User Manual

2‑16Chapter 2: BIOS information
2.5.2 Memory Frequency [Auto]
The conguration options displayed vary depending on the CPU installed.
Allows you to set the memory operating frequency. Conguration options: [Auto] [DDR4‑
1346MHz] [DDR4‑1616MHz] [DDR4‑1885MHz] [DDR4‑2154MHz] [DDR4‑2424MHz]
Selecting a very high memory frequency may cause the system to become unstable! If this
happens, revert to the default setting.
2.5.3 APU Multiplier [Auto]
This item appears only when you install an AMD 7
th
Generation A‑series/Athlon
TM
processor.
Allows you to set the multiplier between the CPU Core Clock and the FSB Frequency. Use
the <+> and <‑> keys to adjust the ratio. The valid value ranges vary according to your CPU
model.
2.5.4 Custom CPU Core Ratio [Auto]
This item appears only when you install an AMD Ryzen
TM
processor.
Allows you to set the CPU core ratio automatically or manually. When you set this item to
[Manual], the CPU frequency equals (FID/DID) x 200. Conguration options: [Auto] [Manual]
CPU Core Ratio [Auto]
This item appears when you set Custom CPU Core Ratio to [Auto]. Use the <+> and
<‑> keys to adjust the value. You can also key in the desired value using the numeric
keypad.
FID [Auto]
This item appears when you set Custom CPU Core Ratio to [Manual]. Use the <+>
and <‑> keys to adjust the value. You can also key in the desired value using the
numeric keypad. The values range from 16 to 255.
DID [Auto]
This item appears when you set Custom CPU Core Ratio to [Manual]. Use the <+>
and <‑> keys to adjust the value. You can also key in the desired value using the
numeric keypad. The values range from 8 to 48.
2.5.5 EPU Power Saving Mode [Disabled]
Allows you to enable or disable the EPU power saving function. Conguration options:
[Disabled] [Enabled]