
AST RESEARCH, INC.

MANHATTAN G PENTIUM (202671-102, 103)

Processor              Pentium
Processor Speed        75/90/100MHz
Chip Set               Unidentified
Max. Onboard DRAM      128MB
Cache                  256KB
BIOS                   Unidentified
Dimensions             330mm x 218mm
I/O Options            Floppy drive interface, IDE interface, parallel
                       port, PS/2 mouse port, serial ports (2), 8514 video
                       pass through connector, VGA port, riser slot
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               J29
                                       connector

  VGA port                  CN6        Chassis fan power         J32

  8514 video pass           J19        IDE interface LED         J40
  through connector

  IDE interface             J22        Riser slot                SL1

  Floppy drive              J24
  interface

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Factory configured - do not              E4              Open
      alter

     Factory configured - do not              E5              Open
      alter (model extension # -301)

     Factory configured - do not              E5             Closed
      alter (model extension # -302)

     Factory configured - do not              E6              Open
      alter

     Factory configured - do not              E8              Open
      alter

     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 enabled                        E12             Closed

      Password disabled                       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 36          NONE

      10MB         (2) 1M x 36     (2) 256K x 36

      16MB         (2) 2M x 36          NONE

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

      18MB         (2) 2M x 36     (2) 256K x 36

      18MB        (2) 256K x 36     (2) 2M 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

      34MB         (2) 4M x 36     (2) 256K 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

      66MB         (2) 8M x 36     (2) 256K x 36

      68MB         (2) 8M x 36     (2) 512K 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

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

                     CPU SPEED CONFIGURATION (IMI415)

     Speed           E1             E2             E3             E7

     75MHz        pins 2 & 3       Open          Closed         Closed
                   closed

     90MHz        pins 2 & 3       Open          Closed          Open
                   closed

    100MHz        pins 2 & 3      Closed         Closed          Open
                   closed

                     CPU SPEED CONFIGURATION (IMI470)

     Speed           E1             E2             E3             E7

     75MHz        pins 2 & 3       Open          Closed          Open
                   closed

     90MHz        pins 2 & 3       Open          Closed         Closed
                   closed

    100MHz        pins 2 & 3      Closed         Closed         Closed
                   closed

                  VIDEO MEMORY CONFIGURATION

  Note: 512KB is factory installed and is not configurable.

