2010 Mac Pro USB 3?

Are there any third-party PCIe USB 3 cards that are supported by Mountain Lion without additional drivers?

I also looked at the Sonnet Allegro USB 3.0 PCIe card. I wrote to them asking if it supported Mountain Lion and USB 3.0 hubs.
The reply was both good and bad. Good in that:
"The card will work in your Mac Pro and we released a driver last week that adds 10.8.x compatibility. So that part works. What won't work is your hub as we state in tech note#1 on the product page"
Bad in that, sppecifically, the tech note states:
The Mac OS X driver for this card does not support most USB 2.0 and USB 1.1 devices. iPod and iPhones are not supported. USB 3.0 hubs are not suported. Non-storage devices are not supported
So much for the word Universal in Universal Serial Bus.
And this is what infuriates me about Apple. The new Macbook Pro has two USB 3.0 ports so obviously Apple has drivers for USB 3.0. There is no fine print that the USB 3.0 ports won't work with this or that. So why doesn't Apple make a card for its legacy customers? Or release native drivers for its older machines?
The cynical answer is that Apple wants us to upgrade our machines. Yeah, right. I have a money tree that allows me to upgrade all my laptops (3 of them) and my Mac Pro every time Apple introduces new products. It is this type of arrogance that will see Apple's share price come down to where Microsoft's is.
Apple pushes the boundaries of design and technology but leaves its existing customer base behind. Mr Cook, this is NOT the way to go.

Similar Messages

Full backup ( ~ 1 TB ) using external HD - speed USB vs. Firewire vs. eSATA - what are relative speeds - how to install eSATA on mid-2010 Mac Pro desktop ( dual hex-core processors)_

    Hi All,
     I'm trying to resume regular scheduled Full backup ( ~ 1 TB ) of drives using external HD (to allow off-site redundant backup storage) .
     What are relative speeds of USB vs. Firewire vs. eSATA ?
     I suspect eSATA connection may be considerably faster … how to install eSATA on mid-2010 Mac Pro desktop ( dual hex-core processors)?
      ( The quicker and easier backup protocol is, the more likely one is to use it to backup on a routine repetitive basis.)
Thanks

Jim Bogy wrote:
...I suspect eSATA connection may be considerably faster … how to install eSATA on mid-2010 Mac Pro desktop ( dual hex-core processors)?
      ( The quicker and easier backup protocol is, the more likely one is to use it to backup on a routine repetitive basis.)
Adding a USB 3.0+eSATA PCIe card, which The hatter mentions, is the best solution that I've found. See http://eshop.macsales.com/item/CalDigit/FASTA6GU3/. The card is not cheap, but the USB 3.0 works flawlessly (which can't be assumed; ask me how I know) and the eSATA connection allows booting from the connected drive. Grant Bennet-Alder's point about HD speed is important to consider; in addition, the size of the individual files being backed up and where on the backup disk they're going will affect overall transfer speed. For example, using the USB 3.0 connection on that CalDigit card going to a Toshiba 3TB external, the transfer rate for a big file (say a virtual machine file) from an internal SSD boot drive was about 145 MB/sec while a bunch of little files might drop to 30 MB/sec and both rates decrease as an inner partition on the external is used. All told, a nearly 700 GB backup took under 1.5 hours. Using a HD as the source added almost an extra hour, though a WD external was used for that. Using a WD green drive plugged into this http://eshop.macsales.com/item/NewerTech/FWU3ES2HDK/ with an eSATA connection took about 2.5 hours also, but that was bootable whereas the USB 3.0 connection is not.
Another point to consider is that USB 3.0 is ubiquitous on PC's now so there's lots of price competition for externals; not so much for eSATA externals.

10.7.3 USB Lockup on mid-2010 Mac Pro

Hello,
I updated my mid-2010 Mac Pro to update 10.7.3 this morning. Since then, I have had three occasions today, each one worse than the previous, where all USB devices connected just locked up completely and were totally unresponsive.
This includes my keyboard, mouse, and video camera. Those are the only devices that are connected to this computer.
One at a time I have tried disconnecting and reconnecting each device with no success. Interestingly on a couple of occasions, my keyboard would stop working but the mouse daisy chained out of the keyboard worked without any issues.
The most recent incident absolutely everything locked up and the only option I had was to do a hard reset of the computer. When I logged back in I quickly enabled the Bluetooth support and grabbed my wireless keyboard and mouse so that I can work.
Has anyone else encountered this yet? I know there aren't that many Mac Pro users any more.
In the meantime, Time Machine is performing a full backup and I think I will downgrade back to 10.7.2.
I wish I could go back to 10.6.8 but since this Mac Pro shipped with 10.7.2, it will not accept an earlier version of OS X. :-(

