If i used parallels in a mac pro take 16 ram is useful?

if i used parallels in a mac pro take 16 ram is useful?

erik193,
in Parallels Desktop, you’ll need to divide your RAM between your host OS (OS X) and your guest OS (e.g. Windows). How much RAM you should allocate to the guest OS will depend upon what you need to do in the guest OS.

Similar Messages

Can my Mac Pro take 800MHz RAM?

I recently purchased 2006 Mac Pro that had been modified with a 2007 mother board.
It came with 16GB of 667 RAM and I switched it out with 32GB 800 RAM.
However, in my "About This Mac" page it shows me to have 32GB 667 RAM.
Will my system no handle anymore than 667?
My serial number is: G8*****UPZ
Again, the motherboard has been replaced with a 2007 model.
<Edited by Host>

You are locked into the front side bus's 1333MHz. Generally 2,1 and 1,1 are identical except the 2007 and 2,1 firmware support for 53xx quad core, same socket and bus speed, and 667's have tended to be cheaper than 800MHz. Rare that someone would need 32GB and benefit from more unless they are running large images in CS4+ for one example. In which case a newer 2008 or later or iMac makes more sense.
The best improvement and upgrades are from one or more SSDs for system and your graphic scratch and image libraries, 500GB for less than $250, PCIe SSD (for scratch, not booting t he system).
The 2008's can use 667MHz and I thought that was where the differences and tests were done, not between 2007 and 2006 systems which both used 667MHz like mine is.

I am going to buy either a Mac Air or Mac Pro Retina 8GB RAM and 256GB. And as I have to still run Windows I will install Parallels 9. As the Mac are both 64bit machines does that mean I need to install Windows 7 64bit ? And office pro 2013 64 bit too?

I am going to buy either a Mac Air or Mac Pro Retina 8GB RAM and 256GB. And as I have to still run Windows programs I will install Parallels 9. As the Mac are both 64bit machines does that mean I need to install Windows 7 64bit or just install 32 bit? (Going with Win7 as I hate Win8). And I will install Office Pro 2013 64 bit too or 32 bit or is that automatically selected by the underlying OS (I use Word, Excel and Access mainly for a membership database of a local club) ? I am not a power user so would appreciate advice on way to go

Again thank you. If I only use word, excel and access in the Win environment and Mac OS for email and safari for internet do I need anti virus software . Ie my connection to the world is mac only and I use office pro only to ruin the club, newsletters, membership database etc. and of course anything I do there can drag/drop to the mac environ to email. That's my understanding anyway. Next will my existing .pst file copy directly into mac mail or do I have to runs translator as I recall reading something about that ages ago when I started thinking Mac

I have mac pro i7 , 8GB RAM , 750 HDD , can i install windows 7 ultimate 64 as a parrallals desktop?

i have mac pro i7 , 8GB RAM , 750 HDD , can i install windows 7 ultimate 64 as a parrallals desktop?

Hello and welcome to Apple Support Communities!
Yes, you can install Windows 7 Ultimate 64-bit in your Mac using Parallels for Mac. Just follow the instructions of the virtualization programs during the install. Should you need any assistance with the installation process, I strongly recommend contacting Parallels Tech Support (you must register with Parallels in order to have tech support).
Alternatively, you can always use Apple's BootCamp if you want to run Windows natively in your Mac. Check their support page, Apple has a lot of good links explaining this solution.
Hope this helps!

Mac Pro takes few minutes to shutdown

since a long time,my mac pro takes a few minutes to shutdown after using the shutdown-menu.
is there anyone, who has the same problem and knows a solution?
bst rgds from germany!

USB and FireWire devices?
Have you run disk repair utilities? especially Disk Warrior 4.1.1 or TechTool Pro 4.6.2?
Cloned your system and tried with that?

I have an early 2008 Mac Pro, 8 gb ram with a Dell 27" display and a 42" LG TV. I am thinking about upgrading the stock ATI Radeon 2600 graphics card for better resolution, preferring 2 dvi outputs. Does anyone have any suggestions on the best card?

