
AUSTIN COMPUTER SYSTEMS

PREDATOR

Processor       80386DX/80486SX/80487SX/80486DX/80486DX2
Processor Speed 20/25/33/40/50(internal)/50/66(internal)MHz
Chip Set        Symphony
Max. Onboard    64MB
DRAM
Cache           64/128/256KB
BIOS            AMI
Dimensions      330mm x 218mm
I/O Options     Floppy drive interface, IDE interface, parallel port,
                serial ports (2)
NPU Options     80387

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 2             J2         Turbo switch        J24 pins 1 & 2

  Serial port 1             J3         Turbo LED           J24 pins 3 & 4

  Mouse port                J5         Speaker                  J25

  Parallel port            J14         Reset switch             J26

  Floppy interface         J21         IDE interface LED        J27

  IDE interface            J22         CPU speed LED            J28

  Power LED &              J23
  keylock

                        USER CONFIGURABLE SETTINGS

                 Function                     Jumper         Position

     IRQ12 select mouse port                  JP1           pins 1 & 2
                                                              closed

      IRQ12 disabled                           JP1           pins 2 & 3
                                                              closed

      IRQ5 select serial port 1                JP2           pins 1 & 2
                                                              closed

      IRQ5 select serial port 2                JP2           pins 2 & 3
                                                              closed

     IRQ5 disabled                            JP2           pins 3 & 4
                                                              closed

     Flash BIOS write enabled                 JP3           pins 1 & 2
                                                              closed

      Flash BIOS write disabled                JP3           pins 2 & 3
                                                              closed

     BIOS select standard address             JP4           pins 2 & 3
                                                              closed

      BIOS select Flash address                JP4           pins 1 & 2
                                                              closed

     IRQ4 select serial port 1                JP5           pins 1 & 2
                                                              closed

      IRQ4 select serial port 2                JP5           pins 2 & 3
                                                              closed

      IRQ4 disabled                            JP5           pins 3 & 4
                                                              closed

      IRQ3 select serial port 1                JP6           pins 1 & 2
                                                              closed

     IRQ3 select serial port 2                JP6           pins 2 & 3
                                                              closed

      IRQ3 disabled                            JP6           pins 3 & 4
                                                              closed

      IRQ9 select serial port 1                JP7           pins 1 & 2
                                                              closed

      IRQ9 select serial port 2                JP7           pins 2 & 3
                                                              closed

     IRQ9 disabled                            JP7           pins 3 & 4
                                                              closed

     Parallel port IRQ select IRQ7            JP8           pins 1 & 2
                                                              closed

      Parallel port IRQ select IRQ5            JP8           pins 2 & 3
                                                              closed

      Parallel port IRQ select no              JP8           pins 3 & 4
      interrupt                                               closed

     Monitor type select color                JP14          pins 1 & 2
                                                              closed

      Monitor type select monochrome           JP14          pins 2 & 3
                                                              closed

     Real time clock select normal            JP17          pins 1 & 2
      operation                                               closed

      Real time clock reset                    JP17          pins 2 & 3
                                                              closed

     NPU mode select synchronous with         JP22          pins 1 & 2
      CPU                                                     closed

      NPU mode select asynchronous with        JP22          pins 2 & 3
      CPU                                                     closed

     Factory configured - do not alter        JP28          pins 2 & 3
                                                              closed

     Expansion bus enabled                    JP33          pins 1 & 2
                                                              closed

      Expansion bus disabled                   JP33          pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     1MB        (4) 256K x 9      NONE           NONE           NONE

     2MB        (4) 256K x 9   (4) 256K x 9      NONE           NONE

     3MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9      NONE

     4MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

     4MB        (4) 1M x 9        NONE           NONE           NONE

     5MB        (4) 1M x 9     (4) 256K x 9      NONE           NONE

     6MB        (4) 1M x 9     (4) 256K x 9   (4) 256K x 9      NONE

     7MB        (4) 1M x 9     (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     9MB        (4) 1M x 9     (4) 1M x 9     (4) 256K x 9      NONE

                        DRAM CONFIGURATION (CONT)

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     10MB       (4) 1M x 9     (4) 1M x 9     (4) 256K x 9  (4) 256K x 9

     12MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9        NONE

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

     16MB       (4) 4M x 9        NONE           NONE           NONE

     17MB       (4) 4M x 9     (4) 256K x 9      NONE           NONE

     18MB       (4) 4M x 9     (4) 256K x 9   (4) 256K x 9      NONE

     19MB       (4) 4M x 9     (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

     20MB       (4) 4M x 9     (4) 1M x 9        NONE           NONE

     21MB       (4) 4M x 9     (4) 1M x 9     (4) 256K x 9      NONE

     22MB       (4) 4M x 9     (4) 1M x 9     (4) 256K x 9  (4) 256K x 9

     24MB       (4) 4M x 9     (4) 1M x 9     (4) 1M x 9        NONE

     28MB       (4) 4M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

     32MB       (4) 4M x 9     (4) 4M x 9        NONE           NONE

     33MB       (4) 4M x 9     (4) 4M x 9     (4) 256K x 9      NONE

     34MB       (4) 4M x 9     (4) 4M x 9     (4) 256K x 9  (4) 256K x 9

     36MB       (4) 4M x 9     (4) 4M x 9     (4) 1M x 9        NONE

     37MB       (4) 256K x 9   (4) 1M x 9     (4) 4M x 9     (4) 4M x 9

     40MB       (4) 4M x 9     (4) 4M x 9     (4) 1M x 9     (4) 1M x 9

     48MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9        NONE

     49MB       (4) 256K x 9   (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

     52MB       (4) 4M x 9     (4) 1M x 9     (4) 4M x 9     (4) 4M x 9

     64MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9     (4) 4M x 9

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 32K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

  Size     JP12    JP13    JP15    JP16    JP18    JP19    JP20     JP21

  64KB     1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   1 & 2

  128KB    2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3

  256KB    1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   3 & 4   3 & 4   3 & 4

  Note: Pins designated should be in the closed position.

