Xlr8YourMac.com's Macintosh Tips/Repairs/Upgrades by Model
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Mac Pros | Mac Mini | MacBook Pro | iMacs | PowerMac G5 | G4 Cube
Hackintosh Related Articles
Mini-ITX Hackintosh Benchmarks
8-Core i9-9900K, macOS Mojave
mini-ITX Hackintosh build with 8 Core Intel i9-9900K CPU, Dual 1TB NVMe SSDs, 32GB RAM, RX580 Nitro+ graphics card, running macOS Mojave. With list of hardware used and SSD Speed, GeekBench & GFXBench Metal results. (Includes macOS Mojave vs 10.13.6 benchmarks.)
Mac Pro related Articles
(Also see SSDs/Drives/Controllers, Video & Wi-Fi upgrade topics pages.)
2019 Mac Pro Repair & Upgrade How-To Guides
DIY articles on how to replace RAM, SSD Modules, PCIe cards, Power Supply, and Apple I/O card, PCIe cards you can install & memory specs. Covers Radeon Pro 580X, W5500X, W5700X, Vega II, & Vega II Duo MPX Modules, Afterburner accelerator card, & Promise Pegasus R4i MPX RAID module. Plus guides on using multiple displays & Apple Pro Display XDR setup. (Also a guide on replacing Feet or Wheels.)
2013 Mac Pro How-To/Upgrade Guides & Troubleshooting Tips
Late 2013 Mac Pro CPU is socketed and can be upgraded. Also a list of Apple guides on Installing/removing SSD and Memory, Using Multiple Displays, Info on Ports/Connectors, Audio Tips/Troubleshooting, Power Usage, Bootcamp/Windows Installs with troubleshooting info & SSD upgrades to 4TB.
Mac Pro Northbridge High Temperatures due to Broken Heatsink Retainer
Info on 2009-2012 Mac Pro very high Northbridge Temperatures due to a broken plastic heatsink retainer. (This can result in kernel panics/crashes.) If you can't find a source for the OEM retainer, some have used screws instead. (Page includes photo of Heatsink location and link to freeware temperature monitor.) Mac Pro 2009, 2010 & 2012 models are same design.
2009 Mac Pro 12-core Upgrades
Dual X5670 or X5690 CPUs
Notes on upgrading 2009 Mac Pro (4,1) using 2 Xeon X5670 2.93GHz or X5690 3.46GHz 6-core Westmere CPUs. (Often bought used, sometimes delidded.) Includes tips on what to do when things don't go right initially and link to an instructional video on a similar upgrade. (2009 Mac Pro 6-core CPU support requires the "unofficial" MacPro 5,1 EFI update. That 2010 Mac Pro firmware also adds support for faster ram, MDP audio.)
2009 Mac Pro 6-core CPU Upgrade (3.46GHz X5690)
and Upgrading from a
Single CPU to a Dual CPU
Notes on upgrading single CPU 2009 Mac Pro (4,1) using a Xeon X5690 CPU instead of a W3690. (As noted earlier, 2009 Mac Pro 6-core CPU support requires the "unofficial" MacPro 5,1 EFI update.) First report updated Dec. 2016 for owner notes on swapping his 2009 Mac Pro single CPU tray for a Dual CPU tray, and buying another X5690 CPU.
2009 Mac Pro Dual 3GHz X5675 CPU Upgrade (and More)
Long report on a 2009 Mac Pro CPU upgrade experience that includes notes on the 5,1 EFI update, buying X5675's with IHS (integrated heat spreader) removed, resolving some initial problems with upgrading the CPUs, and comments on other upgrades (Video card, 1333MHz RAM, SSD, etc) for the Mac Pro tower.
Inside the 2009 Mac Pro
(8-Core 2.66GHz/ATI 4870)
(March 2009) 2009 Mac Pro 8-core photos, including CPU tray and WiFi card location, notes on noise levels, initial benchmarks, Apple DIY Guides, Intel docs on Nehalem Microarchitecture, Turbo Boost, QuickPath Technology, original CPU chip pricing and 2009 Mac Pro comparisons to earlier models. (Plus notes on Bootcamp/Win install.)
