...because we can't all be on the bleeding edge...





DTC2278VL (900085-89B/D)

DATA TECHNOLOGY CORPORATION

DTC2278VL (900085-89B/D)

Data bus:

32-bit, VL-bus

Size:

Three/quarter-length, half-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

4-pin connector - drive active LED

J1

40-pin IDE (AT) interface connector - port 1

J2

34-pin control cabled connector - floppy drive

J3

Game port

J4

9-pin serial port 2 - external

J5

10-pin serial port 1 - internal

J6

25-pin parallel port

J7

USER CONFIGURABLE SETTINGS

Function

Location

Setting

IDE IRQ14 enabled

W6

pins 1 & 2 closed

 

IDE IRQ15 enabled

W6

pins 2 & 3 closed

Parallel port is output only

W17

pins 1 & 2 closed

 

Parallel port is input/output

W17

pins 2 & 3 closed

Game port enabled

W26

closed

 

Game port disabled

W26

open

IDE DATA TRANSFER RATES (FOR 33MHZ VL-BUS PC)

Rate

W1

W2

W3

W4

W5

3.9MB/s

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

 

3.3MB/s

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 1 & 2

 

3.5MB/s

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 1 & 2

 

3.7MB/s

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 1 & 2

 

4.2MB/s

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 1 & 2

 

4.4MB/s

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 1 & 2

 

4.8MB/s

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 1 & 2

 

5.1MB/s

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

 

5.6MB/s

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 1 & 2

 

6.1MB/s

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 1 & 2

 

6.7MB/s

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

 

7.4MB/s

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

 

8.3MB/s

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

Note:The pins indicated should be closed.

IDE DATA TRANSFER RATES (FOR NON-33MHZ VL-BUS PC)

Rate

W1

W2

W3

W4

W5

3.3MB/s

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 2 & 3

3.6MB/s

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 2 & 3

3.8MB/s

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

pins 2 & 3

4.2MB/s

pins 2 & 3

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 2 & 3

4.5MB/s

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 2 & 3

5.0MB/s

pins 2 & 3

pins 1 & 2

pins 2 & 3

pins 1 & 2

pins 2 & 3

5.6MB/s

pins 2 & 3

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

6.3MB/s

pins 1 & 2

pins 2 & 3

pins 2 & 3

pins 1 & 2

pins 2 & 3

7.2MB/s

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 1 & 2

pins 2 & 3

Note:The pins indicated should be closed.

FLOPPY DRIVE CONFIGURATION

Address

W7

W10

3F0h

pins 2 & 3 closed

pins 1 & 2 closed

 

370h

pins 1& 2 closed

pins 1 & 2 closed

 

Disabled

N/A

pins 2 & 3 closed

IDE CONFIGURATION

Address

W8

W9

1F0h

pins 2 & 3 closed

pins 1 & 2 closed

 

170h

pins 1& 2 closed

pins 1 & 2 closed

 

Disabled

N/A

pins 2 & 3 closed

SERIAL PORT 1 CONFIGURATION

COM/Address

W11

W12

COM1/3F8h

pins 1 & 2 closed

pins 2 & 3 closed

 

COM3/3E8h

pins 2 & 3 closed

pins 1 & 2 closed

 

COM4/2E8h

pins 1& 2 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 1 INTERRUPT SELECT

IRQ

W18

W19

W20

IRQ4

closed

open

open

 

IRQ3

open

closed

open

 

IRQ5

open

open

closed

 

Disabled

open

open

open

SERIAL PORT 2 CONFIGURATION

COM/Address

W13

W14

COM2/2F8h

pins 1 & 2 closed

pins 2 & 3 closed

 

COM3/3E8h

pins 1 & 2 closed

pins 1 & 2 closed

 

COM4/2E8h

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 2 INTERRUPT SELECT

IRQ

W21

W22

W23

IRQ3

closed

open

open

 

IRQ4

open

closed

open

 

IRQ5

open

open

closed

 

Disabled

open

open

open

PARALLEL PORT CONFIGURATION

LPT/Address

W15

W16

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

PARALLEL PORT INTERRUPT SELECT

IRQ

W24

W25

IRQ7

closed

open

 

IRQ5

open

closed

 

Disabled

open

open