A cautionary tale

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   My first DS computer was my Dreadnaught.  I bought it with 2 670 GPUs and then replaced them with a 1080ti.  At some time my UPS battery back up failed and I replaced it.  Some time later, not sure how long, my 1080 Ti started to have coil whine.  Some thing convinced me that the mother board was going bad, so I ordered a new DS Lumos computer with no GPU.

After I received it I installed my 1080TI and was disappointed that my 1080 Ti still had coil whine.

Not too long ago I had to replace my replacement UPS battery backup failed so I plugged my computer directly into the wall and the coil whine disappeared.  I have since replaced my USP battery backup with a new one that is larger.  And no coil whine.  

I can only assume that  my coil whine was an inadequate battery backup all this time.  

I do have a new Lumos on order, and one of the reasons was to get something that did not have excessive coil whine.  

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Nomad1970 Members Profile Find Members Posts Add to Buddy List Senior Member Joined: 23 Feb 2013 Online Status: Offline Posts: 716	Quote Reply Topic: A cautionary tale Posted: 04 Mar 2023 at 7:25am
	My first DS computer was my Dreadnaught. I bought it with 2 670 GPUs and then replaced them with a 1080ti. At some time my UPS battery back up failed and I replaced it. Some time later, not sure how long, my 1080 Ti started to have coil whine. Some thing convinced me that the mother board was going bad, so I ordered a new DS Lumos computer with no GPU. After I received it I installed my 1080TI and was disappointed that my 1080 Ti still had coil whine. Not too long ago I had to replace my replacement UPS battery backup failed so I plugged my computer directly into the wall and the coil whine disappeared. I have since replaced my USP battery backup with a new one that is larger. And no coil whine. I can only assume that my coil whine was an inadequate battery backup all this time. I do have a new Lumos on order, and one of the reasons was to get something that did not have excessive coil whine.
	My Precious 2 I7-9700 oc 4.7GHz 32GB DDR4 3000MHz Corsair Vengeance RGB Pro SSD M.2 (512GB Samsung 970 PRO) SSD M.2 1TB Samsung 970 EVO 240GB Samsung 860 Pro SSD 1TB W.D. HD EVGA GTX 1080Ti

Hort Members Profile Find Members Posts Add to Buddy List Groupie Joined: 10 Jan 2022 Online Status: Offline Posts: 147	Quote Reply Posted: 04 Mar 2023 at 8:46am
	My old 1080 whine and seems like this was a common "known" among most users... in the end, it was always some combo of FPS + power draw.

Nomad1970 Members Profile Find Members Posts Add to Buddy List Senior Member Joined: 23 Feb 2013 Online Status: Offline Posts: 716	Quote Reply Posted: 04 Mar 2023 at 11:04am
	I remember going and reading about coil whine in the 10xx series, but for some reason I did not ever connect a faulty/underpowered battery backup as a problem.
	My Precious 2 I7-9700 oc 4.7GHz 32GB DDR4 3000MHz Corsair Vengeance RGB Pro SSD M.2 (512GB Samsung 970 PRO) SSD M.2 1TB Samsung 970 EVO 240GB Samsung 860 Pro SSD 1TB W.D. HD EVGA GTX 1080Ti

hoserator Members Profile Find Members Posts Add to Buddy List DS Veteran We don't need no stinking "Avatars" ! Joined: 08 Oct 2014 Online Status: Offline Posts: 7966	Quote Reply Posted: 04 Mar 2023 at 11:24am
	What model UPS do you have? I use an APC XS1500 and also have a ZeroSurge protector between it and the wall. The monitors and sound system are in a separate UPS. Overkill maybe but no issues except the normal battery replacement every so many years. And they both get a good workout during lightning/thunder storm season.

Nomad1970 Members Profile Find Members Posts Add to Buddy List Senior Member Joined: 23 Feb 2013 Online Status: Offline Posts: 716	Quote Reply Posted: 04 Mar 2023 at 12:16pm
	I had it on a APC BE600M1 and now it is on an APC BE 850M2 I think that is enough given I have a Corsair 850W power supply. Plus the Heaven BM does not cause any coil whine I am not as worried about how long the computer stays up, we do sometimes have momentary power outages, often only for a few seconds. Edited by Nomad1970 - 04 Mar 2023 at 12:22pm
	My Precious 2 I7-9700 oc 4.7GHz 32GB DDR4 3000MHz Corsair Vengeance RGB Pro SSD M.2 (512GB Samsung 970 PRO) SSD M.2 1TB Samsung 970 EVO 240GB Samsung 860 Pro SSD 1TB W.D. HD EVGA GTX 1080Ti

A cautionary tale

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