
AST RESEARCH, INC.

PREMMIA MX P/60, PREMMIA MX P/75

Processor                 Pentium
Processor Speed           60/75/90/100MHz
Chip Set                  Unidentified
Video Chip Set            None
Maximum Onboard Memory    128MB
Maximum Video Memory      None
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)
NPU Options               None

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  PS/2 mouse port             CN2      External battery            J26

  Serial port                 CN3      Speaker                     J27

  Serial port                 CN4      Chassis fan power           J28

  Parallel port               CN5      Front panel connector       J29

  IDE interface 2             J22      Chassis fan power           J32

  IDE interface 1             J23      IDE interface LED           J40

  Floppy drive interface      J24      Riser slot                  SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Factory configured - do not alter        E4              Open

     Factory configured - do not alter        E5              Open

     Factory configured - do not alter        E6              Open

     Factory configured - do not alter        E8              Open

     Monitor type select color                E9             Closed

      Monitor type select monochrome           E9              Open

     Setup access enabled                    E10             Closed

      Setup access disabled                   E10              Open

     On board video enabled                  E11             Closed

      On board video disabled                 E11              Open

     Password normal operation               E12             Closed

      Password clear                          E12              Open

     Flash BIOS normal operation             E13             Closed

      Flash BIOS force update at boot         E13              Open

                DRAM CONFIGURATION

      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

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

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

         DRAM CONFIGURATION (CON'T)

     Size          Bank 0        Bank 1

     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 CONFIGURATION

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

                       CPU SPEED SELECTION (IMI415)

  CPU speed      Clock       E1         E2           E3            E7
                 speed

    75MHz        50MHz      2 & 3      Open        Closed        Closed

    90MHz        60MHz      2 & 3      Open        Closed         Open

   100MHz        66MHz      2 & 3     Closed       Closed         Open

  Note: E1 is used for factory installed P75, P90 & P100 CPUs. Future
  upgrades may require a change in this jumper position. If a 60MHz CPU
  is installed, this jumper isn't used.

                       CPU SPEED SELECTION (IMI470)

  CPU speed      Clock       E1         E2           E3            E7
                 speed

    75MHz        50MHz      2 & 3      Open        Closed         Open

    90MHz        60MHz      2 & 3      Open        Closed        Closed

   100MHz        66MHz      2 & 3     Closed       Closed        Closed

  Note: E1 is used for factory installed P75, P90 & P100 CPUs. Future
  upgrades may require a change in this jumper position. If a 60MHz CPU
  is installed, this jumper isn't used.

