PCI express to PCI adaptors and enclosures and Mac Pro.

although this isn't directly linked to logic pro... but is is audio related....
I'm upgrading from a 2006 G5. mainly because the my G5 died, and i've been thinking about upgrading for a while anyway.
so, my problem is, as the mac pro has pci express slots. and i have some hardware that is a PCI card i want to use. that being this....http://www.rme-audio.de/enproducts_hdsp9652.php
i've been looking for a "tidy" solution to this problem and i've found this.... http://us.startech.com/product/PEX2PCI4-PCI-Express-to-Four-Slot-PCI-Expansion-B ay
my main question is of coarse, will this work? and if it does, will it weaken the "signal" and connection for the RME card. or would it run just as well?
and help and advise on this would be greatly received.

Grant Bennet-Alder wrote:
[ . . . ] has no support for Mac OS anything.
the startech web page cited does say no driver or software installation required. Does that imply larger compatility, say with the mac, i wonder.

Similar Messages

2 port e-Sata PCI-Express card in my 2008 8 core Mac Pro

Hi. I have a question for you guys. I just purchased a PCI-Express e-SATA card for my 2008 Mac Pro 8 cores and i'm wondering if i have to connect it to one of the two connectors on the motherboard or do i simply slide in the card? The reason i'm asking is that the connector cable where not provided with the card and it says optional on the package.
Thank you in advance for your help.
Yvon.

Just to help clarify: The 2 port eSATA card that you bought just needs to be installed in the PCIe slot of your MP, just don't install in slot 2. The two extra internal SATA ports are designated for use for optical drives, but will work for internal or external hard drives as well. They don't need to be connected to the eSATA card that you bought. However if you want to use these ports to run 2 more eSATA drives, you can buy a cable set that will route these ports to the back of your MacPro for about $25. The one limitation is that drives hooked to these internal ODD ports can't be hot swapped, whereas drives attached to the eSATA card you bought should be hot swappable. Hope this helps!

Will OSX support Adaptec PCI Express scsi cards in an early 2008 Mac Pro?

I need to move my scsi interface scanner from a G4 machine and the old PCI Adaptec AHA 2930 CU card won't fit. I was using Snow Leopard on the G4 unit - it still supported the Adaptec card and all was good. My 23" Cinema display then bit the dust and I replaced it with with a 24" Cinema display with the mini display port connector. I purchased an adapter from Kanex to make it compatible, but the adapter was defective - so I returned it. Their reviews aren't very good - seem to have a lot of D.O.A. adapters - not sure I want to deal with the frustration, but it would be the least expensive option.
I do have, however, an early 2008 Mac Pro that I can use, provided that it supports the newer PCI Express scsi cards that Adaptec makes. I'm not sure which one to get yet, either. I'd rather not buy one and find out it won't work. I can make a partition on the boot drive for Snow Leopard in case scsi isn't supported in later versions of OSX. In case you're wondering, I did use a scsi to firewire adapter to run the scanner on my laptop for a while - but it stopped working and I can't locate any replacements (or the company - 2nd Wave Technologies - for that matter). I haven't tried locating a scsi to usb adapter, but from what I can see, they are getting pretty scarce. I'd replace the scanner, but it is fairly pricey and the newest model retails at the price of a small car - so that really isn't an option at this point.
Thanks in advance for any info.
Message was edited by: Jakob Richardt
Changed name of display adapter manufacturer.

Thanks for the response - I guess the question I should have asked is "Will OSX support scsi cards in an early 2008 Mac Pro and if so, which ones?" I didn't realize Apple and Adaptec weren't working together - my G4 tower arrived with an Adaptec card in it when I bought it in 2000 (from a third party vendor, not directly from Apple). It came with either OS 8.* or OS 9. When I updated to OSX, everything continued working, so I didn't think much about it until I pondered using the Mac Pro for the scanner - at some point the G4 is going to stop working - need to have a solution before that happens. The manuals I've been reading refer to the slots in the G4 machines as PCI. The manual for the Mac Pro refers to the slots as PCI e. These slots have fewer connectors, so I thought that the "Express" part of the name referred to this particular card configuration when compared to the longer card connectors in the G4 type of machines.
Can you tell me what scsi card brands will work in the Mac Pro? I'd still like to pursue this option. As I mentioned in my original post, buying a new scanner isn't in the cards right now - it costs more than the computer, so, although pricey, the card option is still less expensive.
Thanks!

