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  #191  
Old 08-10-2019, 08:41 PM
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

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Originally Posted by musicman691 View Post
Do you have some kind of system monitor s/w like iStat Pro to tell what the temps are and what the fans are doing?
IStat Menus has a free 2 week trial. iStat tells you everything and then some.
I belive the operating safe max of the 970 is 176 degrees fahrenheight, 80 degrees celcius.
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  #192  
Old 08-10-2019, 09:49 PM
Darryl Ramm Darryl Ramm is online now
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

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Originally Posted by ghostwriter View Post
IStat Menus has a free 2 week trial. iStat tells you everything and then some.
I belive the operating safe max of the 970 is 176 degrees fahrenheight, 80 degrees celcius.
It's more complex that that. There is no simple "safe temperature" cell failure and and other bad things happen as temperature increase and the behavior of thermal throttling has a lot of hysteresis that can whack performance until the drive cools down, say during thing like backup and restore operations. And it is the throttling you are trying to avoid not avoiding harming the drive... in many installs throttling will protect the drive from really bad things, but you need to protect the drive from throttling. e.g. for a flavor see http://www.cdrlabs.com/reviews/samsu...-thoughts.html
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  #193  
Old 08-11-2019, 06:33 AM
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

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Originally Posted by musicman691 View Post
I don't think the heat load IS a worry to tell the truth.

So yeah - your machine is pretty well isolated from whatever hard surface is underneath it. Do you have some kind of system monitor s/w like iStat Pro to tell what the temps are and what the fans are doing?
No I don't have any way to monitor
And maybe it is or maybe it is or isn't a worry. I am not tech savvy enough to make a knowledgeable statement or guess either way
But given the fact that there have been numerous threads involving heat issues and throttling in IMac's , Mac Mini's , and notebooks (granted all different than Cheesegrater space and cooling wise ) all using NVMe tech, it seems increased heat from NVMe use, is a consideration in a general sense .


Then also common logic kinda dictates that if it wasn't a worry, the Crest would not have fan.

There is little reason to suspect that Crest would go the added expense to design and implement placing a totally needless fan in the mfg process. As it makes no logistical or even profit increase sense to do so in general. Because mfg profit margin is usually based on a fixed % over cost, and needlessly increasing cost and reflecting it in price, nets a Zero Sum gain (something I do know something about)

I have so far opened and played around with about 10 previous sessions and I think (if I remember correctly) they include a couple sessions I would get "can't get audio fast enough" CPU errors . Which so far has not happened which if continues, is a definite improvement and things do seem snappier (but that could be conformation bias kicking in ) but so far I am pleased and now just contemplating the next move to install Mojave

But as I said this all way above my pay grade

My real world test will be when I do a new music video in FCPX and check out the rendering time.
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Avid HD Omni I/O Interface ...Mid 2010 Mac Pro/ processor- 3.33 6-core Intel Xeon "Westmere" w/ Memory- 24 GB, Radeon Pulse RX 580 8GB GDDR5 Dual HDMI Graphics Card..... OS- Mojave 10.14.6, and PTHDN 2019.6 on on primary boot drive (SSD PCIe 512 GB Samsung SM951) FCPX files storage on Samsung 970 EVO 1TB and PT sessions storage on 2nd Samsung 970 EVO 1 TB -- both in dual drive Crest I/O PCIE controller adaptor card


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Last edited by K Roche; 08-11-2019 at 07:09 AM.
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  #194  
Old 08-11-2019, 06:42 AM
WorldStudios WorldStudios is offline
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

Update. I found the screw driver and the screws hidden underneath all the styrofoam. I will have to tear it out again some day. It has however worked flawlessly for a week without the screws that hold the blades down.

I would not dream of disabling the fan in the crest card, but I will say this. I have a sintefex cx2000 which has a way too noisy fan. I asked sintefex and they said the fan in probably only necessary if you add the ad/da card that literally would fill half the box which is now empty in my unit. I disabled the fan and tested it. it didn’t even get warm. So I kept it out. That was 15 years ago and it still rocks.
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  #195  
Old 08-11-2019, 08:15 AM
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

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Originally Posted by Darryl Ramm View Post
It's more complex that that. There is no simple "safe temperature" cell failure and and other bad things happen as temperature increase and the behavior of thermal throttling has a lot of hysteresis that can whack performance until the drive cools down, say during thing like backup and restore operations. And it is the throttling you are trying to avoid not avoiding harming the drive... in many installs throttling will protect the drive from really bad things, but you need to protect the drive from throttling. e.g. for a flavor see http://www.cdrlabs.com/reviews/samsu...-thoughts.html
Thanks for the link.
Very interesting. I did not know that.

