User Manual
Page 4
... panel connectors 2-27 2.7.2 Audio I/O connections 2-28 2.7.3 Internal connectors 2-31 2.7.4. ASUS Q-Connector (system panel 2-41 2.8 Onboard LEDs 2-42 2.9 Starting up for the first time 2-43 2.10 Turning off the computer 2-43 Chapter 3: BIOS setup 3.1 Knowing BIOS 3-1 3.2 Updating BIOS 3-1 3.2.1 ASUS Update utility 3-2 3.2.2 ASUS EZ Flash 2 utility 3-4 3.2.3 ASUS CrashFree BIOS 3 utility 3-5 3.3 BIOS setup program 3-6 3.3.1 BIOS menu screen 3-6 3.3.2 Menu...
... panel connectors 2-27 2.7.2 Audio I/O connections 2-28 2.7.3 Internal connectors 2-31 2.7.4. ASUS Q-Connector (system panel 2-41 2.8 Onboard LEDs 2-42 2.9 Starting up for the first time 2-43 2.10 Turning off the computer 2-43 Chapter 3: BIOS setup 3.1 Knowing BIOS 3-1 3.2 Updating BIOS 3-1 3.2.1 ASUS Update utility 3-2 3.2.2 ASUS EZ Flash 2 utility 3-4 3.2.3 ASUS CrashFree BIOS 3 utility 3-5 3.3 BIOS setup program 3-6 3.3.1 BIOS menu screen 3-6 3.3.2 Menu...
User Manual
Page 5
... 3-34 3.9.3 ASUS EZ Flash 2 3-34 3.9.4 Express Gate 3-35 3.9.5 ID LED 3-35 3.10 Exit menu 3-36 Contents 3.5.9 CPU Differential Amplitude 3-16 3.5.10 CPU Clock Skew 3-16 3.5.11 CPU Voltage Mode 3-16 3.5.12 IMC Voltage 3-17 3.5.13 DRAM Voltage 3-17 3.5.14 CPU PLL Voltage 3-17...18 3.5.17 DRAM CTRL REF Voltage on CHA/B 3-18 3.5.18 Load-Line Calibration 3-18 3.5.19 CPU Spread Spectrum 3-18 3.5.20 PCIE Spread Spectrum 3-18 3.6 Advanced menu 3-19 3.6.1 CPU Configuration 3-19 3.6.2 Uncore Configuration 3-21 3.6.3 Onboard Devices Configuration 3-22 3.6.4 USB Configuration 3-23 3.6.5...
... 3-34 3.9.3 ASUS EZ Flash 2 3-34 3.9.4 Express Gate 3-35 3.9.5 ID LED 3-35 3.10 Exit menu 3-36 Contents 3.5.9 CPU Differential Amplitude 3-16 3.5.10 CPU Clock Skew 3-16 3.5.11 CPU Voltage Mode 3-16 3.5.12 IMC Voltage 3-17 3.5.13 DRAM Voltage 3-17 3.5.14 CPU PLL Voltage 3-17...18 3.5.17 DRAM CTRL REF Voltage on CHA/B 3-18 3.5.18 Load-Line Calibration 3-18 3.5.19 CPU Spread Spectrum 3-18 3.5.20 PCIE Spread Spectrum 3-18 3.6 Advanced menu 3-19 3.6.1 CPU Configuration 3-19 3.6.2 Uncore Configuration 3-21 3.6.3 Onboard Devices Configuration 3-22 3.6.4 USB Configuration 3-23 3.6.5...
User Manual
Page 12
P7P55D Premium specifications summary ASUS Unique Features ASUS Q-Design ASUS Exclusive Overclocking Features Back Panel I /O (continued on the next page) xii MemOK! - ASUS Fanless Design: Heat-pipe solution - ASUS O.C. vCore: Adjustable CPU voltage at 0.00625V increment - T.Probe Technology for Active Cooling - ASUS Q-Connector - ASUS Q-Slot - vIMC: Adjustable IMC voltage at 0.00625V increment - vCPU_PLL: 4-step reference voltage control SFS (Stepless Frequency Selection...
P7P55D Premium specifications summary ASUS Unique Features ASUS Q-Design ASUS Exclusive Overclocking Features Back Panel I /O (continued on the next page) xii MemOK! - ASUS Fanless Design: Heat-pipe solution - ASUS O.C. vCore: Adjustable CPU voltage at 0.00625V increment - T.Probe Technology for Active Cooling - ASUS Q-Connector - ASUS Q-Slot - vIMC: Adjustable IMC voltage at 0.00625V increment - vCPU_PLL: 4-step reference voltage control SFS (Stepless Frequency Selection...
User Manual
Page 46
...OV_CPU switch when you to halt. Ensure your system functions well under high voltage settings. 2-26 Chapter 2: Hardware information Chapter 2 The LED color indicates the voltage setting status of the OV_CPU switch, shut down the computer and set the switch back to its default position....Read the following information before you change the switch settings for the first time. 4. CPU / IMC / DRAM overvoltage setting switches (OV_DRAM, OV_IMC, OV_CPU) These switches allow you install a new CPU and have not booted for extra-high overvoltage ability, use the BIOS items first to...
...OV_CPU switch when you to halt. Ensure your system functions well under high voltage settings. 2-26 Chapter 2: Hardware information Chapter 2 The LED color indicates the voltage setting status of the OV_CPU switch, shut down the computer and set the switch back to its default position....Read the following information before you change the switch settings for the first time. 4. CPU / IMC / DRAM overvoltage setting switches (OV_DRAM, OV_IMC, OV_CPU) These switches allow you install a new CPU and have not booted for extra-high overvoltage ability, use the BIOS items first to...
User Manual
Page 62
... an intuitional way to section 3.8.2 Boot Setting Configuration for details. 2-42 Chapter 2: Hardware information POST State LEDs POST State LEDs check key components (CPU, DRAM, VGA card, and HDD) in BIOS. Chapter 2 You may disable the POST State LEDs in sequence during motherboard booting process. Refer to locate the root problem within a second. ID...
... an intuitional way to section 3.8.2 Boot Setting Configuration for details. 2-42 Chapter 2: Hardware information POST State LEDs POST State LEDs check key components (CPU, DRAM, VGA card, and HDD) in BIOS. Chapter 2 You may disable the POST State LEDs in sequence during motherboard booting process. Refer to locate the root problem within a second. ID...