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DD&TT ENTERPRISE USA COMPANY

DT-3752

Data bus:

16-bit, ISA

Size:

Half-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

40-pin IDE(AT) Interface connector

J1

34-pin control cable connector - floppy drive

J2

10-pin serial port (COM2) - internal

J3

DB25 parallel port (LPT2/3) - external

J4

DB9 serial port (COM1) - external

J5

2-pin connector - Drive Active LED

JP1

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Parallel port is set to LPT3 (278h)

JP2

Pins 1 & 2 closed

 

Parallel port is set to LPT2 (378h)

JP2

Pins 2 & 3 closed

 

Parallel port disabled

JP2

open

»

Floppy drive port address is 3F0-3F7h

JP3

Pins 1 & 2 closed

 

Floppy drive port address is 370-377h

JP3

Pins 2 & 3 closed

 

Floppy drive disabled

JP3

open

»

Serial port 2 (2F8h) (J3) enabled

JP4

closed

 

Serial port 2 (2F8h) (J3) disabled

JP4

open

»

Serial port 1 (3F8h) (J5) enabled

JP4A

closed

 

Serial port 1 (3F8h) (J5) disabled

JP4A

open

»

Hard drive (CS0) port address is 1F0-1F7h

JP5

Pins 2 & 3 closed

 

Hard drive (CS0) port address is 170-177h

JP5

Pins 1 & 2 closed

 

Hard drive disabled

JP5 & JP6

open

»

Hard drive (CS1) port address is 3F0-3F7h

JP6

Pins 2 & 3 closed

 

Hard drive (CS1) port address is 370-377h

JP6

Pins 1 & 2 closed

»

Direct IRQ14 control

JP7

Pins 1 & 2 closed

 

Select SLAVE/ACTIVE control

JP7

Pins 2 & 3 closed

PARALLEL PORT INTERRUPT REQUEST

IRQ

Jumper JP8

Jumper JP8A

»

IRQ7

closed

open

 

IRQ5

open

closed