How to get WHAT U HEAR option for PCI Express X-Fi Titanium sound card and Windows 7

how to get WHAT U HEAR option for PCI Express X-Fi Titanium sound card and Windows 7 ? Is it on the basic driver? or do you have to install some other software?
jane

You have to install the rest of the software(s) for the sound card. The software is (if it is with the installation CD, though) called "Creative Smart Recorder" or something like that.

Anybody using a PCI-Express to PCI Adapter for your legacy audio hardware?

Anybody using one with success? I dint think there was such a thing until I found this http://www.virtuavia.eu/shop/pci-express-to-pci-adapter-p29855.html.
If you have used one or are researching one for yourself, could you please provide make, model, a link to company website and any comments.
Thanks,
I have an old Echo Gina24 card thats not worth selling and still works great on my PC.

Grant Bennet-Alder wrote:
[ . . . ] has no support for Mac OS anything.
the startech web page cited does say no driver or software installation required. Does that imply larger compatility, say with the mac, i wonder.

Premiere Pro CC and the New Mac Pro (2014)

I'm expecting delivery soon of a new Mac Pro, nicely loaded, which I purchased mainly because of all the work I do with video. Yet, I read in a review that Adobe Premiere Pro isn't optimized to take advantage of the new Mac Pro, won't run faster, and I'm better off using Apple's Final Cut.
1. Is this true?; and
2. If so, will Premiere Pro be updated any time soon to run best on a 2014 Mac Pro?
My new Mac Pro will have the following configuration:
3.5GHz 6-core with 12MB of L3 cache
32GB (4x8GB) of 1866MHz DDR3 ECC
1TB PCIe-based flash storage
Dual AMD FirePro D700 GPUs with 6GB of GDDR5 VRAM each

My main problem is that when i export using gpu open gl it crashes hard boot the mac pro. A 3 min timeline with 4k footage n a bunch of color grading. I get lucky if the timeline is shorter. But i think it is a gpu issue n my mac must be fixed. Currently under apple tech support. N my case is unique. No one has had the same issue and that makes it harder for me to figure the isse and to apple figure the issue.
If i export using software only mercury then the export goes smoothe no mattrr how long. But that defeata the point of owning a mac pro with 2 GPUs
Enviado desde mi iPhone
El 29/03/2014, a las 01:51 p.m., BanksMeador <[email protected]> escribió:
Re: Premiere Pro CC and the New Mac Pro (2014)
created by BanksMeador in Premiere Pro - View the full discussion
I have had my 12 core 2014 Mac Pro for a couple of weeks now, and I'm not very impressed with Premiere CC performance with 4K R3D on a 1920 x 1080 timeline.
I understand that there may be an update soon that will take adantage of the CPU's and GPU's when it comes to the complex task of de-bayering the R3D footage, but it's just not there now.
I get similar playback performance to what I experienced on my 09 Mac Pro tower.
Any insights on getting better playback performance in this scenario would be greatly appreciated.
Thanks!
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Hi! is it possible that Logic X has upgrades that work only with mavericks and does t work in mountain lion....since in my macbook pro with mavericks i have new views of the equalizer, etc and in my mac pro with mountain lion it still the old view...

Hi! is it possible that Logic X has upgrades that work only with mavericks and does t work in mountain lion....since in my macbook pro with mavericks i have new views of the equalizer, etc and in my mac pro with mountain lion it still the old view...

Any OS version of 10.8.4 or later has all features that are not OS depended. The plugins are one example. You probably haven't updated all versions of Logic Pro X to the latest one.

Enclosure 2013 Mac Pro SSD

is there any device (enclosure, housing, hub, adapter, cable, etc) which allows me to take the SSD out of my cylinder Mac Pro and connect it to an other device (MacBook Pro, iMac, ...) over USB, Thunderbolt or what ever?
i found a lot of those cases where you can put in a PCIe SSD (similar as used as in the Mac Pro) but the interface doesn't fit (wrong amount of pins).
So does anyone know one of those devices working for that SSD?
Kindest regards, Mathias

Apple intended the original limited-size internal SSD in the black cylinder Mac Pro as a Boot & Applications Drive. It was assumed that most Users would place their files on other External drives. If you needs are modest (limited to one or two drives) you can use USB-3 drives, all others need to commit to ThunderBolt drives.
There are three different popular types of SSD drives/interfaces:
1) The first on the market had a SATA interface, and were packed in a 2.5-in "can" like a notebook Hard Drive.
2) The second were "stick" form factor and had a direct mini SATA interface. These were used in certain MacBooks.
3) The third are also "stick" form factor, and have a direct mini PCIe interface. These are rare, and enclosures that support this interface are rarer still. These are used in some current MacBooks and the late-2103 black cylinder Mac Pro.
To re-purpose the one currently inside a Mac Pro, you would need BOTH:
a) A better replacement that actually has the required mini PCIe interface.
b) a thunderbolt or USB-3 enclosure with a Mini PCIe interface inside.

