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mp 4.1

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    MP 1,1-5,1 4,1 DP Missing screw w/spring on tray

    Primary Question: What can I use as a replacement for a missing plastic tab on the 4,1 dual CPU tray's small heat-sink? (The one that is normally held down by a circular black plastic tab with a metal spring under it. See details & pics below.) Thanks. Background Details: Been having...
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    MP 1,1-5,1 MP 5,1 (4,1) doesn't boot from PCIe NVME blade

    Greetings. I am on: 4,1 MP flashed to 5,1 Radeon RX 580 64 GB RAM 2x 3.33 GHz 6-Core Intel Xeon Catalina (10.15.7) Boot ROM MP51.0089.B00 SATA SSD as boot disk 2x NVME M.2 blades via PCIe adapters on my two PCIe 4x lanes remaining after putting in the GPU (which covers my two 16x lanes) All...
  3. K.J.

    MP 1,1-5,1 Apple MacPro4.1 with 2xCPUs board is UNABLE to use RAMslots 5–8 PROBLEM (?)

    Hi there to ALL and @tsialex , I would like to ask you for some specific unrecovered MacPro 4.1/upged to 5.1 PROBLEM I have 2 CPUs board and Iam not able to use any of 5–8 RAM slots - With tem MAC not boot or unattended shutdowns ... I realy does "everything" from 12 different 100% checked sets...
  4. OneyedK

    MP4,1 exhaust fan replacement

    Hello, The exhaust fan of my Mac Pro 4,1 is nearing it's final breath... Very audible ;) Cleaned it, didn't help... Does anyone know a make/type of fan that is 100% compatible? (don't want to bring the Dremel to the Mac) Thanks!
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    mojave install 4.1(5.1)

    hi, this is my first thread, I hope someone may help me. Current situation: mp 4.1 upg 5.1 6x3.46 w3690 gtx680 flashed 24gb 1333 10.12.6 system disk(s) sonnet tempo ssd pro plus raid 0 2x256 gb 850pro - write 980 mb/s I want to upgrade a little, and change from the raid 0 sonnet system...