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 <[email protected]> wrote: > > >> On May 6, 2014, at 5:42 PM, GMail Valter Psicof <[email protected]> >> 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 [email protected] > To leave this group, send email to [email protected] > 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 [email protected]. > 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 [email protected] To leave this group, send email to [email protected] 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
