
AST RESEARCH, INC.

BRAVO LC (KING P) P/75 (202766-101)

Processor  CX487SX/80486SX/CX486DX/80486DX/CX486DX2/80486DX2/80486DX4/
           Pentium Overdrive/CX5X86
Processor  20/25/33/50(internal)/66(internal)/75(internal)/100(internal)MHz
Speed
Chip Set   Unidentified
Max.       128MB
Onboard
DRAM
Cache      128/256KB
BIOS       Unidentified
Dimensions 254mm x 218mm
I/O        Floppy drive interface, green PC connector, IDE interfaces (2),
Options    parallel port, PS/2 mouse port, serial ports (2), 8514 video
           pass through connector, VGA port, riser slot
NPU        None
Options

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                 Location

  PS/2 mouse port          CN2        Turbo LED (not             J10
                                      used)

  Serial port              CN3        Turbo switch (not      J12 pins 2 &
                                      used)                       3

  Serial port              CN4        Control console            J14
                                      power LED

  Parallel port            CN5        Reset switch (not          J15
                                      used)

  VGA port                 CN6        8514 video pass            J16
                                      through connector

  IDE interface 1           J3        Speaker                J18 pins 1 &
                                                                  2

  Floppy drive              J5        Control console           JP15
  interface                           hard drive LED

  IDE interface 2           J7        Riser slot                 SL1

  Green PC connector        J9
  (not used)

  Note: The locations of J9 & J10 are unidentified.

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not             J11              N/A
      alter

     Password enabled                        JP2             Closed

      Password disabled                       JP2              Open

     On board video enabled                  JP29            Closed

      On board video disabled                 JP29             Open

     Monitor type select color               JP30            Closed

      Monitor type select monochrome          JP30             Open

     Flash BIOS normal operation             JP31            Closed

      Flash BIOS force update at boot         JP31             Open

                            DRAM CONFIGURATION

     Size         Bank 0        Bank 1         Bank 2          Bank 3

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

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

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

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

     10MB       (1) 1M x 32   (1) 1M x 32     (1) 256K x    (1) 256K x 32
                                                 32

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

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

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

     17MB       (1) 2M x 32   (1) 2M x 32     (1) 256K x        NONE
                                                 32

     18MB       (1) 2M x 32   (1) 2M x 32     (1) 256K x    (1) 256K x 32
                                                 32

     20MB       (1) 2M x 32   (1) 2M x 32    (1) 1M x 32        NONE

     24MB       (1) 2M x 32   (1) 2M x 32    (1) 1M x 32     (1) 1M x 32

     24MB       (1) 2M x 32   (1) 2M x 32    (1) 2M x 32        NONE

     32MB       (1) 2M x 32   (1) 2M x 32    (1) 2M x 32     (1) 2M x 32

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

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

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

     34MB       (1) 4M x 32   (1) 4M x 32     (1) 256K x    (1) 256K x 32
                                                 32

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0        Bank 1        Bank 2          Bank 3

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

     40MB        (1) 4M x 32   (1) 4M x 32   (1) 1M x 32     (1) 1M x 32

     40MB        (1) 4M x 32   (1) 4M x 32   (1) 2M x 32        NONE

     48MB        (1) 4M x 32   (1) 4M x 32   (1) 2M x 32     (1) 2M x 32

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

     64MB        (1) 4M 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

     66MB        (1) 8M x 32   (1) 8M x 32    (1) 256K x    (1) 256K x 32
                                                 32

     68MB        (1) 8M x 32   (1) 8M x 32   (1) 1M x 32        NONE

     72MB        (1) 8M x 32   (1) 8M x 32   (1) 1M x 32     (1) 1M x 32

     72MB        (1) 8M x 32   (1) 8M x 32   (1) 2M x 32        NONE

     80MB        (1) 8M x 32   (1) 8M x 32   (1) 2M x 32     (1) 2M x 32

     80MB        (1) 8M x 32   (1) 8M x 32   (1) 4M x 32        NONE

     96MB        (1) 8M x 32   (1) 8M x 32   (1) 4M x 32     (1) 4M x 32

     96MB        (1) 8M x 32   (1) 8M x 32   (1) 8M x 32        NONE

     128MB       (1) 8M x 32   (1) 8M x 32   (1) 8M x 32     (1) 8M x 32

            CACHE CONFIGURATION

     Size          Bank 0          TAG

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

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

                  CACHE JUMPER CONFIGURATION

        Size                 JP16                 JP17

        128KB          pins 1 & 2 closed   pins 1 & 2 closed

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

                          CPU TYPE CONFIGURATION

    Type         JP3         JP4          JP5          JP6         JP7

  Cyrix 486    Closed        Open         Open         Open        Open

  Intel 486     Open        Closed       Closed       Closed       Open

    Cyrix       Open        Closed       Closed       Closed       Open
    5x86

                      CPU TYPE CONFIGURATION (CONT)

   Type       JP8        JP9        JP20      JP21       JP22      JP23

   Cyrix      Open      Closed     Closed     Open      Closed     Open
   486

   Intel     Closed      Open       Open      Open       Open      Open
   486

   Cyrix     Closed      Open       Open      Open       Open      Open
   5x86

          CPU TYPE CONFIGURATION

        Type                 JP11

         SX           pins 2 & 3 closed

         DX           pins 1 & 2 closed

                   CPU SPEED CONFIGURATION

        Speed                JP1                  JP19

        20MHz          pins 1 & 2 closed   pins 1 & 2 closed

        25MHz          pins 1 & 2 closed   pins 3 & 4 closed

        33MHz          pins 1 & 2 closed   pins 5 & 6 closed

       50iMHz          pins 1 & 2 closed   pins 3 & 4 closed

       66iMHz          pins 1 & 2 closed   pins 5 & 6 closed

       75iMHz          pins 1 & 2 closed   pins 3 & 4 closed

       100iMHz         pins 1 & 2 closed   pins 5 & 6 closed

              CPU VOLTAGE CONFIGURATION

  Voltage      V1         V2        V3         V4

   3.45v      Open       Open      Open       Open

    5v       Closed     Closed    Closed     Closed

          VIDEO MEMORY CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (2) 512K x 8       NONE

      2MB         (2) 512K x 8   (2) 512K x 8

                  MISCELLANEOUS TECHNICAL NOTE

  Note: The location of pin 1 on the jumpers is unidentified.

