Early 2008 Mac Pro boot issue

I'm having what seems to be a hardware issue with my Mac Pro on booting. The MP boots to either a blue screen or a chunked grey screen (http://gallery.me.com/dwphoto#100036/IMG_1401) and hang. So far, I've tried booting from multiple clones (from 10.5-10.6.6) as well as the Snow Leopard install DVD, reinstalling SL, removed all 3rd party cards and usb/firewire externals, zapped the PRAM, repaired permissions, verified disks. It will boot into Safe Mode without problem. If it hangs on normal boot, all the drives are visible and active over a network. I'm pretty stumped.

They were reluctant? I hope you printed out the Apple article. Unbelievable.
What I would like would be a link at the top of this forum and more direct access (and we all want better organized and search results to KB articles).
There ought to be "newest changes KB" and a Warranty category
http://www.apple.com/support/macpro

Similar Messages

How do I fix my early 2008 mac pro boot hard disk. Lost everything when it crashed hard, can not reinstal via cd/dvd drive... are there any fix get it boot from dvd drive?

I have an early 2008 MAC PRO Quad Core 3.0ghz processor. 8 Gig of rams, with a 1 Gig memory Radeon 5770 HD Graphic Card running the latest Version of Snow Leopard OS. Last week lighting struck the house take out all of my hard drives (4) thank god the surge protector mitigated the mother board from damaged, use the Parted Magic to check out the motherboard and it intact with no damage. I can boot with the Parted-magic and be able surf and post this question to this forums. I replaced a newly formatted hard drive and trying to installed OS X Mountain Lions to the new drive, but unable to have it boot in my MAC PRO DVD, I get the usual chimes during the booting processed but the screen remain blackout, but able to boot with Parted-Magic to surf the web and access Apple sites/forums.
I am not well verse in using the Parted_Magic to repair or get my-mac to boot normally so I can reinstall OS X. Any help would appreciated.
Thank you
Disabled Veteran.

Go to System Profile and look, does it say "MacPro3,1"?
That is 2008.
FBDIMM would be 800MHz. Did you use older slower 667MHz in yours?
You can but take a hit in performance.
Sounds like MacPro1,1.
Mac Pro (3.0GHz quad core (dual CPUs) 8GB 667 RAM)
In 2007 March an 8-core 3GHz did come out 2,1.
So just to be clear.
===========
It was all working fine a couple of days ago. At the time it randomly shut down I was trying to use Boot Camp to create a Windows 7 area,
Whenever you want to install Windows, remove all the drives other than the one Windows goes to. And if you use a dedicated drive YOU DO NOT NEED Boot Camp Assist, unless you use XP, which really is limited and crippled (one processor, 1.9GB RAM support).
And when it freezes, your only choice is to nuke (reformat) and restore or get out that backup CLONE you made before (ie, Step #1 in the Boot Camp Guide).
Sure that whole NTFS / MBR / GUID could be an issue, but you should just have a blank drive or clone.
No don't bother Apple, they seem to not have a good sense about Windows on Mac Pro anyway.
Other than zap pram from cold boot / tried booting with NO drives inside and just 10.6. DVD - should be fine.
You should be fine iwth Windows 7 DVD and one drive, or even XP.
Make sure you take your time and reconnect cards etc properly and any cables.
Booting from OS X DVDs may not work if there is a drive with a totally shot directory or partition table. Put them in FW case and turn on AFTER OS X is booted.
Why aren't people Cloning as a Backup Strategy
Carbon Copy Cloner 3.4.2
How To clone