2009 Mac Pro CPU
Core Temperature Tests
(OS X and Windows)
(Updated w/Apple fix for OS X 10.6 in 2010) After some Apple forum thread/user concerns over higher than expected core temperatures with 2009 Mac Pros from simply playing audio in iTunes, I ran some simple tests in OS X vs Windows using freeware utilities for both OS's. Includes notes on Turbo mode, explanations from the author of OS X freeware Temperature monitor, notes on turbo core speeds in Windows and more.
2009 Mac Pro Video card tests
EVGA GTX 285 Mac Edition vs ATI 4870 vs Nvidia GT120
(June 2009) Review/comparisons of EVGA's Nvidia GeForce GTX 285 Mac edition vs the Mac ATI 4870 and the base Geforce GT120 card, tested in a 2009 Mac Pro 8-core 2.66GHz system. Includes pages on apps/game tests, power (watts) usage, benchmarks and more.
Mac Pro FB-Dimm Pairing Guide
Tests of mixed 1GB/2GB/4GB
(Nov 2009) A reader sent his Mac Pro FB-Dimm Pairing Tests with mixed 1GB, 2GB and 4GB pairs, noting the 4GB pair were not fully recognized if the OEM (Apple supplied) Hynix 1GB FBdimms were installed in the same riser, despite Apple's guide showing that pairing is OK. (Many times over the years I've had Mac Pro owners write their new FBDimms were not recognized properly. Other than some rare cases of bad FB-dimms, usually the problem was the FB-Dimms were not Paired properly (1st thing to check) and/or not fully seated (dimm or riser card). I've included links to Apple's PDF guides on memory and riser cards on the linked page.)
2007 Mac Pro running OS X 10.9 Mavericks (w/Radeon 7970 card)
Reader report on a 2007 Mac Pro 2,1 running OS X 10.9 Mavericks (via Tiamo's Boot EFI patch) and a (PC) Radeon 7970 graphics card.
2006 Xserve Dual 3GHz Quad-Core X5365 CPUs Upgrade ($150)
Reader report on replacing Xeon 5160 dual-core CPUs in a 2006 Xserve with 2 Quad-Core 3GHz Xeon X5365's. Includes a warning about the Xserve heatsink thermal sensor.
2006 Mac Pro Dual Quad-Core CPUs/EFI/PC 5770 Upgrades
Reader report on a 2006 Mac Pro 1,1 (original 2 dual cores) CPU upgrade to dual 2.66GHz quad-core Xeons ($70), PC Radeon 5770 card ($75) and EFI update.
2006 Mac Pro Dual CPU Upgrade
(2 Xeon Quad Cores $60)
(Jul 2013) Reader report on his 2006 Mac Pro (original dual cores) CPU upgrade to dual 2.66GHz quad-core Xeons. (Used for Logic Audio.)
2006 Xserve Dual CPU Upgrade
(2 Xeon Quad Cores <$50)
(Jun 2013) Reader report on his 2006 xserve (2x dual-core 2GHz) CPU upgrade to dual 2.33GHz quad-core Xeons (used/tested CPUs, under $50 delivered).
2006 Mac Pro 8-Core
(Dual x5365) CPU Upgrade
+ 2007 EFI/Bootrom Update
2006 Mac Pro owner report on upgrading to Dual 3GHz Quad-Core (X5365's) CPUs and updating the EFI/Bootrom to the 2007 Mac Pro 2,1 version. (Using unofficial updater from netkas, mentioned in Sept. 2011 with early user feedback.)
2009 Mac Pro (4-core) 2.66GHz to 3.2GHz CPU Upgrade
Reader's before/after benchmarks of his 2009 Mac Pro 2.66GHz he upgraded with a W3565 3.2GHz Xeon bought at auction.
