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Bus Power with new Mac computers [message #86398] Sat, 18 June 2016 00:10 Go to next message
JurgenFrenz is currently offline  JurgenFrenz
Messages: 1
Registered: June 2016
Location: Borneo
Junior Member
Hello there,
I'm currently using a 17" Macbook Pro that in spite of it's 5 years of age works to my full satisfaction. In particular, the FW bus power is high enough to power my MH 2882 interface. The computer has a known issue with it's graphic card so I'm sure that within the next 6 month my machine will die. Thunderbolt-to-FW adapters supply only up to 7W of bus power and from what I found on this forum it is not enough to power the device.
My question is, does anybody have a work-around to 'battery' power the MH interface on the newer Macbook Pros? Any advice is highly appreciated.

Re: Bus Power with new Mac computers [message #87368 is a reply to message #86398] Mon, 21 October 2019 07:03 Go to previous messageGo to next message
politicattika is currently offline  politicattika
Messages: 2
Registered: September 2014
Location: London
Junior Member

I have the same issue trying to find a macbook pro to bus power my unit. Anyone?
Re: Bus Power with new Mac computers [message #87372 is a reply to message #87368] Tue, 22 October 2019 11:58 Go to previous message
bj is currently offline  bj
Messages: 638
Registered: July 2011
Senior Member
You need a pretty old MacBookPro to have enough bus power to power the MIO. Apple continuously dropped the power they were providing; the MIOs used all of the power that the original implementation provided. So, basically, with modern computers, while the MIO is still DC power able (e.g. with a battery pack), you cannot power them with the computer, as the computer does not provide enough power.
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