32gb ram mac pro 1.1

Mac Pro 1.1 updated to 32 GB RAM :D

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I was wondering what kind of upgrades I would need to do to make this possible and the best way to do it for as low cost as possible. Since this thread came up near the top of a google search, and since I've done it before, I thought I would chime in just in case someone else looking for info sees it. The only big issue is that it uses quite a lot of power compared to a modern machine. No, it's not as fast as a new mac, but it's totally capable of being a daily driver for most uses.

You can NOT brick your machine doing this. All you are doing is booting from a slightly modified El Cap install. There is no need to flash your video card's ROM to a mac version. You will need a more recent video card--I use a The process is simple. If your video card isn't a mac version, your screen will be blank no boot logo until your desktop comes up, but that's never been an issue. You may need to fix the boot. Both my ati and my nvidia ti work on my pro 1,1 with ElCap.

While it is true that older cards wont let you boot and only suffer a few seconds of blank screen, it is not due to a lack of EFI bios on the cards.

I used to have one of these, unfortunately there is no supported way to install those OSs on this particular system. Though they are 64bit machines the EFI boot loader is 32bit. There are hacks out there that let you install later OS versions on a MacPro 1,1. I think MacRumors. But I am unsure if this is considered off-topic or not for Ask Different, so that is far as I will go. What you want to do is not an easy task.

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I'm not saying it's impossible , but you do risk bricking your machine. I assume you have some software that requires Yosemite or El Capitan, so only you can decide whether the risk is worth it. The trick is not as much about the hardware as it is about convincing your old Mac Pro to run in bit mode. I have seen a number of approaches used to get these machines to work with newer OS versions, so it's too hard to try and summarise these here.

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Below are some links for you to check out:. By clicking "Post Your Answer", you acknowledge that you have read our updated terms of service , privacy policy and cookie policy , and that your continued use of the website is subject to these policies. Home Questions Tags Users Unanswered. I have the Mac Pro "Quad Core" 2. Model identifier: Installing RAM in the original Mac Pro models is a simple procedure , but it is important to purchase the exact memory needed by the system and install it correctly for optimum performance.

These systems also can use more RAM than is officially supported, too. Photo Credit: Apple, Inc.

This Old Mac Pro Part 2: RAM, SSDs, and El Capitan - (Jun 09) | MacNN

Mac Pro. If you're not sure if you have an original Mac Pro or a later model, the A Model Number is insufficient as this identifier is shared by the subsequent "Early " line, which supports a different type of RAM.

More details about specific identifiers are provided in EveryMac. The EMC number is located on the rear of the system in small type. As carefully hand documented by EveryMac.

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According to Apple, the "Clovertown Eight Core" Mac Pro is even more strict regarding memory standards although the company no longer provides specific documentation. Apple also reports that "DIMMs must be installed in pairs of equal size from the same vendor.

However, third-parties have determined that the original Mac Pro models actually can support 32 GB of memory using eight 4 GB modules that meet the same precise standards. RAM Upgrade Instructions. The default configuration shipped with a pair of MB FB-DIMMs installed in the first and second slots towards the "gold fingers" in the top riser card , which leaves six slots free.

Mac Pro 1,1 Memory

The next pair of FB-DIMMs must be installed in the first and second slots of the bottom riser card, the next pair in the remaining slots of the top riser card slots three and four , and finally the last pair in the last two slots three and four of the bottom riser card. If the instructions on the inside of the door are insufficient, Apple provides a PDF version of the instructions as well.

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Nearly there. We strongly recommend the GT that was either made for the 1,1 or 2,1 and are long gone at retail , or a flashed GT what Apple called the Nvidia GT. Satisfaction guaranteed or your money back. If you need more help, refer to Mac Identification. We'll do more questions and answers on Monday, if need be. Optional Airport Extreme

Perhaps even better, though, Apple Specialist CityMac provides a step-by-step video of the process:. From watching the above video, it is clear that the RAM installation procedure is simple.