PowerPC :: Unusually High Fan Revving / Dual 1.8 GHz PowerPC G5
Dec 21, 2006
I have a Dual 1.8 GHz PowerPC G5 with 2.5 GB of RAM. My fan starts revving really loud when I am using multiple apps (Adobe CS2, Firefox, iTunes) and while watching a video tutorial or AVI movie (both saved on my desktop). It also happens when I am just watching a AVI movie with no other apps open.
I just added one GB of RAM yesterday thinking maybe this will solve the problem since I am running multiple apps. This did not resolve it. So I searched the messageboard for threads on fan issues similar to mine. I read it may be caused by the tempature in my room. I keep the tower on my floor on top of 2 pieces of wood about a 1/2 inch thick. I live in a small brick studio apartment so the tempature is usaully between 60 to 70 degrees.
I looked into smcfancontrol but it looks like its for laptops only.I also do not have a utilities program for my computer yet. I was wondering what was the best program out there to clean up/tune-up my hard drive so its running at maxium speed.Has anyone had experince with this issue and have any answers? I am concerned this may be very detrimental to my computer in the long run.
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Jun 30, 2007
So today I got back to the house, to find my iMac had turned itself off somehow in the hour that I was away, and when I went to reboot it, it turned on like normal, but the fans began blaring very loudly. When I checked out the speeds in iStatpro, the hard drive fan was going at about 3700rpm and the optical drive fan was around 2900. The fans normalized shortly thereafter, but I don't know if this is cause for concern, or just a little random kink.
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Nov 14, 2006
Crucial lists PC4000 (500mhz) as well as PC3200 (400mhz) for my Power Mac. It has 1gb of PC3200 in it right now. I always thought that you wanted your RAM to be AT LEAST as fast as your FSB. Well...my FSB is 1ghz per processor. SO, would it be a good idea to run PC4000 RAM as opposed to PC3200? From what I gather if I mix them, it will just run the RAM at 400mhz. So would it be substantially faster with say, 1gb of PC4000 as ooposed to 1gb of PC3200 ?
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Oct 20, 2008
I curently have 10.3.9 with a PowerPC G4 dual w/ 1.25 processors and 2 gig of ram. I want the highest upgrade I can get that will be compatibe with my software which is:
Quark 6.5
Acrobat 7.1
Acrobat Distiller 7.0
Illustrator CS1
Photoshop CS1
Microsoft Office (don't know what version but I've had it for years)
I really can't afford to go buy all the software again and I don't want my system to crash. Any suggestions?
This upgrade is mostly spawned due to the recent purchase of a new iPod Nano... Not supported by my current OS! Man, I didn't read the requirements, shame on me. However, the dang thing will work on my kid's PC w/ XP Pro. I only got the Nano cause it's mac - he wanted the Zune that ONLY works w/ PC.
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Jun 12, 2010
I bought my first Mac, a C2D MBP 13". I really love the machine. But I'm experiencing this particular issue of having high cpu load of up to 80% while on W7 Professional bootcamp even though I'm not running any graphic intensive programs.
Specs: 2.4Ghz MBP 13" (The recently refreshed model)
Windows 7 Professional 32bit (MSDNA Edition)
Upon successful installation of W7, I inserted the OS X disc inside and the bootcamp drivers installed successfully. So I'm quite sure the drivers are okay. Being a DotA lover, I installed WC3 on my bootcamp. However, I realise that whenenver I'm on windows mode, the machine is very laggy. I even have problem opening a browser when I alt tab out from WC3. Is this normal? Even when idle, the cpu load on the processor jumps from 1% to 47% randomly. Just fluctuates randomly. I'm quite sure my Windows Security Essentials is not doing any scan btw.
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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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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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Jul 14, 2008
Issues with my G5 DP 2GHZ. My rig has been fine since day one, but since I changed my system drive, and added a second drive, the fan radomly goes into a crazy high speed mode, and then locks up, requiring a hard shut down.
Heres the facts:
*my os is 10.4.9
*2.5 gb ram
*used carbon cloner to copy my original system disc to new Seagate 7200.11 1 TB drive
*installed second 1TB storage drive.
*both drives divided into 6 partitions.
*both drives formatted OS extended [Journaled]
*jumpers are in the correct position
*drive firmware is SD15, the correct, and most current
*drives are set to never go to sleep
*fan/freeze is not task specific, meaning it will lock up with no apps open
*this fan/freeze is sporadic, and has happened three times in the last 4 days.
Ive attached the system log.
I know nothing about these logs, so my apologies if Ive included too much, or not enough data.
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Apr 24, 2007
I have this Power Mac G5 and every now and then it'll freeze up, the fans will go full blast, and the screen will go black. It's not even when I put a heavy load on it.I usually just hold the power button down and do a hard shut down. Does anyone know why this G5 keeps doing this? Should I re-seat the ram and GPU?
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Dec 13, 2008
I have a 1.8ghz G5 iMac with ambient light sensor. When it is on there is a noticeable high pitched whine that is quite loud. It gets even louder if the fan runs more.
If I replaced the fan would this solve the problem or could it be the power supply?
