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.