
VISION TECHNOLOGIES

VLR 486

Processor  CX486M6/80486SX/TI486SXL/TI486SXL2/80487SX/CX486M7/80486DX/
           AM486DXL/486DX2/80486DX4/Pentium Overdrive
Processor  25/33/40/50(internal)/50/66(internal)/66/75(internal)/80(internal)/
Speed      100(internal)MHz
Chip Set   ALI
Max.       128MB
Onboard
DRAM
Cache      32/64/128/256/512KB
BIOS       Award
Dimensions 330mm x 218mm
I/O        32-bit VESA local bus slots (3)
Options
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  Reset switch                J1        Turbo LED                  J4

  Power LED & keylock         J2        Turbo switch               J5

  Speaker                     J3        32-bit VESA local      SL1 - SL3
                                        bus slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

      Battery type select internal             J6           pins 2 & 3
                                                              closed

      Battery type select external             J6             Closed

      CMOS memory clear                        J6           pins 1 & 2
                                                              closed

      Factory configured - do not             JP4              N/A
      alter

      Factory configured - do not             JP11          pins 1 & 2
      alter                                                   closed

      Cache type select write through         JP16             Open

      Cache type select write back            JP16            Closed

      Factory configured - do not             JP18             N/A
      alter

      CPU type select Intel S series          JP19            Closed
      CPU

      CPU type select 5v general CPU          JP19             Open

      Factory configured - do not             JP22          pins 2 & 3
      alter                                                   closed

      Factory configured - do not             JP29          pins 2 & 3
      alter                                                   closed

      External power select standby           JP32          pins 1 & 3
      mode                                                    closed

      External power select suspend           JP32          pins 5 & 7
      mode                                                    closed

      Factory configured - do not             JP34            Closed
      alter

      Factory configured - do not             JP35            Closed
      alter

      Monitor type select color               JP39            Closed

      Monitor type select monochrome          JP39             Open

      Battery type select lithIum             JP42          pins 2 & 3
                                                              closed

      Battery type select NI-CD               JP42          pins 1 & 2
                                                              closed

  Note: The locations of JP29, JP34, and JP35 are unidentified.

                        DRAM CONFIGURATION

      Size            Bank 0          Bank 0/1         Bank 1

       1MB         (4) 256K x 9         NONE            NONE

       1MB             NONE        (1) 256K x 36        NONE

       1MB             NONE             NONE        (1) 256K x 36

       2MB         (4) 256K x 9    (1) 256K x 36        NONE

       2MB         (4) 256K x 9         NONE        (1) 256K x 36

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

       3MB         (4) 256K x 9    (1) 256K x 36    (1) 256K x 36

       4MB          (4) 1M x 9          NONE            NONE

       4MB             NONE         (1) 1M x 36         NONE

       4MB             NONE             NONE         (1) 1M x 36

       6MB         (4) 256K x 9     (1) 1M x 36     (1) 256K x 36

       6MB         (4) 256K x 9    (1) 256K x 36     (1) 1M x 36

       6MB          (4) 1M x 9     (1) 256K x 36    (1) 256K x 36

       8MB          (4) 1M x 9      (1) 1M x 36         NONE

       8MB          (4) 1M x 9          NONE         (1) 1M x 36

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

       9MB         (4) 256K x 9     (1) 1M x 36      (1) 1M x 36

       9MB          (4) 1M x 9      (1) 1M x 36     (1) 256K x 36

       9MB          (4) 1M x 9     (1) 256K x 36     (1) 1M x 36

      16MB          (4) 4M x 9          NONE            NONE

      16MB             NONE         (1) 4M x 36         NONE

                    DRAM CONFIGURATION (CONT)

