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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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I think I found the problem I was having with a Gateway 2000 GP5-200 desktop
computer. It would randomly freeze or drop into STOP errors. I started looking at the motherboard and found a voltage regulator attached to a beefy heatsink. Even with that, it still got too hot to touch for very long. If you look at the URL below, note the electrolytic caps sandwiched in between the two major fins on the heatsink. That can't be a great idea. Last I looked it had been up for over five hours now. I guess Gateway shouldn't have been so stingy with their idea to put another fan in place...maybe that's why I've never seen another one of these? http://12.206.251.215/gp5200/ Sorry for the cross-posting. It seemed like this topic would fit well in both groups. The IP is dynamic but should be relatively stable. I lost my DynDNS account (after six years, they killed it for 30 days of my not signing in!) and am working to get it back. William |
#2
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Posted to sci.electronics.repair
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Hi!
they call that obsolescence. It's unfortunate. A system that handled your post has its clock set into the future by a little bit. It's 7:27 PM CDT as I write this, and your reply shows up as being made at 7:43 PM CDT. Which means it hasn't happened yet and we're not having this conversation...yet. :-) William |
#3
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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William R. Walsh wrote:
I think I found the problem I was having with a Gateway 2000 GP5-200 desktop computer. It would randomly freeze or drop into STOP errors. I started looking at the motherboard and found a voltage regulator attached to a beefy heatsink. Even with that, it still got too hot to touch for very long. If you look at the URL below, note the electrolytic caps sandwiched in between the two major fins on the heatsink. That can't be a great idea. Last I looked it had been up for over five hours now. I guess Gateway shouldn't have been so stingy with their idea to put another fan in place...maybe that's why I've never seen another one of these? http://12.206.251.215/gp5200/ Sorry for the cross-posting. It seemed like this topic would fit well in both groups. The IP is dynamic but should be relatively stable. I lost my DynDNS account (after six years, they killed it for 30 days of my not signing in!) and am working to get it back. William they call that obsolescence. -- "I'm never wrong, once i thought i was, but was mistaken" Real Programmers Do things like this. http://webpages.charter.net/jamie_5 |
#4
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Posted to sci.electronics.repair
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William R. Walsh wrote:
Hi! they call that obsolescence. It's unfortunate. A system that handled your post has its clock set into the future by a little bit. It's 7:27 PM CDT as I write this, and your reply shows up as being made at 7:43 PM CDT. Which means it hasn't happened yet and we're not having this conversation...yet. :-) William It's ok my son! ![]() -- "I'm never wrong, once i thought i was, but was mistaken" Real Programmers Do things like this. http://webpages.charter.net/jamie_5 |
#5
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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![]() "William R. Walsh" m wrote in message news:jzQUi.174372$Fc.168614@attbi_s21... I think I found the problem I was having with a Gateway 2000 GP5-200 desktop computer. It would randomly freeze or drop into STOP errors. I started looking at the motherboard and found a voltage regulator attached to a beefy heatsink. Even with that, it still got too hot to touch for very long. If you look at the URL below, note the electrolytic caps sandwiched in between the two major fins on the heatsink. That can't be a great idea. Last I looked it had been up for over five hours now. I guess Gateway shouldn't have been so stingy with their idea to put another fan in place...maybe that's why I've never seen another one of these? http://12.206.251.215/gp5200/ Sorry for the cross-posting. It seemed like this topic would fit well in both groups. The IP is dynamic but should be relatively stable. I lost my DynDNS account (after six years, they killed it for 30 days of my not signing in!) and am working to get it back. William I noted in a different thread a few days ago, that switch mode power supply designers have a pathological need to locate any and all electrolytics as close as possible to hot components, in order to cause the service industry as much trouble as possible. Seems that mobo designers are similarly afflicted then ... d:~} Arfa |
#6
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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"William R. Walsh"
m hath wroth: I think I found the problem I was having with a Gateway 2000 GP5-200 desktop computer. It would randomly freeze or drop into STOP errors. I started looking at the motherboard and found a voltage regulator attached to a beefy heatsink. Even with that, it still got too hot to touch for very long. If you look at the URL below, note the electrolytic caps sandwiched in between the two major fins on the heatsink. That can't be a great idea. Last I looked it had been up for over five hours now. I guess Gateway shouldn't have been so stingy with their idea to put another fan in place...maybe that's why I've never seen another one of these? http://12.206.251.215/gp5200/ Yech. Barbequed electrolytics. Forget the fan idea. Unsolder or just chomp out the caps. Replace them with caps that have LONG leads. Bend the leads away from the heat sink and over the edge of the motherboard. That should get them away from the heat without adding too much lead inductance. Incidentally, I just sent to the eWaste recyclers everything in my house, office, and storage dumpster, that was slower than a PIII. I kept a few boards, but all the old machines and most of the ISA and VESA boards went away. I can now almost walk into my office without climbing over a pile of computahs. Befo http://802.11junk.com/jeffl/pics/office/slides/IMG_0086.html After will have to wait until after I finish purging. Sorry for the cross-posting. It seemed like this topic would fit well in both groups. The IP is dynamic but should be relatively stable. I lost my DynDNS account (after six years, they killed it for 30 days of my not signing in!) and am working to get it back. Just pay the $12/year for an account. I have about 20 dyndns entries on mine, some of which are laptops and PDA's that rarely connect. They don't pull the plug on you if you have a paying account. Still want the MCA boards? Send me a mailing address. I lost/forgot/misplace/too-lazy-to-look-for your mailing address. -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
#7
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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Hi!
