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Dell Precision Tower 3620 - Catalina install

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Dell Precision Tower 3620

CPU: QuadCore Intel Xeon E3-1245 v5, 3700 MHz (37 x 100)

Motherboard:  Intel Sunrise Point C236, Intel Skylake-S WS

Video: Intel HD Graphics P530 (two DP port and one HDMI)

Audio: Realtek ALC899 

Network: Intel I219-LM

Display: 2560 x 1440


So , 2 day on Catalina - work great!


Work almost all: 

CPU stepping, thermosensor, sleep, etc.

Video with HDMI/DP output,  2560 x 1440

Sound speaker stereo, loud and quality. 

Headphones sound in jack.

Mic (Siri also work)

Ethernet card

USB port (all 12 usb)


Not working

Two monitor mode. 



v2 EFI_T3620_catmater_v2.zip


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DELL Precision Tower 3620 - High sierra

DELL Precision Tower 3620 - Mojave


Very-very grateful for the support to @Jake Lo!

Screenshot 2019-10-10 at 16.55.16.png

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Can't work with two monitor in any mode. Only one can display information. Trying different variants: DP + DP, DP + HDMI , e.t.c. 

Never mind, i use one 27 2K monitor :)

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