On May 24, 2010, at 1:23 PM, John Carmonne wrote: > >>> >>> The bus speed is set by the motherboard. The multiplier is set on the >>> processor card. >>> >>> In some systems, there are ways of changing the bus speed, I do not know >>> about the cube. There are also ways of changing the multiplier on some >>> stock Apple cards. HOWEVER, both these involve circuit board level >>> soldering and are not for the feint hearted. >>> >>> I am not real familiar with the cube, but because of heat issues, I would >>> not mess with these. >>> >>> IMNSHO, your best bet is to stay with either a genuine Apple processor >>> designed for the cube, or an aftermarket one designed for it. >>> >> >> This is all true, but there are some pretty simple hacks to get a little >> faster processor in the Cube. I'm running mine with a 533mHz CPU from a DA >> tower, tweaked to run at 600mHz. There is a bank of resistors on the back of >> the card that sets the multiplier. You can remove resistors with a tweezer >> and trace new connections with a circuit writer pen. It took me about 10 >> minutes to tweak my CPU to run at 600, and it's working great. I may try >> 650mhz at some point, if I get sufficiently bored. >> >> Just my $0.02. >> -Hal > > Can you explain the exact method of doing this, I read a page from Operator > HeadGap on this but it seems vague at best, I'll have an extra 2 450 MHz > boards in a couple of days that I could try it on:-)
Sure, it's best explained here: http://www.xlr8yourmac.com/systems/DA_CPU_in_Sawtooth/DA_CPU_mods.html Hope that helps. -Hal -- 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
