Roland MPU-401 Betriebsanleitung

®ÂØÒÅˆÎ

MPU-401

Compatible Cards Supplemental

Notes

May 14, 1996

Installing MPU-401 Compatible Cards in Windows 95

These notes are designed to help you install the following Roland MIDI cards and configure

them in Windows 95:

•LAPC-1

•MPU-401, MPU-IPC-T, MPU-401AT

•SCC-1

I. First, we will look at computers and peripherals and how they work together. See “Typical

Hardware Setup”.

II. Second, we will prepare the MIDI card for installation. See “Changing Hardware Settings”.

III. Third, we will install the Windows 95 drivers. See “Installing Windows 95 Drivers”.

IV. Finally, we will test the MIDI configuration to make sure it is working properly. See “Testing

the MIDI Card”.

I. Typical Hardware Setup

IBM-compatible computers can be expanded to accept many different devices such as a

mouse, modem, printer, sound card, or MIDI card. Your computer uses interrupts (also called

IRQ’s) and port addresses (or I/O addresses) to distinguish between these different devices.

Since this guide is not intended to explain the concepts of IBM computers in detail, we will not

jump into the particular definitions of IRQ’s and addresses. Just remember that the IRQ and

port address numbers must be unique for EVERY device in your computer.

When two different devices in your computer are set to the same interrupt or address, a

conflict results. A conflict is the most common problem encountered when installing a new

device. This may result in your computer crashing, reporting an error message, or playing MIDI

in an unusual manner. In order to avoid conflicts, it is important to be familiar with the interrupt

and address settings of the various devices in your computer. Here are some typical devices

and their settings :

Device IRQ Port Address

MIDI card 2/9 330-331

COM 2 (Mouse or Modem) 3 2F8

COM 1 (Mouse or Modem) 4 3F8

Sound card 5 220-22F

Floppy drive controller 6 3F0-3F7

LPT1 (Printer) 7 378-37F

Reserved for system use 8 070-071

Video card 2/9 3D0-3DF

Reserved for system use 13 0F0-0FF

Hard disk controller 14 1F0-1F7

SCSI card (scanners, etc.) 15 330-33F

Note: All port addresses are written using Hexadecimal notation.

®ÂØÒÅˆÎ MPU-401 Windows 95 Supplemental Notes

As you can see, there are many devices and settings in your computer to examine before

installation. All Roland MIDI cards are set to interrupt 2/9 and address 330 when shipped from

the factory. The notation of interrupt 2/9 means that interrupts 2 and 9 are redirected IRQ’s.

This means anything set on IRQ 2 also shares IRQ 9. Notice that video cards and MIDI cards

typically have the same interrupt settings of 2/9. Although this is usually OK, some computers

may have problems with these two devices sharing the same interrupt.

COM 1 and COM 2 refer to the 9 and 25-pin serial port connectors on the back of your

computer. A mouse may be attached to one of these ports. If not, you probably have a PS/2

style mouse that uses a round 8-pin connector. A PS/2 style mouse typically uses IRQ 12,

leaving your serial ports available for other devices. A Fax/Modem will also use one of the

vailable serial ports. This is true whether it is connected to the computer internally or externally.a

Note: Due to the fact that IBM computers and devices are manufactured by many different

companies, default settings may vary. Contact your computer or device manufacturer for more

information.

II. Changing Hardware Settings

To change an IRQ or port address setting of a Roland MIDI card, you must change jumpers or

switches on the card itself.

Possible IRQ and Port Address Settings

The following is a list of Roland MIDI cards with possible settings for each. The settings in

old are the defaults.b

SCC-1 and LAPC-1

IRQ: 2/9, 3, 4, 5, 6, 7

ort Address: 330, 332, 334, 336

MPU-401

IRQ: 2/9

Port Address: 330

MPU-IPC-T

IRQ: 2/9, 3, 4, 5, 6, 7

Port Address: 220, 230, 240, 250, 320, 330, 340, 350

MPU-401AT

IRQ: 2/9, 3, 4, 5, 6, 7

Port Address: 300, 320, 330, 332, 334, 336

®ÂØÒÅˆÎ MPU-401 Windows 95 Supplemental Notes

Jumper and Switch settings for IRQ and Port Address

Below are the jumper and switch settings used to change the IRQ and port address for Roland

IDI cards. The settings that are shaded are the factory defaults.M

Note: The default settings for Roland cards are usually the least likely to conflict with other

cards. Therefore it is recommended that you do not change these settings unless you are sure

you have a conflict with another device.