2008 Mac Pro Dual 3.2GHz (Quad-Cores) CPU upgrade
Wolf sent comments on his 2008 Mac Pro Dual Xeon X5482 3.2GHz CPU upgrade. (Two X5482 3.2GHz Quad-Cores bought at auction for $450 he said.)
2006 Mac Pro 8-Core CPU Upgrade report (Dual 2.66GHz Quad-Cores)
Another report on a low-cost Dual Quad-Core CPU Upgrade to a 1st gen Mac Pro. Upgraded from the original two 2.66GHz Dual-Core CPUs to dual Xeon X5355 2.66GHz Quad-Cores. ($350 paid for the Quad-Core CPUs at auction.)
2006 Mac Pro 8-Core CPU Upgrade report (Under $60)
Report on a (very) low-cost Dual Quad-Core CPU Upgrade to an early (2006) Mac Pro. However the Quad-Core CPUs were only 1.83GHz models.
(Unofficial) Mac Pro 1,1 to 2,1 EFI Updater Feedback
(Fix for KP's in Lion/10.6.8 w/Quad-Core CPU upgrades?)
Reports that -some- Mac Pro 1,1 owners that upgraded to Quad-Core CPUs had Kernel Panics in Lion (and in some cases 10.6.8). For those that did, using the 'unofficial' Mac Pro 1,1 to 2,1 EFI updater solved that they said. (Updated with later notes.)
Another (Low-Cost) Early Mac Pro 8-Core CPU Upgrade
Another reader report on low-cost 8-Core (Dual Quad-Core) CPU Upgrades to earlier Mac Pro models. (Also Includes links to several other Mac Pro CPU Upgrade reports from 2011.)
Notes on 2009 to 2010 Mac Pro EFI Bootrom Updater
(with 6-core CPU & 1333MHz RAM, & MiniDisplayPort Audio support)
Notes and Tips regarding the "unofficial" EFI/BootRom updater for 2009 Mac Pros to flash a 2010 Mac Pros Bootrom. This enables support for 6-core CPUs and 1333MHz Memory. (Also reported to enable MiniDisplayPort Audio.) See notes in the post on tips and a FYI for 2009 Mac Pro owners that have "B08" bootrom.
2010 Mac Pro CPU Upgrade
2.8GHz 4-core to 3.2GHz 6-Core
A 2010 (single cpu) Mac Pro owner report with notes/links to CPUs, simple benchmark comparisons, etc of his 3.2GHz 6-Core CPU Upgrade.
Water Cooled 2006 Mac Pro
with 3.3GHz (OC'd 2.66GHz)
Quad-Core CPUs
A follow-up to his original post in Jan 2011 on his 2006 Mac Pro Quad-Core CPU Upgrade (5350's OC'd to 3.3GHz), this update includes notes on water cooling and a youtube video link.
2008 Mac Pro CPU Upgrade (single 2.8GHz to Dual 3GHz Quad Cores)

(Aug 2010) Reader report on a (very cheap) 3GHz Quad-Core Xeon upgrade to his single CPU 2008 Mac Pro. (As with most earlier Mac Pro CPU Upgrades, he bought used CPUs.)
2006 Mac Pro Clovertown (Quad core) CPU Swaps Revisited
(July 2009) A 1st gen Mac Pro owner's notes on buying (used) Clovertown 2.66GHz CPUs to replace the original (dual core) 5150's. Includes notes on pricing (some new/service parts) and links to upgrade guides (article and video). (Updated to include links to later posts on 3GHz Clovertowns, 3GHz Dual-Cores and Low Power Quad-Core Xeon swaps.)
2006 Mac Pro Clovertown (Quad core) CPU Swaps Revisited
(July 2009) A 1st gen Mac Pro owner's notes on buying (used) Clovertown 2.66GHz CPUs to replace the original (dual core) 5150's. Includes notes on pricing (some new/service parts) and links to upgrade guides (article and video). (Updated to include links to later posts on 3GHz Clovertowns, 3GHz Dual-Cores and Low Power Quad-Core Xeon swaps.)