      Size            Bank 0          Bank 0/1         Bank 1

      16MB             NONE             NONE         (1) 4M x 36

      16MB          (4) 1M x 9      (1) 1M x 36      (1) 1M x 36

      18MB         (4) 256K x 9     (1) 4M x 36     (1) 256K x 36

      18MB         (4) 256K x 9    (1) 256K x 36     (1) 4M x 36

      18MB          (4) 4M x 9     (1) 256K x 36    (1) 256K x 36

      21MB         (4) 256K x 9     (1) 4M x 36      (1) 1M x 36

      21MB         (4) 256K x 9     (1) 1M x 36      (1) 4M x 36

      21MB          (4) 1M x 9      (1) 4M x 36     (1) 256K x 36

      21MB          (4) 1M x 9     (1) 256K x 36     (1) 4M x 36

      21MB          (4) 4M x 9      (1) 1M x 36     (1) 256K x 36

      21MB          (4) 4M x 9     (1) 256K x 36     (1) 1M x 36

      24MB          (4) 1M x 9      (1) 4M x 36      (1) 1M x 36

      24MB          (4) 1M x 9      (1) 1M x 36      (1) 4M x 36

      24MB          (4) 4M x 9      (1) 1M x 36      (1) 1M x 36

      32MB          (4) 4M x 9      (1) 4M x 36         NONE

      32MB          (4) 4M x 9          NONE         (1) 4M x 36

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

      33MB         (4) 256K x 9     (1) 4M x 36      (1) 4M x 36

      33MB          (4) 4M x 9      (1) 4M x 36     (1) 256K x 36

      33MB          (4) 4M x 9     (1) 256K x 36     (1) 4M x 36

      36MB          (4) 1M x 9      (1) 4M x 36      (1) 4M x 36

      36MB          (4) 4M x 9      (1) 4M x 36      (1) 1M x 36

      36MB          (4) 4M x 9      (1) 1M x 36      (1) 4M x 36

      48MB          (4) 4M x 9      (1) 4M x 36      (1) 4M x 36

      64MB         (4) 16M x 9          NONE            NONE

      64MB             NONE         (1) 16M x 36        NONE

      64MB             NONE             NONE        (1) 16M x 36

      66MB         (4) 256K x 9     (1) 16M x 36    (1) 256K x 36

      66MB         (4) 256K x 9    (1) 256K x 36    (1) 16M x 36

      66MB         (4) 16M x 9     (1) 256K x 36    (1) 256K x 36

      69MB         (4) 256K x 9     (1) 1M x 36     (1) 16M x 36

      69MB         (4) 256K x 9     (1) 16M x 36     (1) 1M x 36

      69MB          (4) 1M x 9      (1) 16M x 36    (1) 256K x 36

      69MB          (4) 1M x 9     (1) 256K x 36    (1) 16M x 36

      69MB         (4) 16M x 9      (1) 1M x 36     (1) 256K x 36

      69MB         (4) 16M x 9     (1) 256K x 36     (1) 1M x 36

      72MB          (4) 1M x 9      (1) 16M x 36     (1) 1M x 36

      72MB          (4) 1M x 9      (1) 1M x 36     (1) 16M x 36

      72MB         (4) 16M x 9      (1) 1M x 36      (1) 1M x 36

      81MB         (4) 256K x 9     (1) 16M x 36     (1) 4M x 36

      81MB         (4) 256K x 9     (1) 4M x 36     (1) 16M x 36

      81MB          (4) 4M x 9      (1) 16M x 36    (1) 256K x 36

      81MB          (4) 4M x 9     (1) 256K x 36    (1) 16M x 36

      81MB         (4) 16M x 9      (1) 4M x 36     (1) 256K x 36

                    DRAM CONFIGURATION (CONT)