PCI Express X-FI Xtreme Audio - Mic and mixer problems

6PCI Express X-FI Xtreme Audio - Mic and mixer problems' Trouble started two days ago when I updated to the latest X-FI drivers. Now I have no mixer and I can't figure out how to get my mic to work. The only thing that has changed is the updating of drivers. I am using senheiser headphones with mic for use on ventrillo. In the old set up I could go into the mixer and tell the software that the Line-In was a mic and it would work perfectly. Now I can't get the mic to work at all since there is no creative mixer. The windows mixer doesn't allow you to do anything worth wild.
I don't have the old software so I can't go back to the old setup. I am using Vista 64. What the heck am I doing wrong? Why won't the software now recognize that I am plugging in a mic!?!?!?
BAH!!!!
PLEASE HELP!

Doesn't Vista have some sort of automatic checkpointing feature that gives you a way to back up to a point before you updated the drivers?
-Dave
?[email protected]

5770 and 5870 in Mac Pro 2009 - noisy PCIe expansion bay fan

I replaced the Geforce GT120 by the ATI radeon 5770 in my Mac Pro Quad 2.66 Nehalem. I had severe trouble with the speed of the fan of the PCI-e expansion bay: 2000 RPM and really noisy. After 30-60 minutes it slowed down and became silent, but upon reboot the noise and the high speed were there again.
I have sent the 5770 back to Apple. I am considering to try the 5870, but I am afraid I will be in trouble again.
With the GT 120, the fan speed is only 800 RPM and the Mac is silent. The ATI Radeon cards require one or two power cables connecting to the logic board.
Could that be the cause of the problems or was the 5770 a bad card? Or is it the logic board. I ran the Apple Hardware Test. everything was OK.
I checked it with Techtool Pro and there were no problems found.
Any help would be much appreciated. I have zapped the PRAM and reset the SMC without result.
Kind regards and thanks of reading.

If it is any consolation I have the same machine and installed the Radeon 5770 and have intermittent high expansion bay fan speeds (1400-2400rpm). I just checked this board today because it seems more noisy today than in a while and the ambient air is listed as 78 degrees F. The card has it's own fan and exhaust slots in the back of the card and the air from them is warm but not what I would consider hot. I had had two video cards and a eSATA card installed and never had a problem. Now with just this card and the eSATA it exists. I'm betting if I call Apple about it they will tell me it's only listed on their site as compatible with the 2010 Mac Pros, so, for now I will live with it.

PCI Express or pci-X?

I have read everything from Apple online and I must say Im not sure why they are offering both. Maybe its because I dont know enough about each or the advantages? Im assuming that PCI-X is a way of not scaring off everyone befroe they totally switch over. Is PCI and PCI-X relatively the same? I know express is newer. Is the express the move for the future? Also are the dual-cores the 'tels we have been waiting for? Bored and feel like answering my not so urgent questions, great! I would love to here some people responses who particulary use these computers for graphics as well.

Hi Siege,
Im assuming that PCI-X is a way of not scaring off everyone befroe they totally switch over.
That's right. At launch time, the dual-core Power Mac G5s lacked PCI slots for backwards compatibility. A lot of pro equipment comes in the form of PCI or PCI-X cards. For those who want to keep their heavy investment in third party equipment, the older 2.7GHz G5 with PCI-X is still an option.
PCI-X is an extension of PCI. 3.3v PCI cards go into PCI-X slots quite nicely. Still, PCI is running out of steam in terms of bandwidth.
PCIe is a radical departure from PCI. Each PCIe device gets a direct link instead of sharing the bus with the other devices. Bandwidth is greatly improved as well by simply increasing lane width instead of hard to improve raw clock speed. With this big push, expect to see more PCIe cards in the near future.
The dual-core G5s are still PowerPC. The Intel-powered Macs won't appear until next year at the earliest.
Basically if you don't have any PCI-X cards or a sizable sum of DDR SDRAM, go for the newer PCIe G5s.