Yech. Barbequed electrolytics. Actually--and amazingly--no, make that completely amazingly--they haven't suffered a bit! I borrowed an ESR meter and tested them. They seem to be good, and have no signs of bulging, leaking, etc. They're 105 C rated, so that probably helped. I still can't quite get over what a craptastic design idea that was. Incidentally, I just sent to the eWaste recyclers everything in my house, office, and storage dumpster, that was slower than a PIII. And here I am after just resurrecting a 386DX-40. What a seriously cool machine. I didn't even know I had it. I had one before that I put in a desktop case, but it disappeared in a basement flood and I thought I'd never find another one. Lo and behold, stashed in a storage unit that I'm giving up is the same Bioteq motherboard in a mini tower case. It works great and the onboard NiCad even seems to be charging up. Have I got any 30 pin SIMMs left to max it out? I love this old stuff and can usually find neat things to do with it. Just pay the $12/year for an account. I have about 20 dyndns entries on mine, some of which are laptops and PDA's that rarely connect. They don't pull the plug on you if you have a paying account. They didn't for six years, so I'm surprised. Looks like someone took the greyghost(.dyndns.org) part away. It's got my index page and nothing else. Not sure what's going on there...? I'll certainly give thought to getting a paid account with them, but right now I need to eliminate other debts first. Still want the MCA boards? Send me a mailing address. I lost/forgot/misplace/too-lazy-to-look-for your mailing address. Yep, got to do that. Stay tuned...it won't be long. William |
#8
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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"William R. Walsh"
m hath wroth: And here I am after just resurrecting a 386DX-40. Well, I guess raising the dead is a good pastime. I love this old stuff and can usually find neat things to do with it. I'll do us both a favor and not mention the junk I saved. Well, maybe a hint. I have a few Compaq Portable III lunchbox machines with plasma displays. http://members.tripod.com/~net2000plus/compaqiii.htm Just pay the $12/year for an account. I have about 20 dyndns entries on mine, some of which are laptops and PDA's that rarely connect. They don't pull the plug on you if you have a paying account. They didn't for six years, so I'm surprised. Looks like someone took the greyghost(.dyndns.org) part away. It's got my index page and nothing else. Not sure what's going on there...? Using NSlookup: Non-authoritative answer: Name: greyghost.dyndns.org Address: 88.214.200.163 Quite different IP from your but does bring up your home page. However, looking at the page source, there are no links to any of the tags. Methinks your index.html is busted or we're reading the page from your ISP's web server cache. No clue on the different IP's. Reverse DNS fails to resolve anything for 12.206.251.215 except that you're on an Mediacom line. RDNS for 88.214.200.163 points to someone in Amsterdam. Still want the MCA boards? Send me a mailing address. I lost/forgot/misplace/too-lazy-to-look-for your mailing address. Yep, got to do that. Stay tuned...it won't be long. Just send me the address. I just want the boxes of boards out of my palatial office. I keep tripping over them. We can argue what to extort from you later. -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
#9
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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![]() Incidentally, I just sent to the eWaste recyclers everything in my house, office, and storage dumpster, that was slower than a PIII. I kept a few boards, but all the old machines and most of the ISA and VESA boards went away. I can now almost walk into my office without climbing over a pile of computahs. Befo http://802.11junk.com/jeffl/pics/office/slides/IMG_0086.html After will have to wait until after I finish purging. Boy ! And I thought my workshop was bad ... Arfa |
#10
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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Arfa Daily wrote:
Incidentally, I just sent to the eWaste recyclers everything in my house, office, and storage dumpster, that was slower than a PIII. I kept a few boards, but all the old machines and most of the ISA and VESA boards went away. I can now almost walk into my office without climbing over a pile of computahs. Befo http://802.11junk.com/jeffl/pics/office/slides/IMG_0086.html After will have to wait until after I finish purging. Boy ! And I thought my workshop was bad ... Arfa AH, that guys looks like he really works in there ![]() -- "I'm never wrong, once i thought i was, but was mistaken" Real Programmers Do things like this. http://webpages.charter.net/jamie_5 |
#11
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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Jamie t hath wroth:
