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Chapter 4. BIOS Configuration Settings
DF Common Options
ACPI
ACPI SRAT
L3 Cache As
NUMA Domain
Auto
Enable
Disable
ACPI SLIT
Distance
Control
Auto
Manual
ACPI SLIT
remote relative
distance
Auto
Near
Far
Link
GMI encryption
control
Auto
Enable
Disable
xGMI
encryption
control
Auto
Enable
Disable
CAKE CRC perf
bounds Control Auto
Manual
xGMI Link
Configuration Auto
2 xGMI
Links
3 xGMI
Links
4 xGMI
Links
4-link xGMI
max speed
(Gbps)
Auto
6.4
7.467
8.533
9.6
10.667 11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
3-link xGMI
max speed
Auto
6.4
7.467
8.533
9.6
10.667 11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
xGMI TXEQ
Mode
Auto
TXEQ_Lane TXEQ_Link TXEQ_RX_
Vet
xGMI
18GACOFC
Auto
Enable
Disable
Disable DF to
external IP Sync
Flood Propagation
Auto
Sync flood enable
Sync flood disable
Disable DF sync
flood propagation
Auto
Sync flood enable
Sync flood disable
Frees of DF module Auto
Enable
Disable
CC6 memory region
encryption
Auto
Enable
Disable
System probe filter
Memory Clear
Auto
Enable
Disable
Memory Clear
Auto
Enable
Disable
PSP error injection
suport
True
False
UMC Common
Options
DDR4 Common
Options
DRAM
Controller
Configuration
DRAM Power
Options
Power Down
Enable
Auto
Enable
Power Down
Entry Delay
BB8
Sub Urg Ref
Lower Bound
4
DRAM
Maximum
Activate Count
Auto
200 K
300 K
400 K
500 K
600 K
700 K
Untested MAC
Unlimited MAC