EDITED: MY FAN IS RUNNING NON-STOP. Sorry for misspeaking.
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Last edited by ghostwriter; 08-11-2019 at 02:50 PM.
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  #196  
Old 08-11-2019, 08:18 AM
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

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Originally Posted by WorldStudios View Post
Update. I found the screw driver and the screws hidden underneath all the styrofoam. I will have to tear it out again some day. It has however worked flawlessly for a week without the screws that hold the blades down.
Glad you found those parts.
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  #197  
Old 08-11-2019, 08:21 AM
rballister rballister is offline
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

Ghostwriter I've been following your many trials and tribulations since the beginning of this thread. I have a Mid-2010 Cheesegrater (new term for me but I like it) and was considering what you were doing, Crest card with two NVMe drives, one as a boot drive with ProTools the other with instruments. The question I have is are you getting out of this what you thought you would, specifically when using ProTools. Haven't forgotten Arche3's comment several pages back " I don't think protools will use 5 percent of the bandwidth of these things." I currently have an SSD boot drive with ProTools in a PCi slot and an SSD in one of the bays with instruments. With a little drive shuffling I could get both SSDs in PCi slots. Unless you were starting from scratch or one of your old drives went bad I'm wondering if all this is worth what you would get out of it using ProTools.
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  #198  
Old 08-11-2019, 08:22 AM
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

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Originally Posted by K Roche View Post
I have so far opened and played around with about 10 previous sessions and I think (if I remember correctly) they include a couple sessions I would get "can't get audio fast enough" CPU errors . Which so far has not happened which if continues, is a definite improvement and things do seem snappier (but that could be conformation bias kicking in ) but so far I am pleased and now just contemplating the next move to install Mojave
Congrats on getting it all working.
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  #199  
Old 08-11-2019, 08:29 AM
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

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Originally Posted by rballister View Post
Ghostwriter I've been following your many trials and tribulations since the beginning of this thread. I have a Mid-2010 Cheesegrater (new term for me but I like it) and was considering what you were doing, Crest card with two NVMe drives, one as a boot drive with ProTools the other with instruments. The question I have is are you getting out of this what you thought you would, specifically when using ProTools. Haven't forgotten Arche3's comment several pages back " I don't think protools will use 5 percent of the bandwidth of these things." I currently have an SSD boot drive with ProTools in a PCi slot and an SSD in one of the bays with instruments. With a little drive shuffling I could get both SSDs in PCi slots. Unless you were starting from scratch or one of your old drives went bad I'm wondering if all this is worth what you would get out of it using ProTools.
For me it was a HUGE improvement in speed. But, I was running the stock SATA Mac Bay drives. In Pro Tools, Sytem Usage shows my CPU at 1% sometimes jumping to 2%. Before I was at 65% to 70% on the same session. Everything is faster for me. YMMV.
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  #200  
Old 08-11-2019, 09:29 AM
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K Roche K Roche is offline
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Default Re: NVMe upgrade for Mac Pro 4.1/5.1 Mojave

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Originally Posted by ghostwriter View Post
FYI: My Crest fan has not turned on once.
Are you able to determine that from the iSat app ?
The reason I ask is because that being the case I am now wondering if the extra fan noise may be the bottom of crest card resting on/touching the top of the Sapphire RX580 fan housing as it seemed pretty tight when I put the Crest in
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Avid HD Omni I/O Interface ...Mid 2010 Mac Pro/ processor- 3.33 6-core Intel Xeon "Westmere" w/ Memory- 24 GB, Radeon Pulse RX 580 8GB GDDR5 Dual HDMI Graphics Card..... OS- Mojave 10.14.6, and PTHDN 2019.6 on on primary boot drive (SSD PCIe 512 GB Samsung SM951) FCPX files storage on Samsung 970 EVO 1TB and PT sessions storage on 2nd Samsung 970 EVO 1 TB -- both in dual drive Crest I/O PCIE controller adaptor card


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Enjoy the Journey
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