Cisco ASA keeps rebooting

Currently I am working with a Cisco ASA 5505.  The problem I have been having is that every 6-8 hours the ASA will freeze and require a hard reboot to get it working again.  I have had three of them replaced so far and am running out of ideas.  I thought it was something with the UPS it was plugged into I have tried multiple outlets and several different UPSes and the problem persists.  The only thing I can think of is that there is something in the ASA's config that is causing this problem.  I am just reaching out for any ideas.  I have included a link to the running-config from the ASA.  Thanks you guys and gals!
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Frank McCourryV.P. Holland Computers, Inc.Commented:
Check memory utilization.  I've had the same thing happen as a result of extremely high ftp traffic on a router with too little memory.
We had similar problem but it was the ios version. And we had overheating issues as well

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I have several in very warm locations and they have yet to have overheating problems. But I had one that would reboot regularly as you describe a couple of years back, and we had to put a fan on it to keep it running until we could replace it.
is there no crash log on the disk?
NetworkSheaAuthor Commented:
The random freezes are still occuring. I have hardset the port speed to 100Mb. The ASA isn't overheating, we have a fan in place, and the ASA doesn't show high cpu or memory usage. The ASA version is 8.2(5) and the ASDM version is 6.4(5).
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