LAPC-1

IRQ: There is a set of jumpers labeled J01 through J06 on the LAPC-1. With the connectors of

the card facing down and to the right, these jumpers are located near the bottom-center of the

LAPC-1. Look at the chart below and move the jumper to the appropriate set of pins to select

the IRQ you want to use.

IRQ 2/9 3 4 5 6 7

Jumper Name J01 J02 J03 J04 J05 J06

Port Address: There are two jumpers on the LAPC-1 used to change the address, labeled J07

and J08. These jumpers are located to the left of the IRQ jumpers on the card (see above).

Move the jumper to the desired location using this chart:

330 332 334 336

J07 J08 J07 J08 J07 J08 J07 J08

MPU-401

The original MPU-401 card was hard-wired from the factory to IRQ 2/9 and port address 330H.

If you wish to change these settings, contact an authorized Roland Service Center.

®ÂØÒÅˆÎ MPU-401 Windows 95 Supplemental Notes

MPU-IPC-T

IRQ: The jumpers used to change the interrupt are labeled on the card as 2/9, 3, 4, 5, 6, and 7.

Position the card with the connectors facing down and to the right. The interrupt jumpers are

located near the bottom-center. Move the jumper to the desired position to select the IRQ.

IRQ 2 3 4 5 6 7

Port Address: There are several jumpers labeled A04 through A09 on the MPU-IPC-T used to

change port address. With the connectors of the card facing down and to the right, these

jumpers are located near the top-center of the MPU-IPC-T. You will find a 0 and 1 position for

each of the jumpers. To set a jumper to the 1 position, install it on the middle pin and the top

pin (labeled 1). To set a jumper to the 0 position, install it on the middle pin and the bottom pin

(labeled 0). Move the jumpers to the desired locations for A04 through A09 using this chart:

Switch Name

Address A04 A05 A06 A07 A08 A09

220 0 1 0 0 0 1

230 1 1 0 0 0 1

240 0 0 1 0 0 1

250 1 0 1 0 0 1

320 0 1 0 0 1 1

330 1 1 0 0 1 1

340 0 0 1 0 1 1

350 1 0 1 0 1 1

SCC-1

IRQ: With the connectors of the card facing down and to the right, the jumpers used to change

interrupts are located near the bottom-center. IRQ’s are labeled on the card as 2/9, 3, 4, 5, 6,

and 7. Move the jumper to the appropriate set of pins to select the interrupt you want to use.

SW1

IRQ 2 3 4 5 6 7

Port Address: There are two switches on the SW2 block labeled 1 and 2 which are used to

select the port address. With the connectors of the card facing down and to the right, these

switches are located near the top-center of the card on the right. You will find an OFF and ON

position for each of the switches. Move the switch to the desired location using this chart:

330 332 334 336

1 2 1 2 1 2 1 2

↑

↑↑↑

OFF ↓↓

↓↓

®ÂØÒÅˆÎ MPU-401 Windows 95 Supplemental Notes

MPU-401AT

IRQ: There is a set of jumpers labeled SW1 on the MPU-401AT card. With the connectors of

the card facing down and to the right, the SW1 jumpers are located near the bottom left of the

MPU-401AT. Move the jumper to the desired location using this chart to select an interrupt:

IRQ 7 6 5 4 3 2/9

Port Address: There is a set of switches labeled SW2 to the right of the SW1 interrupt jumpers

on the MPU-401AT. You will find an OFF and ON position for each of the switches. Move the

switches to the desired locations using this chart to select the address:

300 320 330

1 2 3 4 1 2 3 4 1 2 3 4

↑

↑↑

OFF ↓↓↓↓↓↓↓

↓↓

332 334 336

1 2 3 4 1 2 3 4 1 2 3 4

ON ↑↑↑↑↑↑

↑↑↑↑

OFF ↓

↓

MIDI Card Installation

Note: Since computers vary dramatically by manufacturer and type, it is a good idea to consult

your computer manufacturer before installation. If you are not comfortable installing the card,

please consult a local computer technician.

MPU-401AT Note: If you are using an MPU-401AT with a daughterboard, you will need to

attach the daughterboard to the card. The MPU-401AT has a connector labeled CN1. This

connector will attach to the equivalent connector on the daughterboard. Two of the four plastic

spacers on the daughterboard will fit into holes on the MPU-401AT.

Now that the card is set to the appropriate IRQ and port address settings, it must be physically

installed in the computer. Remove the cover of your computer - this will typically require a

screwdriver and/or key. Slide the card into an available slot in the PC. Be careful not to drop

anything like a screwdriver or other tool in your computer. Use a screw to fasten the card

firmly in your computer. Replace the computer’s cover.

