I have a 2007 24" that is still purring like a baby kitten. No video issues at all, still runs most games too.
Sent from my iPhone > On May 6, 2014, at 9:03 PM, Jim Scott <jesco...@gmail.com> wrote: > > >> On May 6, 2014, at 5:42 PM, GMail Valter Psicof <valter.psi...@gmail.com> >> wrote: >> >> Il giorno 06/05/14 20.27, "Jim Scott" ha scritto: >> >>> be quite leery of >>> any 24" Intel iMac (BGA failures of video chips on daughterboards). >> >> Jim, are you talking about ANY 24" Intel Macs, or just the earlier versions? >> >> Because I own an Early 2009 24" Intel Mac, 2.93 GHz with an ATI Radeon 4850 >> graphic card, and - knocking on wood! - it runs beautifully. >> >> I bought it used a year ago, and when I was looking for one, I noticed that >> older (Early 2008) 24" Intel Macs with higher-end video card (the GeForce >> 8800), were highly prone to failure (due to overheating of the graphic card, >> mostly). >> >> Since I do gaming, I didn't want to give up the powerful video card, so I >> went to the subsequent Early 2009, that didn't report above average rates of >> failures (AFAIK), even with the higher-end video card. >> >> Do you know something about Early 2009 24" iMac that I should know? :-) >> >> I noticed that the Northbridge chip goes very hot (up to 75° C) but, using >> smcFanControl and tweaking the fans speed, I manage to keep it under 70° C. > > > I make no claims to omniscience. I was speaking from experience and > generalizing. As with any device, specific examples and certain models seem > to have more or fewer problems. Let your experience and research guide you. > However, it is well known that overheating and improper cooling are the enemy > of BGA chips. One thing that causes overheating is dust buildup on cooling > fans and in ducts. If your iMac were mine, I'd take it apart and clean out > the dust. I'd also replace the thermal paste/pads, especially where that > hot-running Northbridge chip is concerned as the factory paste/pad may have > deteriorated. > > Jim > > -- > -- > You received this message because you are a member of the iMac Group, a group > for those using Apple iMacs and eMacs. > The list FAQ is at http://lowendmac.com/imac/list.shtml and our netiquette > guide is at http://www.lowendmac.com/lists/netiquette.shtml > To post to this group, send email to imaclist@googlegroups.com > To leave this group, send email to imaclist+unsubscr...@googlegroups.com > For more options, visit this group at http://groups.google.com/group/imaclist > > --- > You received this message because you are subscribed to the Google Groups > "iMac Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to imaclist+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- -- You received this message because you are a member of the iMac Group, a group for those using Apple iMacs and eMacs. The list FAQ is at http://lowendmac.com/imac/list.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to imaclist@googlegroups.com To leave this group, send email to imaclist+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/imaclist --- You received this message because you are subscribed to the Google Groups "iMac Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to imaclist+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