Wow, Same issue here on my Early 2008 Mac Pro. After 10.7.3 update, my USB ports have been behaving erratically. The problem actually seems to be getting progressively worse too.
From what Ive gathered so fat, it seems almost as if the ports are now underpowered. Plugging a keyboard directly into the USB port seems to work indefinitely. As soon as I add other devices to same port, the new device won't work.
My first assumption was that my USB hub was shot, but then I tried the ports on the back of my Cinema Display and they were all jacked up too.
I tried plugging another keyboard directly into the front USB port but That didn't work either, as it seems there was no power for it due to the other devices plugged into the back. I unplugged everything but the front keyboard and it still didn't work until I restarted it.
Extremely hard to troubleshoot how this issue is behaving. Like I said, erratic is probably best description.
This is the worst bug I've personally experienced after an update to an OS since I've been using Macs on System 7.
I really hope Apple fixes this ASAP.

Should i buy a 2010 mac pro quad core 2.8 never been used at the price of £1350

i know someone selling a mac pro 2010 model they say its still got 1 year warranty the specs are
Introduction Date:
July 27, 2010*
Discontinued Date:
N/A
Details:
The "Introduction Date" refers to the date a model was introduced via press release. The "Discontinued Date" refers to the date a model either was replaced by a subsequent system or production otherwise ended. *On August 9, 2010, Apple began accepting orders for this model.
Also see: All Macs introduced in 2010.
Processors:
1 (4 Cores)
Geekbench:
8673/9715*
Processor Speed:
2.8 GHz
Processor Type:
Q. Core Xeon W3530
Custom Speeds:
3.2 (4), 3.33 GHz (6)*
Architecture:
64-Bit
Details:
*Via custom configuration, this model also can be equipped with a single 3.2 GHz Quad Core "Nehalem" Xeon (W3565) processor for an additional US$400 or a single 3.33 GHz Six Core "Westmere" Xeon (W3680) processor for an additional US$1200. As requested by readers, EveryMac.com also has documented these custom configurations as their own models.
Processor Upgrade:
LGA 1366 Socket
FPU:
Integrated
Details:
Also see: How do you upgrade the processors in the "Mid-2010" Mac Pro models? How are the processors mounted?
System Bus Speed:
4.8 GT/s*
Cache Bus Speed:
2.8 GHz (Built-in)
ROM/Firmware Type:
EFI
EFI Architecture:
64-Bit
L1 Cache:
32k/32k x4
L2/L3 Cache:
256k (x4), 8 MB*
RAM Type:
PC3-8500 DDR3 ECC
Min. RAM Speed:
1066 MHz
Standard RAM:
3 GB
Maximum RAM:
48 GB*
Motherboard RAM:
None
RAM Slots:
4*
Video Card:
Radeon HD 5770
VRAM Type:
GDDR5 SDRAM
Standard VRAM:
1 GB
Maximum VRAM:
1 GB
Display Support:
Up to 6 Displays*
Resolution Support:
2560x1600*
2nd Display Support:
Dual/Mirroring
2nd Max. Resolution:
2560x1600
Standard Hard Drive:
1 TB (7200 RPM)
Int. HD Interface:
Serial ATA (3 Gb/s)
Standard Optical:
18X DL "SuperDrive"
Standard Disk:
None
Standard Modem:
None
Standard Ethernet:
Gigabit (x2)
Standard AirPort:
802.11a/b/g/n
Standard Bluetooth:
2.1+EDR
USB Ports:
5 (2.0)
Firewire Ports:
4 (800)
Expansion Slots:
4 PCIe 2.0*
Expansion Bays:
4 3.5", 2 5.25"
Incl. Keyboard:
Apple Aluminum KB
Incl. Input:
Magic Mouse
Case Type:
Tower
Form Factor:
Mac Pro
Apple Order No:
MC250LL/A*
Apple Subfamily:
Mac Pro Mid-2010
Apple Model No:
A1289 (EMC 2314)
Model ID:
MacPro5,1
Battery Type:
N/A
Battery Life:
N/A
Pre-Installed MacOS:
X 10.6.4 (10F2521)
Maximum MacOS:
Current
Minimum Windows:
XP SP2 (32-Bit)*
Maximum Windows:
7 (64-Bit)**
MacOS 9 Support:
None
Windows Support:
Boot/Virtualization
Dimensions:
20.1 x 8.1 x 18.7
Avg. Weight:
39.9 lbs. (18.1 kg)
Original Price (US):
US$2499
Est. Current Retail:
US$2499
they want to sell it for £1300 and this would be my first mac im going to use it for maschine traktor scratch pro 2 and ableton vst s plugins etc i needed to know if this would be a good buy for me or not if u coulld all please help tell me the pros and cons
if possible answer as quick as u can as if it is a good buy i need to get it today or tommorw as he might find someone else to sell to
thanks

