---------- Original message ---------- Subject: Re: Thinking about a new CPU for a Sawtooth 500 MHz G4 Date: Montag 25 Januar 2010N From: Dana Collins <[email protected]> To: [email protected]
> On 1/25/10 12:48 AM, Kris Tilford of [email protected] sent > > > On Jan 24, 2010, at 11:21 PM, Dana Collins wrote: > >> If you have used PC-100 in a unit designed for faster RAM, I would > >> say that > >> is an anomaly, or you have the darned luckiest Mac on the planet! > > > > I've noticed that sometimes RAM sold as slower RAM is actually a > > faster variety. You need to inspect the individual chips on each > > module to determine how fast they are. When faster RAM is sold as > > slower, it will normally be labeled as the slower RAM, and will > > sometimes identify to the system as slower RAM, but an inspection of > > the individual chips in the sure way to know the speed. I believe this > > occurs because it's simply cheaper to produce newer faster chips on > > smaller dies than the older slower chips. Also, larger modules can be > > made with less total chips. Thus, new RAM labeled as PC66 or PC100 > > might in fact be PC133 modules simply labeled as PC66 or PC100. > > > > The same holds true with video cards, sometimes video cards have > > faster VRAM chips than the card's firmware specifies, and these cards > > are normally able to be safely overclocked to whatever speed the > > individual VRAM chips support. When older slower chips run out of > > stock they simply continue production using newer faster chips. > > O-h-h-h .. Thanks for the clarification! > Dana Yea, me too. I didn't know, so I guess I was lucky after all. Thanks! So this makes the "reuse existing RAM"-hint of mine obsolete and I would now recommend to get an MDD instead of the QS2002. Or to get a GE since this also uses 100MHz-RAM. The DA is the first to use 133MHz. Cheers, Andreas aka Mac User #330250 -- You received this message because you are a member of G-Group, a group for those using G3, G4, and G5 desktop Macs - with a particular focus on Power Macs. The list FAQ is at http://lowendmac.com/lists/g-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] For more options, visit this group at http://groups.google.com/group/g3-5-list