III. Installing Windows 95 Drivers

®ÂØÒÅˆÎ MPU-401 Windows 95 Supplemental Notes

There are three parts to this process:

1. First, we will install the Windows driver.

2. Second, we will tell Windows which interrupt and address settings you have chosen.

3. Third, we will select the new MIDI card as the primary Windows MIDI device.

Installing the Windows Driver

1) From the Start Menu, select Settings and open the

Control Panel.

2) In the Control Panel, double-click on Add New

Hardware.

3) To begin installing your hardware, click Next.

4) Since you do not want Windows to search for your

hardware, click No, followed by Next.

5) For hardware type, scroll down through the list and

select Sound, video and game controllers.

6) For Manufacturer on the left, choose Microsoft.

For Models on the right, choose MPU-401

Compatible. Click Next.

7) Windows will indicate the default interrupt and

address settings for the card. If the card you

installed is not at these default settings, you will

need to change them in Windows. Finish the

steps below and then go to the “Setting the

Interrupt and Address in Windows” section.

8) You may need to insert a Windows disk at this

point. Afterwards, click Finish to end the

installation.

9) At this point you will be asked to shut down the

computer. After doing so, restart it.

®ÂØÒÅˆÎ MPU-401 Windows 95 Supplemental Notes

Setting the Interrupt and Address in Windows

If your MIDI card is not at the default settings, or if

Windows is not recognizing the card, follow these

steps to change the settings in Windows. Otherwise,

go to the “Selecting the MIDI Card as the Primary

Windows MIDI Device” section below.

1) From the Start Menu, select Settings and open the

Control Panel.

2) In the Control Panel, double-click on the System

icon.

3) Click on the Device Manager tab at the top of the

System Properties window.

4) Double-click on Sound, video and game

controllers.

5) Your sound cards will be displayed. Double-click

on MPU-401 Compatible.

6) Click on the Resources tab at the top of the

Properties window.

7) Clear the check mark from the Use automatic

settings box, if necessary.

8) To change the port address, click on Input/Output

Range. To change the interrupt, click on Interrupt

Request. Then click the Change Setting button.

9) The screen you will be shown displays the value

for the parameter you have selected. Click the up

and down arrows to choose from the available

values, making sure that no devices are conflicting

in the Device Conflict box at the bottom.

10) Click OK, and change the other settings as

necessary.

11) Click OK again and restart Windows when

requested.

Selecting the MIDI Card as the Primary Windows MIDI Device

1) Open the Control Panel.

2) Double-click on the Multimedia icon.

3) Click the MIDI tab at the top of the window.

4) Click the dot to the left of Single Instrument.

5) Click on MIDI for MPU-401 Compatible in the

white box under Single Instrument.

6) Click OK at the bottom of the window.

®ÂØÒÅˆÎ MPU-401 Windows 95 Supplemental Notes

IV. Testing the MIDI Card

At this point we will test the MIDI card to make sure it is installed and configured properly. We

will be using the Media Player program included with Windows. If you are using an external

MIDI device, it should be turned on and waiting to receive MIDI data. Connect its MIDI input to

your new card’s MIDI output.

1) From the Start Menu, select Programs, then

Accessories, and Multimedia, followed by Media

Player.

2) Under the Device menu, select MIDI Sequencer.

3) A window to open a file will be displayed. If you

upgraded from Windows 3.1, you should be able

to find the CANYON.MID file in the Windows

directory. Otherwise, you will need to locate and

open a MIDI file of your own.

4) To make sure the correct MIDI device has been

chosen, select Properties under the Device menu.

5) Under Single Instrument, click on the MIDI device

you wish to test (the MPU-401 Compatible).

6) Click OK at the bottom of the window.

7) In the Media Player, click the Play button (the

button on the far left that looks like a sideways

triangle) and the MIDI file will begin playing.

Start

Programs

Accessories

Multimedia

Media Player

If you are not getting any output, check the following:

•Is your output device (speakers, headphones, etc.) attached to the correct connector?

•Are the speakers or headphones working properly? Try connecting them to another audio

device to test them.

•If the signal is going through a mixer or an amplifier, are the volume levels turned up?

•If you are controlling an external MIDI device, are the MIDI connections correct? Can it be

verified that the device is receiving MIDI data?

If the sound you are getting is still not right, or you are not getting any output at all, then you

may have an interrupt or address conflict. Determine some other available settings for the

card that you can use. Change the jumpers or switches on the card, and change the

corresponding values in Windows to reflect the updates. Then try testing the card again.

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