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Non functioning Akasa external hard drive enclosure

by johnfordconsult / January 30, 2009 7:20 PM PST

Have installed 750 Gb IDE hard drive in above but drive not identified as usb mass storage device in device manager or in my computer operating under XP Pro , SP3.
Hard drive checks out when used as internal drive on system and will back up existing 2X160 Gb hard drives in RAID 1
Akasa power lights come on when device plugged in but data light flickers initially for a while then locks permanently on. Device linked through powered 4 port usb hub and fed through from 2 ports using recommended dual to single usb 2 cable. All usb ports are operating normally in device manager with all drivers acknowledged as best.
Help would be most appreciated!

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2 USB ports is all of 5 Watts power.
by R. Proffitt Forum moderator / January 30, 2009 10:41 PM PST

Any known 750GB 3.5 inch hard disk is 10 Watts and up.

I see a power shortage.
Bob

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Non functioning akasa
by johnfordconsult / January 31, 2009 6:25 PM PST

Bob Thanks for prompt response. However although hard drive is rated at .72 amps @5V & .52 amps at 12v akasa enclosure has its own power supply rated at 2 amps @5V & 2 amps @12V.

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That dual USB cable is misleading.
by R. Proffitt Forum moderator / January 31, 2009 9:47 PM PST
In reply to: Non functioning akasa

We use those duals when we want to draw power from USB ports. Since this USB hard disk has it's own power I'd start simple with your good single USB 2.0 cable right to the PC.

In parting some don't know hard disks arrive blank without formatting or a drive letter and think it's defective. Tell me about what you did to prepare the drive.
Bob

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Non functioning Akasa
by johnfordconsult / February 1, 2009 4:24 AM PST

Bob. Installed disc on internal ide and not only fomatted but also cloned existing 2x 160 Gb Raid 1 array successfully with Paragon Hard disc manager.Drive shows as allocated letter H

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That's bad.
by R. Proffitt Forum moderator / February 1, 2009 5:23 AM PST
In reply to: Non functioning Akasa

In externals a clone volume may or may not show up. There's a free lesson here.

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non functioning akasa
by johnfordconsult / February 2, 2009 7:11 PM PST
In reply to: That's bad.

What would lesson be?

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What I learned is
by R. Proffitt Forum moderator / February 2, 2009 10:56 PM PST
In reply to: non functioning akasa

-> Prepare the drive after you've placed it into the enclosure. Cloned drives may not show up.

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