
CSS LABORATORIES, INC.

MS-4861

Processor   80486SX/SL80486SX/UMCU5/80486DX/SL80486DX/CXM7/
            AM486DX2/AM486DX2+/80486DX2/SL80486DX2/SL80486DX4/
            AM486DX5/P24D/CX M1SC/P24T
Processor   33/40/66(internal)80(internal)/100(internal)/133(internal)MHz
Speed
Chip Set    ALI
Video Chip  Unidentified
Set
Maximum     128MB
Onboard
Memory
Maximum     1MB
Video
Memory
Cache       128/256/512KB
BIOS        AMI
Dimensions  Unidentified
I/O Options Floppy drive interface, IDE interfaces (2), parallel port,
            serial ports (2), VGA port, PC/104 connectors (2)
NPU Options None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  IDE interface 1             J3       Serial port 2               J8

  Parallel port               J4       Serial port 1               J9

  On board IDE disk           J5       VGA port                   J10
  connector

  Floppy drive                J6       PC/104 connector            P1
  interface

  IDE interface 2             J7       PC/104 connector            P2

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           JP1          Unidentified
      alter

     Factory configured - do not          JP14          Unidentified
      alter (flash BIOS select)

     Factory configured - do not          JP23          Unidentified
      alter

     Factory configured - do not          JP35          Unidentified
      alter (IDE master)

     Factory configured - do not          JP40          Unidentified
      alter

     Factory configured - do not          JP41          Unidentified
      alter

     Factory configured - do not          JP45          Unidentified
      alter

     Factory configured - do not          JP46          Unidentified
      alter

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       4MB         (1) 1M x 36          None            None

       8MB         (1) 1M x 36      (1) 1M x 36         None

       8MB         (1) 2M x 36          None            None

      10MB         (1) 1M x 36      (1) 1M x 36     (1) 512K x 36

      10MB         (1) 2M x 36     (1) 512K x 36        None

      12MB         (1) 2M x 36      (1) 1M x 36         None

      12MB         (1) 1M x 36      (1) 1M x 36      (1) 1M x 36

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

      16MB         (1) 4M x 36          None            None

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

      20MB         (1) 4M x 36      (1) 1M x 36         None

      20MB         (1) 4M x 36     (1) 512K x 36    (1) 512K x 36

      22MB         (1) 4M x 36      (1) 1M x 36     (1) 512K x 36

      24MB         (1) 4M x 36      (1) 2M x 36         None

      24MB         (1) 4M x 36      (1) 1M x 36      (1) 1M x 36

      26MB         (1) 4M x 36      (1) 2M x 36     (1) 512K x 36

      28MB         (1) 4M x 36      (1) 2M x 36      (1) 1M x 36

      32MB         (1) 8M x 36          None            None

      32MB         (1) 4M x 36      (1) 4M x 36         None

      34MB         (1) 8M x 36     (1) 512K x 36        None

      34MB         (1) 4M x 36      (1) 4M x 36     (1) 512K x 36

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

      38MB         (1) 8M x 36     (1) 512K x 36     (1) 1M x 36

      40MB         (1) 8M x 36      (1) 2M x 36         None

      40MB         (1) 8M x 36      (1) 1M x 36      (1) 1M x 36

      42MB         (1) 8M x 36      (1) 2M x 36     (1) 512K x 36

      44MB         (1) 8M x 36      (1) 2M x 36      (1) 1M x 36

      48MB         (1) 8M x 36      (1) 4M x 36         None

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

      48MB         (1) 8M x 36      (1) 2M x 36      (1) 2M x 36

      50MB         (1) 8M x 36      (1) 4M x 36     (1) 512K x 36

                          DRAM CONFIGURATION

       Size            Bank 0            Bank 1           Bank 2

       52MB          (1) 8M x 36      (1) 4M x 36       (1) 1M x 36

       56MB          (1) 8M x 36      (1) 4M x 36       (1) 2M x 36

       64MB          (1) 8M x 36      (1) 4M x 36       (1) 4M x 36

       64MB         (1) 16M x 36          None             None

       64MB          (1) 8M x 36      (1) 8M x 36          None

       66MB          (1) 8M x 36      (1) 8M x 36      (1) 512K x 36

       68MB          (1) 8M x 36      (1) 8M x 36       (1) 1M x 36

       68MB         (1) 16M x 36      (1) 1M x 36          None

       70MB         (1) 16M x 36      (1) 1M x 36      (1) 512K x 36

       72MB         (1) 16M x 36      (1) 2M x 36          None

       72MB         (1) 16M x 36      (1) 1M x 36       (1) 1M x 36

       74MB         (1) 16M x 36      (1) 2M x 36      (1) 512K x 36

       76MB         (1) 16M x 36      (1) 2M x 36       (1) 1M x 36

       80MB         (1) 16M x 36      (1) 4M x 36          None

       80MB         (1) 16M x 36      (1) 2M x 36       (1) 2M x 36

       82MB         (1) 16M x 36      (1) 4M x 36      (1) 512K x 36

       84MB         (1) 16M x 36      (1) 4M x 36       (1) 1M x 36

       88MB         (1) 16M x 36      (1) 4M x 36       (1) 2M x 36

       96MB         (1) 16M x 36      (1) 8M x 36          None

       96MB         (1) 16M x 36      (1) 4M x 36       (1) 4M x 36

       98MB         (1) 16M x 36      (1) 8M x 36      (1) 512K x 36

      100MB         (1) 16M x 36      (1) 8M x 36       (1) 1M x 36

      104MB         (1) 16M x 36      (1) 8M x 36       (1) 2M x 36

      112MB         (1) 16M x 36      (1) 8M x 36       (1) 4M x 36

      128MB         (1) 16M x 36      (1) 16M x 36         None

      128MB         (1) 16M x 36      (1) 8M x 36       (1) 8M x 36

  Note: Board accepts x 32 SIMMs. 512KB x 32/36 is not recommended.

