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ASROCK B550D4-4L User Manual

ASROCK B550D4-4L
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56 57
English
Data Link Feature Exchange
Enable or Disable Data Link Feature Exchange, try to disable it if any Legacy Endpoint can
not boot.
Unused GPP Clocks O
Turn Unused GPP Clocks O.
Clock Power Management (CLKREQ#)
Enable or disable CLKREQ#.
Adjust APU VDDP
Adjust APU VDDP, stepping is 2.5mV. Vddp = 1.05V +/- N * 2.5 mV, input rang is 0-127.
Adjust V1.8
Adjust V1.8, stepping is 1mV. V1.8 = 1.8V +/- N * 1 mV, input rang is 0-127.
AddCmd MemVref Adjust
AddCmd MemVref Adjust, stepping is VDDIO * (1/256). MEM_VREF = VDDIO * (N /
256), input range is 1-255.
AMD Fan Policy
[Air Cooling] to follow platform dened policy
[Water Cooling] to force PWM 100%
Select [Fan Control] to [Manual] in CBS will override this option.
AMD KVM Mouse Protocol
Switch KVM Mouse Protocol between Absolute/Simple.
NVMe RAID mode
Enable or disable NVMe RAID mode. Please setting the 'PCIe/GFX Lanes Conguration'
item according to the RAID conguration.
S3 Modern Standby Support
Switch S3/Modern Standby. It may be disabled in OS by Down Core or Disable SMT when
S3 is enabled.
Reduce Hardware Support
Enable/Disable Reduce Hardware Support. Please disable PME wakeup when Reduce
Hardware enabled.
Wake on PME
Determines the action taken when the system power is o and a PCI Power Management

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ASROCK B550D4-4L Specifications

General IconGeneral
BrandASROCK
ModelB550D4-4L
CategoryMotherboard
LanguageEnglish

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