I've had this happen to me with bad memory. No pattern. Sometimes the system would go days without a reboot, sometimes it would reboot three times in an hour. Find a cheap piece of 128MB RAM and replace the 512MB for a while. If the problem goes away, that nails it. If it doesn't, well, back to the drawing board. Kyle Elmblade Distinct Computer Solutions Sales - Upgrades - Training - Consulting [log in to unmask] Due to the current economic situation, the light at the end of the tunnel will be turned off until further notice. From: "Glenn P. Miller" <[log in to unmask]> Sent: Saturday, October 05, 2002 11:59 PM Subject: [PCBUILD] Spontaneous Reboots > Greetings all, > > I have just build a new workstation. WIndows 2000 Pro is installed on a > 10000 rpm Seagate Cheetah SCSI drive which commands dual 2.2GHz Xeons > mounted on a SuperMicro P4DC6+ with 512MBs pf Corsair RDRAM. Power is > supplied by a 475W PCPower and Cooling PS. I have waited quite a while to > afford this machine, and as you can see, it is top end beast. What has me > talking to myself is its penchant for spontaneous reboots -- sometimes as > many as 3 or 4 during an eight hour session. Inital paging size is set to > 768 with max set to 1536. I would suspect the power supply, but as you can > see, it too is a Lexus-level component -- I realize that anytning piece of > equipment could be faulty, even components with reputations such as these. > As you can imagine, I don't relish spending anymore money, but I am > considering investing in an uninteruptible power supply back up -- in for a > penny. in for a pound. But does anyone have any suggestions other than or > including this move? > > > TIA, > > Glenn Miller PCBUILD maintains hundreds of useful files for download visit our download web page at: http://freepctech.com/downloads.shtml