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H757BF

VIVA COMPUTER COMPANY

H757BF

Data bus:

16-bit, ISA

Size:

Half-length, half-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 (COM2/4) - internal

JP11

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

JP12

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

JP13

USER CONFIGURABLE SETTINGS

Function

Location

Setting

Parallel port is uni-directional

JP4

closed

 

Parallel port is bi-directional

JP4

open

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

JP7/Jumper 1

pins 1 & 2 closed

 

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

JP7/Jumper 1

pins 2 & 3 closed

Floppy drive booting sequence is A:/ B:

JP7/Jumper 2

pins 2 & 3 closed

 

Floppy drive booting sequence is B:/A:

JP7/Jumper 2

pins 1 & 2 closed

Floppy drive port address is 3F0-3F7h

JP7/Jumper 3

pins 1 & 2 closed

 

Floppy drive port address is 370-377h

JP7/Jumper 3

pins 2 & 3 closed

Hard drive enabled

JP7/Jumper 4

pins 2 & 3 closed

 

Hard drive disabled

JP7/Jumper 4

pins 1 & 2 closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

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 1 (JP12) CONFIGURATION

COM

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 2 (JP11) CONFIGURATION

COM

JP6/Jumper 3

JP6/Jumper 4

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 (JP13) CONFIGURATION

LPT

JP6/Jumper 5

JP6/Jumper 6

 

LPT1

pins 2 & 3 closed

pins 2 & 3 closed

LPT2

pins 1 & 2 closed

pins 2 & 3 closed

 

LPT3

pins 2 & 3 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 1 & 2 closed

SERIAL PORT 1 (JP12) INTERRUPT REQUEST

IRQ

JP8/Jumper 1

JP8/Jumper 2

JP8/Jumper 3

IRQ4

closed

open

open

 

IRQ3

open

closed

open

 

IRQ5

open

open

closed

SERIAL PORT 2 (JP11) INTERRUPT REQUEST

IRQ

JP8/Jumper 4

JP8/Jumper 5

JP8/Jumper 6

IRQ3

closed

open

open

 

IRQ4

open

closed

open

 

IRQ5

open

open

closed

PARALLEL PORT (JP13) INTERRUPT REQUEST

IRQ

JP8/Jumper 7

JP8/Jumper 8

IRQ7

closed

open

 

IRQ5

open

closed