Powercore core express (3.0.2) and overloads on mac pro systems

Hi,
just found this info regarding the 3.0.2 software update for TC powercore:
"Known issues: On some Mac Pro systems, loading multiple plug-ins on a powercore express can create overloads and drop-outs. If you experience this please get in touch with TC support team"
Cheers Eddie

Hi,
I have the same problem. Moved my M500 960 Gb from my MBP 17" early 2011 due to graphic card failure (a shame Apple does not offer a recall for this factory faulty units), and then purchased a USB 3.0 enclosure and when connected to my MBP 15" purchased on may 2014, it finds the drive and then drops it almost immediately with the disconnection message usually OS X shows when abruptly disconnecting a mounted drive.
Maybe the drive is dwaing too much power from the USB ? Maybe OS X is dropping the connection due to a driver problem ? I don't know for sure.
I hope someone could give us some light and this could be solved without having to carry around a powered USB hub.
Regards.

SolidWorks x64 Edition up and running on Mac Pro

I have the 64-bit version of Solidworks running on my Mac Pro and it's a screamer!
I used Solidworks 2007 x64 Edition on Windows XP x64 Professional on my Mac Pro for a solid 3 hours today at work. I had no problems other than a slow SATA hard-drive issue that is well known and remains unfixed on my machine. However, once Windows has loaded the registry with the program guts it runs like a top, just don't expect it to load up a program for the first time blazingly fast and you'll be fine.
Be that as it may, even with all the hardware issues I still have, SolidWorks is AWESOME on the Mac Pro, even better than any other Intel boxes I've used previously. To be fair, I don't have any experience with SW 2007 x64 on real XP x64 box.
(I posted this on another thread earlier, but at the time I didn't know what I was doing. I felt this information would be of better use under this category.)
For those who want to do this and run the x64 version of XP here's the drivers and the drill:
My Windows software is sourced from a free download of x64 120 day trial version from Windows.
Interestingly enough, I called Microsoft and asked what happens after 120 days, the answer was...."I don't know"...
weird.
Anyway, for those who don't know how to get the format of the download file to be correct for Boot Camp to recognize it as a Windows CD, here's the procedure.
This is all done on the Mac Pro.
1. Download XPx64 from: http://www.microsoft.com/windowsxp/64bit/facts/trial.mspx
2. Open Disk Utility
2. Double click downloaded file: WS03SP1RTM_1830_PX6EN.iso (this will allow you to see it in Disk Utility)
3. In Disk Utility select the WS0...EN.iso file mentioned previously and click the "convert" button.
4. When the "Save as" box pops up set the location to wherever you want ( I named the file the same name w/o the .iso extension and put it on my desktop) and set the Image Format to "DVD/CD master", Encryption to "none"
5. After saving the file, it will show up with a new extension *.cdr. Double click this file in the Disk Utility drive list.
6. After Finder finishes launching the file, go back to Disk Utility and select your new *.cdr file and click the Partition button to the right.
7. Once in the partition window, select Options and set the partition scheme to "Master Boot Record", hit OK.
8. After getting back in the partition window, select Volume Scheme and set to "1 partition", The size should be around 558.62 MB (don't worry about the format set to mac OS extended and the other greyed functions)
9. Select the Burn icon, insert your CD-R, set your post burning options, and have a Coke and a smile. Verify the file format is ISO 9660 file system by selecting the "get info" on the CD under "Finder".
**TIP #1 - make sure you've printed out the e-mail from Microsoft outlining the setup instructions and including the CD-Key. Don't be like me and get 98% through the Windows setup where it asks you for CD-Key and have to power off the computer and get it out of OS X.**
**TIP #2 - Since you are using an Apple keyboard Windows doesn't seem to be able to use it on the blue screen portion of the install. My remedy (after assuming the install locked up 6 times in a row) is to go find a cheap-o usb keyboard and mouse lying around (probably standard Microsoft stuff in your closet) and plug it in to be back of your Mac Pro tower. You do not need to go through the Mac OS hardware setup thing that pops up.
10. After printing out your MS instruction e-mail and plugging in your keyboard and mouse (see above), launch Boot Camp (don't even try to use the driver CD it makes, it's useless for XP x64) and install XP x64.
11. Have a beer and a smile, you will need the alcohol in your blood from here on out.
**TIP #3 - go buy 2 or 3 magazines and get a comfortable chair.**
12. Install Windows, follow the Boot Camp Beta instructions carefully until you get to the part where you install the driver CD. It won't work.
13. Follow these links to get the x64 drivers:
Audio: http://www.realtek.com.tw/downloads/dlhd-2.aspx?lineid=2004052&famid=2004052&ser ies=2004061&Software=True&title=HD%20Audio%20CODECs
Nvidia Graphics driver for the 7300GT (remember, this is for Win XP x64 edition so it's not the same as the regularly posted 32 bit version):
http://www.nvidia.com/object/winxp64_91.47.html
LAN drivers (Be sure to get the x64 version):
Download PROEM64T.exe from the Intel website
13. Update Windows.
**NOTE: I am still having the same driver issues as others that have installed XP x64 on a Mac Pro, for example the Apple keyboard and mouse function, but the CtlAltDel and Eject CD disk remain non functional.**
14. Install SolidWorks 2007 x64 from the included DVD in your software update box that came in the mail last week.
15. GO TO BED...IT'S 4:30 am!!!
Mac Pro Mac OS X (10.4.7) Microsoft XP x64 Professional
Please correct me on any driver postings if they are in error or missing. These are the ones I used and they are working for me. I do not claim to be a guru (this is only my 7th day of using Macintosh in my entire life), I'm just a CAD guy that has a MacNut for a boss. It was either adapt or die, so I'm hapilly adapted.
Mac Pro Mac OS X (10.4.7) Microsoft XP x64 Professional

