INTERLOGIC INDUSTRIES SC386DX Processor 80386DX Processor Speed 33MHz Chip Set OPTI Max. Onboard DRAM 32MB SRAM Cache 32/64/128/256KB BIOS Award Dimensions 350mm x 125mm I/O Options Floppy drive interface, IDE interface parallel port, serial port (2), PS/2 keyboard port NPU Options 80387DX [Image] CONNECTIONS Purpose Location Purpose Location Auxiliary keyboard CN1 Parallel port CN8 Keylock CN2 External battery CN9 Speaker CN3 Serial port 1 CN10 Reset switch CN4 Serial port 2 CN11 IDE interface LED CN5 PS/2 keyboard CN12 Floppy drive interface CN6 Power LED LED IDE interface CN7 Turbo switch JP3 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not alter JP1 closed » IDE interface (CN7) enabled JP9 pins 1 & 2 closed IDE interface (CN7) disabled JP9 pins2 & 3 closed » Parallel port (CN8) select LPT2 JP12 pins 1 & 2 (I/O address 378-37Fh) closed Parallel port (CN8) select LPT3 JP12 pins 2 & 3 (I/O address 278-27Fh) closed » Monitor type select color JP13 closed Monitor type select monochrome JP13 open » Floppy drive interface (CN6) JP14 pins 1 & 2 enabled closed Floppy drive interface (CN6) JP14 pins 2 & 3 disabled closed » Parallel port (CN8) interrupt JP15 pins 1 & 2 select IRQ7 (LPT2) closed Parallel port (CN8) interrupt JP15 pins 2 & 3 select IRQ5 (LPT3) closed » Watchdog Timer interval select JP16 closed 500ms Watchdog Timer interval select 1 JP16 open second » Watchdog Timer mode select system JP17 pins 1 & 2 reset after time-out closed Watchdog Timer mode select low JP17 pins 2 & 3 IOCHK# NMI after time-out closed Watchdog Timer mode select JP17 open disabled » CMOS memory normal operation JP18 pins 1 & 2 closed CMOS memory clear JP18 pins 2 & 3 closed » Parallel port (CN8) enabled JP21 pins 1 & 2 closed Parallel port (CN8) disabled JP21 pins 2 & 3 closed SERIAL PORT CONFIGURATION Function Jumper Position » Serial port 1 (CN10) enabled JP23 pins 1 & 2 closed Serial port 1 (CN10) disabled JP23 pins 2 & 3 closed » Serial port 1 (CN10) select COM1 JP22 pins 1 & 2 (I/O address 3F8-3FFh) closed Serial port 1 (CN10) select COM3 JP22 pins 2 & 3 (I/O address 3E8-3EFh) closed » Serial port 1 (CN10) interrupt JP11 pins 1 & 2 select IRQ4 closed Serial port 1 (CN10) interrupt JP11 pins 2 & 3 select IRQ3 closed » Serial port 2 (CN11) enabled JP20 pins 1 & 2 closed Serial port 2 (CN11) disabled JP20 pins 2 & 3 closed » Serial port 2 (CN11) select COM2 JP19 pins 1 & 2 (I/O address 2F8-2FFh) closed Serial port 2 (CN11) select COM4 JP19 pins 2 & 3 (I/O address 2E8-2EFh) closed » Serial port 2 (CN11) interrupt JP10 pins 1 & 2 select IRQ3 closed Serial port 2 (CN11) interrupt JP10 pins 2 & 3 select IRQ4 closed DRAM CONFIGURATION Size Bank 0 Bank 1 1MB (4) 256K x 9 NONE 2MB (4) 256K x 9 (4) 256K x 9 4MB (4) 1M x 9 NONE 5MB (4) 256K x 9 (4) 1M x 9 8MB (4) 1M x 9 (4) 1M x 9 16MB (4) 4M x 9 NONE 20MB (4) 4M x 9 (4) 1M x 9 20MB (4) 1M x 9 (4) 4M x 9 32MB (4) 4M x 9 (4) 4M x 9 SRAM CONFIGURATION Size Cacheable Cache SRAM Location TAG Memory 32KB 8MB maximum (4) 8K x 8 Bank 0 (1) 8K x 8 64KB 16MB maximum (8) 8K x 8 Banks 0 & 1 (2) 8K x 8 128KB 32MB maximum (4) 32K x Bank 0 (1) 32K x 8 8 256KB 64MB maximum (8) 32K x Banks 0 & 1 (2) 32K x 8 8 SRAM JUMPER CONFIGURATION Size JP2 JP4 JP5 JP6 JP7 JP8 32KB open pins 1 open pins 1 open pins 2 & & 2 & 2 3 64KB open pins 1 pins 1 pins 2 pins 2 pins 1 & & 2 & 2 & 3 & 3 2 128KB pins 1 pins 2 pins 1 pins 2 pins 2 pins 1 & & 2 & 3 & 2 & 3 & 3 2 256KB pins 1 pins 2 pins 2 pins 2 pins 1 pins 1 & & 2 & 3 & 3 & 3 & 2 2 Note:Pins designated should be in the closed position.