      Size            Bank 0          Bank 0/1         Bank 1

      81MB         (4) 16M x 9     (1) 256K x 36     (1) 4M x 36

      84MB          (4) 1M x 9      (1) 16M x 36     (1) 4M x 36

      84MB          (4) 1M x 9      (1) 4M x 36     (1) 16M x 36

      84MB          (4) 4M x 9      (1) 1M x 36     (1) 16M x 36

      84MB         (4) 16M x 9      (1) 4M x 36      (1) 1M x 36

      84MB         (4) 16M x 9      (1) 1M x 36      (1) 4M x 36

      96MB          (4) 4M x 9      (1) 16M x 36     (1) 4M x 36

      96MB          (4) 4M x 9      (1) 4M x 36     (1) 16M x 36

      96MB         (4) 16M x 9      (1) 4M x 36      (1) 4M x 36

      128MB        (4) 16M x 9      (1) 16M x 36        NONE

      128MB        (4) 16M x 9          NONE        (1) 16M x 36

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

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

      32KB        (4) 8K x 8         NONE         (1) 8K x 8

      64KB        (4) 16K x 8        NONE         (1) 8K x 8

      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) 64K x 8        NONE        (1) 16K x 8

     256KB        (4) 32K x 8     (4) 32K x 8    (1) 16K x 8

     512KB       (4) 128K x 8        NONE        (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

         Size                     JP23                     JP30

         32KB              pins 6 & 7 closed               Open

         64KB               pins 4 & 5, 6 & 7        pins 1 & 2 closed
                                 closed

         64KB              pins 5 & 6 closed         pins 1 & 2 closed

         128KB           pins 2 & 3, 4 & 5, 6 &      pins 1 & 2, 3 & 4
                                7 closed                  closed

         256KB           pins 2 & 3, 4 & 5, 6 &      pins 1 & 2, 3 & 4
                                7 closed                  closed

         256KB           pins 1 & 2, 3 & 4, 5 &      pins 1 & 2, 3 & 4
                                6 closed                  closed

         512KB           pins 2 & 3, 4 & 5, 6 &    pins 1 & 2, 3 & 4, 5 &
                                7 closed                 6 closed

                    CPU TYPE CONFIGURATION

        Type                 JP5                  JP27

      TI486SXL         pins 2 & 3 Closed   pins 1 & 2 closed

      TI486SXL2        pins 2 & 3 Closed   pins 1 & 2 closed

        Cyrix          pins 1 & 2 closed   pins 2 & 3 Closed

     Other CPUs             Open          pins 2 & 3 Closed

                          CPU TYPE CONFIGURATION

      Type            JP13           JP14          JP15          JP17

     CX486M6          Open        pins 1 & 2     pins 1 & 2      Open
                                    closed        closed

     80486SX          Open        pins 1 & 2     pins 1 & 2      Open
                                    closed        closed

    TI486SXL          Open        pins 1 & 2     pins 1 & 2      Open
                                    closed        closed

    TI486SXL2         Open        pins 1 & 2     pins 1 & 2      Open
                                    closed        closed

     80487SX        pins 1 & 2    pins 1 & 2     pins 2 & 3     Closed
                     closed         closed        closed

     CX486M7        pins 2 & 3    pins 1 & 2     pins 2 & 3     Closed
                     closed         closed        closed

     80486DX        pins 2 & 3    pins 1 & 2     pins 2 & 3     Closed
                     closed         closed        closed

    80486DX2        pins 2 & 3    pins 1 & 2     pins 2 & 3     Closed
                     closed         closed        closed

    80486DX4        pins 2 & 3    pins 1 & 2     pins 2 & 3     Closed
                     closed         closed        closed

     Pentium        pins 1 & 2    pins 2 & 3     pins 2 & 3     Closed
    Overdrive        closed         closed        closed

                      CPU TYPE CONFIGURATION (CONT)

        Type                JP20              JP45             JP46

       CX486M6           pins 1 & 2           Open             Open
                           closed

       80486SX           pins 1 & 2           Open             Open
                           closed

      TI486SXL           pins 1 & 2          Closed           Closed
                           closed

      TI486SXL2          pins 1 & 2          Closed           Closed
                           closed