Early 2008 Mac Pro 3,1 Mystery Logic Board/GPU Issue

I recently received an Early 2008 Mac Pro 3,1 for free because the owner couldn't figure out what was wrong with it. It would boot up with the startup chime, but never output any video, and kept rebooting and replaying the startup chime. Using the diagnostic LEDs on the logic board, I was able to see that the Power Good LED (LED 7) and the EFI LED (LED 9) were both on, but the GPU LED (LED 8) never lit up. After trying all the PCI slots and confirming that the graphics card worked in another Mac Pro, I confirmed it wasn't the graphics card. I then tried a different power supply and different power supply cables, different RAM, different RAM boards, but still nothing. (Note: I also went through all the usual stuff: Power Cycling, PRAM, SMC Reset)
I then ordered a replacement logic board (used from eBay) and spent the weekend swapping out the logic board. After the swap, the Mac Pro STILL won't output video, and now the EFI LED (LED 9) won't even light up. Tried resetting the EFI Firmware via a CD, and still nothing. Does anyone have any idea as to what the issue could be? I'm 95% certain I plugged everything back in correctly on the board, but I don't know what else to do other than tear it apart again to confirm everything is plugged in. The only other thing I can think of is that the second logic board I received was also bad.
Please help!!!

Your problem sounds like a graphics card problem to me.
confirming that the graphics card worked in another Mac Pro,
Was this also a Mac Pro 2008 model? was it running the same Mac OS X version as you are testing? what version?
what graphics card are you trying to use? Genuine Apple or flashed PC or unflashed PC? what Mac OS X version?
That second board sounds Bad to me if it won't say EFI-OK.

Early 2008 mac pro won't boot from hdd when ssd is installed

I have Mountain Lion 10.8.3 installed on my 1TB HDD in my early 2008 mac pro. That is the only OS install on my mac. I have an OWC SSD formatted but left as an empty drive that I am trying to use but when it's installed my mac hangs on the blank gray screen.
My mac cold boots fine and runs fine when the SSD is *not* installed. When I shut down and put the SSD into a drive bay the mac does seem to boot ok the first time, but when the computer is off for a while it will not boot. It just hangs on the blank gray screen (no apple logo). As soon as I pull out the SSD, the computer boots fine and runs fine again. I am not trying to boot off the SSD, I am booting off the HDD. The correct drive (1tb hdd) is selected in startup disk.
OWC has been helping me and I have tested 3 SSD's. So it does not appear to be a problem with their drive.
The mac will boot into safe mode with the SSD installed. It will boot if I choose the boot drive with the option key at startup.
Mountain Lion was clean installed.
Could it be some sort of library pref or cache issue?
Any recommendations on what to try?

A HT does not find a lot of errors.
It doesn't look for bad sectors or directory or file problems.
Clone your SSD now that you have a clean OS and has the Apple updates on it. Before you make changes.
Install TRIM Enabler 2.2+ on it and any boot volume, to enable TRIM and so that Disk Utility's Repair Disk will trim cells. Mountain Lion Recovery won't which is a shame, so...
Clone and keep bootable backup clone of your system to use for maintenance.
A really bad directory on a system drive will cause interference from booting.
SSDs really need extra care, and even with TRIM, to be repaired from time to time and couple times a year, to do an erase and restore from a current image.
Of course Mac OS system even iwth apps is small and doesn't need to have any data or media and fits on 120GB usually just fine and still have a good enough amount free so TRIM and Garbage Collection can work properly and not get low on free pages. But 20GB free should be the minimum free, and better to have more, at least whatever total amount is written out in a month.

I have an early 2008 Mac Pro, which has re-booting problems. Also what does the spinning beach-ball indicate?

Hi, I have an early 2008 Mac Pro which has re-booting problems.
Processor speed is: 2.8
Memory: 2GB 800 MHz DDR2 FB-DIMM
2 x 28GHz Quad Core Intel Xeon
I am running OSX Yosemite Version 10.10
My Mac Pro keeps re-booting. Last year I had to replace my graphics card. My original card was the ATI Radeon HD 2600 XT 255MB, and that is what I have now. At this precise moment my Mac Pro is running perfectly, except that it is slow and the spinning beach-ball keeps appearing. I have managed to do some work with the disk utilities, verifying, cleaning and partitioning. Some errors were found and when it was cleaned this seemed to help my Mac Pro to function properly. Although I am able to use my Mac Pro now, from day to day I still experience re-boot problems. Also quite unexpectedly my mac dictionary has an error, it closed itself down and will not open at all, I had the message to say that a report will be sent to Apple.
I have tried starting my computer with an external hard drive fitted via a USB cable, I use for back-ups. This worked and I was able to wipe my hard drive clear and replace all info from the back up I had done only a few days ago.
This worked for a few days and then the same problem started again.
I am beginning to wonder if I need to buy a new hard drive.
If there is anyone who has some answers to help me solve my problem, I would be most grateful.
Robert

