HwMuseum | Index

ORCHID TECHNOLOGY

SUPER IDE/VLB CONTROLLER

Data bus:

32-bit, VL-Bus

Size:

Full-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

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

CN1

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

CN2

40-pin IDE(AT) Interface connector

JP4

34-pin control cable connector - floppy drive

JP6

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

JP8

15-pin game port - internal

JP9

4-pin connector - Drive active LED

JP20

PARALLEL PORT CONFIGURATION

LPT

Jumper J6

Jumper J7

 

LPT2 (378-37Fh)

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

 

LPT3 (278-27Fh)

pins 2 & 3 closed

pins 1 & 2 closed

»

LPT1 (3BC-3BFh)

pins 2 & 3 closed

pins 2 & 3 closed

PARALLEL PORT INTERRUPT REQUEST

IRQ

Jumper JP14

Jumepr JP15

»

Parallel port interrupt is disabled

open

open

 

Parallel port interrupt is IRQ7

open

closed

 

Parallel port interrupt is IRQ5

closed

open

USER CONFIGURABLE SETTINGS

Function

Location

Setting

»

Floppy drive enabled

J1

Pins 2 & 3 closed

 

Floppy drive disabled

J1

Pins 1 & 2 closed

»

Hard drive port address is 1F0-1F7h

J2

Pins 2 & 3 closed

 

Hard drive port address is 170-177h

J2

Pins 1 & 2 closed

»

Floppy drive A:/B: order normal

J3

Pins 2 & 3 closed

 

Floppy drive A:/B: order changed

J3

Pins 1 & 2 closed

»

Hard drive enabled

J4

Pins 2 & 3 closed

 

Hard drive disabled

J4

Pins 1 & 2 closed

»

Hard drive I/O port address is 1F0-1F7, 3F0-3F7h

J5

Pins 2 & 3 closed

 

Hard drive I/O port address is 170-177, 370-377h

J5

Pins 1 & 2 closed

»

Game port enabled

J12

pins 2 & 3 closed

 

Game port disabled

J12

pins 1 & 2 closed

»

IDE Cycle is VESA

J15

JP17

pins 2 & 3 closed

open

 

IDE Cycle is ISA

J15

JP17

pins 1 & 2 closed

closed

»

VL bus clock speed is 33MHz or 50MHz

J16

pins 2 & 3 closed

 

VL bus clock speed is 25MHz or 40MHz

J16

pins 1 & 2 closed

»

One IDE(AT) hard drives supported

JP5

closed

 

Two IDE(AT) hard drives supported

JP5

open

»

Parallel Port (CN2) is an I/O port

JP7

closed

 

Parallel Port (CN2) is an input port only

JP7

open

»

Hard drive interrupt is IRQ14

JP10

closed

 

Hard drive interrupt is disabled

JP10

open

»

Serial Port 2 interrupt is IRQ3

JP11

closed

 

Serial Port 2 interrupt is disabled

JP11

open

»

Serial Port 1 interrupt is IRQ4

JP12

closed

 

Serial Port 1 interrupt is disabled

JP12

open

»

Floppy drive interrupt is IRQ6

JP13

closed

 

Floppy drive interrupt is disabled

JP13

open

 

Factory Configured - do not alter

JP16

open

 

Factory Configured - do not alter

JP18

open

SERIAL PORT 1 CONFIGURATION

COM

Jumper J8

Jumper J9

 

COM3

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

 

COM4

pins 2 & 3 closed

pins 1 & 2 closed

»

COM1

pins 2 & 3 closed

pins 2 & 3 closed

SERIAL PORT 2 CONFIGURATION

COM

Jumper J10

Jumper J11

 

COM4

pins 1 & 2 closed

pins 1 & 2 closed

 

Disabled

pins 1 & 2 closed

pins 2 & 3 closed

 

COM4

pins 2 & 3 closed

pins 1 & 2 closed

»

COM2

pins 2 & 3 closed

pins 2 & 3 closed