DATA TECHNOLOGY CORPORATION DTC2280E (400521-89A) Data bus: 16-bit ISA Size: Half-length, half-height card Hard drive supported: Two IDE(AT) or EIDE interface drives Floppy drives supported: Two 360KB, 720KB, 1.2MB, 1.44MB [Image] CONNECTIONS Function Location 25-pin parallel port - external J1 9-pin serial port 1 - external J2 10-pin serial port 2 - internal J3 16-pin game port - internal J4 34-pin cable connector - floppy drive J5 2-pin connector - drive active LED J6 40-pin IDE(AT) interface connector J7 USER CONFIGURABLE SETTINGS Function Location Setting » Game port enabled W1 closed Game port disabled W1 open » Hard drive interrupt IRQ14 W15 pins 1 & 2 closed select Hard drive interrupt IRQ15 W15 pins 2 & 3 closed select » IDE(AT) interface address is W17 pins 1 & 2 closed 1F0h IDE(AT) interface address is W17 pins 2 & 3 closed 170h » IDE(AT) interface enabled W18 pins 2 & 3 closed IDE(AT) interface disabled W18 pins 1 & 2 closed SERIAL PORT 1 CONFIGURATION Port 1 W21 W22 » COM1 pins 1 & 2 closed pins 2 & 3 closed COM3 pins 2 & 3 closed pins 1 & 2 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SERIAL PORT 2 CONFIGURATION Port 2 W23 W24 » COM2 pins 1 & 2 closed pins 2 & 3 closed COM4 pins 2 & 3 closed pins 1 & 2 closed Disabled pins 1 & 2 closed pins 1 & 2 closed PARALLEL PORT ADDRESS CONFIGURATION LPT W19 W20 » 1 (378h) pins 2 & 3 closed pins 1 & 2 closed 2 (278h) pins 1 & 2 closed pins 2 & 3 closed 3 ( BCh) pins 2 & 3 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SERIAL PORT 1 INTERRUPT SELECTION IRQ W12 W13 W14 » IRQ4 open open closed IRQ3 open closed open IRQ5 closed open open SERIAL PORT 2 INTERRUPT SELECTION IRQ W9 W10 W11 » IRQ3 open open closed IRQ4 open closed open IRQ5 closed open open PARALLEL PORT INTERRUPT SELECTION IRQ W7 W8 » 7 open closed 5 closed open PARALLEL PORT MODE CONFIGURATION MODE W16 W25 » Printer pins 2 & 3 closed pins 2 & 3 closed ECP/EPP pins 2 & 3 closed pins 1 & 2 closed EPP pins 1 & 2 closed pins 2 & 3 closed Note: You must select a DMA channel when using ECP mode. DMA SELECTION CHANNEL W3 W4 W5 W6 1 closed open closed open 3 open closed open closed MISCELLANEOUS TECHNICAL NOTES The floppy controller in automatically configured: When a cable is attached, it is enabled, when no cable is attached it is disabled.