I have an early 2008 Mac Pro, 8 gb ram with a Dell 27” display and a 42” LG TV. I am thinking about upgrading the stock ATI Radeon 2600 graphics card for better resolution, preferring 2 dvi outputs or 1 dvi and 1 vga vs 1 dvi and a mini. I don't do a lot of Final Cut Pro, gaming, etc. I am interested in best value for the graphics card.
Does anyone have any suggestions on the best graphics card for these larger displays for the best value?
Thanks,
Kevin

I recommend you install nothing older than the Apple-firware 5770, about US$250.
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"

Parallels performance on Mac Pro

I'm strongly considering a Mac Pro purchase to replace not only a Dual G5 but also a Dual Core Pentium Dell. I run large format posters and prints from my home office. I only have the Dell because the RIP software (Roland Versaworks) is Windows only. Can anyone running Parallels on either a 3GHz or 2.66GHz give me some insight as to performance of ANY apps that you may be using Parallels for.
My setup would include either the 2.66 or 3GHz, 4GB RAM and the 250GB HD for starters. I'm going to customize storage with HD I purchase seperately.
It would be real nice to be able to get those two heaters from under my desk!
Power Mac G5/2.7GHz DP, MBP 2.16GHz, Powerbook 12 G4/1.5GHz Mac OS X (10.4.7)

parallel currently does not work with the Mac Pro.
The folks at Parallels have said they will release an
update n the near future that will correct the
problem that keeps the Mac Pro and Parallels from
running.
Not 100% correct.
From the Admin user go into the terminal and enter
sudo nvram boot-args="-legacy maxmem=XXXX"
where XXXX is a number. Parallels suggest 1024 or 2048, but for me I had to go-to 4096 before it worked. Then reboot. This puts the Mac Pro back into 32 bit mode.
You can then start parallels again and create & run your virtual systems.
To reset back to 64 bit user
sudo nvram boot-args=""
A screen-shot of Parallels running on my Mac Pro
Here I am running both Suse 8.2 Linux and WinXP SP2

Mac pro with 16GB RAM for CS3? CS3 cant use more than 3 GB? why

hi
does it make any sense to buy 16GB RAM for a mac pro
only for working with CS3?
i am retouching prof. and in the moment we run CS2 on the mac pro.
later CS3 is in the pipeline.
we ordered 16GB RAM in order to work with HDR images and big file sizes coming from hasselblad h2 and h3 (300dpi, 23 x 23inch, round 50 or 100 layers, filesize 1 - 2GB per image.)
thanks

found this article @ adobe website
thanks for your help!
"When you run Photoshop CS3 on a 64-bit operating system, such as Mac OS X v10.4 and later, Photoshop can access up to 8 GB of RAM. You can see the actual amount of RAM Photoshop can use in the Let Photoshop Use number when you set the Let Photoshop Use slider in the Performance preference to 100%. The RAM above the 100% used by Photoshop, which is from approximately 3 GB to 3.7 GB, can be used directly by Photoshop plug-ins (some plug-ins need large chunks of contiguous RAM), filters, and actions. If you have more than 4 GB (to 8 GB), the RAM above 4 GB is used by the operating system as a cache for the Photoshop scratch disk data. Data that previously was written directly to the hard disk by Photoshop is now cached in this high RAM before being written to the hard disk by the operating system. If you are working with files large enough to take advantage of these extra 2 GB of RAM, the RAM cache can increase performance of Photoshop.
The default RAM allocation setting in Photoshop CS3 is 70%. These settings should be optimal for most users. To get the ideal RAM allocation setting for your system, change the RAM allocation in 5% increments and watch the performance of Photoshop in the Activity Monitor. You must quit and restart Photoshop after each change to see the change take effect.
The available RAM shown in the Performance preferences has already deducted an amount that is reserved for the operating system from the total RAM in your computer. You shouldn't set the percentage of RAM to be used by Photoshop to 100% (unless you are using more than 2G of RAM) because other applications which run at the same time as Photoshop (for example, Adobe Bridge CS3) need a share of the available RAM. Some applications use more RAM than you might expect. For example, web browsers can use 20-30 MB of RAM, and music players can use 20-50 MB of RAM. Watch the Activity Monitor to view the RAM allocations on your computer.
Watch your efficiency indicator while you work in Photoshop to determine the amount of RAM you'll need to keep your images in RAM. The efficiency indicator is available from the pop-up menu on the status bar of your image or from the Palette Options on the Info Palette pop-up menu. When the efficiency indicator goes below 95-100%, you are using the scratch disk. If the efficiency is around 60%, you'll see a large performance increase by changing your RAM allocation or adding RAM."

