User Guide

AMD Ryzen™ Master Overclocking User’s Guide
55931 Rev. 1.20 February 2018
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Glossary of Terms
Chapter 8 Glossary of Terms
The following table provides further information on the commonly used terms.
Table 1. Glossary of Terms
Term
Description
Active, activated
Refers to an interface control that is responsive to change.
Apply
The function of applying all the changes of a Ryzen Master profile to
the active operation of the processor.
AM4
AM4 is an AMD single-socket client infrastructure supporting two
channels of DDR4 memory
CCLK
CPU Core Clock
CCX
Core Complex where more than one core shares L3 resources.
Core
The instruction execution unit of the processor when the term Core is
used in an x86 core context.
CPU
The total resources of the specific processor model consisting of
Cores and cache memory
CoreCOF
Core current operating frequency in MHz
De-activated
An interface control that is not responsive, either due to Ryzen
Master setting or a feature not available with the installed processor
or motherboard.
FCLK
Data Fabric clock – equal to Memory clock
GPU, GFX
The total resources of the specific processor model consisting of the
video, 3D graphics, display and multi-media processing functions.
L1 cache
The level 1 caches (instruction cache and the data cache).
L2 cache
The level 2 caches.
L3 cache
Level 3 Cache.
MEMCLK
Internal and external memory clock
Memory interface
• 2 Unified Memory Controllers (UMC), each supporting one DRAM
channel
• 2 DDR4 PHYs. Each PHY supports:
• 64-bit data
• One DRAM channel per PHY, two DIMMs per channel
• DDR4 transfer rates from 1333 MT/s to 2667 MT/s
• UDIMM, RDIMM, LRDIMM, SODIMM, NVDIMM, Flash
DIMM and 3DS support