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DTC2270 (90010-89B)

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 supported:

Two 360KB, 720KB, 1.2MB, or 1.44MB drives

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

 

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