Acer Aspire G7750 Series - Page 28

20 Chapter 2
Adjust DRAM Configuration Press Enter to access the Adjust DRAM Configuration submenu to override the memory’s
Serial Presence Detect (SPD) settings by manually entering values for DRAM timings.
Adjust PCI-E Frequency Sets the PCI Express clock frequency. 101 to 115
MCP PCI-Express
Frequency, MHz
Sets the reference clock for the media and communications processor
(MCP) PCI Express
101 to 115
Auto Disabled DIMM/PCI
Frequency
Enables or disables the system to remove (turn off) clocks from empty
DIMM and PCI slots to minimize electromagnetic interference (EMI).
Enabled
Disabled
CPU Voltage (V) Select processor voltage control. Auto
DRAM Voltage (V) Select memory voltage control to increase memory speed. 2.00
Min: 1.80v
Max: 2.80 V
NB Voltage (V) Select Northbridge (NB) chipset voltage control. Auto
Min: 1.200v
Max: 1.600 V
SB Voltage (V) Select Southbridge (SB) chipset voltage control. Auto
Min: 1.500v
Max: 2.000 V
NB Memory Reference
Voltage
Set the NB memory reference voltage. Auto
DIMM Memory Reference
Voltage
Set the memory reference voltage. Auto
Memory Terminator Voltage Set the memory terminator voltage. Auto
CPU GTL Reference
Voltage
Set the processor Gunning Transreceiver Logic (GTL) reference voltage to
provide headroom for overclocking quad-core processors.
Auto
NB GTL Reference Voltage Set the NB GTL reference voltage to provide the best level of stability on
the system.
Auto
FSB Terminator Voltage Set the FSB terminator voltage. Auto
Spread Spectrum Enables or disables the reduction of the mainboard’s EMI.
Note: Remember to disable the Spread Spectrum feature if you are
overclocking. A slight jitter can introduce a temporary boost in clock speed
causing the overclocked processor to lock up.
Enabled
Disabled
Parameter Description Option