
AST RESEARCH, INC.

BRAVO MS P75 (202759-111, 202762-15X)

Processor          CX M1/Pentium
Processor Speed    60/75/80/90/100/120/133/150/166MHz
Chip Set           Unidentified
Maximum Onboard    128MB
Memory
Cache              256KB
BIOS               AST
Dimensions         330mm x 218mm
I/O Options        Floppy drive interface, IDE interfaces (2), parallel
                   port, PS/2 mouse port, serial ports (2), 8514 video
                   pass through connector, VGA port, riser slot,
                   speaker/line out connector, microphone connector, line
                   in connector, CD-ROM audio connector
NPU Options        None

[Image]

                                CONNECTIONS

         Function             Label           Function            Label

  Speaker/line out             CN1      IDE interface 1            J22
  connector

  Microphone connector         CN2      IDE interface 2            J23

  Line in connector            CN3      Floppy drive               J24
                                        interface

  PS/2 mouse port              CN4      Speaker                    J27

  Serial port                  CN5      Chassis fan power          J28

  Serial port                  CN6      Front panel LEDs          J29

  Parallel port                CN7      Chassis fan power          J32

  VGA port                     CN8      IDE interface LED          J40

  CD audio connector           J4       Riser slot                 SL1

  8514 video pass through      J19
  connector

                        USER CONFIGURABLE SETTINGS

                 Setting                     Label           Position

     Speaker type select on board             E1             Closed

      Speaker type select external             E1              Open

     Flash BIOS normal operation              E4             Closed

      Flash BIOS force update at boot          E4              Open

     Password enabled                         E5             Closed

      Password disabled                        E5              Open

     Setup access enabled                     E7             Closed

      Setup access disabled                    E7              Open

     Factory configured - do not alter       E12              Open

     Factory configured - do not alter       E13             Closed

     Factory configured - do not alter       E14              Open

     Factory configured - do not alter       E17              Open

     Factory configured - do not alter       E19              Open

     Factory configured - do not alter        J6           Pins 2 & 4
                                                              closed

     Factory configured - do not alter        J7           Pins 2 & 4
                                                              closed

                       DRAM

      Size            Bank 0           Bank 1

       8MB         (2) 1M x 32          None

      10MB         (2) 1M x 32     (2) 256K x 32

      16MB         (2) 2M x 32          None

      16MB         (2) 1M x 32      (2) 1M x 32

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

      32MB         (2) 4M x 32          None

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

      34MB         (2) 4M x 32     (2) 256K x 32

      40MB         (2) 4M x 32      (2) 1M x 32

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

      64MB         (2) 8M x 32          None

      64MB         (2) 4M x 32      (2) 4M x 32

                   DRAM (CONT)

      Size            Bank 0           Bank 1

      66MB         (2) 8M x 32     (2) 256K x 32

      72MB         (2) 8M x 32      (2) 1M x 32

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

      96MB         (2) 8M x 32      (2) 4M x 32

      128MB        (2) 8M x 32      (2) 8M x 32

                             CACHE SIZE

  Note: 256KB cache is factory installed and is not configurable.

                                   CPU SPEED

  Internal   External  E3     E6       E8      E10      E11      E18      E20

   60MHz      40MHz     2   Closed   Closed    Open    Closed   Open     Open
                        &
                       3

   75MHz      50MHz     2   Closed   Closed    Open    Open     Open     Closed
                        &
                       3

   80MHz      40MHz     1    Open    Closed    Open    Closed   Closed   Open
                        &
                       2

   90MHz      60MHz     2   Closed   Closed   Closed   Open     Closed   Closed
                        &
                       3

   100MHz     66MHz     1    Open    Closed    Open    Open     Closed   Closed
  (Intel)               &
                       2

   100MHz     50MHz     2   Closed   Closed   Closed   Closed   Closed   Closed
  (Cyrix)               &
                       3

  120MHz      60MHz     1    Open    Closed   Closed   Open     Closed   Closed
                        &
                       2

  133MHz      66MHz     1    Open    Closed   Closed   Closed   Closed   Closed
                        &
                       2

  150MHz      60MHz     1   Closed    Open    Closed   Open     Closed   Closed
                        &
                       2

  166MHz      66MHz     1   Closed    Open    Closed   Closed   Closed   Closed
                        &
                       2

  Note: Pins designated should be in the closed position.

                  CPU VOLTAGE

        Setting                   E2

      3.3v - 3.4v               Closed

      3.4v - 3.6v                Open

  Note: E2 may not be present on all boards.

                         VIDEO MEMORY

        Size                Bank 0               Bank 1

         1MB             (4) 256K x 8             None

         2MB             (4) 256K x 8         (4) 256K x 8

  Note: Bank 0 is factory installed and is not configurable.

                             SPEAKER/LINE OUT

           Setting                    E15                    E16

       Output to speaker      Pins 1 & 2 closed      Pins 1 & 2 closed

         Output to line        Pins 2 & 3 closed      Pins 2 & 3 closed