                    CACHE CONFIGURATION

        Size              Bank 0                TAG

       128KB            (4) 32K x 8         (1) 32K x 8

       256KB            (4) 64K x 8         (1) 32K x 8

       512KB           (4) 128K x 8         (1) 32K x 8

  Note: The location of bank 0 & the TAG is unidentified.

  CACHE JUMPER CONFIGURATION

   Size      JP21      JP22

  128KB      Open      Open

  256KB      Open     Closed

  512KB     Closed    Closed

            VIDEO MEMORY CONFIGURATION

          Size                    Bank 0

           1MB                 (2) 256K x 16

  Note: The location of bank 0 is unidentified.

                            CPU SPEED SELECTION

     Speed          JP15           JP16           JP18           JP25

     33MHz         Closed          Open        Pins 1 & 2        Open
                                                 closed

     40MHz          Open          Closed       Pins 2 & 3       Closed
                                                 closed

    66iMHz         Closed          Open        Pins 1 & 2        Open
                                                 closed

    80iMHz          Open          Closed       Pins 2 & 3       Closed
                                                 closed

    100iMHz        Closed          Open        Pins 1 & 2        Open
                                                 closed

    133iMHz        Closed          Open        Pins 1 & 2        Open
                                                 closed

                            CPU TYPE SELECTION

      Type           JP5          JP6         JP7       JP8        JP9

     80486SX         Open         Open       1 & 2     Open        Open

    SL80486SX       Closed        Open       3 & 4     3 & 4      3 & 4

     UMC U5          Open         Open       1 & 2     1 & 2      1 & 2

     80486DX         Open         Open       1 & 2     Open        Open

    SL80486DX       Closed        Open       3 & 4     3 & 4      3 & 4

      CX M7         Closed        Open       5 & 6     5 & 6      5 & 6

    AM486DX2         Open        Closed      1 & 2     Open        Open

   AM486DX2-66       Open        Closed      1 & 2     Open        Open

   AM486DX2-80       Open        Closed      1 & 2     Open        Open

  AM486DX2-100       Open        Closed      1 & 2     Open        Open

  AM486DX2+-66      Closed        Open       3 & 4     3 & 4      3 & 4

  AM486DX2+-80      Closed        Open       3 & 4     3 & 4      3 & 4

  AM486DX2+-100     Closed        Open       3 & 4     3 & 4      3 & 4

    80486DX2         Open         Open       1 & 2     Open        Open

   SL80486DX2       Closed        Open       3 & 4     3 & 4      3 & 4

   SL80486DX4       Closed        Open       3 & 4     3 & 4      3 & 4

    AM486DX5         Open         Open       1 & 2     Open        Open

      P24D          Closed        Open       3 & 4     3 & 4      3 & 4

     CX M1SC        Closed        Open       3 & 4     3 & 4      3 & 4

      P24T          Closed        Open       3 & 4     3 & 4      3 & 4

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

       Type           JP10       JP11       JP12       JP13        JP34

      80486SX         Open       1 & 2      1 & 2      Open        Open

     SL80486SX        Open       1 & 2      1 & 2      Open        Open

      UMC U5          Open       1 & 2      1 & 2      Open        Open

      80486DX         Open       1 & 2      2 & 3      2 & 3       Open

     SL80486DX        Open       1 & 2      2 & 3      2 & 3       Open

       CX M7         1 & 2       1 & 2      2 & 3      2 & 3      1 & 2

     AM486DX2         Open       1 & 2      2 & 3      2 & 3       Open

    AM486DX2-66       Open       1 & 2      2 & 3      2 & 3       Open

    AM486DX2-80       Open       1 & 2      2 & 3      2 & 3       Open

   AM486DX2-100       Open       1 & 2      2 & 3      2 & 3       Open

   AM486DX2+-66     1 & 3, 5     2 & 3      2 & 3      2 & 3      2 & 3
                      & 6

   AM486DX2+-80     1 & 3, 5     2 & 3      2 & 3      2 & 3      2 & 3
                      & 6

   AM486DX2+-100     5 & 6       2 & 3      2 & 3      2 & 3      2 & 3

     80486DX2         Open       1 & 2      2 & 3      2 & 3       Open

    SL80486DX2        Open       1 & 2      2 & 3      2 & 3       Open

    SL80486DX4        Open       1 & 2      2 & 3      2 & 3       Open

     AM486DX5         Open       1 & 2      2 & 3      2 & 3       Open

       P24D          5 & 6       2 & 3      2 & 3      2 & 3      2 & 3

      CX M1SC        5 & 6       2 & 3      2 & 3      2 & 3      2 & 3

       P24T           Open       2 & 3      2 & 3      1 & 2      2 & 3

  Note: Pins designated should be in the closed position.

                    CPU VOLTAGE SELECTION

       Voltage               JP2                  JP3

        3.3v           Pins 2 & 3 closed   Pins 2 & 3 closed

        3.45v          Pins 2 & 3 closed   Pins 2 & 3 closed

        3.6v           Pins 2 & 3 closed   Pins 2 & 3 closed

         4v            Pins 2 & 3 closed   Pins 2 & 3 closed

         5v            Pins 1 & 2 closed   Pins 1 & 2 closed

                           DMA CHANNEL SELECTION

         Channel                   JP19                     JP20

             1             Pins 2 & 3 closed        Pins 2 & 3 closed

              3             Pins 1 & 2 closed        Pins 1 & 2 closed