When you have the beachball activity, note the exact time: hour, minute, second.
These instructions must be carried out as an administrator. If you have only one user account, you are the administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad and start typing the name.
The title of the Console window should be All Messages. If it isn't, select
          SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
          View ▹ Show Log List
from the menu bar at the top of the screen.
Each message in the log begins with the date and time when it was entered. Scroll back to the time you noted above.
Select the messages entered from then until the end of the episode, or until they start to repeat, whichever comes first.
Copy the messages to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of it useless for solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
Some private information, such as your name, may appear in the log. Anonymize before posting.

With Boot Camp, should I install the 64 bit version of Windows 7 (Home Premium edition) OR the 32 bit version when installing onto an early 2008 Mac Pro operating OSX Lion with a 1 TByte internal HDD?

With an early 2008 Mac Pro I'm about to add a second internal drive (1 TByte SATA) and initially install OSX Lion onto the new drive. Then to partition this new HDD via Boot camp. But my question is whether I am best advised to purchase the 64 bit version of Windows 7 (Home Premium) or the 32 bit version of Windows 7 (Home Premium) for the Windows sector of the disk What are the differences, and will I notice a difference in performance?

In chart from wiki, (scroll down to "Comparison chart") check the maximum CPUs supported.
You don't see this on MSoft's 1st searched for chart hit. This is one reason you will regret not paying for Professional+ if you get Home Premium 64 as I did for Mac Pro early 2008.
Home Prem Task Mgr sees 4 processors vs. the 8 that are seen by Pro+.
Costs more than a Mac upgrade to Lion if you make that mistake.
http://en.wikipedia.org/wiki/Windows_7_editions

Installing OS and Apps on SSD boot drive on early 2008 Mac Pro while keeping all other data from old iMac on hdd

So I've just got myself a early 2008 Mac Pro with a OCZ RevoDrive 80GB PCIe SSD to replace my old iMac which is slowly but surely giving up on me. I want to put my OS (mavericks) and some/all (whichever is possible/easier) apps, both apple and 3rd party, from my old iMac, onto the SSD but keep all my other data on the 2TB HDD, also from my old iMac, in the mac pro. Can anyone tell me how to do this/if its possible? (not massively tech savvy so simpleish language and steps would be handy!) Thanks!

How to use an SSD with your HDD
If you are going to use an SSD as a boot drive together with your existing HDD as the "data" drive, here's what you can do.
After installing the SSD you will need to partition and format the SSD using Disk Utility. Then, install OS X on the SSD. After OS X has been installed boot from the SSD. Use Startup Disk preferences to set the SSD as the startup volume.
Open Users & Groups preferences. Click on the lock icon and authenticate. CTRL- or RIGHT-click on your user account listing in the sidebar and select Advanced Options from the context menu. You will see a field labeled "Home dir:" At the right end you will see a Change button. Click on it. In the file dialog locate the Home folder now located on the HDD (HDD/Users/account_name/.) Select the folder, click on Open button. Restart the computer as directed.
When the computer boots up it will now be using the Home folder located on the HDD.
Another more technical method involving the Terminal and aliases is discussed in depth here: Using OS X with an SSD plus HDD setup - Matt Gemmell. This is my preferred approach because I can select which of the Home's folders I want on the HDD and which I don't want. For example, I like to keep the Documents and Library folders on the SSD because I access their content frequently.
Be sure you retain the fully bootable system on your HDD in case you ever need it.