                  CPU TYPE CONFIGURATION WITH 64KB CACHE

    CPU      CPU     JP9   JP10   JP11   JP23   JP25   JP26   JP29   JP31
   type     speed
                                         JP24          JP27   JP30   JP32

  80386DX   25MHz    1 &   1 &    1 &    1 &    N/A    N/A    2 &     1 &
                     2      2      2      2                    3      2

  80386DX   33MHz    7 &   1 &    1 &    1 &    N/A    N/A    2 &     1 &
                     8      2      2      2                    3      2

  80386DX   40MHz    3 &   1 &    1 &    1 &    N/A    N/A    2 &     1 &
                     4      2      2      2                    3      2

  80486SX   20MHz    5 &   1 &    1 &    1 &    3 &    3 &    1 &     2 &
                     6      2      2      2      4      4      2      3

  80486SX   25MHz    1 &   1 &    1 &    1 &    3 &    3 &    1 &     2 &
                     2      2      2      2      4      4      2      3

  80487SX   20MHz    5 &   1 &    1 &    1 &    2 &    2 &    1 &     2 &
                     6      2      2      2      3      3      2      3

  80487SX   25MHz    1 &   1 &    1 &    1 &    2 &    2 &    1 &     2 &
                     2      2      2      2      3      3      2      3

  80486DX   25MHz    1 &   1 &    1 &    1 &    1 &    1 &    1 &     2 &
                     2      2      2      2      2      2      2      3

  80486DX   33MHz    7 &   1 &    1 &    1 &    1 &    1 &    1 &     2 &
                     8      2      2      2      2      2      2      3

  80486DX   50MHz    1 &   2 &    2 &    2 &    1 &    1 &    1 &     2 &
                     2      3      3      3      2      2      2      3

  Note: Speeds indicate the external speed of the CPU. Pins designated
  should be in the closed position.

                  CPU TYPE CONFIGURATION WITH 128KB CACHE

    CPU      CPU     JP9   JP10   JP11   JP23   JP25   JP26   JP29   JP31
   type     speed
                                         JP24          JP27   JP30   JP32

  80386DX   25MHz    1 &   1 &    1 &    1 &    N/A    N/A    1 &     1 &
                     2      2      2      2                    2      2

  80386DX   33MHz    7 &   1 &    1 &    1 &    N/A    N/A    1 &     1 &
                     8      2      2      2                    2      2

  80386DX   40MHz    3 &   1 &    1 &    1 &    N/A    N/A    1 &     1 &
                     4      2      2      2                    2      2

  80486SX   20MHz    5 &   1 &    1 &    1 &    3 &    3 &    1 &     2 &
                     6      2      2      2      4      4      2      3

  80486SX   25MHz    1 &   1 &    1 &    1 &    3 &    3 &    1 &     2 &
                     2      2      2      2      4      4      2      3

  80487SX   20MHz    5 &   1 &    1 &    1 &    2 &    2 &    1 &     2 &
                     6      2      2      2      3      3      2      3

  80487SX   25MHz    1 &   1 &    1 &    1 &    2 &    2 &    1 &     2 &
                     2      2      2      2      3      3      2      3

  80486DX   25MHz    1 &   1 &    1 &    1 &    1 &    1 &    1 &     2 &
                     2      2      2      2      2      2      2      3

  80486DX   33MHz    7 &   1 &    1 &    1 &    1 &    1 &    1 &     2 &
                     8      2      2      2      2      2      2      3

  80486DX   50MHz    1 &   2 &    2 &    2 &    1 &    1 &    1 &     2 &
                     2      3      3      3      2      2      2      3

  Note: Speeds indicate the external speed of the CPU. Pins designated
  should be in the closed position.

                  CPU TYPE CONFIGURATION WITH 256KB CACHE

    CPU      CPU     JP9   JP10   JP11   JP23   JP25   JP26   JP29   JP31
   type     speed
                                         JP24          JP27   JP30   JP32

  80386DX   25MHz    1 &   1 &    1 &    1 &    N/A    N/A    2 &     1 &
                     2      2      2      2                    3      2

  80386DX   33MHz    7 &   1 &    1 &    1 &    N/A    N/A    2 &     1 &
                     8      2      2      2                    3      2

  80386DX   40MHz    3 &   1 &    1 &    1 &    N/A    N/A    2 &     1 &
                     4      2      2      2                    3      2

  80486SX   20MHz    5 &   1 &    1 &    1 &    3 &    3 &    1 &     2 &
                     6      2      2      2      4      4      2      3

  80486SX   25MHz    1 &   1 &    1 &    1 &    3 &    3 &    1 &     2 &
                     2      2      2      2      4      4      2      3

  80487SX   20MHz    5 &   1 &    1 &    1 &    2 &    2 &    1 &     2 &
                     6      2      2      2      3      3      2      3

  80487SX   25MHz    1 &   1 &    1 &    1 &    2 &    2 &    1 &     2 &
                     2      2      2      2      3      3      2      3

  80486DX   25MHz    1 &   1 &    1 &    1 &    1 &    1 &    1 &     2 &
                     2      2      2      2      2      2      2      3

  80486DX   33MHz    7 &   1 &    1 &    1 &    1 &    1 &    1 &     2 &
                     8      2      2      2      2      2      2      3

  80486DX   50MHz    1 &   1 &    2 &    2 &    1 &    1 &    1 &     2 &
                     2      2      3      3      2      2      2      3

  Note: Speeds indicate the external speed of the CPU. Pins designated
  should be in the closed position.

