DATA TECHNOLOGY CORPORATION DTC2278EB (400529-89A) 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 25-pin parallel port - CN2 40-pin secondary J6 external IDE(AT) connector 10-pin serial port 2 - J2 40-pin primary IDE(AT) J7 internal connector 16-pin game port J4 2-pin connector - J8 drive active LED 34-pin cable connector J5 - floppy drive USER CONFIGURABLE SETTINGS Function Label Position » Game port enabled W6 Closed Game port disabled W6 Open ECP DMA CHANNEL SELECTION Channel W1 W2 W3 W4 1 Closed Open Closed Open 3 Open Closed Open Closed PARALLEL PORT ADDRESS SELECTION Setting W19 W20 LPT1 (378h) Pins 2 & 3 closed Pins 1 & 2 closed LPT2 (278h) Pins 1 & 2 closed Pins 2 & 3 closed LPT3 (3BCh) Pins 2 & 3 closed Pins 2 & 3 closed Disabled Pins 1 & 2 closed Pins 1 & 2 closed SERIAL PORT 1 ADDRESS SELECTION Setting W23 W24 COM1 (3F8h) Pins 1 & 2 closed Pins 2 & 3 closed COM3 (3E8h) Pins 2 & 3 closed Pins 1 & 2 closed Disabled Pins 1 & 2 closed Pins 1 & 2 closed SERIAL PORT 2 ADDRESS SELECTION Setting W21 W22 COM2 (2F8h) Pins 1 & 2 closed Pins 2 & 3 closed COM4 (2E8h) Pins 2 & 3 closed Pins 1 & 2 closed Disabled Pins 1 & 2 closed Pins 1 & 2 closed BIOS ADDRESS SELECTION Address W18 W27 W28 DC000h Closed Pins 1 & 2 Pins 1 & 2 closed closed D8000h Closed Pins 1 & 2 Pins 2 & 3 closed closed CC000h Closed Pins 2 & 3 Pins 1 & 2 closed closed C8000h Closed Pins 2 & 3 Pins 2 & 3 closed closed Disabled Open Open Open 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 IRQ7 Open Closed IRQ5 Closed Open PARALLEL PORT MODE SELECTION Setting W15 W16 Uni-directional Pins 2 & 3 closed Pins 2 & 3 closed ECP & EPP Pins 1 & 2 closed Pins 2 & 3 closed EPP & Bi-Directional Pins 2 & 3 closed Pins 1 & 2 closed Invalid Pins 1 & 2 closed Pins 1 & 2 closed MISCELLANEOUS TECHNICAL NOTES Floppy is automatically enabled when cable is attached