User`s manual

BIOS Setup 3-3
! External Clock:
This item selects the external clock frequency. Due to the specification limit of the CPU you installed, the
speed you set over its standard bus speed is supported, but not guaranteed.
! PCIe Clock Adjust
This item determines the PCIe frequency. This option allows you to keep your PCIe clock at some fixed
frequency to improve system stability.
! Multiplier Factor:
This item displays the multiplier factor for the CPU you installed.
! Estimated New CPU Clock:
This item displays an estimated CPU processor speed.
! N/B Strap CPU As:
This item sets the external hardware reset strap assigned to MCH (Memory Controller Hub). The options
are: [PSB1066], [PSB533], [PSB800], and [By CPU]. The default setting is By CPU.
To set this option manually:
• Select [PSB1066] for CPU of 266MHz FSB frequency.
• Select [PSB533] for CPU of 133MHz FSB frequency.
• Select [PSB800] for CPU of 200MHz FSB frequency.
! DRAM Frequency:
This item determines the DRAM frequency.
Voltages Control:
This option allows you to switch between the default and user-defined voltages. Leave this setting to
default unless the current voltage setting cannot be detected or is not correct. The option “User Define”
enables you to select the following voltages manually.
! CPU Core Voltage:
This item selects the CPU core voltage.
! MCH & PCIE 1.5V Voltage:
This item selects the voltage for MCH & PCIE.
! DDR SDRAM Voltage:
This item selects the voltage for DRAM slot.
User’s Manual