
AST RESEARCH, INC.

ADVANTAGE + (CHINA) 50179

Processor            CX M1/Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Unidentified
Video Chip Set       SIS
Maximum Onboard      128MB
Memory
Maximum Video Memory 2MB
Cache                256KB
BIOS                 AST
Dimensions           254mm x 218mm
I/O Options          Floppy drive interface, IDE interfaces (2), parallel
                     port, PS/2 mouse port, serial ports (2), video feature
                     connector, VGA port, riser slot, cache slot
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  Parallel port               CN1      Serial port 2               J10

  Serial port 1               CN2      Chassis fan power           J17

  PS/2 mouse port             CN3      Video feature               JP2
                                       connector

  VGA port                    CN4      Floppy drive interface      JP5

  IDE interface LED           J1       IDE interface 2             JP6

  Speaker                     J2       IDE interface 1             JP7

  Reset switch                J3       Riser slot                  SL1

  Power LED & keylock         J4       Cache slot                  SL2

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     VGA IRQ disabled                      JP1              Open

      VGA IRQ enabled                       JP1             Closed

     Factory configured - do not          JP11          Unidentified
      alter

     Password normal operation            JP14             Closed

      Password clear                       JP14              Open

             DRAM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      None

     16MB        (2) 2M x 36      None

     16MB        (2) 1M x 36   (2) 1M x 36

     24MB        (2) 2M x 36   (2) 1M x 36

     32MB        (2) 4M x 36      None

     32MB        (2) 2M x 36   (2) 2M x 36

     40MB        (2) 4M x 36   (2) 1M x 36

     48MB        (2) 4M x 36   (2) 2M x 36

     64MB        (2) 8M x 36      None

     64MB        (2) 4M x 36   (2) 4M x 36

     72MB        (2) 8M x 36   (2) 1M x 36

     80MB        (2) 8M x 36   (2) 2M x 36

     96MB        (2) 8M x 36   (2) 4M x 36

     128MB       (2) 8M x 36   (2) 8M x 36

                CACHE CONFIGURATION

           Size                      SL2

          256KB            256KB module installed

                        CACHE JUMPER CONFIGURATION

                   Type                                  JP8

                Asynchronous                     Pins 1 & 2 closed

          Synchronous, pipeline burst             Pins 2 & 3 closed

                        VIDEO MEMORY CONFIGURATION

          Size                    Bank 0                   Bank 1

           1MB                     1MB                      None

           2MB                     1MB                      1MB

  Note: The location of banks 0 & 1 are unidentified. The size of the
  chips are unidentified.

                        CPU SPEED SELECTION (CYRIX)

    CPU     Clock     Multiplier   BF0    BF1     JP3       JP4      JP5
  speed     speed

  100MHz    50MHz        2x        2 &    Open   Closed     Open    Open
                                    3

  120MHz    60MHz        2x        2 &    Open   Closed    Closed   Open
                                    3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU     Clock    Multiplier   BF0    BF1      JP3       JP4      JP5
  speed    speed

  75MHz    50MHz       1.5x      1 &    Open     Open     Open     Open
                                  2

  100MHz   66MHz       1.5x      1 &    Open    Closed    Open     Closed
                                  2

  133MHz   66MHz        2x       2 &    Open    Closed    Open     Closed
                                  3

  150MHz   60MHz       2.5x      2 &   Closed   Closed    Closed   Open
                                  3

  166MHz   66MHz       2.5x      2 &   Closed   Closed    Open     Closed
                                  3

  200MHz   66MHz        3x       1 &   Closed   Closed    Open     Closed
                                  2

  Note: Pins designated should be in the closed position.

            CPU TYPE SELECTION

        Type                 JP9

  VR (3.3v - 3.4v)          Closed

  VRE (3.4v - 3.6v)          Open

