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External CD/HD Firewire enclosure on laptop

ColdFusion718

ColdFusion718

Diamond Member
Hello

I'm planning on buying this firewire enclosure to use with my laptop. The problem is that my laptop only has 4-pin firewire ports (no bus power).

I was wondering if anyone has a setup similar to what I'm trying to accomplish. I have a 4-pin to 6-pin cable. Also, this external enclosure uses AC power so I'm not sure if it is used to power both the 12V and 5V of the HD or CD within thus ignoring the firewire 5V bus power.

Thanks in advance for any help.
 
A full-size enclosure won't ever use the Firewire bus power. CD and 3.5 inch hard drives need to much power for it. 2.5 inch drive enclosures can use the bus power, and usually come with a PS/2 port power passthrough to let you use the PS/2 port if your Firewire doesn't supply power. The AC power brick outputs DC power to the enclosure, which is then converted to all the voltages needed for the drive; no power is used from the Firewire bus. (Or the USB for that matter.)
 
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