ASROCK 990FX Extreme9 User Manual page 57

HT Bus Speed
This feature allows you selecting Hyper-Transport bus speed. Configura-
tion options: [200MHz] to [2000MHz].
HT Bus Width
This feature allows you selecting Hyper-Transport bus width. Configuration
options: [8 Bit] and [16 Bit].
DRAM Timing Configuration
DRAM Frequency
If [Auto] is selected, the motherboard will detect the memory module(s)
inserted and assigns appropriate frequency automatically.
DRAM Timing Control
DRAM Slot
Use this item to view SPD data.
DRAM Timing Control
Use this item to control DRAM timing.
Power Down Enable
Use this item to enable or disable DDR power down mode.
Bank Interleaving
Interleaving allows memory accesses to be spread out over banks on the
same node, or accross nodes, decreasing access contention.
Channel Interleaving
It allows you to enable Channel Memory Interleaving. Configuration op-
tions: [Disabled], [Auto]. The default value is [Auto].
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