Mac Pro - CPU and Ram Utilisation (don't appear to be fully used)

Hi,
We've recently purchase and set-up a Mac Pro running OS X 10.4.8 (latest patches), FCP 5.1.2 and don't seem to be getting quite the performance we were expecting. (Caveat - I'm a IT tech not a video specialist so apologies if I get something wrong).
A few background details
Our configuration is as follows:
Mac Pro Dual Proc/Dual Core 3.0GHz intel
5GB Ram configured as:
Riser A Dimm 1 - 1GB
Riser A Dimm 2 - 1GB
Riser B Dimm 1 - 1GB
Riser B Dimm 2 - 1GB
Riser A Dimm 3 - 512MB
Riser A Dimm 4 - 512MB
(think AFAIK this should be the best config for the ram we have?)
(Slot 1 (in x16 mode)) ATI Radeon X1900 512MB graphics
500GB Internal SATA HD
(Slot 3(in x4mode)) FC 2 GB/s Apple card to XRAID (7x500GB RAID 5 with one spare)
(Slot 4(in x4 mode))Blackmagic Decklink HD Pro
Xraid seems fine performance wise - Blackmagic disk test shows 145MB/s Read about 100MB/s write.
Anyhow we have been doing some test rendering but don't seem to get the CPU utilisation above 150% (out off 400%) and also note the RAM utilisation also seems a little on the low side (not using more than 200MB 'Real memory' (as noted in Activity monitor) and any more than 1.2GB 'virtual Memory' despite having lots available (nothing else running)).
The (DV PAL) file we are rendering is simple consisting of over an 1 hour of Sat TV footage (bout 15GB worth just to test) captured via DV to which we applied some plugin effects (Chroma key, Light Ray and Scrub) once again just to test perfomance.
Have checked all the settings I can think of -i.e. system settings > Memory and Cache is set to Application = 100% (2560MB) and Still Cache = 20% (482MB). Scratch is Xraid etc. but can't seem to find anything obvious that could bee affecting this. (Also as an aside does anyone know if FCP limited to 50% of total sys memory as it appears to be (looking at the app = 100% = 2580MB) as it seems we could utilise more (in generall)).
Is this situation be normal? - bit hard to benchmark as our other machines are still 10.3.9 / G5 based with FCP 4.x. The Video tech seems to think its not as big a difference from his Dual 2.0Ghz G5 2GB Ram (3 years old) as he thought it would be (apologies for his vagueness)
Anything I can look to change/improve - I am concerned mainly about the lack of utilisation? Everything is freshly built straight after delivery
thanks - Pete
Mac Pro DP 3.0Ghz Mac OS X (10.4.8)

It probably is mostly a 32-bit versus 64-bit thing in that the big boys like Final Cut Pro, Photoshop, After Effects, etc. won't "see" more than just under 4 gigs of RAM. So they won't use memory as efficiently. A nice side effect to this is that you can multitask well with several of these apps open at once if you have a around 8 gigs of RAM.
Also DV (NTSC or PAL) isn't going to tax the system much as far as bandwidth so your maximum RAM usage probably won't be as high.
Compressor will push the CPUs harder, as will using some other codecs that are more sophisticated than DV.
Also, I'd think that the new Intels are still new enough that a lot of software might not be fully optimized yet. And in general the G5 PPC machines have a really fat memory to processor bus so that you aren't necessarily going to see a radical speed increase with these new Intel motherboards for some tasks.
If you have any CPU-based 3D apps like Cinema 4D or similar I'd try rendering tests to benchmark your CPU usage. 3D isn't as RAM intensive but it will push the four cores in my Quad G5 nicely. I'd expect the new Intel Quads to outrun my PPC Quad.

