Experiments

What kind of 128GB RAMs can run on Mac Pro 6,1?

Posted by Bill Dong on

It's not easy to find proper 4x32GB memory for Mac Pro late 2013. Yes, the max memory capacity is actually 128GB, not 64GB. However, due to "high rank" of those 32GB ram units, the maximum frequency that can run with Mac Pro 6,1's CPU is 1066MHz, instead of 1866MHz. Don't worry, even if the memory is running in lower frequency, the timing is also with lower latency. So you won't sacrifise too much performance. There are a bunck of memories with different specs. For example, we found it's quite common to see "DDR3 1866 PC3-14900L ECC" memories on Amazon or...

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Mac Pro 6,1 Late 2013 Airport Card Replacement Problem

Posted by Bill Dong on

I tried to replace original AirPort Extreme card with another one that I bought from eBay. Both cards look very same and is BCM94360CD model. The new card’s Wifi works except when there is USB 3.0 drive connected. When I plug a usb 3.0 drive, wifi started dropping and reconnecting. I am using 5g channel so it shouldn’t because of usb and 2.4g signal interference. I tried another BCM94360CD card and see same issue. Wifi and Bluetooth works except when plugging usb 3.0 drive and then wifi starts to reconnecting. I tried BCM943602CDP card and Bluetooth becomes 4.2 but wifi...

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