Early 2008 Mac Pro - Can't load Boot Camp drivers for Win 7 64

Trying to install Win 7 64 bit on my early 2008 Mac Pro. I downloaded the Boot Camp drivers 4.0.4033 and installed them on a USB drive but, for some reason, when I try the install them during the process, I get a message that my hardware is not recognized. Skipping the driver loading process, I am able to install Win 7 but when the system trys to restart to continue the install, I get a message "disk error, press any key to restart". Pressing any key does not get me anywhere. I went through the Win 7 repair process and again tried to load the drivers with no luck.
Any thoughts would be appreciated.
Thank you,

That article was also my starting point and I have followed those steps again and again and again. I haven't slept, I haven't done anything other then try to make it work for more hours than I can count. I came here for help because that solution is not working for me.
The region and keyboard type settings simply don't have the Apple keyboard layout listed. As I said, someone on the Fusion forum tried to follow the article's instructions too and he managed to get it working because he COULD run setup.exe (Boot Camp Drivers) on his machine, and I CAN'T. Yes, it is all explained in that article... but the drivers WON'T INSTALL, I get an error message saying "This version of Boot Camp is not intended for this computer model".
First you said it wasn't physically possible for me to install the drivers, then you said I should just follow the article. Well, the article clearly says "Install the Boot Camp Windows device drivers in the virtual machine" which you just said couldn't be done! I want to cry. I should have just bought a second laptop, this is too painful.

Early 2008 Mac Pro Won't Boot

I have an early 2008 mac pro that will not boot. Power turns on, power LED turns solid, but no display ever comes up and it never chimes. I have tried swapping out RAM, hard drives, disconnecting all peripherals... any other suggestions? Dead logic board?
... and yes, I was too dumb to buy the AppleCare. Stupidest move I have ever made...

Hi I think I have a similar problem.
My Mac Pro 8 core doesn't start up. When I turn it on here's what it does: the boot up sound > the grey/white screen with the apple logo and the little turning gear thing > then it freezes.
Sometimes after that the screen either goes blue with nothing but a mouse pointer that's moveable. but no login window. I can access the hardrive by network and weird enough it's booting on safe mode. I tried setting the SMC firmware but it didn't work. I took it to an apple store and when they plugged it into their displays it worked. When I brought it back, I plugged it into my Cinema Display 30" and the same problem started again. I reset the SMC firmware again and tried different displays I have at home but had the same problem. I plugged the 30" display into a Macbook Pro and it worked fine so I know that the display is not the problem. I've heard the the Nvidia 7300GT has caused problems but why would it work in the apple store? Any help out there?

Why are there so many problems with the early 2008 Mac Pro ???

Hi everybody out there using Mac Pro's early 2008,
I found out there is a lot of problems with the early 2008 Mac Pro.
My early 2008 Mac Pro has been repaired ones under warranty and now it stopped working again ! Also see under: Mac Pro early 2008 no chime and does not start up. Why is this ????
It worked well for about 2 years and then it just fails and i had this failing issue twice already !!! Is this just a BAD Apple product or how do you think I need to approach this. Let’s face it, these machine don’t come cheap and you at least expect them to work without problems for 4-5 years. What is happening here ???
Cheers, Kavango

go to a black screen after 15 minutes or a couple hours
That is probably an indication that you need to find a new graphics card.
RE: Mac Pro Replacement Graphics cards
1) Apple brand cards,
2) "sold in the Apple store" cards, and
3) "Mac Edition" cards ...
... show all the screens, including Boot up screens, Safe Mode, Installer, Recovery, debug screens, and Alt/Option boot screens. At this writing, these choices include:
1) Apple brand cards:
• Apple-firmware 5770, about US$250** works near full speed in every model Mac Pro, Drivers in 10.6.5
• Apple-firmware 5870, about US$450
2) "sold in the Apple store" cards
• NVIDIA Quadro 4000, about US$1200
• NVIDIA Quadro 5000, about US$2500
3) "Mac Edition" cards -- REQUIRE 10.8.3 or later:
• SAPPHIRE HD 7950 3GB GDDR5 MAC Edition, about US$480** Vendor recommends Mac Pro 4,1
• EVGA GTX 680 Mac Edition, about US$600
The cards above require no more than the provided two 6-pin aux power connectors provided in the Mac Pro through 2012 model. Aux cables may not be provided for third-party cards, but are readily available.
If you are Meet ALL of these:
• running 10.8.3 or later AND
• don't care about "no boot screens" etc AND
• can re-wire or otherwise "work out" the power cabling, THEN:
You can use many more cards, even most "PC-only cards"

