<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">I've got a couple of PM G4 (AGP) machines in my Mac Lab and one of them misbehaves. It freezes randomly when Photoshop is open (even after it's re-imaged with a fresh image) and will not boot from an external firewire drive. The other, identical machine will, but this one will not.<DIV><BR class="khtml-block-placeholder"></DIV><DIV>I've just re-installed a fresh copy of Panther, but System Prefs will not let me choose the external drive as a Startup Disk and rebooting with Option held down doesn't work, either.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>Any ideas as to what coule be wrong?</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>-SD<BR><DIV> <P style="margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; min-height: 14.0px"><BR></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">---------------------------------------------------------------------------------------------</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Seth Dimbert</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">English, Journalism, Media</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">Hyman Brand Hebrew Academy</FONT></P> <P style="margin: 0.0px 0.0px 0.0px 0.0px"><FONT face="Helvetica" size="3" style="font: 12.0px Helvetica">---------------------------------------------------------------------------------------------</FONT></P> </DIV><BR></DIV></BODY></HTML>