TS2002 my mac pro takes a long time to start up!

i had my mac pro for less than a year.
i updated it to lion.
now, my mac heats up very fast, the fans won't stop running, and my startup seems to get slower and slower

I assume that's 117°F ?
Could be many things, we should start with this...
"Try Disk Utility
1. Insert the Mac OS X Install disc, then restart the computer while holding the C key.
2. When your computer finishes starting up from the disc, choose Disk Utility from the Installer menu at top of the screen. (In Mac OS X 10.4 or later, you must select your language first.)
*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
3. Click the First Aid tab.
4. Select your Mac OS X volume.
5. Click Repair Disk, (not Repair Permissions). Disk Utility checks and repairs the disk."
http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, reboot when it completes.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)
If perchance you can't find your install Disc, at least try it from the Safe Boot part onward.
If 10.7.0 or later...
Bootup holding CMD+r, or the Option/alt key to boot from the Restore partitirion & use Disk Utility from there.
Then I'd get Lion Cache Cleaner & clear the caches...
http://www.northernsoftworks.com/lioncachecleaner.html
So, have you opened Console yet & seen any messages going by?

My mac pro takes long to switch on

Recently I moved from one country which uses 240V to a country that uses 110V
I noticed that I need to push the power button a couple of times to turn it on. Once it's on it works perfectly.
Can someone guide me if there is a problem or not and what I can do to switch it on with just one push?
Many thanks
Jeff

Hi Jgalear4m,
If you are having unusual behavior from the power button on your Mac Pro, you may want to try resetting the System Management Controller (SMC). You may find the following article helpful:
Intel-based Macs: Resetting the System Management Controller (SMC)
http://support.apple.com/kb/ht3964
Regards,
- Brenden

2008 Mac Pro 3,1 RAM burning up - running hot

Problem: 2008 Mac Pro Tower running hot.
Possible causes: Power Supply? Fan not working? Machine has 667 mhz RAM not 800 mhz.
PSU was chirping like a cricket a few weeks ago. I pulled it out, air cleaned it (and the entire Mac, vacuumed all the dust) and left PSU out for 12 hours to static discharge, etc. When I put the PSU back in, it was working and the chirping was gone.
Successfully used the MAC for a few days, no probs other than 2 DIMMS went bad. I went away for 2 weeks, tried to start-up the Mac yesterday and it wouldn't power on at all, no light. I unplugged it, tried different outlets, power cords, etc. Then I removed any changes that I had made previously (i.e. installed diff HD and 2 new RAM DIMMs to replace the ones that burned up) before going away. I removed PSU and let it sit while I cleaned the 2 DIMMs that had seemed to overheat before I went away. Put it all back together (PSU, old DIMMs which were cleaned and left HD #3 out) and it powered up. I then noticed that I was down from 32 GB RAM to 16 GB very quickly. The machine had also "shut down because of a problem" during that time then restarted and ran for a bit. I repaired the 16 GB RAM by cleaning it, brought it back up to 32 GB again and within minutes it was back to 24 GB. I pulled the RAM cards out and they were hot. The last 8 GB to go were likely the only DIMMs I haven't cleaned yet. I don't know how long that fix will last. Seems like we have a pattern of over heating.
Any ideas? Is it the 667 mhz RAM? The PSU? The fan? (How do you test a fan?)
Thank you for your time.
2008 Mac Pro 3,1
2x Quad Core 2.80 Ghz Intel Xeon
32 GB RAM (667 mhz)
3 HD's
10.9 OS Mavericks
Logic Pro X

First the RAM must be made for your computer as determined by Apple:
https://discussions.apple.com/docs/DOC-6413
Thus you have an early 2008 Mac Pro if it is a Mac Pro tower and not a MacBook Pro notebook.
The RAM must be either preinstalled by Apple, or from a place that sells lifetime warranty early 2008 Mac Pro RAM.
Just because you got PC6400 DDR2 ECC 800 Mhz FB-DIMM with 256 bit wide memory architecture, as the specs call for,
does not mean the RAM is compatible. Only RAM stated to be for "early 2008 Mac Pro" is compatible with those towers.
http://www.macsales.com/ (OWC) http://www.datamem.com/ and http://www.crucial.com/ all sell RAM by stating the time of year and model name.
Do not buy ValueRAM. If after doing that it doesn't work, some directions for other interior repairs exist on http://www.ifixit.com/ and http://www.xlr8yourmac.com/
Check to make sure the circuit your machine is on is giving off the full amp called for by specs and that current is not split to other devices, and you have either a UPC or surge protector power cord that can handle that ampere. If there is any chance the machine was plugged in during a lightning storm, your power supply may be fried even with a surge protector or UPC being there. No surge protector is 100% lightning foolproof.

