Abit AN8 SLI User Manual page 53

BIOS Setup
! 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.
!
Multiplier Factor:
This item displays the multiplier factor for the CPU you installed.
!
PCIE Clock
This item selects the PCI Express 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.
!
DDR SDRAM Voltage:
This item selects the voltage for DRAM slot.
!
DDR VTT Voltage:
This item selects the voltage for VTTMEM port.
!
nForce4 Voltage:
This item selects the NB voltage.
!
HyperTransport Voltage:
This item selects the voltage for LDT Bus.
DDR Ref Voltage:
This Item selects the voltage for DDR memory reference.
CPU Ref Voltage:
This Item selects the voltage for CPU memory reference.
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User's Manual