
VISIONEX

GREEN-B [4GPV3] MOTHERBOARD

Processor       CX486M6/80486SX/80487SX/CX486M7/AM486DX/80486DX/
                AM486DX2/80486DX2/P24C/P24T
Processor Speed 25/33/40/50(internal)/50/66(internal)MHz
Chip Set        Unidentified
Video Chip Set  None
Maximum Onboard 128MB
Memory
Maximum Video   None
Memory
Cache           64/128/256KB
BIOS            AMI/Award/MR
Dimensions      254mm x 218mm
I/O Options     32-bit VESA local bus slots (2), green PC connector
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                 Location    Purpose                   Location

  Turbo LED                 JP10      Green PC LED                JP39

  Speaker                   JP11      Green PC connector          JP40

  Power LED & keylock       JP13      Green PC connector          JP41

  Reset switch              JP15      Turbo switch                JP95

  External battery          JP17      32-bit VESA local bus    SL1 & SL2
                                      slots

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      PQFP CPU disabled                       JP1             Closed

      PQFP CPU enabled                        JP1              Open

     CMOS memory normal operation            JP16          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP16          Pins 2 & 3
                                                              closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 9       None

      2MB         (4) 256K x 9   (4) 256K x 9

      4MB         (4) 1M x 9         None

      5MB         (4) 256K x 9    (4) 1M x 9

      5MB         (4) 1M x 9     (4) 256K x 9

      8MB         (4) 1M x 9      (4) 1M x 9

      16MB        (4) 4M x 9         None

      17MB        (4) 256K x 9    (4) 4M x 9

      17MB        (4) 4M x 9     (4) 256K x 9

      20MB        (4) 1M x 9      (4) 4M x 9

      20MB        (4) 4M x 9      (4) 1M x 9

      32MB        (4) 4M x 9      (4) 4M x 9

      64MB        (4) 16M x 9        None

      65MB        (4) 256K x 9   (4) 16M x 9

      65MB        (4) 16M x 9    (4) 256K x 9

      68MB        (4) 1M x 9     (4) 16M x 9

      68MB        (4) 16M x 9     (4) 1M x 9

      80MB        (4) 4M x 9     (4) 16M x 9

      80MB        (4) 16M x 9     (4) 4M x 9

     128MB        (4) 16M x 9    (4) 16M x 9

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

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

     128KB      (4) 32K x 8        None       (1) 8K x 8

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

                  CACHE JUMPER CONFIGURATION

        Size                 JP7                  JP8

        64KB           Pins 2 & 3 closed   Pins 2 & 4 closed

        128KB          Pins 1 & 2 closed   Pins 2 & 3 closed

        256KB          Pins 1 & 2 closed   Pins 1 & 2 closed

                            CPU SPEED SELECTION

  Speed     ID3      JP5   JP5A   JP33    JP36     JP37    JP38    JP72

  25MHz     Open     2 &    4 &    2 &    Closed    1 &    2 &    Closed
                     3      5      4                2       3

  33MHz     Open     2 &    4 &    2 &    Closed    2 &    1 &     Open
                     3      5      4                3       2

  40MHz    Closed    1 &    3 &    2 &    Open      1 &    2 &     Open
                     2      5      3                2       3

  50iMHz    Open     2 &    4 &    2 &    Closed    1 &    2 &    Closed
                     3      5      4                2       3

  50MHz    Closed    1 &   N/A     1 &    Open      2 &    1 &     Open
                     2             2                3       2

  66iMHz    Open     2 &    4 &    2 &    Closed    2 &    1 &     Open
                     3      5      4                3       2

  Note: Pins designated should be in the closed position. If using a PGA
  CPU, use JP5 settings. If a PQFP CPU is installed, use JP5A settings.

                            CPU TYPE SELECTION

       Type               JP2                JP3                JP4

  80486SX (PQFP)          Open               Open              Open

   80486SX (PGA)       Pins 2 & 3            Open              Open
                         closed

      80487SX        Pins 1 & 2, 3 &      Pins 1 & 2          Closed
                        4 closed            closed

      80486DX        Pins 1 & 2, 3 &      Pins 2 & 3           Open
                        4 closed            closed

     80486DX2        Pins 1 & 2, 3 &      Pins 2 & 3           Open
                        4 closed            closed

       P24C          Pins 1 & 2, 3 &      Pins 1 & 2          Closed
                        4 closed            closed

       P24T          Pins 1 & 2, 3 &      Pins 1 & 2          Closed
                        4 closed            closed

  Note: The location of the PQFP is unidentified.

            CPU TYPE SELECTION

        Type                 JP2A

        Cyrix         Pins 2 & 3 closed

         AMD          Pins 1 & 2 closed

        Intel         Pins 1 & 2 closed

  VL BUS WAIT STATE SELECTION

    Setting           ID2

       0              Open

       1             Closed


