DATA TECHNOLOGY CORPORATION DTC2278E (400518-89W) Card Type Hard drive controller card Hard Drives supported Four EIDE drives Floppy drives supported Two 360KB, 720KB, 1.2MB, or 1.44MB drives Data Bus 32-bit VESA Local Bus Card Size Full-length, half-height card [Image] CONNECTIONS Function Location Function Location 9-pin serial port 1 - CN1 40-pin secondary J3 external IDE(AT) connector 25-pin parallel port - CN2 34-pin cable connector J4 external - floppy drive 2-pin connector - J1 16-pin game port J5 drive active LED 40-pin primary IDE(AT) J2 10-pin serial port 2 - J7 connector internal USER CONFIGURABLE SETTINGS Function Label Position » Floppy drive order is normal (A:, B:) W26 Pins 1 & 2 closed Floppy drive order is reversed (B:, W26 Pins 2 & 3 A:) closed » Floppy drive address 3F0-3F7 W27 Pins 2 & 3 closed Floppy drive address 370-377 W27 Pins 1 & 2 closed » Floppy drive interface enabled W28 Pins 1 & 2 closed Floppy drive interface disabled W28 Pins 2 & 3 closed » Game port enabled W46 Closed Game port disabled W46 Open PARALLEL PORT ADDRESS SELECTION Setting W24 W25 » LPT1 (378h) Pins 2 & 3 closed Pins 1 & 2 closed LPT2 (278h) Pins 1 & 2 closed Pins 2 & 3 closed LPT3 (3BCh) Pins 1 & 2 closed Pins 1 & 2 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed SERIAL PORT 1 ADDRESS SELECTION Setting W20 W21 » COM1 (3F8h) Pins 1 & 2 closed Pins 2 & 3 closed COM3 (3E8h) Pins 2 & 3 closed Pins 1 & 2 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed SERIAL PORT 2 ADDRESS SELECTION Setting W22 W23 » COM2 (2F8h) Pins 1 & 2 closed Pins 2 & 3 closed COM4 (2E8h) Pins 2 & 3 closed Pins 1 & 2 closed Disabled Pins 2 & 3 closed Pins 2 & 3 closed SERIAL PORT 1 INTERRUPT SELECTION IRQ W35 W36 W37 » IRQ4 Closed Open Open IRQ3 Open Closed Open IRQ5 Open Open Closed SERIAL PORT 2 INTERRUPT SELECTION IRQ W38 W39 W40 » IRQ3 Closed Open Open IRQ4 Open Closed Open IRQ5 Open Open Closed PARALLEL PORT INTERRUPT SELECTION IRQ W41 W42 » IRQ7 Closed Open IRQ5 Open Closed PARALLEL PORT MODE SELECTION Setting W29 W30 Printer mode Pins 1 & 2 closed Pins 1 & 2 closed EPP/SPP Pins 2 & 3 closed Pins 1 & 2 closed EPP/ECP Pins 1 & 2 closed Pins 2 & 3 closed EXT2FDD Pins 2 & 3 closed Pins 2 & 3 closed ECP DMA CHANNEL SELECTION Channel Label Position 1 W31 Pins 1 & 2 closed 3 W31 Pins 2 & 3 closed PRINTER OUTPUT DIRECTION Setting W43 W44 W45 Output Closed Open Open Bi-directional Open Open Open DACK1 (DRQ1) Open Closed Open DACK3 (DRQ3) Open Open Closed