You are due for a new build or pre-built, most definitely.
you should be able to hit score of 14k on 6-core w/o trouble.
And for what you can get for £1799 - £2099 I think you could build one, but start with quality parts and go with a solid foundation that will be supported for years. As long as you don't need OS X as it stands.
the mac pro use to shine when it came to dual processor setups. Custom built dual PCs can be another matter, and not for faint of heart.
Choose current socket support, processor, and motherboard and you really are set for years and can upgrade from there.
Take a look at this for a start:
http://www.amazon.com/ASUS-LGA-2011--X79-Motherboards/dp/B006L6ZIU4/

Does anyone know how to access the sound software on a Mid 2010 Mac Pro? I have a Logitech Z906 5.1 surround system with fiber optic in and out, I only seem to be able to get stereo and simulated 5.1 sound .

A mid 2010 Mac Pro, trying to get 5.1 surround out of the onboard sound software using fiber optic out connected to a Logitech Z906 5.1 speaker sys. with fiber optic in and out, all I get is stereo and simulated 5.1 sound out of the speakers. In utilities, Audio Midi Setup I can't get the Mac to see the Logitech speakers for 5.1 speaker configuration. Without being made to feel like a dummy, does anyone have a solution? Thanks, Carl

Hello John, I figured it was a signal issue. All the speakers fire and the sound is great. I was running the speakers thru a Dell PC with a Creative X-Fi Elite Pro, THX Certified, 7.1 soundcard using a fiber optic from the Mac Pro to the Z906's, it worked great until the Dell died!!! When I bought the soundcard from Creative I also bought the GigaWorks S750, THX Certified, 700 watt, 7.1 speaker system, used the speakers for 11 years and then the woofer/amp said "I QUIT" Creative quit making the speaker system and the sound card. The satellite speakers from the Creative GigaWorks speaker system still sound great (rated at 78 watt each) and are a little better speaker than the one's that came with the Z906 and the wattage from the 906 is sufficient to drive the satellites without any distortion. Thank you for addressing my issue, you confirmed what I suspected all along, just needed to hear it from someone with the same setup.
One last question, I purchased a Diamond Multimedia USB Soundcard, can't use the fiber optic(not supported by Mac) but the green, tan and black RCA's plug in and produces adequetly. When you plug your 906's into the Mac Pro using the fiber optic how do you set your speaker configuration? When I plug into the mac pro with fiber optic the 'Audio Midi Setup' does not seem to see the 5.1 configuration. Any thoughts there?
Carl

HT1151 2010 mac pro, my cable for my display won't fit, mac pro 21 pin display 30 pin ?

bought a 2010 mac pro. My display will not match up to it
my mac pro has 21 pins and my display has 30
is their a adapter to fix this. also usb and firewire don't match mine either
Help want to set it up

You need to provide more details as to what computer, what display, and what connector you have. USB and Firewire "don't match mine either" means what? Don't match what?

Mac Pro USB port problem

The front USB ports on my 2010 Mac Pro aren't working. Every time I boot the Mac, I get a message window - twice - saying they were drawing too much power, and have been switched off, even though they're empty.
I've tried resetting the PRAM, powering off and unplugging everything and removing the battery from the logic board. Nothing has worked. The two front-facing FireWire ports are working, but the USB ports just won't come alive. Does anyone have any further ideas?

I would run the Apple Hardware Test:
Checking for a Hardware Problem
If you suspect a hardware problem, use the Apple Hardware Test application to help
determine if there’s a problem with one of the Mac Pro components.
To use Apple Hardware Test:
1. Disconnect all external devices from your Mac Pro, except the display, keyboard,
and mouse.
If you have an Ethernet cable connected, disconnect it.
2. Restart your Mac Pro while holding down the D key.
3. When the Apple Hardware Test chooser screen appears, select the language you
want to use.
4. Press the Return key or click the right arrow button.
5. When the Apple Hardware Test main screen appears (after about 45 seconds), follow
the onscreen instructions.
6. If Apple Hardware Test detects a problem, it displays an error code. Make a note of the
error code before pursuing support options. If Apple Hardware Test doesn’t detect a
hardware failure, the problem may be software related.
You may also consider replacing the front panel board.

