
VISIONEX

PCI/VESA MOTHERBOARD (VER. 1.0)

Processor            CX486M6/80486SX/80486DX/80486DX2/80486DX4/P24C
Processor Speed      25/33/40/66(internal)/75(internal)/100(internal)MHz
Chip Set             Cypress
Video Chip Set       None
Maximum Onboard      128MB
Memory
Maximum Video Memory None
Cache                128/256/512/1024KB
BIOS                 AMI/Award
Dimensions           254mm x 218mm
I/O Options          32-bit VESA local bus slots (2), 32-bit PCI slots (4)
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                 Location

  External battery            JP1       Reset switch              JP59

  Turbo LED                  JP49       Speaker                   JP60

  Turbo switch               JP50       32-bit PCI slots       PC1 - PC4

  Power LED & keylock        JP57       32-bit VESA local      SL1 & SL2
                                        bus slots

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     CMOS memory normal operation          JP2        Pins 1 & 2 closed

      CMOS memory clear                     JP2        Pins 2 & 3 closed

     Flash BIOS disabled                   JP3              Open

      Flash BIOS voltage select 12v         JP3        Pins 2 & 3 closed

      Flash BIOS voltage select 5v          JP3        Pins 1 & 2 closed

      Jumper information unavailable        JP9          Unidentified

     Factory configured - do not          JP10              Open
      alter

     Factory configured - do not          JP32        Pins 2 & 3 closed
      alter

      Jumper information unavailable       JP34          Unidentified

     Factory configured - do not          JP35        Pins 2 & 3 closed
      alter

     LDEV# delayed 1 CPU CLK              JP36        Pins 2 & 3 closed

      LDEV# not delayed 1 CPU CLK          JP36        Pins 1 & 2 closed

      Jumper information unavailable       JP42          Unidentified

      Jumper information unavailable       JP51          Unidentified

     Monitor type select color            JP55              Open

      Monitor type select monochrome       JP55             Closed

      Jumper information unavailable       JP58          Unidentified

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (1) 256K x        None           None           None
                    32

     2MB        (1) 512K x        None           None           None
                    32

     2MB        (1) 256K x     (1) 256K x        None           None
                    32             32

     3MB        (1) 256K x     (1) 256K x     (1) 256K x        None
                    32             32             32

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

     4MB        (1) 512K x     (1) 512K x        None           None
                    32             32

     4MB        (1) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 32
                    32             32             32

     5MB        (1) 256K x    (1) 1M x 32        None           None
                    32

     8MB       (1) 2M x 32        None           None           None

     8MB       (1) 1M x 32    (1) 1M x 32        None           None

     9MB        (1) 256K x    (1) 1M x 32    (1) 1M x 32        None
                    32

     10MB       (1) 512K x    (1) 2M x 32        None           None
                    32

     12MB      (1) 1M x 32    (1) 1M x 32    (1) 1M x 32        None

     16MB      (1) 4M x 32        None           None           None

     16MB      (1) 2M x 32    (1) 2M x 32        None           None

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

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     17MB         (1) 256K x    (1) 4M x 32       None           None
                     32

     20MB        (1) 1M x 32    (1) 4M x 32       None           None

     32MB        (1) 8M x 32       None           None           None

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

     33MB         (1) 256K x    (1) 4M x 32    (1) 4M x 32       None
                     32

     34MB         (1) 512K x    (1) 8M x 32       None           None
                     32

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

     40MB        (1) 2M x 32    (1) 8M x 32       None           None

     48MB        (1) 4M x 32    (1) 4M x 32    (1) 4M x 32       None

     49MB         (1) 256K x    (1) 4M x 32    (1) 4M x 32   (1) 4M x 32
                     32

     52MB        (1) 1M x 32    (1) 4M x 32    (1) 4M x 32   (1) 4M x 32

     64MB        (1) 8M x 32    (1) 8M x 32       None           None

     64MB        (1) 4M x 32    (1) 4M x 32    (1) 4M x 32   (1) 4M x 32

     65MB         (1) 256K x     (1) 16M x        None           None
                     32             32

     68MB        (1) 1M x 32     (1) 16M x        None           None
                                    32

     80MB        (1) 4M x 32     (1) 16M x        None           None
                                    32

     128MB       (1) 16M x 32    (1) 16M x        None           None
                                    32

                         DRAM JUMPER CONFIGURATION

               Setting                                JP4

           Set as 4 banks                      Pins 1 & 2 closed

    Set as 2 banks (banks 0 & 1 &              Pins 2 & 3 closed
            banks 2 & 3)

