Dolphin peripherals, llc.

Fastisa-4021

Card Type

Serial card

Chip Set

Startech

Maximum Onboard Memory

None

I/O Options

Serial port

Data Bus

16-bit ISA

Floppy drives supported

None

CONNECTIONS

Function

Location

25-pin serial port

S1

SERIAL PORT 1 ADDRESS SELECTION

COM

JP1/1

JP1/2

JP1/3

JP1/4

JP1/5

JP1/6

JP1/7

JP1/8

»

COM1(3F8h)

Closed

Open

Open

Open

Open

Open

Open

Open

 

COM2(2F8h)

Open

Closed

Open

Open

Open

Open

Open

Open

 

COM3(3E8h)

Open

Open

Closed

Open

Open

Open

Open

Open

 

COM4(2E8h)

Open

Open

Open

Closed

Open

Open

Open

Open

 

COM5(3F0h)

Open

Open

Open

Open

Closed

Open

Open

Open

 

COM6(3E0h)

Open

Open

Open

Open

Open

Closed

Open

Open

 

COM7(2E0h)

Open

Open

Open

Open

Open

Open

Closed

Open

 

COM8(260h)

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

JP2/A

JP2/B

JP2/C

JP2/D

JP2/E

JP2/F

JP2/G

JP2/H

JP2/I

 

IRQ3

Closed

Open

Open

Open

Open

Open

Open

Open

Open

»

IRQ4

Open

Closed

Open

Open

Open

Open

Open

Open

Open

 

IRQ5

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

IRQ7

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

IRQ9

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

IRQ10

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

IRQ11

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

IRQ12

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

IRQ15

Open

Open

Open

Open

Open

Open

Open

Open

Closed