Abit AB-AI7, User Manual

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BIOS Setup 3-3
Estimated new CPU clock:
This item displays the frequency sum up from the previous item [Ext. 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: [PSB400], [PSB533], [PSB800], and [By CPU]. The default setting is
By CPU .
To set this option manually:
•
Select [PSB400] for CPU of 100MHz FSB frequency.
•
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.
Fixed AGP/PCI Frequency:
This item determines the AGP/PCI bus frequency. This option allows you to keep your AGP/PCI clock at
some fixed frequency to improve system stability.
CPU Power Supply:
This option allows you to switch between CPU default and user-defined voltages. Leave this setting to
default unless the current CPU type and voltage setting cannot be detected or is not correct. The option
“
User Define ” enables you to select the Core Voltage manually.
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 Voltage:
This item selects the voltage for DRAM slot.
AGP VDDQ Voltage:
This item selects the voltage for AGP slot.
Press F8 to OC on the Fly:
After a new configuration on items “Ext. Clock (CPU/AGP/PCI)” and “Voltage”, pressing <F8> button
now in this menu will make it become effective immediately.
ATTENTION: An external clock too much over its specification may cause the system unstable or even
fail, please proceed with highly attention.
User’s Manual