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

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

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

   256KB (B)      (4) 64K x 8        None        (1) 32K x 8

   512KB (A)     (4) 128K x 8        None        (1) 32K x 8

   512KB (B)      (4) 64K x 8     (4) 64K x 8    (1) 32K x 8

      1MB        (4) 128K x 8    (4) 128K x 8    (1) 128K x 8

                        CACHE JUMPER CONFIGURATION

      Size              JP18               JP19               JP20

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

    256KB (A)           Open            Pins 1 & 2      Pins 1 & 2 closed
                                          closed

    256KB (B)           Open            Pins 2 & 3      Pins 1 & 2 closed
                                          closed

    512KB (A)           Open            Pins 2 & 3      Pins 2 & 3 closed
                                          closed

    512KB (B)         Pins 1 & 2           Open         Pins 2 & 3 closed
                       closed

       1MB            Pins 2 & 3           Open         Pins 2 & 3 closed
                       closed

                            CPU SPEED SELECTION

     Speed          JP15          JP25           JP28           JP29

     25MHz         Closed         Open        Pins 1 & 2      Pins 2 & 3
                                                closed         closed

     33MHz          Open          Open        Pins 2 & 3      Pins 1 & 2
                                                closed         closed

     40MHz          Open         Closed       Pins 1 & 2      Pins 2 & 3
                                                closed         closed

    66iMHz          Open          Open        Pins 2 & 3      Pins 1 & 2
                                                closed         closed

    75iMHz         Closed         Open        Pins 1 & 2      Pins 2 & 3
                                                closed         closed

    100iMHz         Open          Open        Pins 2 & 3      Pins 1 & 2
                                                closed         closed

                            CPU TYPE SELECTION

     Type          JP26        JP40        JP41        JP43        JP44

    CX486M6        Open       1 & 3, 2    Closed       2 & 3      2 & 3
                                & 4

    80486SX        Open       1 & 3, 2     Open        Open       1 & 2
                                & 4

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

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

   80486DX4       Closed      3 & 4, 5     Open        Open       1 & 2
                                & 6

     P24C          Open       1 & 3, 2     Open        1 & 2      2 & 3
                                & 4

  Note: Pins designated should be in the closed position.

                        CPU TYPE SELECTION (CONT)

     Type          JP45       JP46        JP47       JP48        JP54

    CX486M6       3 & 4       4 & 5       Open      2 & 3       Closed

    80486SX        Open       Open        Open      2 & 3        Open

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

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

   80486DX4        Open       Open       2 & 3     1 & 2, 3      Open
                                                     & 4

     P24C        1 & 2, 3     1 & 2      2 & 3     1 & 2, 3      Open
                   & 4                               & 4

  Note: Pins designated should be in the closed position.

            CPU TYPE SELECTION

        Type                 JP27

        Cyrix         Pins 2 & 3 closed

         AMD          Pins 1 & 2 closed

        Intel         Pins 1 & 2 closed

                          VL BUS SPEED SELECTION

        Speed               JP52             JP53              JP56

          25MHz             Open             Open           Pins 2 & 3
                                                              closed

         33MHz             Open             Open           Pins 2 & 3
                                                              closed

          40MHz            Closed           Closed          Pins 1 & 2
                                                              closed

                            PCI MODE SELECTION

      Setting          JP11          JP30          JP31          JP33

   Asynchronous       Closed      Pins 2 & 3    Pins 1 & 2     Pins 2 & 3
                                    closed        closed        closed

    Synchronous        Open       Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                                    closed        closed        closed

      PCI INTERRUPT SELECTION (IRQ9)

       Setting              JP21A

     Slots 1 & 2      Pins 1 & 2 closed

       Slot 3         Pins 2 & 3 closed

     PCI INTERRUPT SELECTION (IRQ10)

       Setting              JP21B

     Slots 1 & 2      Pins 1 & 2 closed

       Slot 3         Pins 2 & 3 closed

     PCI INTERRUPT SELECTION (IRQ11)

       Setting              JP21C

     Slots 1 & 2      Pins 1 & 2 closed

       Slot 3         Pins 2 & 3 closed

     PCI INTERRUPT SELECTION (IRQ12)

       Setting              JP21D

     Slots 1 & 2      Pins 1 & 2 closed

       Slot 3         Pins 2 & 3 closed

     PCI INTERRUPT SELECTION (IRQ15)

       Setting              JP21E

     Slots 1 & 2      Pins 1 & 2 closed

       Slot 3         Pins 2 & 3 closed

                      PCI INTERRUPT SELECTION (IRQ14)

                Setting                               JP21F

    Slot 4 (only for compliant card             Pins 1 & 2 closed
            that use IRQ14)

  Slot 4 (only for non compliant card           Pins 2 & 3 closed
            that use IRQ14)

