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MacPro4,1 only uses 1 cpu after x5690 upgrade

FuchsFuchs1
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So recently i bought new cpus for my macpro, i installed them and now only 1 is working...

one of the cpu heat sinks is cold.

if anymore information is needed just ask!

Dual X5690 my beloved.

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Switch the CPUs around and see which works. If the other socket heatsink gets hot and the one that was working is cold, then the 2nd CPU is borked and you need a new one. If the same socket works again then likely something is up with the 2nd socket.

Intel HEDT and Server platform enthusiasts: Intel HEDT Xeon/i7 Megathread 

 

Main PC 

CPU: i9 7980XE @4.5GHz/1.22v/-2 AVX offset 

Cooler: EKWB Supremacy Block - custom loop w/360mm +280mm rads 

Motherboard: EVGA X299 Dark 

RAM:4x8GB HyperX Predator DDR4 @3200Mhz CL16 

GPU: Nvidia FE 2060 Super/Corsair HydroX 2070 FE block 

Storage:  1TB MP34 + 1TB 970 Evo + 500GB Atom30 + 250GB 960 Evo 

Optical Drives: LG WH14NS40 

PSU: EVGA 1600W T2 

Case & Fans: Corsair 750D Airflow - 3x Noctua iPPC NF-F12 + 4x Noctua iPPC NF-A14 PWM 

OS: Windows 11

 

Display: LG 27UK650-W (4K 60Hz IPS panel)

Mouse: EVGA X17

Keyboard: Corsair K55 RGB

 

Mobile/Work Devices: 2020 M1 MacBook Air (work computer) - iPhone 13 Pro Max - Apple Watch S3

 

Other Misc Devices: iPod Video (Gen 5.5E, 128GB SD card swap, running Rockbox), Nintendo Switch

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25 minutes ago, Zando_ said:

Switch the CPUs around and see which works. If the other socket heatsink gets hot and the one that was working is cold, then the 2nd CPU is borked and you need a new one. If the same socket works again then likely something is up with the 2nd socket.

ok

Dual X5690 my beloved.

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4 hours ago, Zando_ said:

Switch the CPUs around and see which works. If the other socket heatsink gets hot and the one that was working is cold, then the 2nd CPU is borked and you need a new one. If the same socket works again then likely something is up with the 2nd socket.

so both cpus still work. must be something with the board...

Dual X5690 my beloved.

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2 hours ago, FuchsFuchs1 said:

 

so both cpus still work. must be something with the board...

Try your old CPUs again?

Spoiler

CPU: AMD Ryzen 3700X | Mobo: ASUS Strix X570-I Gaming ITX | GPU: Nvidia GeForce RTX 3060 Ti Founders Edition | RAM: Corsair Vengeance RGB PRO 16GB 3600MHz | Storage: Corsair Force MP600 1TB PCI-e Gen 4 & 2x 2TB Seagate Barracuda | Cooler: Stock Prism | Case: NZXT H210i | PSU: Corsair CS500M

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