Alright CT, here's the deal.
You'll need to update windows first, they have the HD USB audio device driver update on Windows Update. After this, install the RealTek driver you downloaded earlier. Don't worry about windows saying it found a device but can't find the driver for it, that'll be fixed when you run the Realtek install program.
As far as the broken stuff in Device Manager, it's the usual stuff everyone has (be sure to go to "view", "show hidden devices" to see all the stuff) :
-USB human interface device
-Other device
-unknown device x3 (you will note there is also one unknown device on the Mac os)
-Intel(R) 5000 Series Chipset PCI Express x4 (Port 3 thru Port7)
As far as performance goes, BIG IMPROVEMENT! I did the slipstream fix using the 64bit drivers (obviously) and found out the hard way that you do infact have to use Boot Camp and delete and recreate the partition for a reinstall.
(tried to install on top of existing installation twice...failed twice. Suck!)
I used the picture guide located at:
http://st118.startlogic.com/~macproxp/index.html
I don't understand all the super-geek evaluation stuff when using the recommended evaluation SiSoftware Sandra, but it looks like the drive is listed as a:
ST3250824AS (P)ATA
I thought this driver was supposed to turn it into a SATA drive. Maybe it did and I'm just an idiot. So, I downloaded HD tune (give me a chart anyday over a bunch of gobbledy-gook numbers & letters) and installed it.
Here are the numbers after making about 40 copies of a 59.8 MB file on the desktop to the desktop (to try and tax the processor/hd):
HD Tune: ST3250824AS P Benchmark
Transfer Rate Minimum : 0.6 MB/sec
Transfer Rate Maximum : 66.9 MB/sec
Transfer Rate Average : 20.2 MB/sec
Access Time : 13.0 ms
Burst Rate : 152.4 MB/sec
CPU Usage : 1.5%
This is no where close to 3GB/sec, but a helluva lot faster than 35KB/sec like before, pretty dang fast nonetheless.
Hopefull someone smarter that me can figure out if I'm at the fastest I can go or not.
-MSW

Sound and my aging Mac Pro

So my Mac Pro (Early 2008) has had some odd sound issues lately – it doesn't have any.
Occasionally, when the sound goes out, if I try to increase the volume from the keyboard, the transparent volume icon that comes up has a mute symbol under the volume bars, which are all lit up. That only goes away if I switch the output to my MOTU Audio Express. I haven't hooked up headphones to that to see if I'm actually getting audio out through that (I don't have any headphones with a quarter-inch plug, but I suspect I am.
But this morning, I'm getting now sound, but the volume buttons on the keyboard are working normally, ie, the go up and down, but I still get no sound. Interestingly, I also notice that, everytime I go back to Sound preferences, the MOTU is selected, even after I put it on line out or internal speakers.
Is the onboard sound card failing? Do I just need to get a PCI sound card?
I have a feeling I'm going to have to replace this machine before too long. I'm trying to make it until the Mac Pro gets a proper update.

