The SATA-150/SATA-300 Jumper

Posted on 2009/08/01

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If you have a SATA hard disk, there’s a chance that you’re not using its full capabilities because of a setting that can be easily changed:

Because some SATA-300 hard disk drives don’t work correctly on motherboards with SATA-150 ports, some SATA-300 hard disk drives have a SATA-150/SATA-300 jumper (also known as 1.5 Gbps/3 Gbps jumper). The problem is that by default this jumper comes configured in the “SATA-150” position, limiting your hard disk drive performance if it is installed on a motherboard with SATA-300 ports. We will show you the performance impact of having a SATA-300 wrongly configured in a moment.

via Everything You Need to Know About Serial ATA | Hardware Secrets.

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