Using the Mac Pro's 2 extra onboard SATA Ports with an External SATA Case Kit
A Mac Pro owner's article on using the spare 2 SATA ports on the (2006-2008) Mac Pro motherboard with Newer Tech's SATA cable kit and an external dual SATA drive case. (FYI - Includes reports on compatible (and incompatible) external cases - some ext. case bridge boards (w/multiple interfaces) are not compatible.)
Mac Pro 2008: Guide to optical bay hard drive install
Oliver sent info/photos on installing his WD Raptor hard drive in the lower Optical drive bay. (A followup for the 2008 model to his article from June 2007 on How I "Silenced" a WD Raptor in a Mac Pro)
Guide to installing Bluetooth module in a 2006 Mac Pro
Reader's photo illustrated guide to installing a Bluetooth Module in an original Mac Pro.
Mac Mini Related Articles
2018 Mac mini Take-Apart and RAM Upgrade Guides
Although Apple recommends they do it, the 2018 Mini's RAM modules can be user replaced/upgraded. Post has links to guides on replacing 2018 Mac Mini Memory and video of 2018 Mini take-apart & RAM upgrade.
2012 Mac Mini SSD Install
& Drive Cloning Notes
(Mar 2013) Late-2012 Mini SSD install (480GB Intel 520 SSD). Well worth the effort with a significant performance increase over the previous SATA2 SSD I'd installed in Nov 2012. Unlike some others, this 2012 mini (2.3GHz i7, SSD, RAM upgraded to 16GB) has been basically trouble-free so far. No HDMI/video issues and feels very fast.
Late 2012 Mac Mini HDMI Video Problems/Flicker, Tests, Tips
(2013) Catch-All page of Info/Tests/Tips on Late 2012 Mac Mini HDMI video intermittent dropouts/noise ('snow'), Apple EFI Update to fix HDMI flicker, my tests using HDMI to a Samsung LCD Display and LG HDTV (direct and via AVR), tips for washed-out displays, colorsync profiles, EDID mods including a EDID Patch script to Force RGB mode on external displays. Plus info on USB 3.0 interference with Bluetooth, SSDs/Fusion Drives and more.
2006-2008 Mac Mini CPU Upgrades (Socketed CPUs)
Intel-based Mac Mini owner's notes on Core 2 Duo CPU swaps (includes link to chip swap guide) and includes info on Mini 2,1 firmware updates and OS X Lion (10.7.x) install reports/tips.
2010 Mac Mini Server DriveTemperature Sensors Info and Pictures
A 2010 Mini server owner sent notes and photos of the cables/thermal sensors during his dual SSD upgrade and drive swap. (And reminders on HDD brand specific temperature sensor cables for late 09 iMacs.)
2006-08 Mac Mini
(using Mini-PCIe Card)

Photos/Info and reports on swapping out the Mini-PCIe Airport card with a 2-port SATA card used for eSATA. Includes card info and some initial real-world benchmarks. Reports are from OS X 10.6.4 & 10.5.8 mini users.
(NOTE: 2009 & Later Mac Mini DOES NOT have a Mini-PCIe Airport card and can't use this mod.)
MacBook Pro related Articles
MacBook Pro owner reports on Express/34 Cards
A catch-all page for feedback from MacBook Pro owners on Express34 cards (eSATA, Firewire, Firewire/USB, Modems, flash memory adapters, etc.)
MacBook Pro GPU/Video Failures
(Nvidia 8600M)
(Last Update Dec 2012) Article from July 2008 (updated 100+ times) on the issue of flawed (packaging defect) Nvidia GPUs- including the 8600M used in many MacBook Pros. Updated to include Apple's later doc on the issue that noted affected MacBook Pro model production ranges and a warranty extension. Also includes reader reports, links to info on the issue, actions by other notebook mfrs and more.
Early MacBook Pro Upgrades
(5GHz WiFI card, SSD
& Improved Cooling)
Article on a reader's upgrades to his MacBook Pro 2,2 including swapping in a Dual-Band (5GHz and 2.4GHz) Airport card with Airdrop Support, SSD drive and Thermal Paste to lower chipset temperatures.
