VIVA COMPUTER COMPANY

W757BF-556 REV. 1

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

JP1

2-pin connector - Drive active LED

JP2

34-pin control cable connector - floppy drive

JP7

15-pin game port - internal

JP8

10-pin serial port (COM2/3/4) - internal

JP9

10-pin serial port (COM1/3/4) - external

JP10

25-pin parallel port (LPT1/2/3) - external

JP11

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Parallel port is uni-directional

JP3

closed

 

Parallel port is bi-directional

JP3

open

»

Hard drive port address is 1F0-1F7, 3F6 & 3F7h

JP5/jumper 1

pins 1 & 2 closed

 

Hard drive port address is 170-177, 376 & 377h

JP5/jumper 1

pins 2 & 3 closed

»

Floppy drive port address is 3F0-3F7h

JP5/jumper 2

pins 1 & 2 closed

 

Floppy drive port address is 370-377h

JP5/jumper 2

pins 2 & 3 closed

»

Floppy drive booting sequence A:/B:

JP5/jumper 3

pins 2 & 3 closed

 

Floppy drive booting sequence B:/A:

JP5/jumper 3

pins 1 & 2 closed

»

Hard drive enabled

JP5/jumper 4

pins 2 & 3 closed

 

Hard drive disabled

JP5/jumper 4

pins 1 & 2 closed

»

Floppy drive enabled

JP5/jumper 5

pins 2 & 3 closed

 

Floppy drive disabled

JP5/jumper 5

pins 1 & 2 closed

»

Game port enabled

JP12

closed

 

Game port disabled

JP12

open

SERIAL PORT CONFIGURATION

Port 1 (JP10)

JP4/jumper 1

JP4/jumper 2

»

COM1

pins 2 & 3 closed

pins 1 & 2 closed

 

COM3

pins 1 & 2 closed

pins 2 & 3 closed

 

COM4

pins 2 & 3 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT CONFIGURATION

Port 2 (JP9)

JP4/jumper 3

JP4/jumper 6

»

COM2

pins 2 & 3 closed

pins 1 & 2 closed

 

COM3

pins 2 & 3 closed

pins 2 & 3 closed

 

COM4

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

PARALLEL PORT CONFIGURATION

LPT

JP4/jumper 4

JP4/jumper 5

»

LPT2

pins 2 & 3 closed

pins 1 & 2 closed

 

LPT1

pins 2 & 3 closed

pins 2 & 3 closed

 

LPT3

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT INTERRUPT REQUEST

Port 1 (JP10)

JP6/jumper 1

JP6/jumper 2

JP6/jumper 3

»

IRQ4

Closed

Open

Open

 

IRQ3

Open

Closed

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT INTERRUPT REQUEST

Port 2 (JP9)

JP6/jumper 4

JP6/jumper 5

JP6/jumper 6

»

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT REQUEST

IRQ

JP6/jumper 7

JP6/jumper 8

»

IRQ7

Closed

Open

 

IRQ5

Open

Closed