ASROCK Rack ALTRAD8UD-1L2T - ATX PSU and DC-IN Power Connections

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2.7 ATX PSU / DC-IN Power Connections
is motherboard supports both +12V DC and ATX power input. Please refer to the table
below for the required connections between the motherboard and the power supply.
Connector DC-IN ATX PSU
12V 8pin O O
ATX 4pin X
O
(with the bundled ATX
24pin-to-4pin converter cable)
PSU
12V 8pin ATX 4pin
(via a 24pin-to-4pin
Converter Cable)
PSU
12V 8pin
DC-IN
ATX PSU
The following diagram illustrates how to connect the bundled ATX 24pin-to-4pin
converter cable.
24pin-to-4pin
Converter Cable