DOLPHIN PERIPHERALS, LLC.

FASTISA-4042, 4061

Card Type

Serial card

Chip Set

Unidentified

I/O Options

Serial port

Data Bus

16-bit ISA

CONNECTIONS

Function

Label

Serial port

S1

SERIAL PORT 1 ADDRESS SELECTION

Setting

JP1

»

COM1

Pins 1 & 2 closed

 

COM2

Pins 3 & 4 closed

 

COM3

Pins 5 & 6 closed

 

COM4

Pins 7 & 8 closed

 

COM5

Pins 9 & 10 closed

 

COM6

Pins 11 & 12 closed

 

COM7

Pins 13 & 14 closed

 

COM8

Pins 15 & 16 closed

SERIAL PORT 2 ADDRESS SELECTION

Setting

JP2

 

COM1

Pins 1 & 2 closed

»

COM2

Pins 3 & 4 closed

 

COM3

Pins 5 & 6 closed

 

COM4

Pins 7 & 8 closed

 

COM5

Pins 9 & 10 closed

 

COM6

Pins 11 & 12 closed

 

COM7

Pins 13 & 14 closed

 

COM8

Pins 15 & 16 closed

SERIAL PORT 3 ADDRESS SELECTION

Setting

JP3

 

COM1

Pins 1 & 2 closed

 

COM2

Pins 3 & 4 closed

»

COM3

Pins 5 & 6 closed

 

COM4

Pins 7 & 8 closed

 

COM5

Pins 9 & 10 closed

 

COM6

Pins 11 & 12 closed

 

COM7

Pins 13 & 14 closed

 

COM8

Pins 15 & 16 closed

SERIAL PORT 4 ADDRESS SELECTION

Setting

JP4

 

COM1

Pins 1 & 2 closed

 

COM2

Pins 3 & 4 closed

 

COM3

Pins 5 & 6 closed

»

COM4

Pins 7 & 8 closed

 

COM5

Pins 9 & 10 closed

 

COM6

Pins 11 & 12 closed

 

COM7

Pins 13 & 14 closed

 

COM8

Pins 15 & 16 closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

JP5

»

3

Pins 1 & 2 closed

 

4

Pins 3 & 4 closed

 

5

Pins 5 & 6 closed

 

6

Pins 7 & 8 closed

 

7

Pins 9 & 10 closed

 

9

Pins 11 & 12 closed

 

10

Pins 13 & 14 closed

 

11

Pins 15 & 16 closed

 

12

Pins 17 & 18 closed

 

15

Pins 19 & 20 closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

JP6

 

3

Pins 1 & 2 closed

»

4

Pins 3 & 4 closed

 

5

Pins 5 & 6 closed

 

6

Pins 7 & 8 closed

 

7

Pins 9 & 10 closed

 

9

Pins 11 & 12 closed

 

10

Pins 13 & 14 closed

 

11

Pins 15 & 16 closed

 

12

Pins 17 & 18 closed

 

15

Pins 19 & 20 closed

SERIAL PORT 3 INTERRUPT SELECTION

IRQ

JP7

»

3

Pins 1 & 2 closed

 

4

Pins 3 & 4 closed

 

5

Pins 5 & 6 closed

 

6

Pins 7 & 8 closed

 

7

Pins 9 & 10 closed

 

9

Pins 11 & 12 closed

 

10

Pins 13 & 14 closed

 

11

Pins 15 & 16 closed

 

12

Pins 17 & 18 closed

 

15

Pins 19 & 20 closed

SERIAL PORT 4 INTERRUPT SELECTION

IRQ

JP8

 

3

Pins 1 & 2 closed

»

4

Pins 3 & 4 closed

 

5

Pins 5 & 6 closed

 

6

Pins 7 & 8 closed

 

7

Pins 9 & 10 closed

 

9

Pins 11 & 12 closed

 

10

Pins 13 & 14 closed

 

11

Pins 15 & 16 closed

 

12

Pins 17 & 18 closed

 

15

Pins 19 & 20 closed

SERIAL PORT 1 CLOCK SPEED SELECTION

Speed

JP9

»

1.8432MHz

Pins 1 & 2 closed

 

3.6864MHz

Pins 3 & 4 closed

 

7.3728MHz

Pins 5 & 6 closed

SERIAL PORT 2 CLOCK SPEED SELECTION

Speed

JP10

»

1.8432MHz

Pins 1 & 2 closed

 

3.6864MHz

Pins 3 & 4 closed

 

7.3728MHz

Pins 5 & 6 closed

SERIAL PORT 3 CLOCK SPEED SELECTION

Speed

JP11

»

1.8432MHz

Pins 1 & 2 closed

 

3.6864MHz

Pins 3 & 4 closed

 

7.3728MHz

Pins 5 & 6 closed

SERIAL PORT 4 CLOCK SPEED SELECTION

Speed

JP12

»

1.8432MHz

Pins 1 & 2 closed

 

3.6864MHz

Pins 3 & 4 closed

 

7.3728MHz

Pins 5 & 6 closed

CONFIGURATION MODE SELECTION

Mode

JP13

JP14

JP15

»

DOS mode

Pins 1 & 2 closed

Pins 1 & 2 closed

Open

 

AST/UNIX mode

#1

Pins 3 & 4 closed

#2

Note: #1 = setting will depend on desired base address. #2 will depend which IRQ is shared with COM ports. Base address settings are listed below.

BASE ADDRESS SELECTION

COM port

JP13/pins 1 & 2

(DOS)

JP13/pins 1 & 2, 3 & 4 (DOS EXT)

JP13/pins 1 & 2, 5 & 6 (DOS MD1)

1

3F8

3E0

3A0

2

2F8

2F0

3A8

3

3E8

3E8

3B0

4

2E8

2E8

3B8

5

3E0

250

2A0

6

2F0

258

2A8

7

2E0

260

2B0

8

260

268

2B8

BASE ADDRESS SELECTION (CON’T)

COM port

JP13/pins 1 & 2, 7 & 8 (DOS MD2)

JP13/pins 1 & 2, 3 & 4, 5 & 6 (DOS EXT MD1)

JP13/pins 1 & 2, 3 & 4, 7 & 8 (DOS EXT MD2)

1

338

360

340

2

238

260

240

3

328

350

330

4

228

250

230

5

1A0

180

250

6

1A8

188

258

7

1B0

190

260

8

1B8

198

268

MISCELLANEOUS TECHNICAL NOTE

If board is configured in an AST/UNIX mode, the system/software must be able to support the use of one IRQ for all four COM ports that are assigned. Before configuring in an AST/UNIX mode, make sure the system is capable