Digital Audio Workstation & MIDI > Audio & MIDI Hardware

MIDI Interfaces connecting via USB (without audio i/o)

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part12studios:
Hi everyone,

I'm using a G4 Sawtooth with OS9 + Digital Performer 3.  I was interested in getting one of these

http://www.soundonsound.com/reviews/arturia-beatstep

It appears to be a cost effective CV/Gate, but it has no hardware MIDI IN.. and relies on USB to be a proper In/Out device..  I never gave this another thought with the Amiga 1200 because it has no USB but my G4 does.

I'm not sure how universal the OS9 usb drivers are.  Obviously these days with OSX and Windows most devices can work without having to deal with custom drivers, but we're talking about OS9 and I haven't had to hook up many devices to my system so far. 

Thanks,
Caleb

GaryN:
This looks like a long shot - a really long shot. I seriously doubt this will work properly…BUT, you never know…

There is no OS9 "MIDI over USB" driver. The standard class compliant protocols that exist today and are incorporated into your modern Macbook, iPad etc. did not exist back then. You are entirely dependent therefore, on FreeMIDI (since you're using DP) to recognize and communicate with the Beatstep over USB. The Mac USB Device Driver will "see" the Beatstep. It won't know what it is but it will probably pass data to it from DP if FreeMIDI recognizes the Beatstep as a MIDI device.

Without class compliant stuff in place, you're biggest worries are:
1. Will FreeMIDI even "see" this thing to begin with? And
2. Timing. Playing a sequence out from DP through the Beatstep to use its CV gates will be a breath-holding, fingers-crossed procedure.

The Beatstep is a modern device that is reliant on modern protocols to work - as I said, a long shot.

part12studios:
Thanks for confirming that.  I figured as much, but was hoping maybe something about midi-usb devices ran deeper.. but I realize that midi-usb was a big revolution in later generation hardware along with other OS advancements.. 

Thanks!
Caleb

mnemic:

--- Quote from: Vlacac on April 29, 2014, 03:09:46 AM ---Hi!

 +1 device: Roland UM1-EX  working fine in os9.2.2 (Not found on the list)

 Official driver here:
http://www.roland.com/support/article/?q=downloads&p=UM-1EX

Regards,
Laszlo

--- End quote ---

In my mac os 9 do not installs drivers...(((

IIO:
if you are lucky, the beatstep might work halfway with some other driver by accident.

but otherwise no devoce driver = no OS9 support.

you will find similar devices from akai, edirol, m-audio... for OS9, unfortunately second hand prices are higher than getting a modern one new.

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