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I-Opener Freezes after running a few minutes...

New MessageI-Opener Freezes after running a few minutes... (modified 0 times) chrisshaw1
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My I-Opener freezes after running only a few minutes. It works great for between 5 and 10 minutes and then just hangs. It doesn't matter if I'm in Windows or the BIOS. The unit has 128MB of RAM which it recognizes normally. I have a hard disk running in an external box on the outside back of the unit. I thought it might be overheating but the heatsink is not covered up and it's the original processor. Any ideas? I have set the BIOS settings to match what has been reported here as correct. Thanks.
08-14-2001 10:59:49

New MessageRE:I-Opener Freezes after running a few minutes... (modified 0 times) tinkerer
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I've had the same L O N G running problem. It only happens with the 128 installed. 32Mb works fine, but S L O W. Try switching back to 32 to see if it's memory-related. I'm thinking of trying 64. For a digital device it sure acts like analog!
08-14-2001 23:01:43

New MessageRE:I-Opener Freezes after running a few minutes... (modified 0 times) ckbone
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It may well be your ram chip, but certainly not the amount of ram.....128mg works fine for most people here. You could be having a connection problem with that one chip. It's happened to others. When the board and the chip heat up, you could loose connection, causing a freeze. Try cleaning the contacts and the socket. On one IBM chip, I had to clean the contacts with 800 grain sandpaper (very fine) before it would even boot.
08-15-2001 03:19:45

New MessageRE:I-Opener Freezes after running a few minutes... (modified 0 times) redwood
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I finally sent back two different chips, I tried in 5 different IO's... many different settings.. it just Wasn't worth the trouble..I have another chip on order, from another vendor, hope I have better luck this time...
08-15-2001 07:53:48

New MessageRE:I-Opener Freezes after running a few minutes... (modified 0 times) chrisshaw1
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Thanks for the input. I'll try some different memory and see if that works. I ordered a part that someone posted here saying it would work, a Mac SODIMM from Kingston in the 128MB variety. I'll try some others and see if I get any better luck. Thanks.
08-22-2001 07:26:11

New MessageRE:I-Opener Freezes after running a few minutes... (modified 0 times) chrisshaw1
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Ok,

I tried a bunch of different RAM chips out of other laptops of varying size and got no better results. So I decided to see if it was a different problem. I pulled the thing apart and decided to see if the CPU was overheating. I put a standard 12v fan on the unit and wired it to a 5v feed. I didn't put the unit back together but booted up and ran for a while. No problems at all. I now believe that even though I have the original WinChip and heatsink in tact that I have a heat problem. I am about to place an order for the WinChip 2 (233) and the tennmax 5v iOp kit but wanted to find out who was using that here and what your luck has been. Thanks.

08-24-2001 09:27:11

New MessageRE:I-Opener Freezes after running a few minutes... (modified 0 times) *SF*
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If / When, you put the original heatsink back.
Notice while tighting the last turn of each of the 4 screws.
They should draw (deflect) the motherboard.
If not there maybe something out of square, between the LCD & MB ?
08-24-2001 09:44:42

New MessageRE:I-Opener Freezes after running a few minutes... (modified 0 times) ckbone
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If your problem was indeed a bad fit of the stock heat-sink on the CPU, you're not the first person to have that problem. The four mount posts for the CPU vary quite a bit in height on different boards...poor quality control I guess. They partially make up for this out-of-spec condition by a thick thermal pad....doesn't always work. A Lasagna fan on a Winchip2 works perfect....My first Winchip2 machine is still running strong set up like this, being used every day for almost a year and a half.
08-24-2001 16:18:26

New MessageRE:I-Opener Freezes after running a few minutes... (modified 0 times) chrisshaw1
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Interesting,

Mine didn't have a 'thick thermal pad', just some conductive white grease smeared on the chip. Maybe that was/is the problem, huh? Thanks for the help guys.

08-27-2001 07:10:17

New MessageRE:I-Opener Freezes after running a few minutes... (modified 0 times) ckbone
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Sounds like you fixed your problem. If there was just thermal grease on the chip, no pad at all, the stock heat sink was not contacting the chip properly, causing a heat-up and a crash.

FWIW: My pentiumIII 500 was running hotter than normal recently, sometimes the alarm went off. When I removed the fan to check, I found the Radio Shack thermal grease had completely dried up. I replaced the grease with some artic silver thermal compound. The temps dropped drastically, at least 10 degrees C. CompUSA is selling the stuff now. I'm pulling all three I-Openers apart, and replacing the Radio Shack stuff.....

08-27-2001 10:32:01

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