Problem on my early 2008 Mac Pro

I had this problem with my early 2008 Mac Pro which started last week.
Some background; I'm using 8GB RAMs, using Snow Leopard and bootcamp Windows 7 and 3 days before the start of the problem, I had replaced the original 320GB HDD for 640GB HDD and reinstalled both OSes.
While I was playing some videos in Windows 7 last week, it displayed the blue screen with memory dump message and restarted on its own. Thereafter, I was unable to load Windows 7 and SL respectively, both hung before they can be loaded. In SL, I noticed that there were some faint red dots in the Apple logo and subsequently, the entire screen started to flicker with some random black and white strips. In Windows 7, it frozen at the Windows logo with a 640x480 resolution. My default resolution was 1920x1200. However, I managed to loaded into the safe mode of Windows and extracted my work.
I tried to re-install SL and it hung again at the Apple logo followed by the flickering.
I sent it to my local service centre and the technician removed my video card, RAMs and memory risers and cleaned the contact, ran the stress test overnight, AHT3A152 and ASD3S123 tests and concluded that he found no issues with the hardwares and the problem did not occur again.
The Mac Pro was sent back to me today and earlier, I started up with no problem and decided to remove the Windows partition and I restarted it again to confirm everything was ok. However, at the next startup, the problem re-surfaced and I could no longer start up my Mac Pro in SL.
I tried to swopped back the original 320GB HDD, but the problem still persists. Before I send back my Mac Pro to the service centre tomorrow, I would like to have some 2nd opinions. Based on my description, what is the likely cause of this problem, is the newly replaced 640GB be the root cause?

Do you keep Windows on its own hard drive?
I would have kept the 320GB while using Windows WD Lifeguard to test, zero, run extended tests and slow long format of the new WD 640. Then just cloned system to new drive.
Casper 6.0 seems to be great utility if you want to avoid reinstalling 7, though I've found 7 to be fast and easy to install even with dozens of programs to add.
Are you using the current / latest graphic driver for 7? I don't notice you even list which card.
RAM - there is no perfect test, AHT finds some while Memtest takes time and may find others.
Windows may be more sensitive to weak hard drive sectors and memory than Mac OS or than HFS+.
Do you have any 3rd party devices? PCIe? Cables etc?
And you can't boot off Windows 7 DVD or Safe Mode?
Windows should automatically offer to boot in Safe Mode.
Also, try restore from last good restore point.

External desktop drives for early 2008 Mac Pro: USB 2.0 or 3.0 question

I have an early 2008 Mac Pro 3,1 (OS 10.6.8).
I currently have a 1 TB Fantom Drive with USB 2.0 that I use for the Time Machine. I want to get the second external drive to use as a boot drive so I can install & boot from Mountain Lion to use Maya 2014 3D application software that requires the Mountain Lion OS. For all other applications, I want to stick with Snow Leopard (10.6.8), which works well for me.
Most of the searches I've done for external drives have USB 3.0. Some have USB 3.0/2.0.
Questions:
1. Will one of the USB 3.0-only external drives work with my early 2008 Mac Pro 3,1, which is only equipped for USB 2.0? If so, would I need some sort of adapter? (I realize that the speed would still be USB 2.0 speed.)
2. Or do I need to get the USB 3.0/2.0 external drive (which is more expensive)? I am assuming this would not require any adapter.
3. Will I be able to boot from the external drive with Mountain Lion?
Thanks for any help with this.
S