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Sep 4, 2007
I need advice choosing a wireless router. It will be permanently connected to a pc but I plan on using its wireless for my IBook G4. My wireless card is 54-Mbps AirPort Extreme WiFi 802.11g. I am looking for whatever will give me the highest speed, reliability, and least amount of interference (I live in an apartment complex with multiple networks).
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Feb 13, 2010
Dual 2ghz Power PC G5 with Leopard 10.5.8Recently had it in for a repair, not with Apple (that expired a longggg time ago) because it would only turn on intermittently. They fixed this problem, citing bad components and also replaced the broken optical drive. However when they gave it back to me it was incredibly loud, they stated that they had to reconnect a fan and that was probably what caused the power problem in the first place. I'm pretty sure though that I had disconnected it unwittingly about a week after the power problem started when I opened it up to change the battery... believing that may be the problem at the time.
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Jun 18, 2007
Looking to buy a used G5. Dude said he upgraded a G5 1.8 to a Dual 2.0... Is that even possible and if so what limitations or problems could the machine have. Said he replaced the whole motherboard.
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Jun 25, 2007
I'm finally upgrading my iBook, but I'm slightly confused on which type of RAM to buy. According to my System profiler, I would need SO-DIMM SDRAM type with PC133 speed. I can find the SO-DIMM SDRAM, but the speeds are not matching (PC2700 and PC5300).
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Apr 20, 2010
i changed the power supply on my G5 dual 2.5 ppc 6 months before, (G5 was completly silent when switching on, no click sound of power supply)
i have again problem with this G5.... but this time when i swith it on, you can hear one click like in audio amplifiers, and the front diode flash one time only, and then nothing! no fan noise, nothing, silence...
who can tell me if it's again power supply problem? battery? or mother board? or what it can be?
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Jul 8, 2008
My mac has worked great for the last 2 years since ive owned it and it just started to act a lil differently about 2 weeks ago. I started to notice that it started to act a lil slower than normal when i was surfing the internet. Then a couple of days ago the computer started making like a buzzing noise , kinda sounds like interference . Like when a cell phone gets close to a stereo system. Sometimes the noise will go away and then when i start opening diff app. that use computer cpu the noise happens again. It was just making the noise and i was dealing with it until the computer started to crash. It would look like the screen was on fire and everything would just freeze. Do you guys think it is the hardrive ?????? and if it was what would be my best option for fixing this. Can i save the stuff that is on my current drive ?? I have a bunch of stuff that is very important on this hardrive.
whats the best place to buy a hardrive if i need one ? and can i buy a hardrive that can hold more than the stock 74.53 toshiba MK8025GAS ?
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Sep 10, 2010
Just picked up a minty Power Mac G4 Quick Silver and two ADC Studio Displays. I'd like to hookup both displays, but I only see one ADC port. What's my lease expensive dual ADC display option for this machine?
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Dec 29, 2010
I've been a mac guy since 1990 and for the last five years have settled into a nice PowerMac G5 with the dual 2.0 processors with the 20" Apple Cinema Display.
I did search on this but couldn't find anything specific, but I am considering adding a second 23" Apple Cinema Display to my set-up for a dual monitor workstation.
I have the ATI Radeon 9600 video card with two DVI ports. I have my 20" plugged in to port 1 and it's running at 1680x1050 resolution (the highest). When I add the second monitor, will BOTH monitors be able to run at their highest resolutions? Or do I need to add another video card?
I had heard rumor that resolutions are a trade-off: if your card is split between two monitors, then the resolution splits, true?
If I can run both at the highest res, then I'll pull the trigger and get the extra monitor. I'm assuming there's someone here who has done the exact same thing?
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Jan 1, 2011
G4 won't boot. No startup chime. Power button light goes off right after I power it on. Fans go on and soon switch to high / fast mode.
Tried everything imaginable -- removing all cards, RAM swapping, PMU reset, bought a new 3.6v PMU battery... everything on this forum (I think) except buying a new power supply which I'm trying to avoid.
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Aug 16, 2006
I listed my Dual 2GHz G5 on ebay and hope to sell it. In the event I can't, would it make a good server if I throw Mac OS X Server on it? Would a server be of any benefit since my network consists of my Mac Pro, Mac Book,a nd Xbox 360?
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Nov 11, 2006
I did a thread search and could find lots of instances of an ibook not seeing or using the battery, but I seem to have the opposite problem. I have an ibook g3 700mhz (dual usb). It will only boot and run off the battery. It will not boot or run if it is only plugged in (dead battery or no battery = no running or booting). When plugged into a 45W white charger (that works on other ibooks of the same ilk), it will be green without battery and orange when the battery is in. It will not charge a battery. I've tried:
two other dc-in boards and cables known to work in other ibooks
two different batteries (that charge in another machine)
PMU reset (the light on the charger changes to green for 3 seconds, seemingly indicating the reset was done correctly)
for fun I put in a hard drive that worked in another machine and added ram that works in another machine all to no avail. What the heck is going on?
