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Chapter 4. BIOS Configuration Settings
UMC Common
Options
DDR4 Common
Options
DRAM
Controller
Configuration
DRAM Power
Options
DRAM Refresh
Rate
7.8 usec
3.9 usec
Self-Refresh
Exit Staggering
Trfc / 3
Trfc / 4
Disable
Cmd2T
Auto
1T
2T
Gear Down
Mode
Auto
Enable
Disable
CAD Bus Timin
User Controls Auto
Manual
CAD Bus Drive
Strength User
Controls
Auto
Manual
Data Bus
Configuration
Data Bus
Configuration
User Controls
Auto
Manual
Common RAS
Data Poisoning Auto
Enable
Disable
DRAM Post
Package Repair Enable
Disable
RCD Parity
Auto
Enable
Disable
DRAM Address
Command
Parity Retry
Auto
Enable
Disable
Disable
Memory Error
Injection
True
False
ECC
Configuration
DRAM
ECC
Symbol
Size
Auto
x4
x8
x16
DRAM
ECC
Enable
Auto
Enable
Disable
DRAM
UECC
Retry
Auto
Enable
Disable
Security
TSME
Auto
Enable
Disable
Data Scramble Auto
Enable
Disable
Phy
Configuration PMU Training
DFE Read
Training
Auto
Enable
Disable
FFE Write
Training
Auto
Enable
Disable
PMU
Pattern
Bits
Control
Auto
Manual
DRAM Memory
Mapping
Chip Select
Interleaving
Auto
Disable
Bank Group
Swap
Auto
Enable
Disable
Bank Group
Swap Alt
Auto
Enable
Disable
Address Hash
Bank 2 ColXor 3F8
Address Hash
Bank
Auto
Enable
Disable