DATA TECHNOLOGY CORPORATION DTC2280 (400485-89D) Data-bus 16-bit ISA Size Half-length, half-height card Hard drives supported Two IDE(AT) interface drives Floppy drives supported Two 360KB, 720KB, 1.2MB, 1.44MB drives [Image] CONNECTIONS Function Label Function Label 40-pin IDE(AT) JP1 34-pin control cable JP5 interface connector connector - floppy drive 16-pin game port - JP2 2-pin connector - JP8 internal drive active LED 9-pin serial port 1 - JP3 25-pin parallel port - JP15 external external 10-pin serial port 2 - JP4 internal USER CONFIGURABLE SETTINGS Function Location Setting » AT bus IDE I/O Read path enabled J1 Pins 2 & 3 closed W83758P IDE I/O Read path enabled J1 Pins 1 & 2 closed » AT bus IDE I/O Write path enabled J2 Pins 2 & 3 closed W83758P IDE I/O Write path J2 Pins 1 & 2 enabled closed » Floppy drive order is normal (A:, JP6/A Pins 1 & 2 B) closed Floppy drive order is reversed JP6/A Pins 2 & 3 (B:, A) closed » Floppy drive interface address JP6/B Pins 2 & 3 3F0 - 3F7h closed Floppy drive interface address JP6/B Pins 1 & 2 370 - 377h closed » IDE(AT) interface enabled JP6/C Pins 1 & 2 closed IDE(AT) interface disabled JP6/C Pins 2 & 3 closed » IDE(AT) interface address 3F6, JP6/D Pins 2 & 3 3F7, 1F0 - 1F7h closed IDE(AT) interface address 376, JP6/D Pins 1 & 2 377, 170 - 177h closed » Floppy drive interface enabled JP6/E Pins 1 & 2 closed Floppy drive interface disabled JP6/E Pins 2 & 3 closed » Parallel port is bi-directional JP11 Open Parallel port is unidirectional JP11 Closed » Game port enabled JP16 Closed Game port disabled JP16 Open SERIAL PORT 1 CONFIGURATION Port 1 JP9/A JP9/B » COM1 Pins 1 & 2 closed Pins 2 & 3 closed COM3 Pins 2 & 3 closed Pins 1 & 2 closed COM4 Pins 1 & 2 closed Pins 1 & 2 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed SERIAL PORT 2 CONFIGURATION Port 1 JP9/C JP9/D » COM2 Pins 1 & 2 closed Pins 2 & 3 closed COM3 Pins 1 & 2 closed Pins 1 & 2 closed COM4 Pins 2 & 3 closed Pins 1 & 2 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed PARALLEL PORT CONFIGURATION LPT JP9/E JP9/F » 1 (378h) Pins 2 & 3 closed Pins 1 & 2 closed 2 (278h) Pins 1 & 2 closed Pins 2 & 3 closed 3 (3BCh) Pins 1 & 2 closed Pins 1 & 2 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed SERIAL PORT 1 INTERRUPT SELECTION IRQ JP12/A JP12/B JP12/C » IRQ4 Closed Open Open IRQ3 Open Closed Open IRQ5 Open Open Closed SERIAL PORT 2 INTERRUPT SELECTION IRQ JP12/D JP12/E JP12/F » IRQ3 Closed Open Open IRQ4 Open Closed Open IRQ5 Open Open Closed PARALLEL PORT INTERRUPT SELECTION IRQ JP12/G JP12/H » IRQ7 Closed Open IRQ5 Open Closed