Mac pro 5,1 RAM Upgrade

I am planning to give my Mac Pro (Mid 2010) another RAM upgrade. As the official Kingston/Crucial DIMMs do not include 16GB DIMMs, I think of choosing Kingston Value RAM: ECC Registered (3x, 16GB, DDR3-1600, DIMM 240). Has anyone here in the forum tried these?
Thanks for your comments.

The biggest official Kingston part is KTA-MP1333/8g which is a single 8GB module.
For 16GB modules the main criteria are that
It must be registered memory - not buffered, this is more because there aren't any 16GB buffered DIMMS
You cannot mix registered and buffered so any other existing memory left fitted must also be registered, as it happens you are supposed to not mix 16GB with smaller sizes anyway
It should be 1333Mhz DDR3 although in theory 1066Mhz DDR3 would work, again I don't believe there are any 16GB 1066Mhz DIMMS
It should be ECC (error correcting)
CL9
The presence of a Thermal Sensor is apparently not compulsory, i.e. memory without it will work in a Mac Pro.
I have not used any 16GB DIMMS myself but other than OWC as per the link provided by Illaass, the following might be suitable
KVR13R9D4K4/64i - this is a kit of 4 x 16GB and this article has a post from someone who says they worked for them http://forums.macrumors.com/showthread.php?t=1493588
If you can find a kit of 2 x 16GB of the same type then logically they should also work, they would probably be KVR13R9D4K2/32i. As a reminder to do 64GB or more you need dual processors. The single processor model Mac Pro 2010 is limited to 48GB.
See http://www.kingston.com/datasheets/KVR13R9D4K2_32I.pdf

Mac Pro takes more time to boot than average

Okay, well my Mac Pro (2008) takes anything between 40 and 48 seconds to boot (that's the time between pressing the power button and seeing the desktop with mouse movement). Being a long-time PC user, this boot time is MUCH faster than anything I've used before, but apparently it's longer than it should be. I was recently in a forum where most Mac Pro users had boot times of anything between 25 and 35 seconds.
As for hardware, I have no peripherals plugged in (except for Apple mouse and keyboard). The major software that I've installed is the Adobe Master Collection (including programs such as Photoshop, After Effects, Encore, Premiere Pro, Illustrator, InDesign, Dreamweaver, Flash, Fireworks, VersionCue, etc.)
I've looked at my Console messages, and I've noticed that the message "kcdmond cannot retreive the computer's local Hostname, retrying..." is repeated 3 times. This repetition takes up 20 seconds. See all the Console messages during boot-up below:
18/4/08 1:00:53 PM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
18/4/08 1:00:53 PM com.apple.launchd[1] (com.adobe.versioncueCS3) Unknown key: ServiceDescription
18/4/08 1:00:53 PM com.apple.launchd[1] (org.cups.cups-lpd) Unknown key: SHAuthorizationRight
18/4/08 1:00:53 PM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
18/4/08 1:00:53 PM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
18/4/08 1:01:01 PM com.apple.kdcmond[35] kdcmond cannot retreive the computer's local Hostname , retrying ..
18/4/08 1:01:06 PM com.apple.kdcmond[35] kdcmond cannot retreive the computer's local Hostname , retrying ..
18/4/08 1:01:16 PM com.apple.kdcmond[35] kdcmond cannot retreive the computer's local Hostname , retrying ..
18/4/08 1:01:21 PM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[76]) Exited: Terminated
18/4/08 1:01:21 PM com.apple.launchctl.Aqua[84] launchctl: Please convert the following to launchd: /etc/machinit_peruser.d/com.adobe.versioncueCS3.monitor.plist
18/4/08 1:01:22 PM com.apple.launchd[71] (0x1010d0.VersionCueCS3monitor) Failed to check-in!
18/4/08 1:01:25 PM iChatAgent[106] WARNING: AbstractService loginIfAvailable: SCNetworkCheckReachabilityByName failed!
18/4/08 1:01:26 PM iChatAgent[106] WARNING: AbstractService loginIfAvailable: SCNetworkCheckReachabilityByName failed!
18/4/08 1:01:31 PM com.apple.SystemStarter[28] Starting Aladdin USB daemon
18/4/08 1:01:51 PM com.apple.launchctl.System[2] BootCacheControl: could not fetch history: Cannot allocate memory
18/4/08 1:01:51 PM com.apple.launchctl.System[2] BootCacheControl: could not stop cache/fetch history: Cannot allocate memory
I have a few questions based on the above:
1. What is kdcmond, and why can't it find the host name?
2. Why is the error message "Failed to check-in!" for Adobe VersionCue appearing? (I've already specified in the VersionCue settings that I do not want it to activate anything on start-up.)
3. What is "Aladdin USB daemon"?
4. What is BootCacheControl, and what is with the "cannot allocate memory" errors?

