PeterH wrote: > > On Mar 14, 2009, at 2:01 PM, Charles Davis wrote: > >> The 'Electrically conductive' being a problem is NOT between the >> processor & heat sink, it's the problem caused by 'excess conductive >> paste' oozing onto circuit traces adjacent to the processor, and >> shorting various signals and/or power traces. >> I.E. "Sloppy application"
Whatever "stuff" you are applying, you don't want any excess amount falling anywhere. That is why you apply a very tiny amount and let the pressure moosh it into place. > > With over-application of Arctic Silver, for example, to a G4, there > are power decoupling lines on the surface of the chip which can be > shorted-out by such oozing. > > The "washer" which Apple generally applies to its processors can > limit the intrusion of the conductive paste to those lines. > > However, over-application will usually get underneath the "washer" > and be resistant to attempts to remove it. > > If you over-apply Arctic Silver, you are asking for trouble. > > If you over-apply silicone thermal "grease", there is no issue except > for the mess. > > Pine-SolĀ®, applied full-strength, can dissolve most such "greases". > > And, as Pine-Sol is water-soluble, the excess "grease", then in > suspension, will simply, and completely wash-off. -- Clark Martin Redwood City, CA, USA Macintosh / Internet Consulting "I'm a designated driver on the Information Super Highway" --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed Low End Mac's G3-5 List, 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] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/g3-5-list?hl=en Low End Mac RSS feed at feed://lowendmac.com/feed.xml -~----------~----~----~----~------~----~------~--~---
