DATA TECHNOLOGY CORPORATION DTC2278VL (900085-89A) Data bus: 32-bit VL-Bus Size: Three/quarter-length, half-height card Hard drive supported: Two IDE(AT) interface drives Floppy drives Two 360KB, 720KB, 1.2MB, 1.44MB drives supported: [Image] CONNECTIONS Function Location 25-pin parallel port J1 10-pin serial port 2 J2 10-pin serial port 1 J3 16-pin game port J4 34-pin cable connector - floppy drive J5 40-pin connector - IDE(AT) interface J6 4-pin connector - drive active LED J7 USER CONFIGURABLE SETTINGS Function Location Setting » Game port enabled W1 closed Game port disabled W1 open » Parallel port is uni-directional W2 closed Parallel port is bi-directional W2 open » IDE(AT) interface interrupt IRQ14 W9 pins 1 & 2 select closed IDE(AT) interface interrupt IRQ15 W9 pins 2 & 3 select closed » Floppy drive interface enabled W10 pins 2 & 3 closed Floppy drive interface disabled W10 pins 1 & 2 closed » Floppy drive interface address W11 pins 1 & 2 3F0-3F7h select closed Floppy drive interface address W11 pins 2 & 3 370-377h select closed » IDE(AT) interface address 1F0-1F7, W12 pins 1 & 2 3F6-3F7h select closed IDE(AT) interface address 170-177, W12 pins 2 & 3 376-377h select closed » IDE(AT) interface enabled W13 pins 2 & 3 closed IDE(AT) interface disabled W13 pins 1 & 2 closed PRIMARY SERIAL PORT ADDRESS SELECTION COM W7 W8 » COM1 (3F8h) pins 1 & 2 closed pins 2 & 3 closed COM3 (3E8h) pins 2 & 3 closed pins 1 & 2 closed COM4 (2E8h) pins 2 & 3 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed SECONDARY SERIAL PORT ADDRESS SELECTION COM W5 W6 » COM2 (2F8h) pins 1 & 2 closed pins 2 & 3 closed COM3 (3E8h) pins 2 & 3 closed pins 2 & 3 closed COM4 (2E8h) pins 2 & 3 closed pins 1 & 2 closed Disabled pins 1 & 2 closed pins 1 & 2 closed PARALLEL PORT ADDRESS SELECTION LPT W3 W4 » LPT1 (378h) pins 1 & 2 closed pins 2 & 3 closed LPT2 (278h) pind 2 & 3 closed pins 1 & 2 closed LPT3 (3BCh) pins 2 & 3 closed pins 2 & 3 closed Disabled pins 1 & 2 closed pins 1 & 2 closed IDE DATA TRANSFER RATE (FOR >33MHZ VL-BUS SYSTEMS) Rate (MBps) W14 W15 W16 W17 W18 3.3 pins 1 & pins 2 & pins 1 & pins 2 & pins 2 & 2 3 2 3 3 3.6 pins 2 & pins 1 & pins 1 & pins 2 & pins 2 & 3 2 2 3 3 3.8 pins 1 & pins 1 & pins 1 & pins 2 & pins 2 & 2 2 2 3 3 4.2 pins 2 & pins 2 & pins 2 & pins 1 & pins 2 & 3 3 3 2 3 4.5 pins 1 & pins 2 & pins 2 & pins 1 & pins 2 & 2 3 3 2 3 5.0 pins 2 & pins 1 & pins 2 & pins 1 & pins 2 & 3 2 3 2 3 5.6 pins 1 & pins 1 & pins 2 & pins 1 & pins 2 & 2 2 3 2 3 6.3 pins 2 & pins 2 & pins 1 & pins 1 & pins 2 & 3 3 2 2 3 7.2 pins 1 & pins 1 & pins 1 & pins 1 & pins 2 & 2 2 2 2 3 Note: Pins designated are in the closed position. If the transfer rate of the drive you are using in your sytem does not exactly match one of the rates listed above, select the rate which is closest to but below the actual rate of the drive. IDE DATA TRANSFER RATE (FOR <=33MHZ VL-BUS SYSTEMS) Rate (MBps) W14 W15 W16 W17 W18 » 3.9 pins 2 & pins 2 & pins 1 & pins 2 & pins 1 & 3 3 2 3 2 3.3 pins 1 & pins 2 & pins 2 & pins 2 & pins 1 & 2 3 3 3 2 3.5 pins 2 & pins 1 & pins 2 & pins 2 & pins 1 & 3 2 3 3 2 3.7 pins 1 & pins 1 & pins 2 & pins 2 & pins 1 & 2 2 3 3 2 4.2 pins 1 & pins 2 & pins 1 & pins 2 & pins 1 & 2 3 2 3 2 4.4 pins 2 & pins 1 & pins 1 & pins 2 & pins 1 & 3 2 2 3 2 4.8 pins 1 & pins 1 & pins 1 & pins 2 & pins 1 & 2 2 2 3 2 5.1 pins 2 & pins 2 & pins 2 & pins 1 & pins 1 & 3 3 3 2 2 5.6 pins 1 & pins 2 & pins 2 & pins 1 & pins 1 & 2 3 3 2 2 6.1 pins 2 & pins 1 & pins 2 & pins 1 & pins 1 & 3 2 3 2 2 6.7 pins 1 &2 pins 1 & pins 2 & pins 1 & pins 1 & 2 3 2 2 7.4 pins 2 & pins 2 & pins 1 & pins 1 & pins 1 & 3 3 2 2 2 8.3 pins 1 & pins 1 & pins 1 & pins 1 & pins 1 & 2 2 2 2 2 Note: Pins designated are in the closed position. If the transfer rate of the drive you are using in your sytem does not exactly match one of the rates listed above, select the rate which is closest to but below the actual rate of the drive. PRIMARY SERIAL PORT INTERRUPT SELECTION IRQ W19 W20 W21 » IRQ4 closed open open IRQ3 open closed open IRQ5 open open closed SECONDARY SERIAL PORT INTERRUPT SELECTION IRQ W22 W23 W24 » IRQ3 closed open open IRQ4 open closed open IRQ5 open open closed PARALLEL PORT INERRUPT SELECTION IRQ W25 W26 » IRQ7 closed open IRQ5 open closed