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Old 09-07-2001, 03:53 PM
Peter Duemmler Peter Duemmler is offline
Join Date: Dec 1969
Location: Neuwied, Germany
Posts: 787
Default Cause for DSP failure?


Today something on one of my DSP Farms (PCI) died. Digitest fails on some test on DSP chip #4 of the card (AFAIR RAM tests).
What can cause such a hardware failure?


BTW: IMO the price that Digi wants for the repair is MUCH too high - it´s 970,- DM.
And I´ve got to ship it to Ireland (from Germany). :-(
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Old 09-07-2001, 06:16 PM
shaggy shaggy is offline
Join Date: Jan 2000
Location: United States of Amnesia
Posts: 1,983
Default Re: Cause for DSP failure?

Not specific to DSP chips-

But VAR (resistor) circuits that channel high voltage to ground (cheap power strips) can cause problems.

Cisco's website has a little more detail regarding this. Most CPUs require chassis ground for clocking. So become sensitive to any extra voltage on the ground.

Or ground differential? (two ground voltages that differ)
"The original nipper" Throw me a bone (Telefunken DI is ok too)
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