20GB External Storage for my ChiPod NanoCLone

paulm64 · #11 (**permalink**) 8th Nov 2006, 8:51 pm

I've got one one the way, so I'll let you know how it works.

Paul

lattesurf · #12 (**permalink**) 8th Nov 2006, 10:39 pm

It states in the Compatibility/Capacity that external hdd needs external power source. You'll need a USb cable that has 3 usb plugs in total (1 to hdd, 1 to USB transfer host, and 1 to a power supply), most external casings should come with these 3-way cables.
Not sure how big is the power supply or whether is it portable. But seems to be getting more and more stuff (USB transfer host & power supply), not very convenient!

domtor0 · #13 (**permalink**) 11th Nov 2006, 10:55 am

Quote:

Originally Posted by Bugmenot-User";p=&quot

Found it.
http://www.compusa.com/products/prod...ransfer_Device

Warning as this is an 1.1 USB protocol .... Hope you like coffee , cause you will drink a lot waiting to transfer your datas :lol:

paulm64 · #14 (**permalink**) 14th Nov 2006, 5:51 pm

I wonder if you could make a battery power supply for the hard drive. What are the power requirements for an external 2.5" hard drive?
Seems to me the hard drive based MP3 players do pretty good running off of a battery.

lattesurf · #15 (**permalink**) 14th Nov 2006, 6:17 pm

paulm64 , there are external power supplies running off batteries, can be the normal disposable batteries or internal batteries which needs charging.
I'm not very sure about the power requirements of the external hdd, but it should be somewhere between 4.35V-5.25V and upto a maximum of 500mA. See This.

paulm64 · #16 (**permalink**) 14th Nov 2006, 8:39 pm

Ah. Gotta love Wikipedia!

I wonder if something like this would work as a powersupply for a 2.5inch HD?

http://cgi.ebay.com/Rechargeable-Bat...QQcmdZViewItem

lattesurf · #17 (**permalink**) 14th Nov 2006, 9:21 pm

i checked the ipod's battery charging specs, is a 5Vdc 1A.
So theorectically, this battery pack should supply approximately 5V 1A.

Since an external hard disk is powered by USB, which is approximately 5V 500mA. I guess it should be able to power the hard disk on its own.

But 1A and 500mA is alot of difference (enough to kill a person), gotta check up on your external disk's supply current rating. Too high and it might just fry your hard disk. :lol:

paulm64 · #18 (**permalink**) 14th Nov 2006, 9:25 pm

Actually, it should be ok. The drive will only draw the amount of current it needs. I may have to try one of these.
Only trouble is, my hard drive recently failed so I don't have a laptop hard drive at the moment.

pmilladcs · #19 (**permalink**) 3rd Feb 2007, 8:58 pm

i think we all knew that paul. but i guess this might be helpful for computer noobs.