Hi, I wonder if it's a cooling or power issue? I'm just about to install a Sonnet upgrade for a cube and have been looking at the PSU with some suspicion - How much capacity is in there to support power hungry upgrades? Stu ----- Original Message ----- From: "Stefan" <no-spam at punkt-x.de> To: <cube at listserver.themacintoshguy.com> Sent: Monday, December 13, 2004 1:19 PM Subject: [Cube] Problems with Powerlogix Upgrade 1.35 GHz - yout too? > Hello friends, > > after a long time of waiting I decided to buy a Powerlogix 100 1.3 GHz > 7457 Upgrade. > > Nervous and with a feeling like christmas I waited and built it into my > cube. > In fact: about 3x times faster than my 450 MHz CPU I could measure with > Xbench. Heureka!!! > > But than the problems began: crashes, defect and even dead harddisks > followed and so on. > > Be sure, I did everything like the instructions told me. Three days and > tow defect HDs later I ask myself, what might be the reason. > So I couldn't install more than 10.3: 10.3.2.dmg couldn't be mounted, same > with installation of other software. (I made a clean install, therefore I > can't imagine, that owner rights or preferences can be the reason...) > > As I remarked, my cube had and has Boot ROM Version 4.1.9 "f". > No, back to 450 MHz, my cube works stable again. > I'm quite sure, the CPU is OK. In fact it > > Has anybody of you had similar problems? > > Very interested > Stefan > _______________________________________________ > Cube mailing list > Cube at listserver.themacintoshguy.com > http://listserver.themacintoshguy.com/mailman/listinfo/cube