VIVA COMPUTER COMPANY

W757BF-556 REV. 2

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

JP9

15-pin game port - internal

JP10

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

JP11

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

JP12

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

JP13

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Single hard drive configuration enabled

JP3

closed

 

Dual hard drive configuration enabled

JP3

open

Parallel port is uni-directional

JP4

closed

 

Parallel port is bi-directional

JP4

open

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

JP7/jumper 1

pins 1 & 2 closed

 

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

JP7/jumper 1

pins 2 & 3 closed

Floppy drive port address is 3F0-3F7h

JP7/jumper 2

pins 1 & 2 closed

 

Floppy drive port address is 370-377h

JP7/jumper 2

pins 2 & 3 closed

Floppy drive booting sequence A:/B:

JP7/jumper 3

pins 2 & 3 closed

 

Floppy drive booting sequence B:/A:

JP7/jumper 3

pins 1 & 2 closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Hard drive enabled

JP7/jumper 4

pins 2 & 3 closed

 

Hard drive disabled

JP7/jumper 4

pins 1 & 2 closed

Floppy drive enabled

JP7/jumper 5

pins 2 & 3 closed

 

Floppy drive disabled

JP7/jumper 5

pins 1 & 2 closed

AT mode enabled

JP7/jumper 6

pins 2 & 3 closed

 

XT mode enabled

JP7/jumper 6

pins 1 & 2 closed

SERIAL PORT CONFIGURATION

Port 1 (JP12)

JP6/jumper 1

JP6/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 (JP11)

JP6/jumper 3

JP6/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 SETTINGS

LPT

JP6/jumper 4

JP6/jumper 5

2

pins 2 & 3 closed

pins 1 & 2 closed

 

1

pins 2 & 3 closed

pins 2 & 3 closed

 

3

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT INTERRUPT SELECTION

Port 1 (JP12)

JP8/jumper 1

JP8/jumper 2

JP8/jumper 3

IRQ4

Closed

Open

Open

 

IRQ3

Open

Closed

Open

 

IRQ5

Open

Open

Closed

SERIAL PORT INTERRUPT SELECTION

Port 2 (JP11)

JP8/jumper 4

JP8/jumper 5

JP8/jumper 6

IRQ3

Closed

Open

Open

 

IRQ4

Open

Closed

Open

 

IRQ5

Open

Open

Closed

PARALLEL PORT INTERRUPT SELECTION

IRQ

JP8/jumper 7

JP8/jumper 8

7

Closed

Open

 

5

Open

Closed