Arfa Daily wrote: Boy ! And I thought my workshop was bad ... Arfa I've seen worse. The breaking point was reached when a rather rotund customer literally could not enter the office due to the "canyon" created by all the piles of dead computahs. I also found myself using workbench space for storage and not being able to find things. When I converted the office desk into a work area, and found that I couldn't properly deal with the billing, it was time for a purge. I've been in the same office since about 1990, so I guess one purge every 17 years isn't too bad. AH, that guys looks like he really works in there ![]() Work? Yeah, I do that but mostly I needed the space so that I could sleep on the floor. Maybe I'll drag in a bicycle and rollers so I can get some exercise while waiting for Windoze to boot. The real me: http://802.11junk.com/jeffl/pics/jef...effl-wolf.html About 4MB. Give it time to load. http://www.LearnByDestroying.com/panorama/jeffl.htm Move mouse around image after it's done loading. -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
#12
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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Jeff Liebermann wrote:
Jamie t hath wroth: Arfa Daily wrote: Boy ! And I thought my workshop was bad ... Arfa I've seen worse. The breaking point was reached when a rather rotund customer literally could not enter the office due to the "canyon" created by all the piles of dead computahs. I also found myself using workbench space for storage and not being able to find things. When I converted the office desk into a work area, and found that I couldn't properly deal with the billing, it was time for a purge. I've been in the same office since about 1990, so I guess one purge every 17 years isn't too bad. AH, that guys looks like he really works in there ![]() Work? Yeah, I do that but mostly I needed the space so that I could sleep on the floor. Maybe I'll drag in a bicycle and rollers so I can get some exercise while waiting for Windoze to boot. The real me: http://802.11junk.com/jeffl/pics/jef...effl-wolf.html About 4MB. Give it time to load. http://www.LearnByDestroying.com/panorama/jeffl.htm Move mouse around image after it's done loading. you're setting a bad example to any customers watching this! Time is something you're not suppose to have! . It looks like you've had lots of it here! ![]() -- "I'm never wrong, once i thought i was, but was mistaken" Real Programmers Do things like this. http://webpages.charter.net/jamie_5 |
#13
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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![]() http://www.LearnByDestroying.com/panorama/jeffl.htm Move mouse around image after it's done loading. Sorry if I made you feel sick. I just couldn't help spinning you round and round ( and then round and round some more ... ) Arfa |
#14
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On Sun, 28 Oct 2007 16:45:40 GMT, Arfa Daily wrote:
Incidentally, I just sent to the eWaste recyclers everything in my house, office, and storage dumpster, that was slower than a PIII. I kept a few boards, but all the old machines and most of the ISA and VESA boards went away. I can now almost walk into my office without climbing over a pile of computahs. Befo http://802.11junk.com/jeffl/pics/office/slides/IMG_0086.html After will have to wait until after I finish purging. Boy ! And I thought my workshop was bad ... That's what *my* office/shop looks like _after_ I clean it up. Jonesy -- Marvin L Jones | jonz | W3DHJ | linux 38.24N 104.55W | @ config.com | Jonesy | OS/2 *** Killfiling google posts: http://jonz.net/ng.htm |
#15
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Posted to alt.sys.pc-clone.gateway2000,sci.electronics.repair
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On Sat, 27 Oct 2007 19:09:33 -0700, Jeff Liebermann wrote:
"William R. Walsh" m hath wroth: I think I found the problem I was having with a Gateway 2000 GP5-200 desktop computer. It would randomly freeze or drop into STOP errors. I started looking at the motherboard and found a voltage regulator attached to a beefy heatsink. Even with that, it still got too hot to touch for very long. If you look at the URL below, note the electrolytic caps sandwiched in between the two major fins on the heatsink. That can't be a great idea. Last I looked it had been up for over five hours now. I guess Gateway shouldn't have been so stingy with their idea to put another fan in place...maybe that's why I've never seen another one of these? http://12.206.251.215/gp5200/ Yech. Barbequed electrolytics. Forget the fan idea. Unsolder or just chomp out the caps. Replace them with caps that have LONG leads. Bend the leads away from the heat sink and over the edge of the motherboard. That should get them away from the heat without adding too much lead inductance. Incidentally, I just sent to the eWaste recyclers everything in my house, office, and storage dumpster, that was slower than a PIII. I kept a few boards, but all the old machines and most of the ISA and VESA boards went away. I can now almost walk into my office without climbing over a pile of computahs. Befo http://802.11junk.com/jeffl/pics/office/slides/IMG_0086.html After will have to wait until after I finish purging. Sorry for the cross-posting. It seemed like this topic would fit well in both groups. The IP is dynamic but should be relatively stable. I lost my DynDNS account (after six years, they killed it for 30 days of my not signing in!) and am working to get it back. Just pay the $12/year for an account. I have about 20 dyndns entries on mine, some of which are laptops and PDA's that rarely connect. They don't pull the plug on you if you have a paying account. Still want the MCA boards? Send me a mailing address. I lost/forgot/misplace/too-lazy-to-look-for your mailing address. Good slide show... Mine mess is in several rooms... JR the postman |
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