OCEAN INFORMATION SYSTEMS, INC.

VL-COMBO SUPER REV.1.2

Data bus:

32-bit, VL-bus

Size:

Three/quarter-length, full-height card

Hard drive supported:

Two IDE (AT) interface drives

Floppy drives supported:

Two 360KB, 720KB, 1.2MB, 1.44MB, or 2.88MB drives

CONNECTIONS

Function

Location

40-pin IDE (AT) Interface connector

P1

4-pin connector - drive active LED

P2

VGA feature connector

P3

34-pin control cable connector - floppy drive

P4

10-pin serial port 2

P5

10-pin serial port 1

P7

15-pin analog video connector

J2

25-pin parallel port

J3

IDE DRIVE SELECT

Function

JP1

JP2

»

IDE drive enabled

pins 1 & 2 closed

pins 1 & 2 closed

 

IDE drive disabled

pins 2 & 3 closed

pins 2 & 3 closed

IDE DRIVE SPEED SELECT

Function

JP3

JP4

»

IDE speed = normal

pins 1 & 2 closed

pins 1 & 2 closed

 

IDE speed = medium

pins 2 & 3 closed

pins 1 & 2 closed

 

IDE speed = high

pins 2 & 3 closed

pins 2 & 3 closed

 

Factory configuration - do not use

pins 1 & 2 closed

pins 2 & 3 closed

Note: Do not use the last setting, could cause damage.

VIDEO PORT

Function

JP5

JP6

»

VGA port enabled

pins 1 & 2 closed

pins 1 & 2 closed

 

VGA port disabled

pins 2 & 3 closed

pins 2 & 3 closed

VIDEO PORT

Function

JP22

JP23

»

Parallel port uses DMA channel 1

pins 1 & 2 closed

pins 1 & 2 closed

 

Parallel port uses DMA channel 3

pins 2 & 3 closed

pins 2 & 3 closed

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Factory configured - do not alter

JP12

pins 2 & 3 closed

»

Floppy drive enabled

JP19

pins 1 & 2 closed

 

Floppy drive disabled

JP19

pins 2 & 3 closed

»

ECP/EPP printer modes enabled

JP24

pins 1 & 2 closed

 

ECP/EPP printer modes disabled

JP24

pins 2 & 3 closed

PARALLEL PORT INTERRUPT SELECT

IRQ

JP11

»

IRQ7

pins 2 & 3 closed

 

IRQ5

pins 1 & 2 closed

 

Disabled

all pins open

PARALLEL PORT CONFIGURATION

LPT/Address

JP13

JP14

»

LPT1/378h

pins 2 & 3 closed

pins 1 & 2 closed

 

LPT2/278h

pins 1 & 2 closed

pins 1 & 2 closed

 

LPT3/3BCh

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 1 CONFIGURATION

COM/Address

JP15

JP16

»

COM1/3F8h

pins 1 & 2 closed

pins 1 & 2 closed

 

COM2/2F8h

pins 2 & 3 closed

pins 1 & 2 closed

 

COM3/338h

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION

COM/Address

JP17

JP18

»

COM2/2F8h

pins 1 & 2 closed

pins 1 & 2 closed

 

COM1/3F8h

pins 2 & 3 closed

pins 1 & 2 closed

 

COM4/238h

pins 1 & 2 closed

pins 2 & 3 closed

 

Disabled

pins 2 & 3 closed

pins 2 & 3 closed