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Chapter 4. BIOS Configuration Settings
UMC Common
Options
DRAM Memory
Mapping
Address Hash
CS
Auto
Enable
Disable
Address Hash
Rm
Auto
Enable
Disable
SPD Read
Optimization
Auto
Enable
Disable
NVDIMM
Disable
NVDIMM-N
Feature
No
Yes
Memory Bist
MBIST Enable Enable
Disable
Data Eye
Pattern Select PRBS
SS0
Both
Pattern Length 3
Aggressor
Channel
1 Agressor
Channel
3 Agressor
Channels
7 Agressor
Channels
Disable
Aggressor
Static Lane
Control
Enable
Disable
Target Static
Lane Control
Enable
Disable
Worst Case
Margin
Granularity
Per Chip Select Per Nibble
Read Voltage
Sweep Step
Size
1
2
4
Read Timing
Sweep Step
Size
1
2
4
Write Voltage
Sweep Step
Size
1
2
4
Write Timing
Sweep Step
1
2
4
Memory
Healing BIST
Disable
BIOS Mem
BIST
Self-
Healing
Mem BIST
BIOS
and Self-
Healing
Mem BIST
NBIO Common
Options
IOMMU
Auto
Enable
Disable
ACS Enable
Auto
Enable
Disable
PCIe ARI Support
Auto
Enable
Disable
PCIe ARI
Enumeration
Auto
Enable
Disable
PCIe Ten Bit Tag
Support
Auto
Enable
Disable
HD Audio Enable
Auto
Enable
Disable
SMU Common
Options
Determinism
Control
Auto
Manual
Fan Control
Fan Table
Control
Auto
Manual
cTDP Control
Auto
Manual
Efficiency
Mode En
Auto
Enable
Package Power
Limit Control
Auto
Manual
xGMI Link
Width Control Auto
Manual
APBDIS
Auto
0
1
DF Cstates
Auto
Enable
Disable