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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
MIDI card
COM 2 (Mouse or Modem)
COM 1 (Mouse or Modem)
Sound card
Floppy drive controller
LPT1 (Printer)
Reserved for system use
Video card
Reserved for system use
Hard disk controller
SCSI card (scanners, etc.)
Note: All port addresses are written using Hexadecimal notation.
©1996 Roland Corporation U.S. Installing MPU-401Compatible Cards in Windows 95
MPU-401
®
Compatible Cards
IRQ
2/9
3
4
5
6
7
8
2/9
13
14
15
Port Address
330-331
2F8
3F8
220-22F
3F0-3F7
378-37F
070-071
3D0-3DF
0F0-0FF
1F0-1F7
330-33F
Supplemental
Notes
Page 1 of 8
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Summary of Contents for Roland MPU-401
- Page 1 Notes Compatible Cards 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.
- Page 2 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.
- Page 3 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.
- Page 4 You will find an OFF and ON position for each of the switches. Move the switch to the desired location using this chart: ↑ ↑ ↑ ↑ ↓ ↓ ↓ ↓ ©1996 Roland Corporation U.S. Installing MPU-401 Compatible Cards in Windows 95 Page 4 of 8...
- Page 5 Use a screw to fasten the card firmly in your computer. Replace the computer’s cover. III. Installing Windows 95 Drivers ©1996 Roland Corporation U.S. Installing MPU-401 Compatible Cards in Windows 95 Page 5 of 8...
- Page 6 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. ©1996 Roland Corporation U.S. Installing MPU-401 Compatible Cards in Windows 95 Page 6 of 8...
- Page 7 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. ©1996 Roland Corporation U.S. Installing MPU-401 Compatible Cards in Windows 95 Page 7 of 8...
- Page 8 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. ©1996 Roland Corporation U.S. Installing MPU-401 Compatible Cards in Windows 95 Page 8 of 8...