Hitachi 7.2K drive low write perfomance on iMac G5

Discussion in 'PowerPC Macs' started by Earl Urly, Jun 22, 2009.

  1. Earl Urly macrumors regular

    Jul 11, 2004
    Just picked up a Hitachi P7K500 3.5" 500 GB drive to use in a first generation iMac G5.. the machine has 2 GB of RAM, and the drive supposedly comes with SSC disabled.

    When I run AJA System Test, I get a great read speed avg. of 93 MB/sec, but write speed doesn't want to go past 30-31 MB/sec, no matter how I play with the settings. Should I jumper it down to 1.5 GB/sec or get their setup tool and enable write caching?

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