Can't choose Raptor as boot disk

Just got my BTO Mac Pro yesterday. I installed a 74GB Raptor to format as a startup disk, but the OS X installer says I can't boot from that drive and thus can't install OS X on it. Is it because it is only 1.5Gb/s, does it have to be 3Gb/s? I can't find any documentation on this site for boot disk requirements.

There was a problem with the original firmware in the 150GB Raptor and booting from a stripped RAID on G5s. I know that isn't your situation, but these things can be tricky.
There are people using the 150GB Raptor on Mac Pro.
There is no restriction on using 1.5Gb (SATA 1.0) drives, and people have moved their older SATA drives and they do work.
The WD Raptor 74GB - which firmware and how old? did you use it in your G5?
The 74GB model doesn't use NCQ but a WD flavor of TCQ.
Also is not a true native SATA drive but used a bridge.
I'll have to look to see if it has only the old 4-pin molex power plug or if it has the new SATA power connector as well (most WD drives have both).
Did you go into Disk Utility first to format the drive?
And it sees it but won't?
First thing I would do, and worked sometimes on G5s, was to just reboot and then try again as sometimes a drive would then be available.
Are you doing an ERASE and INSTALL? and is there anything on the drive now?
If it is new, make sure it is the latest, and WD has also now come out with a new 74GB based on the 150GB model, that has 16MB cache.
Western Digital Raptor WD740ADFD
G4 MDD WD 320 OEM 9600 1.75GB SoftAID 3 Mac OS X (10.4.7) Mac Pro "rev 2" (hopefully)

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Hi all,
I've got a Macbook Pro and I had recently upgraded OSX from 10.9 to 10.10 beta. Without thinking it all the way through, I decided to perform a complete reformat to remove any files left over from the previous version upgrades. So, I rebooted and held cmd button + R, and I erased the main partition. The option to install a copy of OSX 10.10 fails because I'm assuming it's not on Apple's servers, yet, since it's still beta. The problem is, I cannot choose to install 10.9 from that screen - it only offers 10.10. I can no longer boot into OSX, since I erased the partition.
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What can I do in this situation? I don't want to have to go into an Apple store, because I live a long way away from one. Is there a way I can obtain an ISO to create the boot disk? Or, is there maybe a way to simply choose a different OSX version at that reformat screen?
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I don't think you can do anything helpful with a Windows machine. Mac App store wants to read your Mac's model number and your Apple-ID.
Exactly which model MacBook Pro makes a big difference.
If yours has Internet Recovery, you should be able to hold down:
Command-Option-R
at startup until a globe appears on your screen. From there, you should be able to re-Install Mac OS X, and it is supposed to be the version that came on your Mac.
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Could anyone please advise me? The 250 GB Western Digital Caviar hard drive I installed in my first generationn dual 2GB G5 recently and partitioned for static storage and scratch disk for Photoshop definitely runs slowly. I'm thinking of moving it into an enclosure and replacing it with another. Many people recommend the 74MB 10,000rmp Western Digital Raptor. Anyone here got any experience of it please?
Should i make it my boot disk and move the applications and OSX onto it, or should I keep my Seagate Barracuda 160MB original drive as the OS/boot/application disk and use the Raptor for a scratch disk for Photoshop, or use the seagate as the secondary disk? What's the best
way of doing all this?
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I didn't know that about CS2 (which is the version I'm running). Thanks for that. I have 3.5 GB RAM, so it runs quite fast anyway, but a few tasks still take a little while.
Thanks for info re the hitachi too. I'll look at that. This has been really helpful. i wanted to flag it as helpful, but the option has gone and I have only a solved button.
Veda - the scratch disk arrangement has far more
utility with Photoshop releases PRIOR to CS2. CS2
utilizes memory far more than the hard drive - thus a
scratch disk does not provide much, if any
improvement, with CS2.
That said, I have used the same 74 GB Raptor in my
Dual 1.8 and now my Quad with no problems - really
like it. I now have about 55GB of applications - so I
may upgrade to the newer model soon. The new Hitachi
500 GB/16MB cache is getting excellent reviews for
performance and massive storage - you may want to
look into that as well.
Cheers