First, many thanks to both Grant Bennet-Alder and The hatter for their fast responses to my questions. I really appreciate this information. Based on your suggestions I did some research in order to better understand the proposed solutions.
Grant Bennet-Alder wrote:
You can add a PCIe card to get these interfaces:
eSATA
USB-3
1. Does one need to get a separate PCIe card for each interface, or is there one PCIe card for multiple interfaces?
The hatter wrote:
Installing or cloning OS X should be done on SATA II drive bay or external and then moved to the PCIe - depends what card you buy, and some issues are with arrays (no need for system on one).
2. I went to http://www.everymac.com/systems/apple/mac_pro/faq/, which says, "By default, a single 3 Gb/s Serial ATA -- sometimes referred to as SATA 2.0 or SATA II -- hard drive is installed in the first of four bays for all models." I interpret that to mean that SATA II is a in the first bay located on my internal hard drive. Can I create a partition here and install Mountain Lion as a separate system, and then move it to a PCIe SSD?
3. Or, can I install it on my external Falcon Drive (which has a Partition Map Scheme : GUID Partition Table, and which, I believe means it is not a bootable drive). Following that installation could I then move it to the PCIe SSD and boot Mountain Lion from there?
4. Or, if partitioning is an option, can I just clone it to the Falcon Drive for backup?
My apologies for my ignorance. This is not my forte. Thanks for any help you can give.

Early 2008 Mac Pro

For some reason following booting up my Early 2008 Mac Pro running 10.8.2 Mountain Lion will NOT recognize my external hard drive connected via USB nor will iTunes 10.7 recognise both my iPhone 4 & iPad 2.
I upgraded to Mountain Lion yesterday and everything worked fine until booting this morning.
What is going on?
Thanks.

No the external drive does not appear in Disk Utility.
Also wondering why iTunes cannot see either my iPhone 4 or iPad 2, both connected via USB on the front of my Mac Pro?
The difficulties I am experiencing are similar to what occured when I first tried to upgrade to ML. Back then, shortly after ML's release, post install ML would switch off my Apple keyboard.
I have waited since then for a fix, and had hoped the issue to have been resolved by 10.8.2. It appears only partially resolved.
In the end the Apple employee at the Genius bar re-installed Lion and mentioned that after a Google search other Apple users with the same model as mine were reporting the same issues.
I may have to return to my AppleStore to have Lion reinstalled post a clean wipe of the ML HDD.

Early-2008 Mac Pro startup - sometimes it does, sometimes it don't.

I have an early-2008 Mac Pro running Mavericks. Having issues with start up - powering up is intermittent - sometimes it does, sometimes it don't. I have had some success by unplugging it overnight, and it boots up once plugged back in the AM. I have been able to restart and zap the PRAM; I have also changed the battery. Thoughts?

You could have a problem with file corruption or your hard drive is going south. I would try moving your system to another hard drive then set that drive as the startup. See if the problem is resolved.
You can also try reinstalling Mavericks:
Reinstall Mavericks without erasing drive
Boot to the Recovery HD:
Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu.
Reinstall Mavericks
OS X Mavericks- Reinstall OS X
Note: You will need an active Internet connection. I suggest using Ethernet
if possible because it is three times faster than wireless.

Early 2008 Mac Pro Raid + Radeon 4870

So far this has been a very disappointing experience in upgrading to SL!
I have an early 2008 Mac Pro with Apple software RAID as my boot drive, SL of course is not seeing this as a possible install drive as others have experienced. I have tried to boot directly off of two different SL retail upgrade disks but the installer crashes every time (I've verified that the drive boots off of other disks). I'm starting to suspect that it may be an issue with the Radeon 4870, has anyone else with a similar setup had any success in upgrading to SL? I'm going to try installing the original video card to see if that helps, otherwise it looks like I will be doing an install to a new hard drive from within Leopard.

I've got a 2006 Mac Pro, the first gen one. I've got a flashed PC 4870 and a three disk software raid of 640GB Western Digital HD's, Model: WDC WD6400AAKS-00A7B0. When I ran the install disk from Mac OS, I couldn't install to the raid, it didn't show up as a volume that could be installed to. However when I restarted from the DVD I had no trouble installing onto the raid at all. The install finished without a hitch. I also ran an install to my Intel X25-E and didn't have any trouble there either. So I know it is possible to get the install to work with a raid and a 4870.
Obviously my setup isn't exactly like yours though. But that's the best I can do.

Early 2008 Mac Pro boot issue

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