Mac Pro :: Will Dual 1.25ghz Work In A Dual 867mhz MDD
Jan 16, 2009
I searched but couldn't find anything that I needed. I picked up some MDDs(dual 1.25 & FW800 1ghz) with bad power supplies and eying up another MDD(Dual 867) which is working. Will the dual 1.25 and single 1ghz processor daughter card work on the previous model? I know the System clock is different and heard about removing a resister on the first gens to 167mhz FSB. I will also try and transplant the PSU too to check to see if my 2 MDDs fully work or not.
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Nov 4, 2009
i replaced the motherboard on my dual 867MHz G4 MDD.the computer turns on now, and i did a fresh 10.4.11 install...but i noticed that it says "Dual 800" instead of "Dual 867" in my "About This Mac" now. i typed "sysctl hw.cpufrequency" in the terminal and discovered that it is actually running at 800MHz, and not 867MHz.
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Jul 30, 2008
MDD Dual 867MHz CPU Overheating
I have noted the large number of problems with this particular model and heat issues, but I just received this stripped MDD to do an upgrade on the cheap for my B&W G3 server. In hindsight this might not have been the best unit to upgrade with, but for $72 on ebay (seller was unsure it was dual processor--which may have helped lack of bidding), I figured it was worth it.
After putting RAM to 2GB, putting in an ATI 9200 PCI graphics card, and inserting my HDs from the B&W with updated Tiger installed, everything booted fine with no problems. Dual processors checked out, RAM was fine, and all drives loaded without glitch.
Next go round, after 20-30 minutes it does the sleep/freeze thing everyone has mentioned here and elsewhere. All fans work and have tested with door open and high speed fan directly over heat sink and it still shuts down. Temperature Monitor has it rising above 80c and climbing, which I no longer let go until "closing" to avoid any more damage.
The weird thing about this is that during all of this, the aluminum heat sink remains relatively cool, as if it is not making any contact.
Is it possible it just needs a pad or compound to make contact and dissipate the heat through the sink etc., or does this sound like either a faulty sensor or failing CPU? The compound would be an easy fix (and it sounds logical), but I may just be missing the obvious here. My hope is that the prior owner just did not bother to find out why it did this and cannibalized the unit.
I could take out all the drives, etc. to reduce the heat build up, but I want this to function as a feasible house server that can be left on most of the time + because of the cool heat sink the behavior does not seem to relate to the heat in the housing.
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Nov 11, 2007
Does anyone know of any compadible Dual Layer DVD that work with a PPC G5 Dual 1.87ghz?I tried memorex DVD+R DL and it kept on spiting out the disk
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Nov 27, 2010
I am looking for a tear down guide for my 4 core power mac. I need some instructions on how to remove the CPU's since I bought this for $100 and found the part for $250.
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Mar 30, 2012
I've got a g5 2.5 dual mother replace to a 1.8 dual g5 tower, nothing happen except all the fans, did anyone know is it work, or my 2.5 mother board also dead?
Info:
PowerMac, Mac OS X (10.4.11)
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Nov 2, 2009
I have a Powermac Dual G5 @2.0ghz, with 8gbs of ram, and 2 1tb drives running the latest version of 10.5. The problem I have is that I have 4 LCD monitors that I was using with my PC. I swapped that out with my mac, and while I am no novice, I didnt take into account that I cant just put any AGP and PCI video card into the system. What I need to know is if I can use two PCI video cards both with Dual Monitor outputs, and if so, which cards should I buy, and where? I found some video cards on ebay that are PCI, and it is quartz extreme compatible, but I am unable to use it with the AGP card already installed. The person selling the cards was unable to answer whether or not two of those cards could be used together. I only have about 75 per card to spend. Please help, I cant go on using this awesome machine with only one 19inch LCD. and I cant afford to buy new monitors
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Jul 17, 2009
In the last 2 weeks before my MP shipped, I've asked 3 Apple Geniuses at Apple stores and Apple Tech support about running dual DVI 23" Cinema Displays with 4870's. They ALL said I would need a second card. When I attempted the install, there were only 2 power cord clips on the back face of the main board. Both being used by the onboard Radeon 4870. What to do next? Another call to Apple support offered me a nice Indian girl who I could not really understand. Finally, I called a local non-Apple shop that I frequent for hardware and service issues. The very nice service tech told me to take the 2nd card back, since that original 4870 will drive 2 monitors perfectly, in my case, with a simple Mini DisplayPort to DVI adaptor for the 2nd 23" display.
how would you install any 2nd graphics card, if a 4870 takes up both power clips?
