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How to check SATA I/O speed?

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Post time: 2014-01-14 12:11:11 |Show all posts
Expanding the Power Mac
I just installed a Seagate ST3160815AS 160GB 7200RPM 3Gb/s SATA drive(new system drive) into my G5 Dual 2Ghz PPC Power Mac(M9455-June 2004) with OS 10.5.8. This is an OEM bulk drive.
Is there a test or a way to verify whether this drive is operating at 1.5Gb/s or 3.0Gb/s?
I would like to know if there is a way to check for this. There are 4 "pins" located next to the SATA connectors and I'm not sure if I need to install a mini jumper/shunt to get the SATA drive to perform at the 1.5Gb/s rate or if that's even necessary. I plan on purchasing another of the same drive for cloning/backup purposes.
I look forward to your responses. Thanks in advance!
        Power Mac G5 Dual 2Ghz, Mac OS X (10.5.8), Pro Tools HD3, SNS Fibre Channel

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Post time: 2014-01-14 20:14:02 |Show all posts
Glen has you covered, thanks Glen!

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Post time: 2014-01-14 18:41:22 |Show all posts
last link got split up,
something like this might help

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Post time: 2014-01-14 17:12:34 |Show all posts
/Applications/Utilities/Activity Monitor.app has a real-time display of various performance measures, including read/write to the hard drive but it does not let you record the data, it just updates the values at specified intervals.
freeware Xbench utility does some drive read/write speed tests, along with other CPU and graphics tests

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Post time: 2014-01-14 15:12:34 |Show all posts
Thanks, that's what I thought. I tried checking Apple System Profiler and Disk Utility but nothing actually shows the I/O speed of the attached internal SATA drive. Do you know if the Console or some third party app would show this?

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Post time: 2014-01-14 13:43:07 |Show all posts
Hi Armando,
If it's working at all it's working at 1.5 Gb/s. That is the limit of the G5

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