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usb audio not working alesis io 2


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#1
him

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i recently bought an alesis io 2 off ebay and it works great in xp but when in osx 10.4.7 hackintosh the audio is never recognised
but the midi function is recognised under the audio and midi setup panel (its an audio and midi usb sound card, the midi shows up but not the audio part)

i have other usb devices attached to the computer that all function properly and tried it with all of them removed but still only midi is being recognised
i've installed the soundblaster.usb.audio.support.pkg but it seems it hasn't done anything

the device is supported by os x and doesn't need any drivers and so far alesis haven't been able to help


anybody got any ideas? this is killing me now!

Edited by him, 18 December 2006 - 11:05 AM.


#2
him

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i upgraded to 10.4.8 but it made no difference
has anyone experienced a similar problem?

#3
martinleonard

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got exactly the same problem on leopard - the card is detected in the sound properties
but it says it has no output or input controllers so you cant get any sound from any headphones you plug in

hopefully someone will post a solution here

#4
6nikola9

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a) download the 10.4.9 combo update

:) MOUNT the 10.4.9 combo update (i.e. double click the dmg file)

c) download and launch Pacifist

d) choose the package INSIDE the mounted 10.4.9 combo update

e) navigate the 10.4.9 combo update file system to: System/Library/Extensions/AppleUSBAudio.kext

f) instal the AppleUSBAudio.kext by selecting this and only this kext and choosing Instal (when prompted, allow Pacifist to overwrite existing files). I made a backup of the existing kext just in case.

g) quit Pacifist

h) download and launch OnyX

i) on Startup, allow OnyX to perform verification tests

j) choose Cleaning (main menu)

k) choose Caches

l) in addition to selected items, select System and Kernel caches

m) choose Execute

n) choose Maintenance (main menu)

o) choose Optimize

p) choose Complete Optimization (this forces pre-binding)

q) choose Execute

r) quit OnyX

s) shutdown system

t) unplug USB Audio device

u) startup system

v) after startup completes, plug USB Audio device back in


;)

#5
martinleonard

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followed instructions with no probs but it still cant detect the usb card which is in the sound properties as having any output or input controllers

#6
6nikola9

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i followed the same operations having the same soundcard and it worked to me in my osx 10.4.10....maybe you have done something wrong...repeat the operations.

#7
martinleonard

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im using leopard though and your using tiger but ill give it another go

still dont work although on my version of onyx i dont have the optimize option under maintenance

#8
martinleonard

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anyone else got any ideas on how to make this usb card work in leopard

#9
martinleonard

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just downloaded the tiger version of onyx and it has the extra features thats not in the leopard version gunna try it with this version of onyx and ill post once iv done


update - tried with tiger version of onyx and still doesnt work

#10
6nikola9

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so, really sorry..i don't know how help you..this method worked to me at first try...

#11
martinleonard

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it just dawned on me ur using the 10.4.9 combo update - what if i use the 10.5.2 combo update instead ill try that and post back in abit


still dont work must be a problem with leopard - it detects the usb sound card just comes up saying theres no input/output controllers all the time so its useless





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