

      104MB        (2) 8M x 36      (2) 4M x 36      (2) 1M x 36

      112MB        (2) 8M x 36      (2) 4M x 36      (2) 2M x 36

      128MB        (2) 8M x 36      (2) 4M x 36      (2) 4M x 36

      128MB        (2) 16M x 36         NONE            NONE

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

      130MB        (2) 8M x 36      (2) 8M x 36     (2) 256K x 36

      130MB        (2) 16M x 36    (2) 256K x 36        NONE

      132MB        (2) 8M x 36      (2) 8M x 36     (2) 512K x 36

      136MB        (2) 8M x 36      (2) 8M x 36      (2) 1M x 36

      136MB        (2) 16M x 36     (2) 1M x 36         NONE

      138MB        (2) 16M x 36     (2) 1M x 36     (2) 256K x 36

      140MB        (2) 16M x 36     (2) 1M x 36     (2) 512K x 36

      144MB        (2) 16M x 36     (2) 2M x 36         NONE

      144MB        (2) 16M x 36     (2) 1M x 36      (2) 1M x 36

      146MB        (2) 16M x 36     (2) 2M x 36     (2) 256K x 36

                    DRAM CONFIGURATION (CON'T)

      Size            Bank 0           Bank 1          Bank 2

      148MB        (2) 16M x 36     (2) 2M x 36     (2) 512K x 36

      152MB        (2) 16M x 36     (2) 2M x 36      (2) 1M x 36

      160MB        (2) 16M x 36     (2) 4M x 36         NONE

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

      162MB        (2) 16M x 36     (2) 4M x 36     (2) 256K x 36

      164MB        (2) 16M x 36     (2) 4M x 36     (2) 512K x 36

      168MB        (2) 16M x 36     (2) 4M x 36      (2) 1M x 36

      176MB        (2) 16M x 36     (2) 4M x 36      (2) 2M x 36

      192MB        (2) 16M x 36     (2) 8M x 36         NONE

      192MB        (2) 16M x 36     (2) 4M x 36      (2) 4M x 36

      194MB        (2) 16M x 36     (2) 8M x 36     (2) 256K x 36

      196MB        (2) 16M x 36     (2) 8M x 36     (2) 512K x 36

      200MB        (2) 16M x 36     (2) 8M x 36      (2) 1M x 36

      208MB        (2) 16M x 36     (2) 8M x 36      (2) 2M x 36

      224MB        (2) 16M x 36     (2) 8M x 36      (2) 4M x 36

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

      256MB        (2) 16M x 36     (2) 8M x 36      (2) 8M x 36

      258MB        (2) 16M x 36     (2) 16M x 36    (2) 256K x 36

      260MB        (2) 16M x 36     (2) 16M x 36    (2) 512K x 36

      264MB        (2) 16M x 36     (2) 16M x 36     (2) 1M x 36

      272MB        (2) 16M x 36     (2) 16M x 36     (2) 2M x 36

      288MB        (2) 16M x 36     (2) 16M x 36     (2) 4M x 36

      320MB        (2) 16M x 36     (2) 16M x 36     (2) 8M x 36

      384MB        (2) 16M x 36     (2) 16M x 36    (2) 16M x 36

   CACHE CONFIGURATION

    Size         SL1

    256KB     Installed

    512KB     Installed

                  CACHE JUMPER CONFIGURATION

        Size                 JP5                  JP6

        None           pins 1 & 2 closed   pins 1 & 2 closed

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

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

                         CACHE TYPE CONFIGURATION

         Type                 JP4              JP15             JP16

      Standard cache      pins 1 & 2       pins 2 & 3       pins 1 & 2
                            closed            closed           closed

       Burst cache        pins 2 & 3       pins 1 & 2       pins 2 & 3
                            closed            closed           closed

                          CPU SPEED CONFIGURATION

      Speed               JP1               JP2                JP10

      75MHz            pins 1 & 2        pins 1 & 2            Open
                        closed             closed

      90MHz            pins 2 & 3        pins 2 & 3            Open
                        closed             closed

      100MHz           pins 1 & 2        pins 2 & 3            Open
                        closed             closed

      120MHz           pins 2 & 3        pins 2 & 3           Closed
                        closed             closed

      133MHz           pins 1 & 2        pins 2 & 3           Closed
                        closed             closed

                        PARALLEL PORT CONFIGURATION

      Address            IRQ           P0            P1           PRT

      Disabled       Disabled      pins 1 & 2   pins 1 & 2       N/A
                                     closed        closed

        3BCh           IRQ7        pins 2 & 3   pins 1 & 2    pins 2 & 3
                                     closed        closed       closed

        378h           IRQ7        pins 1 & 2   pins 2 & 3    pins 2 & 3
                                     closed        closed       closed

        278h           IRQ5        pins 2 & 3   pins 2 & 3    pins 1 & 2
                                     closed        closed       closed

                        SERIAL PORT 1 CONFIGURATION

      Address            IRQ           PJ6           S0           S1

      Disabled       Disabled         N/A       pins 1 & 2    pins 1 & 2
                                                   closed       closed

        338hh        Disabled         N/A       pins 2 & 3    pins 1 & 2
                                                   closed       closed

        2F8h           IRQ3        pins 1 & 3   pins 1 & 2    pins 2 & 3
                                     closed        closed       closed

        3F8h           IRQ4        pins 1 & 2   pins 2 & 3    pins 2 & 3
                                     closed        closed       closed

                        SERIAL PORT 2 CONFIGURATION

      Address            IRQ           PJ8           S2           S3

      Disabled       Disabled         N/A       pins 1 & 2    pins 1 & 2
                                                   closed       closed

        238hh        Disabled         N/A       pins 2 & 3    pins 1 & 2
                                                   closed       closed

        3F8h           IRQ4        pins 2 & 4   pins 1 & 2    pins 2 & 3
                                     closed        closed       closed

        2F8h           IRQ3        pins 3 & 4   pins 2 & 3    pins 2 & 3
                                     closed        closed       closed

                        ON BOARD IDE CONFIGURATION

      Setting              IDE               PJ10              PJ24

      Disabled          pins 1 & 2           Open              Open
                          closed

      Enabled           pins 2 & 3          Closed            Closed
                          closed

                       ON BOARD FLOPPY CONFIGURATION

      Setting              FDD               PJ11              PJ12

      Disabled          pins 1 & 2           Open              Open
                          closed

      Enabled           pins 2 & 3          Closed            Closed
                          closed

                         FLASH BIOS CONFIGURATION

        Setting              JP20              JP21             JP22

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

       Normal mode        pins 2 & 3       pins 1 & 2       pins 1 & 2
                            closed            closed           closed

       Program mode       pins 2 & 3       pins 2 & 3       pins 1 & 2
                            closed            closed           closed

      Recovery mode       pins 1 & 2       pins 1 & 2       pins 1 & 2
                            closed            closed           closed

                      ON BOARD I/O CHIP CONFIGURATION

       Chip type           PJ20        PJ21         PJ22          PJ23

       FDC37C652          Closed      Closed        Open          Open

  FDC37C663/664 (DRATE     Open        Open       pins 1 & 2      Open
         mode)                                     closed

  FDC37C663/664 (Media     Open        Open       pins 2 & 3     Closed
       ID mode)                                    closed

