User Guide

BIOS Setup 3-3
! Multiplier Factor:
This item displays the multiplier factors for your CPU.
! Estimated new CPU Clock:
This item displays the frequency sum up from the previous item [External Clock] and [Multiplier Factor].
! N/B Strap CPU As:
This item sets the external hardware reset strap assigned to MCH (Memory Controller Hub). The options
are: [PSB533], [PSB800], and [By CPU]. The default setting is By CPU.
To set this option manually:
• Select [PSB533] for CPU of 133MHz FSB frequency.
• Select [PSB800] for CPU of 200MHz FSB frequency.
! DRAM Ratio (CPU:DRAM):
This item determines the frequency ratio between CPU and DRAM.
! PCI Express Frequency:
This item determines the frequency for PCI Express.
! Fixed PCI Frequency:
This item determines the PCI bus frequency. This option allows you to keep your PCI clock at some fixed
frequency to improve system stability.
Voltage Control:
This item selects the voltage supplied to your system.
To adjust the following items manually, select the “Manual” option.
! CPU Core Voltage:
This item selects the CPU core voltage.
ATTENTION: A wrong voltage setting may cause the system unstable or even damage the CPU. Please
leave it to default settings unless you are fully aware of its consequences.
! DDR SDRAM Voltage:
This item selects the voltage supplied to memory slots.
! NB Voltage:
This item selects the voltage supplied to North Bridge.
User’s Manual