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Nov 24, 2009
I like eMacs but the G5 looks sooo nice. I know I probably won't be able to use any for very long but whatever. What is the best?
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Aug 17, 2010
I have built a hackintosh mac pro 3.1 on dell T5400 and working good. Now I wan to build a real mac with mac parts. As titled, will there be any switch to make the single cpu working on dual cpu board, OR no way, that I need to put two? Or it's even simpler just boot the machine with one cpu left on board. Since putting 1 cpu save lots money for me.
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Oct 3, 2010
I'm just going to order a new Mac Pro and noticed that it was slightly cheaper to order the base dual processor model and buy the 2.93GHz hex cores myself. A couple of questions arise:
Will my AppleCare still be valid or will I have to keep the 2.4GHz Xeons if I need to return it to Apple for any reason?
Is there market for the 2.4GHz processors?
Can I upgrade to the 3.33GHz processors or will this not work?
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Mar 29, 2010
I have a Mac Pro 1,1 with a flashed ATI Radeon HD 4870 XFX. Had no problems with it ever.
Installed Mac OS X 10.6.3 software update and now the second monitor says No Input detected. Switched second monitor to first monitor and it worked fine, but the second DVI port no longer works.
Need to get this figured ASAP as I have a lot of work to do today... very unhappy with this update. Anyone else having a similar issue or have any thoughts on what to try? I've done everything I can think of.
Do I need to flash it again? Seems silly to have to flash it every time you update the OS. The video card is still recognized in System Profiler. HD 4870 with 1GB GDDDR5 VRAM.
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Dec 5, 2007
I scanned the posts and didn't see this question, but honestly I didn't read all 20K + messages.I bought in late 2005 a dual 2.3 G5, about 6 months before the Mac/Windows combination came out. Does anyone know if I can upgrade or is it too costly to do so compared to buying a new machine.
Information:
PowerPC G5 Dual 2.3
Mac OS X (10.4.11)
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Jan 6, 2011
I need a bit of insight as to how to maximize the performance (and if there is any) with dual display setups on both my MP1,1 and 5,1.
First off, MP 5,1. Currently I'm running a 30" ACD off a DVI and 23" of a MDP to DVI on a 5870. The 30" is my main work display - the 23" is pretty much running trivial things, like browsers, finder, iTunes, etc. Since VRAM is being split between the two displays, would I benefit from installing a second video card to just run the 23" monitor and dedicate the 5870 to just run the 30" ACD? If yes, what should I use? I have an old 7300, but If there's anything better out there that's non cable powered, I'll get it. Also, there are times (rarely) when I need to run Windows 7-64bit to do some 3d CAD work - would having video cards from different vendors (hence different drivers) cause W7 to go nuts (conflicts, etc)? I can live with just the 30" on W7. I want to get get the most out of 5870 and 30" ACD while not running into conflicts under OS X by introducing another video card.
Second, MP 1,1.
It's windows 7 64-bit machine only. I have OS X installed, but since I use it for work I never boot into it. It's running a 27" display (1920x1200) on DVI and 23" (1680X1050) on MDP to DVI adapter. Again, the bigger display is my work area, and the smaller one runs browsers, outlook, etc. I do 3d CAD work, so more VRAM I dedicate to my main display, better it is. So back to my original question...what are my options? I do have that 7300 hanging around, but, again, I'm not so thrilled on mixing video card vendors and drivers. Should I just get some sort of low grade Windows based ATI Radeon card (don't care much of OS X on that machine).
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Mar 17, 2008
I am about to acquire a dual 1ghz MDD powermac g4 and was thinking of turning it into my main work computer. I do graphic design and own licenses to both cs2 and cs3. I also have retail versions of tiger and leopard. My question is what combination would be reasonable with this machine and if its reasonable using hardware this old for print design. I am not pro or a demanding user, but I do a fair amount illustrator, photoshop, and indesign work.
File sizes almost always well under 100mb. Right now I am using a Macbook Pro and I am aware that its much faster than this Power Mac, but I really would appreciate something I can have multiple hds in. It has 1gb of ram, and a radeon 9600 video card. Its also the non firewire 800 version. (2002)
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Jun 14, 2010
I'm working with a Mac Pro (2x3 GHz Dual-Core Intel Xeon, 4 GB RAM) and a dual 23" monitor setup. Quite recently the second monitor stopped responding, after disconnecting everything, moving, and reconnecting. (Everything was boxed lovingly in its original packaging and moved by gentle movers.)