Okay, so after doing all of the above, the computer still takes between 40 seconds and 1 minute or so to boot up, and the VersionCue messages still appear. However I discovered that the "kdcmond cannot retrieve..." messages disappeared after I disabled my ethernet connections. So at least I know that that had nothing to do with the extended boot-up time.
I have heard that the more RAM you have, the longer it takes to boot due to the RAM count. Since I have 10 GB, maybe this is why?
I've included the most recent Console messages below:
22/4/08 9:56:16 AM com.apple.launchctl.System[2] launchctl: Please convert the following to launchd: /etc/mach_init.d/dashboardadvisoryd.plist
22/4/08 9:56:16 AM com.apple.launchd[1] (com.adobe.versioncueCS3) Unknown key: ServiceDescription
22/4/08 9:56:16 AM com.apple.launchd[1] (org.cups.cups-lpd) Unknown key: SHAuthorizationRight
22/4/08 9:56:16 AM com.apple.launchd[1] (org.cups.cupsd) Unknown key: SHAuthorizationRight
22/4/08 9:56:16 AM com.apple.launchd[1] (org.ntp.ntpd) Unknown key: SHAuthorizationRight
22/4/08 9:56:39 AM com.apple.SystemStarter[28] Starting Aladdin USB daemon
22/4/08 9:56:39 AM org.ntp.ntpd[25] Error : nodename nor servname provided, or not known
22/4/08 9:56:39 AM com.apple.launchd[1] (com.apple.UserEventAgent-LoginWindow[74]) Exited: Terminated
22/4/08 9:56:39 AM com.apple.launchctl.Aqua[90] launchctl: Please convert the following to launchd: /etc/machinit_peruser.d/com.adobe.versioncueCS3.monitor.plist
22/4/08 9:56:42 AM com.apple.launchd[82] (0x1011e0.VersionCueCS3monitor) Failed to check-in!

Mac Pro 8-core RAM Configuration question

I know there is a lot of questions about Ram fro Mac Pro on this site but I got a brand new Mac Pro 8-Core today, didn't buy RAM from Apple because of the obvious reason, 1GB (2x512mb) is what I have right now. I am interested in upgrading to 8GB...SO... my question is, What is the best RAM configuration for my Mac Pro? Read the list below. Keep in mind that I am a web/graphic designer so Photoshop is one of my main tools along with Aperture, DreamWeaver, Flash, Final Cut, Illustrator, etc...
My options:
2x4GB
4x2GB or...
8x1GB ???
Please advise. Thanks in advance.

2GB X 4 is best due to the combination of benefits of performance, cost, power consumption, thermal profile.
Performance: groupings of four FB-DIMM allow 256 Bit memory access
Cost: 2GB FB-DIMM are less expensive and more generally available than 4GB
Power consumption: 4 FB-DIMM use 1/2 the power of 8
Thermal Profile: fewer FB-DIMM generate less heat and allow more airflow

If i used parallels in a mac pro take 16 ram is useful?

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