3-Core Ratio Limit; Bclk Ratio; Bclk Clock Frequency (1/100 Mhz); Internal Pll Overvoltage - Supermicro Supero C7Z97-M User Manual

Chapter 4: AMI BIOS

3-Core Ratio Limit

This increases (multiplies) 3 clock speeds in the CPU core in relation
to the bus speed when three CPU cores are active. Press "+" or "-" on
your keyboard to change the value. Enter 0 to use the manufacturer's
default setting.
4-Core Ratio Limit
This increases (multiplies) 4 clock speeds in the CPU core in relation
to the bus speed when four CPU cores are active. Press "+" or "-" on
your keyboard to change the value. Enter 0 to use the manufacturer's
default setting.

BCLK Ratio

This option selects the BLCK clock ratio ratio for the processor. The op-
tions are 1.00, 1.25, 1.67 and 2.50.

BCLK Clock Frequency (1/100 MHz)

Use this item to set the CPU clock override value for the host system.
Press "+" or "-" on your keyboard or on-screen keypad to change the
value. The default setting is 10000.

Internal PLL Overvoltage

Enable this option for better stability when overclocking. The options are
Disabled, and Enabled.

CPU BCLK Filter PLL Frequency

This option selects the speed of the CPU BCLK Filter PLL Frequency for
the processor. The options are High Frequency 3.2GHz, and Lower
Frequency 1.6GHz. CPU BCLK Filter Frequency. Choose 1.6 for better
overclocking capabilities

LCPLL or SBPLL Select

This option selects between LCPLL (resonant circuit-based PLL) and SBPLL
(Self-Biased PLL). The options are LCPLL, and SBPLL.

CPU Non Turbo Ratio Override

Use this item to set CPU ratio override when not in turbo mode. Press
"+" or "-" on your keyboard or on-screen keypad to change the value.
The default setting is dependent on the type of CPU installed.
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