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#1
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motherboard problems
Hi everybody.
I'll first get the specs out of the way: IWill K266 MoBo ATX 235W power supply 512MB SDRAM AMD Athlon XP 1400 + cooler Radeon 9600pro 128 80GB HDD Recently I have had problems with my computer (random freezes). I have checked each component one by one and concluded that the problem was in the motherboard. Anyway, I decided to buy a new one, and I was "lucky" to find an older model still on sale. It was an ECS K7S6A. I also acquired 512MB DDRAM (which btw works OK in other comps). I hooked everything up, but after pressing power-on nothing happens. Actually, the CPU cooler starts to spin for half a second and then stops. Also, a little red light which signals memory check (I think) turns on and immediately off. After that everything is dead. I have read the manual through and through, checked all the connections, everything is by the book. I hooked up the old motherboard just for checking up, and it works fine (apart from infreqeuent freezes). The new one, though, just sits dead, like there's no power at all. What could be the cause of this? It's an ATX motherboard and the power supply is 235W, so I cannot believe that they are not compatible. Can someone help me with this? Thanks in advance. Cheers! |
#2
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Your symptoms are of a short on the
power supply, which is then turning off to protect itself. You'll have to pull parts out and try them one by one. Try starting with just the mobo/cpu. "horseface" wrote in message ... Hi everybody. I'll first get the specs out of the way: IWill K266 MoBo ATX 235W power supply 512MB SDRAM AMD Athlon XP 1400 + cooler Radeon 9600pro 128 80GB HDD Recently I have had problems with my computer (random freezes). I have checked each component one by one and concluded that the problem was in the motherboard. Anyway, I decided to buy a new one, and I was "lucky" to find an older model still on sale. It was an ECS K7S6A. I also acquired 512MB DDRAM (which btw works OK in other comps). I hooked everything up, but after pressing power-on nothing happens. Actually, the CPU cooler starts to spin for half a second and then stops. Also, a little red light which signals memory check (I think) turns on and immediately off. After that everything is dead. I have read the manual through and through, checked all the connections, everything is by the book. I hooked up the old motherboard just for checking up, and it works fine (apart from infreqeuent freezes). The new one, though, just sits dead, like there's no power at all. What could be the cause of this? It's an ATX motherboard and the power supply is 235W, so I cannot believe that they are not compatible. Can someone help me with this? Thanks in advance. Cheers! |
#3
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horseface wrote:
Hi everybody. I'll first get the specs out of the way: IWill K266 MoBo ATX 235W power supply 512MB SDRAM AMD Athlon XP 1400 + cooler Radeon 9600pro 128 80GB HDD Recently I have had problems with my computer (random freezes). I have checked each component one by one and concluded that the problem was in the motherboard. Anyway, I decided to buy a new one, and I was "lucky" to find an older model still on sale. It was an ECS K7S6A. I also acquired 512MB DDRAM (which btw works OK in other comps). I hooked everything up, but after pressing power-on nothing happens. Actually, the CPU cooler starts to spin for half a second and then stops. Also, a little red light which signals memory check (I think) turns on and immediately off. After that everything is dead. I have read the manual through and through, checked all the connections, everything is by the book. I hooked up the old motherboard just for checking up, and it works fine (apart from infreqeuent freezes). The new one, though, just sits dead, like there's no power at all. What could be the cause of this? It's an ATX motherboard and the power supply is 235W, so I cannot believe that they are not compatible. Can someone help me with this? Thanks in advance. Cheers! The K7S5A was known to need a /good quality/ 400W PSU to operate properly. I assume the K7S6A, which I've not heard of, is no different. Remove the board from the case, install one module of RAM, the CPU, and the video card. See if it boots. Install additional hardware from this point. |
#4
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On Sat, 2 Apr 2005 17:43:43 +0200, "horseface"
wrote: Hi everybody. I'll first get the specs out of the way: IWill K266 MoBo ATX 235W power supply 512MB SDRAM AMD Athlon XP 1400 + cooler Radeon 9600pro 128 80GB HDD Recently I have had problems with my computer (random freezes). I have checked each component one by one and concluded that the problem was in the motherboard. How so? You're aware that an inssufficient power supply can kill boards? I'd get a different PSU, 235W is simply not suitable for the described parts. Anyway, I decided to buy a new one, and I was "lucky" to find an older model still on sale. It was an ECS K7S6A. I also acquired 512MB DDRAM (which btw works OK in other comps). Hmm. You are aware that you could've chosen even the "newest" models of socket A boards, that they'd have been a better choice? ECS was/is maybe an arguable value at the very start of socket a, as at the time it was the newer and thus more expensive technology, but today... a nature nForce2 board from Asus, Abit, Gigabyte or MSI would've been the best bet, particularly given the willingness to use DDR memory. I hooked everything up, but after pressing power-on nothing happens. Actually, the CPU cooler starts to spin for half a second and then stops. Also, a little red light which signals memory check (I think) turns on and immediately off. After that everything is dead. After "everything is dead", what is then necessary to repeat this cycle? Do you have to manually hold in the power button or press it twice, or just once, or do you need to unplug AC for a few seconds and/or ??? Strip system down to minimal components necessary to get it to POST. This means removing all drives, and preferribly swapping in an old low-powered video card, lightening the load as much as possible for the quesitonable 235W PSU. I have read the manual through and through, checked all the connections, everything is by the book. I hooked up the old motherboard just for checking up, and it works fine (apart from infreqeuent freezes). The new one, though, just sits dead, like there's no power at all. Two boards may draw different amounts of power, have different margins due to chipset voltages, have random unforseeable memory incompatibilities, or it could just be a common setup mistake like having case-board standoffs in positions where there shouldn't be any, and that are shorting out the board from the back. What could be the cause of this? It's an ATX motherboard and the power supply is 235W, so I cannot believe that they are not compatible. Can someone help me with this? "Compatible" in that they're both ATX, sure, but compatible in a zen sort of way, not necessarily. ATX PSU range from 50W past 600W, with your target needs being around 350W... not actually that high total output BUT due to the combination of CPU and video you may have a disproportionate draw on 5V amps at present. If you've a multimeter you might take voltage readings, particularly of that 5V rail while system is initially turned on, right before it shuts off. Stripping system down to least parts possible is the best that might be done with present parts, but ideally you would eliminate as many variables as possible by using only known-viable/adequate parts and introducing as few variables as possible. Who knows, maybe your old board still works too... Try clearing CMOS on either/both boards. |
#5
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That power supply unit is too underpowered, and possibly unstable, to run
that system. -- DaveW "horseface" wrote in message ... Hi everybody. I'll first get the specs out of the way: IWill K266 MoBo ATX 235W power supply 512MB SDRAM AMD Athlon XP 1400 + cooler Radeon 9600pro 128 80GB HDD Recently I have had problems with my computer (random freezes). I have checked each component one by one and concluded that the problem was in the motherboard. Anyway, I decided to buy a new one, and I was "lucky" to find an older model still on sale. It was an ECS K7S6A. I also acquired 512MB DDRAM (which btw works OK in other comps). I hooked everything up, but after pressing power-on nothing happens. Actually, the CPU cooler starts to spin for half a second and then stops. Also, a little red light which signals memory check (I think) turns on and immediately off. After that everything is dead. I have read the manual through and through, checked all the connections, everything is by the book. I hooked up the old motherboard just for checking up, and it works fine (apart from infreqeuent freezes). The new one, though, just sits dead, like there's no power at all. What could be the cause of this? It's an ATX motherboard and the power supply is 235W, so I cannot believe that they are not compatible. Can someone help me with this? Thanks in advance. Cheers! |
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