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 (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 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.