TAG | Apple's USB power famine |
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| by Stephen Withers | |
| Thursday, 01 May 2008 | |
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Fast forward to the "April 2008" iMacs, and things have changed. There are still three USB ports, but only one of them can be used as a high-power port at any given time (source: iMac Developer Note, Apple). So if you upgrade to the new model, you may find that your old set of peripherals may not work correctly without the addition of a powered hub. This is especially likely to affect devices such as bus-powered hard drives (including iPods) and cameras, or configurations with multiple low-power devices connected via an unpowered hub.
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