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Maximum external and internal HD size with iMacs

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Walter Miale
Maximum external and internal HD size with iMacs
on Dec 28, 2009 at 7:14:47 am

I'm not sure whether to post this here or on the FCP forum. Will try here first.

I'm running a c. two-year old Intel 2 GHz Intel Core Duo and booting off an external 500 Gb FW drive running Leopard (and sometimes off a 250 Gb internal drive running Tiger).

A few months ago two Seagate external drives (a 1500 Gb and a 500 Gb) were behaving erratically, and I was advised that Apple machines or OS's have difficulty with FW drives bigger than 1000 Gb. To its credit Seagate replaced both malfunctioning drives and agreed to give me two new drives (a 1000 Gb and a 500 Gb) to substitute for the 1500 Gb. Since then the system operates OK, except when I switch on other FW (400) drives daisy chained on without shutting down the unit first.

MY QUESTION: At this time, running Leopard (preferably) or Snow Leopard, can I add or substitute 1500 Gb or 2000 Gb FW drives for either the external boot drive or the external storage drives (or the internal boot HD) without erratic behavior? AND ANOTHER QUESTION: How many FW drives can I run without compromising stability?

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