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 DRAM  | 
 64MB  | 
| 
 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  | 
| 
 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 & keylock  | 
 J23  | ||
| 
 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 interrupt  | 
 JP8  | 
 pins 3 & 4 closed  | |
| » | 
 Monitor type select color  | 
 JP14  | 
 pins 1 & 2 closed  | 
| 
 Monitor type select monochrome  | 
 JP14  | 
 pins 2 & 3 closed  | |
| » | 
 Real time clock select normal operation  | 
 JP17  | 
 pins 1 & 2 closed  | 
| 
 Real time clock reset  | 
 JP17  | 
 pins 2 & 3 closed  | |
| » | 
 NPU mode select synchronous with CPU  | 
 JP22  | 
 pins 1 & 2 closed  | 
| 
 NPU mode select asynchronous with CPU  | 
 JP22  | 
 pins 2 & 3 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 (CON’T)  | ||||
| 
 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 type  | 
 
 CPU speed  | 
 
 JP9  | 
 
 JP10  | 
 
 JP11  | 
 JP23 JP24  | 
 
 JP25  | 
 JP26 JP27  | 
 JP29 JP30  | 
 JP31 JP32  | 
| 
 80386DX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
 N/A  | 
 2 & 3  | 
 1 & 2  | 
| 
 80386DX  | 
 33MHz  | 
 7 & 8  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
 N/A  | 
 2 & 3  | 
 1 & 2  | 
| 
 80386DX  | 
 40MHz  | 
 3 & 4  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
 N/A  | 
 2 & 3  | 
 1 & 2  | 
| 
 80486SX  | 
 20MHz  | 
 5 & 6  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 3 & 4  | 
 3 & 4  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486SX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 3 & 4  | 
 3 & 4  | 
 1 & 2  | 
 2 & 3  | 
| 
 80487SX  | 
 20MHz  | 
 5 & 6  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 80487SX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 33MHz  | 
 7 & 8  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 50MHz  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 1 & 2  | 
 1 & 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 type  | 
 
 CPU speed  | 
 
 JP9  | 
 
 JP10  | 
 
 JP11  | 
 JP23 JP24  | 
 
 JP25  | 
 JP26 JP27  | 
 JP29 JP30  | 
 JP31 JP32  | 
| 
 80386DX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
 N/A  | 
 1 & 2  | 
 1 & 2  | 
| 
 80386DX  | 
 33MHz  | 
 7 & 8  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
 N/A  | 
 1 & 2  | 
 1 & 2  | 
| 
 80386DX  | 
 40MHz  | 
 3 & 4  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
 N/A  | 
 1 & 2  | 
 1 & 2  | 
| 
 80486SX  | 
 20MHz  | 
 5 & 6  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 3 & 4  | 
 3 & 4  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486SX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 3 & 4  | 
 3 & 4  | 
 1 & 2  | 
 2 & 3  | 
| 
 80487SX  | 
 20MHz  | 
 5 & 6  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 80487SX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 33MHz  | 
 7 & 8  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 50MHz  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 1 & 2  | 
 1 & 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 type  | 
 
 CPU speed  | 
 
 JP9  | 
 
 JP10  | 
 
 JP11  | 
 JP23 JP24  | 
 
 JP25  | 
 JP26 JP27  | 
 JP29 JP30  | 
 JP31 JP32  | 
| 
 80386DX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
 N/A  | 
 2 & 3  | 
 1 & 2  | 
| 
 80386DX  | 
 33MHz  | 
 7 & 8  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
 N/A  | 
 2 & 3  | 
 1 & 2  | 
| 
 80386DX  | 
 40MHz  | 
 3 & 4  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 N/A  | 
 N/A  | 
 2 & 3  | 
 1 & 2  | 
| 
 80486SX  | 
 20MHz  | 
 5 & 6  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 3 & 4  | 
 3 & 4  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486SX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 3 & 4  | 
 3 & 4  | 
 1 & 2  | 
 2 & 3  | 
| 
 80487SX  | 
 20MHz  | 
 5 & 6  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 80487SX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 25MHz  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 33MHz  | 
 7 & 8  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
| 
 80486DX  | 
 50MHz  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
 2 & 3  | 
 1 & 2  | 
 1 & 2  | 
 1 & 2  | 
 2 & 3  | 
| 
 Note: Speeds indicate the external speed of the CPU. Pins designated should be in the closed position.  | |||||||||