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Old 14 June 2012, 00:12   #1
altcomputing
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CyberStorm MK1 060 problem - delay line chip heat and freezes

Hi!

I have a problem with a phase5 CyberStorm060 CPU card. The card runs fine for 2-3 minutes, then start hanging up, and a few seconds later it goes into reset loop. I noticed that the DS1010S-50 delay line chip goes rather hot to touch, and as far as i know, it shouldn't.
This would explain hanging up, because from datasheets i read that it's delay lines may flow if temperature raises, so it crashes as soon as it's hot and lines go out of tune.
But why does it heat? I checked voltages and they are OK. The card otherwise works very well - if i put a radiator on this chip and blow a fan somewhere near, i manage to get stable operation for some time, depending on ambient temperature and type of fan. So heat is certainly a concern here.
Unfortunately, these chips are not available anywhere except for some suspicious chinese suppliers on the web. I couldn't scrap it from any of other boards i have.
So there's the question:
- Could somebody check temperature of DS1010S on his CyberStorm?
- Does anybody have one DS1010S spare (or compatible - 10 tap, 5ns/tap delay line)?
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Old 17 November 2013, 22:57   #2
cpiac64
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take ds1110s-50+
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