Hard Drive Placement -- Does it make a difference?

Hi,
I just got a new 2.66 Quad. It has the factory 1TB as a boot drive and a 1TB and 750 that came out of my old MacPro G5. I want to replace the 750 with a 1.5 and fill the empty bay with another 1.5. (I will partition the 1.5's so that I can use the external 750's I already own for external back ups.)
Does the Mac care about the order in which I place the drives in the 4 bays? Am I correct that it will look in the front bay for the boot drive? (I know I can change boot drive in system preferences, but I'm curious as to whether the order in the bays makes any difference at all.)
Thanks.

The Hatter obviously did not read your post.
I have a Dual-Quad-Core 2.93GHz Intel Xeon system. I upgraded from a G4-400 (Sawtooth). All Power PC applications run just fine, although they all use Rosetta technology to emulate the Power PC. Snow Leopard will allow you to optionally install Rosetta, so your applications are fine.
Rosetta will require about double the system RAM per application that the application needed with a Power PC system. Intel-native applications and those written for either will not need the extra RAM. Intel-specific and Universal Binary applications will take better advantage of your system's processors.
I have booted my Mac Pro from any one of three hard drives in four hard drive bays. My current system has a Leopard startup drive in the third bay, a Snow Leopard system in the fourth bay (for testing) and a Leopard system in the first bay. The first bay is the closest to the front of the computer. I have a 1.5T aftermarket WD drive in the second bay that is my Time Machine drive. First bay has the Apple-installed 1T drive. Third bay has a 1T SATA drive out of my G4-400 system (which I installed an SATA drive controller card into so that I could move to SATA). Fourth bay has a .5T SATA drive (originally in my G4-400) that I use for testing purposes and any beta testing I am doing.
Your Mac Pro will also start from an external drive chassis, assuming you have an e-SATA or Fibre card installed in your Mac Pro (and I have done that a couple of times).
To determine what drive should automatically start your computer, open *System Preferences* and click on *Startup Disk*. Any drive with a valid System Folder will appear in the list of drives, as well as a "network startup" icon (that will have a question mark if your system cannot see a network boot configuration). It is this preference that will determine the order in which your system will try to find a valid System Folder.

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If you need more assistance or direction, please post back.
Please click the white KUDOS star to show your appreciation
Frank
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This is a user supported forum. I am a volunteer and I don't work for HP.
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is your mute switch turned on (above the volume) ? remove case and screen protecter.
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account security
Please call apple @ 1-800-692-7753 in USA
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check # for your country
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<Edited by Host>

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Johnathan Burger wrote:
IiTunes user agreement:
The iTunes Service is available to you only in the United States, its territories, and possessions. You agree not to use or attempt to use the iTunes Service from outside these locations. Apple may use technologies to verify your compliance.
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Hard Drive Placement -- Does it make a difference?

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