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The screw-in RAID controller card on the mainboard connects to CPU 1 through PCIe
buses, and connects to the drive backplane through SAS signal cables. A variety of drive
backplanes are provided to support different local storage configurations.
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The LBG-R Platform Controller Hub (PCH) is integrated on the mainboard to support
three USB 3.0 ports.
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The BMC management chip integrated on the mainboard supports a video graphic array
(VGA) port, a management network port, and a serial port.