MacBook Pro (Core Duo) Guide on swapping in Mac Pro 802.11n Wireless card
A reader's guide to upgrading an early Core Duo Macbook Pro using an OEM Mac Pro Airport Extreme card (802.11n compatible Mini PCI-e card).
iMac related Articles
iMac eSATA Mod
(using Mini-PCIe Card)

(Sept 2010) iMac (intel-based) notes and pictures on swapping out the Airport card with the same 2-port SATA card for eSATA used earlier by mac Mini owners. (See article link below.)
(An earlier article on this mod is here.)
Info on iMac's HD + SSD Option with service part info

2010 iMac owner's notes with Apple P/Ns on cables for adding a SSD to a 27in Mac with Hard Drive. (If any reader knows if the same parts are used for 2011 iMacs, send a note. Thanks.)
1999 iMac DV SE Review
(Oct. 1999) Multi-page detailed review of the 1999 (CRT) iMac DV SE Model. (Includes benchmarks and game tests from fall 1999.)
G5 PowerMac Related Articles
Repairing a PowerMac G5
Delphi Liquid Cooling System
& CPU Boards
(Dual G5 2.7GHz)
6 page Guide to Overhauling a PowerMac G5 Delphi Liquid Cooling System and the Dual CPU Boards. (This example is a PowerMac G5 Dual 2.7GHz)
Jumper Tips for Western Digital 6Gb/sec HDs in G5 Macs
Jumper setting tips for WD 6Gb/SATA III drives in G5 Macs (or any other SATA I/1.5Gb Macs). Without forced mode reduction, drives not recognized.
PowerMac Dual G5 2GHz
Radeon 9600 vs 9800
Dual G5 2GHz Tower with Radeon 9600 vs 9800 video cards compared to Mirror Drive Door G4 Dual 1.25GHz Tower with Radeon 9800 video card.
Owner Reports on
PowerMac Dual G5 2GHz
Initial owner comments & photos of the PowerMac Dual G5 CPU Towers.
Owner Reports of
PowerMac G5 Coolant Leaks/Repairs
Reader reports on some liquid cooled G5 towers leaking coolant (usually out of warranty). If not detected early the coolant leak can do substantial damage (blown PS, etc.) Includes reports from some owners that got repairs covered out of warranty and in some cases a new Mac Pro (where repair parts could not be procured). includes photos of the 2 LCS designs.
Quad G5 Owner reports on CPU Sensor Temperatures
Quad G5 PowerMac owner reports/screenshots on CPU/Temperatures after after a post mentioning one CPU ran 20F hotter than the other (even at idle).
Feedback/Tips on PowerMac G5 Random Shutdowns
Some G5 tower owners reported problems with random shutdowns. Included are some tips and things to check, although frequently a repair was required.
Powermac G5 Hard Drive
Heat/Cooling Tip
G5 Owner comments, tests and a tip on relocating the Hard Drive Cooling Fan Temperature Sensor to better cool the G5's hard drives.
G5 RAM Tests
Photoshop performance
with 512MB to 8GB
of installed RAM
Dual G5 2GHz tests with 512MB to 8GB RAM.
(Photoshop 21 filters/actions benchmark speed tests.)
Apple G4 Cube Upgrades and Mods
Sonnet Duet Dual G4/500
upgrade in a Cube
Photo illustrated modifications of installing a Sonnet Duet Dual G4 CPU Module (made for Tower Macs) in an Apple Cube. (All Cubes were made with only 1 G4 CPU.)
Dual G4 450 Cube Modifications
Notes and photos of modifications installing an OEM Apple Dual G4 CPU module in an original single CPU Apple G4 Cube.
G4 Cube Modifications for Radeon 8500 AGP Card
Illustrated article on modifications to fit a Mac Radeon 8500 AGP card in a Cube.
Cube with Flag Case Mod
G4 Cube mod with U.S. Flag design inside the Apple Cube shell.
Recent Updates/Articles
Software Updates, Tips, and DIY Upgrades/Repair articles.
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