DATA TECHNOLOGY CORPORATION DTC2270 (90010-89B) Data bus: 32-bit, VL-bus Size: Three/quarter-length, full-height card Hard drive supported: Two IDE (AT) Interface drives Floppy drives Two 360KB, 720KB, 1.2MB, or 1.44MB drives supported: [Image] CONNECTIONS Function Location 25-pin parallel port (LPT1/2/3) - external J1 10-pin serial port 1 (COM1/3/4) - external J2 10-pin serial port 2 (COM1/2/4) - internal J3 15-pin game port - internal J4 34-pin control cable connector-floppy drive J5 40-pin AT Interface (IDE) connector J6 4-pin connector-Drive active LED J7 USER CONFIGURABLE SETTINGS Function Location Setting » Parallel Port (J1) uses IRQ7 W1 pins 1 & 2 closed Parallel Port (J1) uses IRQ5 W1 pins 2 & 3 closed » Floppy drive enabled W3/jumper 7 open Floppy drive disabled W3/jumper 7 closed SERIAL PORTS INTERRUPT REQUEST CONFIGURATION - W2 [Image] IRQ Location Setting » Serial Port 1 (J2) uses IRQ4 W2 pins 1 & 3 closed Serial Port 2 (J3) uses IRQ3 pins 2 & 4 closed Serial Port 1 (J2) uses IRQ3 W2 pins 1 & 2 closed Serial Port 2 (J3) uses IRQ4 pins 3 & 4 closed SERIAL PORT 2 (J3) CONFIGURATION COM W3/jumper 1 W3/jumper 2 COM1 (3F8h) open closed » COM2 (2F8h) open open COM4 (238h) closed open Disabled closed closed PARALLEL PORT (J1) CONFIGURATION LPT W3/jumper 3 W3/jumper 4 » LPT1 (378h) open closed LPT2 (278h) open open LPT3 (3BCh) closed open Disabled closed closed SERIAL PORT 1 (J2) CONFIGURATION COM W3/jumper 5 W3/jumper 6 » COM1 (3F8h) open open COM2 (2F8h) closed open COM3 (338h) open closed Disabled closed closed DRIVE TRANSFER RATE CONFIGURATION - 33MHZ/66I MHZ MOTHERBOARDS Rate W4/1 W4/2 W4/3 W4/4 W4/5 8.3Mb/sec open open open open open 7.3Mb/sec open open open closed closed 6.6Mb/sec open open closed open open 6.1Mb/sec open open closed open closed 5.5Mb/sec open open closed closed open 5.1Mb/sec open open closed closed closed 4.8Mb/sec open closed open open open 4.4Mb/sec open closed open open closed 4.1Mb/sec open closed open closed open » 3.9Mb/sec open closed open closed closed 3.7Mb/sec open closed closed open open 3.5Mb/sec open closed closed open closed 3.3Mb/sec open closed closed closed open DRIVE TRANSFER RATE CONFIGURATION - 20, 25, 40 AND 50MHZ MOTHERBOARDS Rate W4/1 W4/2 W4/3 W4/4 W4/5 7.1Mb/sec closed open open open open 6.3Mb/sec closed open open closed closed 5.6Mb/sec closed open closed open open 5.0Mb/sec closed open closed open closed 4.5Mb/sec closed open closed closed open 4.2Mb/sec closed open closed closed closed 3.8Mb/sec closed closed open open open 3.6Mb/sec closed closed open open closed 3.3Mb/sec closed closed open closed open