October 2004
Intermediate to advanced
304 pages
7h 44m
English
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Hack #61. Kick It Up a Notch with Serial ATA
Upgrading to Serial ATA will stomp all over UDMA-5's 133 MBps performance.
Disk drives using the new Serial ATA (SATA) data interface could deliver data throughput performance enhancements 12%, 125%, and even 350% higher than today's fastest UltraIDE-133 disk drives. We won't see these phenomenal (+125-350%) improvements as long as SATA interfaces on the system board continue to use the lagging PCI bus, but some motherboards with built-in SATA interfaces provide an alternative bus for higher performance. You can get that extra 12% boost today with Serial ATA-150 adapters, like Promise Technologies's SATA150 TX4 and SATA150 TX2Plus.
Tip
Newer chipsets, such as the Intel 865PE, provide a separate data bus dedicated to faster storage devices. (For example, the 865PE provides a 150 MBps bus for Serial ATA.)
Serial ATA devices have spindle speeds and access times similar to the drives we're already used to—7,200 RPM and 8.5 milliseconds. As drive manufacturers adapt their faster 10,000 and 15,000 RPM SCSI or Fibre Channel drive products with 4.7 and 3.6 millisecond access times to SATA, we begin to see a true performance enhancement for storage on everyday desktop systems. Still, various performance tests would lead us to believe that we could already achieve a 20% performance boost in data reading by switching to SATA—an improvement worthy of serious consideration.
The best way to achieve a storage speed boost using SATA drives today is to use ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.