2010 Mac Pro, Sapphire 7950 Mac Edition, and Boot Camp

A few months ago, I installed a Sapphire 7950 Mac Edition GPU in my 2010 Mac Pro (3.2GHz quad-core). I don't have Boot Camp installed. Recently, I tried setting up a Boot Camp install with Windows 7 Pro 64-bit but have been unsucessful.
I use the Apple Boot Camp Assistant (v5.1.2), use a USB flash drive (for Windows support software), and a Windows 7 Pro 64-0bit DVD. The Assistant runs, partitions my drive (I have a blank HFS+ drive that the Assistant partitions into Mac and Win partitions), and then reboots. The computer reboots but the screen is black and I cannot detect any activity.
I suspect that the Windows installer that the Assistant sets up does not have drivers for my 7950.
Any suggestions would be appreciated.
Ted

I'm very late to this game but thought it might be useful to reply as there have been people looking at this. The problem sounds like the 7950 is in PC mode and not in Mac mode. With the card in PC mode, you'll get a black screen instead of the Bootcamp option at startup.
There's a switch on the card to change between modes (only do it when the system is powered down). Have a look in your "About this Mac". If it says your card is an AMD 7xxx, you're in PC mode. If it says your card is an AMD 7950, you've got it in the correct mode.
Be warned that my Sapphire 7950 came with PC mode flashed to both positions of the switch and I had to beat the Sapphire support people for ages to get it properly flashed. Despite sending the card back to Sapphire, in the end I had to put the card in a PC and flash it myself.

How do I connect 2nd monitor to 2010 Mac Pro?

Hi all, I'd appreciate some help as I'm a little out of my element.
I have a mid 2010 Mac Pro tower and I'm looking to add a second monitor to it for my video editing.
There is no second monitor port in the back that I'm aware of, just the one for my primary monitor.
Is there a possible way to connect a second monitor to this machine? If it requires adding another video card or something else special, links are appreciated.
Processor 3.2 GHz Quad-Core Intel Xeon
Memory 8 GB 1066 MHz DDR3 ECC
Graphics ATI Radeon HD 5770 1024 MB
Software OS X 10.9.5 (13F34)
Thank you in advance

You don't need another card or USB adapter.
Your current graphics card can run up to three displays. It has one dual-link DVI-I port and two Mini DisplayPorts.
If your new display uses Mini DisplayPort or DisplayPort, you can use a Mini DisplayPort to Mini DisplayPort or DisplayPort cable
<http://www.monoprice.com/Category?c_id=102&cp_id=10246>
For VGA
<http://store.apple.com/us/product/MB572Z/B/mini-displayport-to-vga-adapter>
For DVI with resolution greater than 1920 x 1200
<http://store.apple.com/us/product/MB571Z/A/mini-displayport-to-dual-link-dvi-ada pter>
For HDMI
<http://startech.com/AV/Displayport-Converters/Mini-DisplayPort-to-HDMI-Active-Vi deo-and-Audio-Adapter-Converter-Mini-DP-to-HDMI-1920x1200~MDP2HDS>
For DVI with resolution not greater than 1920 x 1200
<http://www.accellcables.com/products/ultraav-mini-displayport-to-dvi-d-active-si ngle-link-adapter>

Mid 2010 Mac Pro - Thunderbolt External Hard Drive

For Christmas my family gave me a 2T Little Big Disk thunderbolt external drive. I have a mid 2010 Mac Pro which doesn't have a thunderbolt port. Is there a PCI card I can use to connect the drive to my Mac Pro?