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Let me see if I have this straight:
You want to partition your boot disk. That's it right?
All you need to do is clone your boot drive to another partition, disk, external, etc. You can use either superduper! (recommended), carbon copy cloner, or even just use osx disk utility.
http://www.shirt-pocket.com/SuperDuper/SuperDuperDescription.html
http://www.macupdate.com/info.php/id/7032/carbon-copy-cloner
Once you clone your boot drive, make sure it boots up first. Then if everything is good, re-partition the boot disk (erase) into however many partitions you need in Disk utility.
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Take this with a grain of salt. You caught me on a grumpy day as yesterday I dealt with a melted external firewire drive.
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Still trying to figure this out. I erased the drive, did a format using disk util and then re-installed the system but I still cannot get the disk used as a startup drive. I also tried an external firewire drive and it won't allow me to boot from it either.
I can choose it starting up with the option key but it just gives me a blue screen and the spinning cursor.
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DaveLon

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SCSI Target Device @ 7:
SAS Address:    08:22:1B:06:68:8E:6A:50
SCSI Target Identifier:    7
SCSI Peripheral Device Type:    0
Manufacturer:    ATA
Model:    ST3750640NS
Revision:    K
SCSI Logical Unit @ 0:
Capacity:    750.16 GB (750,156,374,016 bytes)
SCSI Logical Unit Number:    0
Model:    ST3750640NS
Revision:    3.AEK
Serial Number:                3QD1EKCX
SATA Device:    Yes
Removable Media:    No
Detachable Drive:    No
BSD Name:    disk0
Bay Name:    "Bay 1"
Partition Map Type:    GPT (GUID Partition Table)
S.M.A.R.T. status:    Verified
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Capacity:    209.7 MB (209,715,200 bytes)
Writable:    Yes
BSD Name:    disk0s1
System:
Capacity:    749.81 GB (749,812,400,128 bytes)
Available:    740.53 GB (740,534,325,248 bytes)
Writable:    Yes
File System:    Journaled HFS+
BSD Name:    disk0s2
Mount Point:    /Volumes/System
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SCSI Target Device @ 4:
SAS Address:    3A:22:1B:06:64:97:73:4B
SCSI Target Identifier:    4
SCSI Peripheral Device Type:    0
Manufacturer:    ATA
Model:    ST3750640NS P
Revision:    BUF
SCSI Logical Unit @ 0:
Capacity:    750.16 GB (750,156,374,016 bytes)
SCSI Logical Unit Number:    0
Model:    ST3750640NS P
Revision:      3.BUF
Serial Number:                5QD1ATLS
SATA Device:    Yes
Removable Media:    No
Detachable Drive:    No
BSD Name:    disk1
Bay Name:    "Bay 2"
Partition Map Type:    GPT (GUID Partition Table)
S.M.A.R.T. status:    Verified
Volumes:
Capacity:    209.7 MB (209,715,200 bytes)
Writable:    Yes
BSD Name:    disk1s1
Bootable System Clone:
Capacity:    749.81 GB (749,812,400,128 bytes)
Available:    739.98 GB (739,979,878,400 bytes)
Writable:    Yes
File System:    Journaled HFS+
BSD Name:    disk1s2
Mount Point:    /

I thought maybe the volume header was toast for that drive, but bless indicates it's okay...
admin$ bless --info "/Volumes/System"
finderinfo[0]:    287 => Blessed System Folder is /Volumes/System/System/Library/CoreServices
finderinfo[1]: 379380 => Blessed System File is /Volumes/System/System/Library/CoreServices/boot.efi
finderinfo[2]:      0 => Open-folder linked list empty
finderinfo[3]:      0 => No alternate OS blessed file/folder
finderinfo[4]:      0 => Unused field unset
finderinfo[5]:    287 => OS X blessed folder is /Volumes/System/System/Library/CoreServices
64-bit VSDB volume id: 0x371188F36F6E2755
Still digging...

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