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USB Drive that simultaneously connects to more than one computer

I have a device with an usb hard key inside,and I want to have an usb update interface used to update the usb hard key outside the device. i don't know how to do...

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what i think is very simple,like i disconnect the usb cable form my device then connect it to my computer to upgrade.i just don't want to open the device and disconnect the cable every time when i decide to upgrade – Anonymous Nov 9 '10 at 8:36
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migrated from stackoverflow.com Nov 10 '10 at 0:27

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closed as exact duplicate by Ignacio Vazquez-Abrams, studiohack♦, Diago Dec 24 '10 at 15:18

This question covers exactly the same ground as earlier questions on this topic; its answers may be merged with another identical question. See the FAQ for guidance on how to improve it.

1 Answer

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What do you call a "hard key"? If it's a hard disk and so that USB device is a storage device: you can't. You would need a NAS server in your network, able to share the device as shared folder over IP.

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thanks,it's a dongle, – Anonymous Nov 9 '10 at 8:26
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