Those "adapters" are standard HBA. Like ATTO and others.
eSATA/USB
CalDigit FASTA-6GU3 2 port USB 3.0 & 2 Port eSATA 6Gb/s host adapter
PCIe Bus Extender
Sonnet Express Bus Extender PCIe 2.0
SAS/SATA
ATTO ExpressSAS H680 Adapter
ATTO ExpressSAS H6F0 Adapter
ATTO ExpressSAS H644 Adapter
ATTO ExpressSAS R680 RAID Adapter(2)
Firmtek Seritek/e6G 2 Port eSATA PCI Express (PCIe) Serial ATA Adapter
Newer Technology MAXPower eSATA 6G PCIe 2.0 Controller Card
Newer Technology MAXPower RAID mini-SAS 6G-1e1i Controller Card(3)
Newer Technology MAXPower RAID mini-SAS 6G-2e Controller Card(3)
Sonnet Tempo SATA 6Gb Pro 2-port
Sonnet Tempo SATA 6Gb Pro 4-port
Sonnet 6Gb/s SAS/SATA RAID Controller(2)

Wake up problems - mid 2010 Mac Pro - dual hex core OS X

Mid- 2010 Mac Pro desktop (dual hexcore) running Mountain Lion OS X version 10.7.5 will often refuse to awaken properly after being left alone for a few hours.
Will not respond to wireless mouse or wireless keyboard and sometimes not to USB mouse or keyboard ... requiring a "hold in the power button until it powers off, then push power button to restart."
Also, often notice fan on (can hear it) when computer has been "asleep" and shouldn't be requiring much fanning (to my way of thinking.
Nice machine - MacBeast, I call it - but with these persistent, though sporadic issues.

That 10.7.x is Lion, not 10.8.2 ML but that is minor probably.
What about strip your beast down to bare tacs hardware adn clean system and resetting SMC?
I would not be surprised BT wireless problem as well.

Problems with EFI Firmware Update to 1.5 for mid 2010 Mac Pro, and sleep issues

Hello to the community, I have run into an annoying issue.
I need to update the EFI firmware on my 8 core mid-2010 Mac Pro. I downloaded the EFI update from the apple website from here : http://support.apple.com/kb/DL1321
But everytime I download it, as I click to install, it gives me the message:
Alert
This software is not supported on your system.
But clearly this is the correct EFI for my computer. I tried burning the Firmware restoration onto a CD from here:
http://support.apple.com/kb/DL1320
But the computer did not respond the way it said it should (with the 3 flashes/beeps etc.) and have the optical drive open for the CD.
So I'm completely stuck.
*Also my Mac Pro had issues with sleep, when I put it to sleep, sometimes when I try to bring it back, it restarts itself, and other times, it just turns itself on and the monitor screen remains black, so I have to hit the power button to turn it off then back on again. This only happnens when the computer has been put to sleep for a slightly extended period of time, roughly 20mins +, sometimes longer. I was trying to solve this problem by first updating the firmware because I think it could be related to that, but I've had this problem with the firmware so I couldn't find out. This is actually the bigger problem for me because it will affect my work. I am currently using an iMac while I fix up this mac pro.
I'm a music composer so I've upgraded many aspects of my system due to work. I have a 1TB Samsung 840 evo SSD, 2 seagate 2 TB HDD, and 1 WD 1TB HD (the original one in the mac pro), along with 32 GB of RAM. So my only problems are the firmaware and the weird activity when the computer is put to sleep.
Some help would be greatly appreciated!
I'm running OS X Mavericks 10.9.2
mid-2010 Mac Pro
8 core processor (2 X 2.4gHz)

According to this article, your EFI firmware is up to date:
Computer
Model identifier
EFI Boot ROM version
SMC version
Mac Pro
Mac Pro (Late 2013)
MacPro6,1
MP61.0116.B04 (EFI 2.0)
2.20f18 (SMC 2.0)
Mac Pro (Mid 2010)
MacPro5,1
MP51.007F.B03 (EFI 1.5)
Mac Pro (Early 2009)
MacPro4,1
MP41.0081.B07 (EFI 1.4)
Mac Pro (Early 2008)
MacPro3,1
MP31.006C.B05 (EFI 1.3)
Mac Pro (8-core)
MacPro2,1
MP21.007F.B06 (EFI 1.2)
1.15f3 (SMC 1.1)
Mac Pro (Original)
MacPro1,1
MP11.005C.B08 (EFI 1.2)
1.7f10 (SMC 1.1)
EFI and SMC firmware updates for Intel-based Macs

I just installed a new Samsung 840 to my 2010 mac pro as a second hard drive. It is not showing up in my startup drive in system preferences

I have a 2010 Mac Pro with a 1TB HHD. I just installed and formatted a Samsung 840 Pro SSD. I want to install a clean copy of Mavericks to the SSD and have the computer boot up to it. How do I install Mavericks to the SSD? Also, the Samsung SSD does not show up as an option in Start up in system preferences. Please help!

