
AST RESEARCH, INC.

PREMMIA GX

Processor       Pentium Overdrive/Pentium
Processor Speed 75(internal)/90(internal)/100(internal)MHz
Chip Set        AST
Max. Onboard    192MB
DRAM
Cache           512KB
BIOS            AMI
Dimensions      330mm x 218mm
I/O Options     Floppy drive interface, IDE interface, parallel port, PS/2
                mouse port, serial ports (2), SCSI port, SCSI interface, 10
                base-T port, 10 base-5 port
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  10 base-5 port             CN1       SCSI terminator             J6

  10 base-T port             CN2       SCSI primary interface      J7

  Parallel port              CN3       Front panel connector       J17

  Serial port 2              CN4       Floppy drive interface      J22

  Serial port 1              CN5       Speaker                     J23

  PS/2 mouse port            CN6       IDE interface LED           J25

  Keyboard port              CN7       External battery            J26

  SCSI port                  CN8       Chassis fan power           J33

  Chassis fan power           J4       Riser Card                  SL1

  IDE interface               J5

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch        Position

     CMOS memory normal operation           E3                Open
      (ISA)

      CMOS memory clear(ISA)                 E3               Closed

     Factory configured - do not            J10               Open
      alter

     Factory configured - do not            J28               Open
      alter

     Factory configured - do not            J29               Open
      alter

     Flash BIOS write protect              SW1/1               Off
      enabled

      Flash BIOS write protect              SW1/1               On
      disabled

     Password enabled                      SW1/2               Off

      Password disabled                     SW1/2               On

     Monitor type select color             SW1/3               Off

      Monitor type select                   SW1/3               On
      monochrome

     CMOS memory normal operation          SW1/4               Off
      (EISA)

      CMOS memory clear (EISA)              SW1/4               On

     System setup enabled                  SW1/5               Off

      System setup disabled                 SW1/5               On

     Factory configured - do not           SW1/6               Off
      alter

     Factory configured - do not           SW1/7               Off
      alter

                        DRAM CONFIGURATION

      Size            Bank 0           Bank 1          Bank 2

       4MB        (2) 512K x 36         NONE            NONE

       8MB         (2) 1M x 36          NONE            NONE

      12MB         (2) 1M x 36     (2) 512K x 36        NONE

      16MB         (2) 1M x 36      (2) 1M x 36         NONE

      20MB         (2) 1M x 36      (2) 1M x 36     (2) 512K x 36

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

      28MB         (2) 2M x 36      (2) 1M x 36     (2) 512K x 36

      32MB         (2) 2M x 36      (2) 1M x 36      (2) 1M x 36

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

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

      44MB         (2) 4M x 36      (2) 1M x 36     (2) 512K x 36

                    DRAM CONFIGURATION (CONT)

      Size            Bank 0           Bank 1          Bank 2

      48MB         (2) 4M x 36      (2) 1M x 36      (2) 1M x 36

      52MB         (2) 4M x 36      (2) 2M x 36     (2) 512K x 36

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

      68MB         (2) 4M x 36      (2) 4M x 36     (2) 512K x 36

      72MB         (2) 4M x 36      (2) 4M x 36      (2) 1M x 36

      76MB         (2) 8M x 36      (2) 1M x 36     (2) 512K x 36

      80MB         (2) 8M x 36      (2) 2M x 36         NONE

      84MB         (2) 8M x 36      (2) 2M x 36     (2) 512K x 36

      88MB         (2) 2M x 36      (2) 8M x 36      (2) 1M x 36

      96MB         (2) 8M x 36      (2) 4M x 36         NONE

      100MB        (2) 8M x 36      (2) 4M x 36     (2) 512K x 36

      104MB        (2) 8M x 36      (2) 4M x 36      (2) 1M x 36

      112MB        (2) 8M x 36      (2) 4M x 36      (2) 2M x 36

      128MB        (2) 8M x 36      (2) 8M x 36         NONE

      132MB        (2) 8M x 36      (2) 8M x 36     (2) 512K x 36

      136MB        (2) 8M x 36      (2) 8M x 36      (2) 1M x 36

      144MB        (2) 8M x 36      (2) 8M x 36      (2) 2M x 36

      160MB        (2) 8M x 36      (2) 8M x 36      (2) 4M x 36

      192MB        (2) 8M x 36      (2) 8M x 36      (2) 8M x 36

                     CACHE CONFIGURATION

             Size                          Bank 0

             512KB                      (4) 128K x 8

  Note: Cache is factory installed and is not configurable.

                          CPU TYPE CONFIGURATION

        Type                E4                E5               SW1/8

  Single processor        Closed             Open               Off

   Dual processor          Open             Closed              On

            CPU SPEED CONFIGURATION

  Internal   External       E1          E2

   75iMHz      50MHz      Closed       Open

   90iMHz      60MHz       Open       Closed

  100iMHz      50MHz       Open        Open

  100iMHz      66MHz      Closed      Closed