Thanks. I tried that, and went almost a week without the problem recurring, but it's back this morning. Slightly different, though. I can't adjust the volume from the keyboard (the mute symbol is back under the volume bars), but I CAN adjust the volume from System Preferences, and it Line Out stays selected there.
What's really strange, and this is new, is that, while I'm getting no sound in Safari, I am getting sound in Firefox. (This is either new, or I never thought to try Firefox before when this issue came up.) Not only that, though, I can't load YouTube videos in Safari. I get a "This video is currently unavailable" message, even though I can call up the same content in Firefox. I can't play mp3s, either. iTunes, similarly, won't produce sound. If I hit play, the speaker icon next to the song looks like it's playing, and the Play button turns to a Pause button, but no sound comes out and the time meter on the song doesn't advance.
I have no idea what to make of all this.

SmcFanControl 2.2.2 and 12-core Mac Pro (picking the right fan to cool HDs)

Hello,
quite recently I've moved from my previous Mac Pro 8-core (the earliest model) to the latest Mac Pro 12-core.
I've successfully used smcFanControl with my old Mac, and the fan names listed in the app's preferences were matching the fans listed by iStat and by smcFanControl in its dropdown menu. In the new Mac Pro there are more fans, not all of them match the names listed by iStat, and some names are "false friends". Please note though that all the fans listed by iStat show up also in the dropdown menu of smcFanControl
Here's the fans list in the preferences of smcFanControl, in this order:
CPU_MEM
IO
EXHAUST
PS
Here's the fans list in the dropdown menu of smcFanControl and in iStat (I'm using the capitalization and order used by iStat, smcFanControl uses always all caps and names "Power Supply" as PS, plus adopting another ordering):
PCI
BOOSTA
BOOSTB
Exhaust
Power Supply
INTAKE
Now, the mapping looks also weird. Here's the mapping tested by increasing the speed of each fan I can control via preferences:
CPU_MEM == PCI
IO == Power Supply
EXHAUST == EXHAUST == INTAKE
PS == INTAKE
BOOSTA and BOOSTB run always at identical speed, and their speed is usually slightly less than 2X the speed of either Exhaust or Power Supply, whichever runs faster. Anyway they don't appear to be controllable via smcFanControl.
Interestingly, the mapping seems to be related to the order of the fans in the dropdown menu of smcFanPro. The first four fans listed there are:
PCI
PS
EXHAUST
INTAKE
My main problem currently is that I haven't yet found a way to keep the HDs at about 40°C or slightly less as I used to do with my old Mac Pro, unless I increase a lot the fans speed, which on the other hand brings down the CPU and RAM temperatures at quite ridiculous levels (basically only a few degrees more than ambient temperature, about 30° these days). What's worse, I haven't found exactly which fan affects more directly the HD temperatures. Increasing only the speed of a single fan never seemed to be enough, unlike with the old Mac Pro.
So, here are my questions to anyone using smcFanControl 2.2.2 on a Mac Pro 12-core:
1) Do you believe I should reinstall smcFanControl to get the correct list of fans? Or is this a known issue? (please note that I started using the new Mac by using Apple's migration utility, so also smcFanControl was "copied" from the old Mac like all other apps) If I have to reinstall smcFanControl,do you know if I should clean/delete specific directories or files to remove the old fans list?
2) Do you know which fan cools down most the HDs? I have four HDs so all bays are used. I've looked around quite a lot but I haven't found any diagram showing the fans position inside the Mac's case
Thanks a lot in advance for your reply and best regards,
Giovanni
Message was edited by: gs_mac

Put a fan in lower optical bay blowing on the drives? just kidding though.
Some drives now like WD Black 1TB+ do run normally at 40-41*C and that is in part because they are now engineering parts to be safe at those temps to reduce on cost of cooling and going green which can have a huge impact on data and server farms by just 5*C warmer.
My WD 10K VRs run COLD as can be and always have.
My advice is set the rpm for all fans @ one speed and then have 2 or 4 profiles: default, medium, high and extreme. Default is 499 for one and 599 for others. 900 rpm is just about when fans can be heard. 1200 rpm for more active cooling and 1800-2000 rpm for high.
The idea is in part to prevent it from getting warm first and then the system kick up the fans. Harder to get heat out of the case once it is there.
I think you are trying to "over-control" just a bit.
Prefe ences are in ~/Library/Preferences or just delete all the profiles. It probably has an uninstall.
I trust Temperature Monitor (freeware) or paid version (Hardware Monitor) a bit more than iStatPro.

PCI express to PCI adaptors and enclosures and Mac Pro.

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