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Nov 18, 2006
I've got a PowerMac G5 dual-core 2GHz box. Can I add another dual core CPU to get a quad-CPU system?
Forgive me for not wanting to open the case and look for myself, but it lives in a little hole that is hard to get out of b/c of all the cables and stuff... just wondering if anyone knows off the top of their head if the motherboard has another slot...
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Dec 22, 2006
I would like to use the machine to do powerpoints at our church. I want to use the internal monitor and an external monitor (projector) to do the powerpoints. I want it to work like the my iBook with the screen spanning hack installed.
if not then i will probably end up using a g3 desktop instead.
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Jan 18, 2007
I currently have a 17" G4 PowerBook which I LOVE. The only problem is that I'm a graphic designer and need more screen real estate. I've been considering purchasing a 30" ACD and waited for MacWorld hoping that an upgraded version with higher specs would be announced.
Sadly, it wasn't and I don't want to keep waiting indefinitely for Apple to update their displays. I've heard some good reports about HP's new 24" monitor (http://h10010.www1.hp.com/wwpc/ca/en...-12401740.html) and on the surface, the specs seem to be a lot higher than Apple's 23" monitor and the price is cheaper.
Currently, I can purchase the HP for $999 CDN while the 23 ACD is $1,099. Also the HP comes with a three-year on-site warranty while the ACD only has a 1-year warranty. I'm considering purchasing 2 of HP displays, which would give me acres of screen space. Soooooo . . .
A couple of questions:
1. Is my 1.67 GHz, G4 PowerBook capable of driving 2 x 24" monitors simultaneously?
2. Does anyone have any experience with the HP monitors and if so, would you recommend them?
As a loyal Mac user for the last 12 years, it irks me to even consider purchasing a product from HP. However, I just cant justify spending more money for a product with lower specification.
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Mar 13, 2007
I bought an iBook G3 (all white_ from someone and the charger if messed up and will not work. It will work once in a blue moon and turn orange for half an hour. As such, no iBook usage except for ten minutes X_X. I would really like to get a new charger so I can give to my mum. if those new things they sell in CompUSA for mac laptops will work?
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Aug 5, 2007
I recently bought a firewire 800 dual 1.42 GHz G4 power mac, which didn't have a hard drive or memory. I bought some memory from OWC and I threw a hard drive in it. When I press the power button I hear the startup sound however there is no video on the monitor. I'm trying to figure out whether it's a bad motherboard, video card, or if it could possibly be something else like the power supply. I have reset the PMU to no avail. Does anyone have any suggestions on what I could do to figure out which component is bad?
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Dec 13, 2007
I recently lost my G4 MDD 1.25 GHz tower to a power surge. I've replaced it with a G4 MDD dual 1 GHz. This is a dual boot machine. When booted up in 10.4.11 I can select the 9.2.2 disk but it will restart on 10.4.11 - Selecting Target Mode, it will boot on 10.4.11. The only way to boot 9.2.2 is with an Option start. When in 9.2.2 and using the Start up Disk control panel and choosing 9.2.2 - it boots up from the 10.4.11 disk. Additionally, when a Tiger DVD is inserted and the Install and Restart are clicked - it boots up the 10.4.11 disk.
I installed 10.4.11 and 9.2.2 on two partitions of another hard drive - same results. I Reset-all in Open Firmware. Pressed the PMU reset. I'm out of ideas.
I really hope I'm not the only one to experience this.
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Jan 1, 2008
I'm kicking around the idea of switching my Rev. A PowerMac G5 Dual 2.0 for a Mac Mini Core 2 Duo 2 Ghz with 2 Gigs of RAM. I'm wondering if I would take a big performance hit with the switch to this machine when compared to my current workstation (most likely not, but hey I ask anyways). I am looking for something with a small footprint that's quite and basically is not a furnace with computing features inside that sucks power like a maniac. It's worth mention that I am on a budget as well(Macs here in Argentina are expensive as hell). As it is right now, if I do a feature to feature comparison, I would be getting DL DVD burning, Airport, and Bluetooth, something that my PowerMac G5 is lacking.
Its worth noting that the PowerMac has 1 Gig of RAM, the stock Radeon 9600 with 64 MB of RAM, but does have a 250 Gig HD. I regurlarly use Photoshop CS3 (working mostly with A3 sized files @ 300/600 DPI), Illustrator, in Design, Dreamweaver, some Flash. Of course the run of the mill, Web browsing/email checking along with IMing and iTunes activities. So what you guys think? You think a trade of my ol' faithful PowerMac from 2003/2004 to a top of the line mac mini would be a good idea?
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Feb 6, 2008
I'm having a really hard time trying to find a nice freeware screensaver that will run in my TiBook with dual displays. I was wondering if anybody here know of a good freeware screensaver that will work with these requirements:
Must run well on TiBook in dual display mode (667MHz G4, 1GB RAM, 16MB Rage 128)
Must be somewhat cool/interesting.
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Apr 28, 2008
I've got a powermac G5 dual 2ghz and 3 gigs of RAM that has a dead logic board. I don't really want to pay the $900 to have it replaced, so I'm thinking about just parting out the rest of the machine.
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