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X570D4U
X570D4U-2L2T
X570D4U-2L2T/BCM
60
61
English
PM L1 SS
Enable for PM L1 SS and ASPM L1 SS.
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 Off
Turn Unused GPP Clocks Off.
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.
External Clock Gen
External Clock Freq [95-105]
PCIE REDRIVER TX (J3600)
PCIE REDRIVER TX (J3600) - U3608, U3601
Equalizer Setting (db)
EQ[2:0] are the selection pins for the equalization selection. It corresponds to
@[email protected]_@4GHz@8GHz in turn.
Flat Gain Setting (db)
FG[1:0] are the selection buts for the DC gain.
PCIE REDRIVER RX (J3600)
PCIE REDRIVER RX (J3600) - U3602, U3603
Equalizer Setting (db)
EQ[2:0] are the selection pins for the equalization selection. It corresponds to
@[email protected]_@4GHz@8GHz in turn.
Summary of Contents for X570D4U
Page 24: ...18 English 2 3 Installing the CPU Unplug all power cables before installing the CPU 2 1...
Page 25: ...X570D4U X570D4U 2L2T X570D4U 2L2T BCM 19 English 3...
Page 27: ...X570D4U X570D4U 2L2T X570D4U 2L2T BCM 21 English 2 3...
Page 28: ...22 English 4...
Page 58: ...52 English Onboard X550 LAN2 To enable or disable Onabord LAN...