It isn't the monitors � both work fine in the first monitor port. The computer recognizes there is a second monitor attached, allowing me to access Arrangement options under System Preferences > Displays.
The power light on the second monitor comes on, blinking in the following manner (if it were Morse Code): dot dash dot....(then it is dark for about four seconds before repeating the same blinking sequence). It appears to have some sort of meaning.
Any ideas? Is there a way to reset this?
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Jun 16, 2010
I have an issue with my 4870 (Mac edition) that has been occurring since day one (when I purchased it last month), but it's not something that happens every single time.
I've run into a problem that the 4870 has trouble recognizing one or both monitors plugged in. If I shut off power to my displayport-connected main monitor, it'll throw the menu bar, all the desktop items, and application windows onto the second monitor (DVI-connected). This also happens when I shut off the second monitor (desktop items and app windows get shuffled to the main monitor).
The other issue is that on startup, it may just be slow to recognize one of them, and the above screen-swapping issues happen anyway, followed seconds later by the screen once again being recognized.
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Sep 9, 2010
I have a new 2010 MBP and I'd like to hook up two external monitors to it, more specifically, two ASUS VW246H 24-Inch Widescreen LCD Monitors. Either via HDMI or DVI connections. I've found various usb monitor adapters, but i've read that many can't quite 'keep up' and I really can't seem to find a solid solution out there.
So does anyone have a dual monitor setup they currently use, if so, what are you using to connect the mini display port to both external monitors.
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Apr 9, 2009
After several hours my mac is running linked to my LCD screen through MiniDisplay Port - VGA connector, Front Row simply doesn't start. It fades to black for a while but then it immediately fades back to the desktop.
I uninstalled every application might have affected Front Row (Caffeine, LastFm, TV Row) but it was useless. I even tried to fix permissions in the Disk Utility, but it didn't help.
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Jun 16, 2009
I recently purchased a second 22" Dell 2209WA to go with my Mac Pro. They are both running from the ATI Radeon 4870 on my Mac Pro (2009 Quad) but the Expose performance seems to be really quite poor. Displaying all the windows is very juddery and not smooth at all. Is that what I should be expecting now? I wouldn't have on a �2000 Machine. Going into Spaces is fine, it's just Expose thats poor.
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Sep 1, 2009
I connected a external monitor onto my macbook pro and I want to know how do I make that monitor my main one? like move everything (dock, folders, and bar on top) to my external monitor?
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Jul 29, 2010
I wonder if anyone has a setup with two 24 inch cinema displays that have speakers integrated into them...
How do the speakers work? Do you run a USB cable to each monitor so you have both sets of speakers working at the same time? Can you configure the monitor on the left to just play audio for the left channel and the monitor on the right to play just audio for the right channel?
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Mar 24, 2010
I found one on craigslist for $15 but want to make sure it will work, or if I do get it and try to install it I want to make sure I don't break my computer.
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Jan 25, 2010
I purchased the apple mini display port to dual-link dvi adaptor and a dual-link dvi cable. The 2690 display now "lights up" but I get constant partial screen flicker and flashes.
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Mar 23, 2009
Has anyone tried hooking up a two 30 ACD's to a 4870 on their MP.. just want to check if there are ANY issues with this setup.
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Feb 19, 2009
I have seen on Ebay a Dual 867 Processor block, I am wondering if I could replace the single 500mhz block I have in my Graphite AGP G4?
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Sep 5, 2009
boot or restart. BUT if I logout then back in, I get only the dock and a small dot (in the lower left corner of the screen) lit and the system does not proceed further but seems frozen. Then, if I click the finder icon on the dock things seems to come back to normal. I made few attemps to fix it by removing all "Login Items" ( via the Accounts pane) but no luck! If I log under an other account
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Apr 2, 2008
I am considering buying a new Mac Pro. Can anyone tell me that if I buy one with single CPU, can I upgrade it later by adding another CPU? In other words, do I get a dual CPU motherboard or not?
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Feb 15, 2009
If i have dual displays on a mac could i have one of them displaying osx and one displaying vista or xp?
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Aug 30, 2009
I'm running a MacPro 1.1 with a 7300GT. I have two 24" monitor plugged on each DVI output of the card. Eveything worked well in leopard. I tried Snow leopard with the same setup, and there is no way to have both monitor working. No signals reaches the second screen. Worst, once boot... If I run the "screen detection", both DVI signals are stopped. SL seems the both screen, I can see them in the system configuration. Both are stated as "connected", I can even "move" windows on the second screen but of course this is useless cause there is no signal. Anyone here having the same problem ? any idea to fix it?
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