What OS do you want to install? If you bought your MP early enough, it may have shipped with actual install discs, and you could use those. If it shipped with Lion or newer, you will have to follow one of the procedures mentioned by Niel.
You can get Mavericks from the App Store. Before you run the installer, copy (copy, not move) the whole "Install Mavericks" download to a backup location so that you can install it again if necessary. The installer in the Applications Folder will be deleted after installation is complete, so a copy is needed.

2010 Mac Pro Boot Camp - Refuses to boot Windows after installing Boot Camp drivers

Hey all,
I have a quad 3.2Ghz 2010 Mac Pro with a Radeon 5870 and 8 GB RAM.
I have 2 10000RPM WD Raptor drives, the first drive is my Lion boot drive. The 4th bay contains the second Raptor which has Windows 7 Ultimate 64 bit installed. Bay 2 has Time Machine, bay 3 has a Windows backup drive.
I had first installed Windows and the Boot Camp drivers a few months ago and everything was humming along smoothly. Monday I tried to boot into Windows and it crashed immediately after the black Booting Windows screen started to change to the login window. This happened repeatedly. Nothing changed on the system that I am aware of. Whenever I tried to boot windows again, it booted into the repair mode. That did not seem to work because after running the repair it would still not boot.
So I did what is usually required of Windows, and that was to reinstall. I reformatted the hard drive, ran Boot Camp assistant, and started the install.
Everything was peachy so far, so I tried to reinstall the Boot Camp drivers (4.0). Did a reboot. Same problem. Doh!
So I did ANOTHER reinstall, and everything was fine. But this time I tried to install the Boot Camp drivers off the os install disc that came with my Mac (3.1). Still no go!
So finally I did my third reinstall and after that I did not install Boot Camp drivers. However, I did load up the CD and individually installed drivers for the Apple Mouse, Apple Keyboard, Cinema Display, etc. No problems whatsoever. Everything is actually still humming along fine.
So it looks like running the full Boot Camp install for some reason no longer works. Which means I am missing the Apple Boot Camp control panel, but that's not really a big deal. Althought it's quite annoying to not have the functionality of the special Mac keyboard keys like volume control, etc.
Has anyone run into this? I thought it might be a hardware problem but my Mac OS X OS exhibits no problems whatsoever.
Thanks!

Thank you to The hatter.
I have a Mac Pro mid 2010 with a SSD and several internal hard disks. For some time I was trying to install Windows 7 on a fresh boot camp volume on a new WD 7200rpm 1TB hard disk. It was taking hours to install, and then I had a series of failures to reboot that proved permanent. The Window Repair utility would come up and took forever to repair the volume - but failed to actually do so, requiring completion reinstallation of the bootcamp volume. This occurred three times, between 1 day and 2 months after installation. I had already moved the Windows drive in to drive slot 1 of the Mac Pro.
Eventually I gave up and installed boot camp on a secondary partition of the SSD. This worked fine, however is limited in capacity. So yesterday I thought I would try to install Windows on the hard disk again. The Windows installer took many hours to do its thing, and eventually a message came up that the installation had failed.
I took your tip about possible hard disk failure, and ran Techtool Pro surface scan. It turns out that there are lots of bad blocks being reported. According to Micromat's documentation, the bad blocks being reported are those that may be in critical areas of the disk that cannot be mapped out. They recommend low level reinitialisation (with zeros) to map out the bad blocks, if possible. I am now running Apple's Disk Utility to do this, and fingers crossed that this reinitialisation succeeds, or I will have to replace the drive.

Mid 2010 Mac Pro boot camp recognizing 1.86GB RAM

I have a mid 2010 Mac Pro w/ 6GB RAM and a dedicated video card. Win7 32-bit is boot camped on it. I know 32-bit Windows can only use 3.75GB of RAM. However, this Mac Pro is only seeing 1.86GB.
Since this is Win7, no boot.ini is available for /3GB switch and editbcd /set increaseuserva 3072 did nothing, even after clearing out the variable and resetting it to 3072.
I came across a post saying UEFI/BIOS for Mac Pros cannot see more than 1.86GB RAM in a Windows 32-bit environment. Is this true? It was only the one post and I forgot where I saw it. If not, how do I resolve this issue? If not, that's fine. I can format and install Win7 64-bit if needed. I want to confirm 64-bit Win7 will recognize more than 1.86GB of RAM. Any input?
Thank you.

64 bit Windows will see and use all your ram.

2010 Mac Pro USB 3?

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