It might be that you are using an unsupported OS for the SuperMac. -Ryan
On Sat, 08 Jan 2005 19:00:36 -0800, Gregg Gorrie <[EMAIL PROTECTED]> wrote: > I just picked up four 128MB DIMMs from OWC (EDO, to match the previous four > DIMMs) to bring my S900 to up to 1GB of RAM. After installing the RAM, I > pressed the CUDA button and restarted. The machine booted but froze just at > the start of loading extentions - rebooted again with the same results. It > was a hard lock up - the only way I could shut down was to give it the old > "three finger salute" and then press the power button on the front. > > I recalled a discussion on this list a couple of years ago re: people who > had problems getting the full 1GB RAM installed on their computers, so I > took out one of the DIMMS and -voila - the machine booted fine. > > Wondering if perhaps the one stick of RAM I removed was problematic, I > reinstalled it and took out another DIMM - the machine still booted up fine. > > After several hours of troubleshooting here are the results: > > 1) Tested the RAM with TechTool Pro and everything came up OK. Tried > swapping the remaining stick of RAM with one of the "just tested" sticks and > everything still checked out OK. > > 2) The machine DOES boot up with the full complement of RAM when booting up > from the secondary backup OS9.1 partition on my ATA drive, so: > > 3) It seems that problem only happens with my OS9.2.2 partition (on the > internal SCSI bus) and all eight DIMMs installed. Take out any one DIMM and > everything boots fine. > > Upon further investigation, it appears that the culprit is my MaxPower > extension (for the NewerTech G4/400 card). It seems rather bizarre that it > works fine with 912MB of RAM but locks up with 1.01GB of RAM. > > Any ideas? > > -- > Gregg > > -- > SuperMacs is sponsored by <http://lowendmac.com/> and... > > Small Dog Electronics http://www.smalldog.com | Refurbished Drives | > Service & Replacement Parts [EMAIL PROTECTED] | & CDRWs on Sale! | > > Support Low End Mac <http://lowendmac.com/lists/support.html> > > SuperMacs list info: <http://lowendmac.com/supermacs/list.shtml> > --> AOL users, remove "mailto:"; > Send list messages to: <mailto:[email protected]> > To unsubscribe, email: <mailto:[EMAIL PROTECTED]> > For digest mode, email: <mailto:[EMAIL PROTECTED]> > Subscription questions: <mailto:[EMAIL PROTECTED]> > Archive: <http://www.mail-archive.com/supermacs%40mail.maclaunch.com/> > > --------------------------------------------------------------- > iPod Accessories for Less > at 1-800-iPOD.COM > Fast Delivery, Low Price, Good Deal > www.1800ipod.com > --------------------------------------------------------------- > > -- SuperMacs is sponsored by <http://lowendmac.com/> and... Small Dog Electronics http://www.smalldog.com | Refurbished Drives | Service & Replacement Parts [EMAIL PROTECTED] | & CDRWs on Sale! | Support Low End Mac <http://lowendmac.com/lists/support.html> SuperMacs list info: <http://lowendmac.com/supermacs/list.shtml> --> AOL users, remove "mailto:"; Send list messages to: <mailto:[email protected]> To unsubscribe, email: <mailto:[EMAIL PROTECTED]> For digest mode, email: <mailto:[EMAIL PROTECTED]> Subscription questions: <mailto:[EMAIL PROTECTED]> Archive: <http://www.mail-archive.com/supermacs%40mail.maclaunch.com/> --------------------------------------------------------------- iPod Accessories for Less at 1-800-iPOD.COM Fast Delivery, Low Price, Good Deal www.1800ipod.com ---------------------------------------------------------------