       80487SX           pins 1 & 2           Open             Open
                           closed

       CX486M7           pins 1 & 2           Open             Open
                           closed

       80486DX           pins 1 & 2           Open             Open
                           closed

      80486DX2           pins 1 & 2           Open             Open
                           closed

      80486DX4           pins 1 & 2           Open             Open
                           closed

  Pentium Overdrive      pins 2 & 3           Open             Open
                           closed

                        SMI CPU TYPE CONFIGURATION

        Type               JP1               JP2                JP3

   80486 S-series       pins 1 & 2        pins 1 & 2         pins 1 & 2
                          closed            closed            closed

      80486DX4          pins 1 & 2        pins 1 & 2         pins 1 & 2
                          closed            closed            closed

      AM486DXL          pins 1 & 2        pins 2 & 3         pins 2 & 3
                          closed            closed            closed

      CX486M6           pins 2 & 3        pins 4 & 5         pins 4 & 5
                          closed            closed            closed

      CX486M7           pins 2 & 3        pins 4 & 5         pins 4 & 5
                          closed            closed            closed

      TI486SXL          pins 1 & 2        pins 5 & 6      pins 1 & 2, 5 &
                          closed            closed           6 closed

     TI486SXL2          pins 1 & 2        pins 5 & 6      pins 1 & 2, 5 &
                          closed            closed           6 closed

   5v general CPU          Open              Open              Open

               CPU SPEED CONFIGURATION (INTEL & CYRIX ONLY)

       Speed              JP28              JP33               JP36

       25MHz           pins 1 & 2      pins 1 & 2, 5 &      pins 1 & 2
                         closed           6 closed            closed

       33MHz           pins 1 & 2      pins 1 & 2, 3 &      pins 1 & 2
                         closed           4 closed            closed

       40MHz           pins 1 & 2         pins 5 & 6        pins 1 & 2
                         closed            closed             closed

      50iMHz           pins 1 & 2      pins 1 & 2, 5 &      pins 1 & 2
                         closed           6 closed            closed

       50MHz           pins 2 & 3      pins 1 & 2, 5 &      pins 2 & 3
                         closed           6 closed            closed

      66iMHz           pins 1 & 2      pins 1 & 2, 3 &      pins 1 & 2
                         closed           4 closed            closed

      75iMHz           pins 1 & 2      pins 1 & 2, 5 &      pins 1 & 2
                         closed           6 closed            closed

      80iMHz           pins 1 & 2         pins 5 & 6        pins 1 & 2
                         closed            closed             closed

      100iMHz          pins 1 & 2      pins 1 & 2, 3 &      pins 1 & 2
                         closed           4 closed            closed

                     CPU SPEED CONFIGURATION (TI ONLY)

      Speed              JP28               JP33               JP36

      25MHz           pins 2 & 3       pins 1 & 2, 5 &      pins 1 & 2
                        closed            6 closed            closed

      33MHz           pins 2 & 3       pins 1 & 2, 3 &      pins 1 & 2
                        closed            4 closed            closed

      40MHz           pins 2 & 3         pins 5 & 6         pins 1 & 2
                        closed             closed             closed

      50iMHz          pins 2 & 3       pins 1 & 2, 5 &      pins 1 & 2
                        closed            6 closed            closed

      66iMHz          pins 2 & 3       pins 1 & 2, 3 &      pins 1 & 2
                        closed            4 closed            closed

        CPU VOLTAGE CONFIGURATION

       Voltage               JP43

        3.3v          pins 1 & 2 closed

         5v           pins 2 & 3 closed

      VESA WAIT STATE CONFIGURATION

     Wait states             JP7

    0 wait states     pins 1 & 2 closed

    1 wait state      pins 2 & 3 closed

         BUS SPEED CONFIGURATION

      CPU speed              JP6

      <= 33MHz        pins 1 & 2 closed

       > 33MHz        pins 2 & 3 closed


