Asus MAXIMUS FORMULA SPECIAL Motherboard Installation Guide - Page 93

FSB Termination Voltage [Auto] Allows you to select the front side bus (FSB) termination voltage. The text color in the configuration field indicates voltage condition. When you set the NB LED Selection item to [FSBT Volt], the onboard northbridge LED displays FSB termination voltage condition. Refer to page 2-2 for northbridge LED definition. Configuration options: [Auto] [1.20V] [1.22V] [1.24V] [1.26V] [1.28V] [1.30V]~[1.90V] [1.92V] [1.94V] [1.96V] [1.98V] [2.00V] Setting a high FSB termination voltage may damage the chipset and CPU. South Bridge Voltage [Auto] Allows you to select the southbridge voltage. The text color in the configuration field indicates voltage condition. When you set the SB LED Selection item to [SB Volt], the onboard southbridge LED displays southbridge voltage condition. Refer to page 2-2 for southbridge LED definition. Configuration options: [Auto] [1.050V] [1.075V] [1.110V] [1.125V] [1.150V] [1.175V] [1.200V] [1.225V] Loadline Calibration [Auto] Configuration options: [Auto] [Disabled] [Enabled] CPU GTL Reference [Auto] Allows you to set the CPU GTL reference. Configuration options: [Auto] [0.63x] [0.61x] [0.59x] [0.57x] North Bridge GTL Refernece [Auto] Configuration options: [Auto] [0.67V] [0.63V] [0.60V] [0.57V] [0.56V] [0.53V] [0.51V] [0.49V] DDR2 Channel A REF Voltage [Auto] Allows you to manually set the memory voltage, or you can set to [Auto] for the safe mode. Configuration options: [DDR2_REF-30mv] [DDR2_REF-20mv] [DDR2_REF-10mv] [DDR2_REF] [DDR2_REF+10mv] [DDR2_REF+20mv] [DDR2_REF+30mv] DDR2 Channel B REF Voltage [Auto] Allows you to manually set the memory voltage, or you can set to [Auto] for the safe mode. Configuration options: [DDR2_REF-30mv] [DDR2_REF-20mv] [DDR2_REF-10mv] [DDR2_REF] [DDRII_REF+10mv] [DDR2_REF+20mv] [DDR2_REF+30mv] ROG Maximus Formula (Special Edition) / Maximus Formula 4-21