If your RAM is bad usually you have major problems running the computer. On Sat, Jan 17, 2009 at 7:58 AM, Dan <[email protected]> wrote: > > At 1:24 AM -0500 1/17/2009, Steve R wrote: > > I'm confused. Why exactly do you think a bad stick of memory would > cause one DVD burner to talk at a lower speed while the other DVD > burner is fine? Are you seeing error messages from the kernel in > system log screaming about soft memory errors? (Hard memory errors > result in kernel panics). > > This sounds to me like you're trying to blame the speedometer for a flat tire. > >>I ran memtest in single user mode, no problems found. > > Then the memory is probably fine. > >>I reran it on a regular restart, > > A total waste of time -- the point of using Memtest in single user > mode is that it is able to test MORE of the memory. Running it after > a normal boot is kindof like checking only one shelf in the refrig > for rotten food then declaring the whole refrig is 100% stink free. > >>Internal DVD burner accepts 8x burn in preferences but still refuses >>to burn faster than 1x/2x with both Toast 9.0.2 and Disk Utility. > > What internal DVD burner? Is this the stock burner that came with > the machine or something you added? Details please! > >>Hooked up Firewire DVD burner... burns discs (same brand/spool) at 8x >>and even 12x and 16x in both Toast 9.0.2 and Disk Utility > > Ok. That's good. It means that both utilities think your Mac is > fast enough to handle the higher burn speeds. So that's not the > problem. > >>Does any of this disprove bad RAM or prove ??? > > Passed memtest so the memory is most likely fine. > >>It's a refurbished machine, 9 days with me. I burned maybe 10 DVDs >>prior to changing the >>RAM, all at 8x. > > Ah. So this is a NEW symptom created AFTER you were inside the > machine (which you still haven't said what is). Might be a good idea > to reseat the DVD drive cables and such. > >>Tomorrow I'm going to clone the drive and reinstall the OS plus Toast > > Concentrate on the DVD drive. Don't go replacing the floor mats just > because you have an engine problem. > > - Dan. > -- > - Psychoceramic Emeritus; South Jersey, USA, Earth > > > >
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