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......vi Safety information vii About this guide viii P7P55D LE specifications summary ix Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Motherboard layout 1-2 1.2.2 Layout contents 1-2 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-8 1.4.1 Overview 1-8 ... an operating system 1-26 1.10 Support DVD information 1-26 1.10.1 Running the support DVD 1-26 Chapter 2: BIOS setup 2-1 2.1 Managing and updating your BIOS 2-1 2.1.1 ASUS Update 2-1 2.1.2 ASUS EZ Flash 2 2-2 2.1.3 ASUS CrashFree BIOS 3 utility 2-3 2.2 BIOS...
......vi Safety information vii About this guide viii P7P55D LE specifications summary ix Chapter 1: Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-2 1.2.1 Motherboard layout 1-2 1.2.2 Layout contents 1-2 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-8 1.4.1 Overview 1-8 ... an operating system 1-26 1.10 Support DVD information 1-26 1.10.1 Running the support DVD 1-26 Chapter 2: BIOS setup 2-1 2.1 Managing and updating your BIOS 2-1 2.1.1 ASUS Update 2-1 2.1.2 ASUS EZ Flash 2 2-2 2.1.3 ASUS CrashFree BIOS 3 utility 2-3 2.2 BIOS...
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... Panel Jack-Retasking - BD audio layer Content Protection - P7P55D LE specifications summary CPU Chipset Memory Expansion Slots Multi-GPU Support Storage LAN USB Audio LGA1156 socket for Intel® Core™ i7/ Core™ i5 Processors Supports Intel® Turbo Boost Technology * Refer to www.asus.com for Intel CPU support list Intel® P55 Express Chipset 4 x DIMM...
... Panel Jack-Retasking - BD audio layer Content Protection - P7P55D LE specifications summary CPU Chipset Memory Expansion Slots Multi-GPU Support Storage LAN USB Audio LGA1156 socket for Intel® Core™ i7/ Core™ i5 Processors Supports Intel® Turbo Boost Technology * Refer to www.asus.com for Intel CPU support list Intel® P55 Express Chipset 4 x DIMM...
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...P7P55D LE specifications summary Internal I/O Connectors BIOS Features Manageability Accessories Support DVD Contents Form Factor 3 x USB connectors support additional 6 USB ports 1 x IDE connector 6 x SATA connectors 1 x CPU Fan connector 2 x Chassis Fan connectors (1 x 4-pin, 1 x 3-pin) 1 x Power Fan connector 1 x Front panel audio connector 1 x S/PDIF Out header 1 x CD audio in 1 Q-connector Drivers ASUS Utilities ASUS..., DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3 WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE 1 x UltraDMA 133/...
...P7P55D LE specifications summary Internal I/O Connectors BIOS Features Manageability Accessories Support DVD Contents Form Factor 3 x USB connectors support additional 6 USB ports 1 x IDE connector 6 x SATA connectors 1 x CPU Fan connector 2 x Chassis Fan connectors (1 x 4-pin, 1 x 3-pin) 1 x Power Fan connector 1 x Front panel audio connector 1 x S/PDIF Out header 1 x CD audio in 1 Q-connector Drivers ASUS Utilities ASUS..., DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3 WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE 1 x UltraDMA 133/...
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... to the Microsoft® support site at http://support.microsoft.com/kb/929605/en-us. • This motherboard does not support DIMMs made up to Intel spec definition, X.M.P. ASUS P7P55D LE 1-9 The system maps the total size of a higher frequency with a 2.66G CPU, enable the DRAM O.C. Use... a maximum of 3GB system memory if you are supported for single-channel operation. •...
... to the Microsoft® support site at http://support.microsoft.com/kb/929605/en-us. • This motherboard does not support DIMMs made up to Intel spec definition, X.M.P. ASUS P7P55D LE 1-9 The system maps the total size of a higher frequency with a 2.66G CPU, enable the DRAM O.C. Use... a maximum of 3GB system memory if you are supported for single-channel operation. •...
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... K4B2G0846B-HCF8 8(7-7-7-20) ELPIDA J1108BABG-AE-E 7(1066-7-7-7-20) Asint DDRIII1208-AE (7-7-7-20) Asint DDRIII1208-AE (7-7-7-20) Qimonda IDSH51-03A1F1C-10F 7 DIMM socket Voltage support (Optional) A* B* C* 1.1 • • • • • • • • • • • ...; • • • • • • • • • • • • P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1333MHz capability for CPU at 2.66, 2.8 and 2.93GHz Vendor Part No. Size SS/ Chip DS Brand Chip NO...
... K4B2G0846B-HCF8 8(7-7-7-20) ELPIDA J1108BABG-AE-E 7(1066-7-7-7-20) Asint DDRIII1208-AE (7-7-7-20) Asint DDRIII1208-AE (7-7-7-20) Qimonda IDSH51-03A1F1C-10F 7 DIMM socket Voltage support (Optional) A* B* C* 1.1 • • • • • • • • • • • ...; • • • • • • • • • • • • P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1333MHz capability for CPU at 2.66, 2.8 and 2.93GHz Vendor Part No. Size SS/ Chip DS Brand Chip NO...
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...1066-7-7-7-16) 1.6 9(1333-9-9-9-24) 1066-8-7-7-20 9(1333-9-9-9-24) 9(1333-9-9-9-24) 1066-8-7-7-20 9(1333-9-9-9-24) 9(1333-9-9-9-24) 8(1333-8-8-8-24) 1.8 DIMM socket support (Optional) A* B* C 9(1333-9-9-9-24) •• • 9(1333-9-9-9-24) •• • (9-9-9-24) •• • 1066... • • 9(1333-9-9-9-24) •• • 9(1333-9-9-9-24) •• • ASUS P7P55D LE 1-11 P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1333MHz capability for CPU at 2.66, 2.8 and 2.93GHz (continued) Vendor Part No.
...1066-7-7-7-16) 1.6 9(1333-9-9-9-24) 1066-8-7-7-20 9(1333-9-9-9-24) 9(1333-9-9-9-24) 1066-8-7-7-20 9(1333-9-9-9-24) 9(1333-9-9-9-24) 8(1333-8-8-8-24) 1.8 DIMM socket support (Optional) A* B* C 9(1333-9-9-9-24) •• • 9(1333-9-9-9-24) •• • (9-9-9-24) •• • 1066... • • 9(1333-9-9-9-24) •• • 9(1333-9-9-9-24) •• • ASUS P7P55D LE 1-11 P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1333MHz capability for CPU at 2.66, 2.8 and 2.93GHz (continued) Vendor Part No.
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...65 •• • 1066-8-8-8-20 •• • P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1625MHz capability for CPU at 2.66GHz Vendor KINGSTON KINGSTON KINGSTON Part No. Heat-Sink Package Heat-Sink Package Heat-Sink Package Timing Dimm(Bios) Voltage DIMM socket support (Optional) A* B* C* 1.9 • • • 1.9 ...Sink Package Patriot PVT36G1600ELK 6144MB(Kit of 2) SS/DS Chip Brand SS N/A SS N/A SS N/A Chip NO. P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1600MHz capability for CPU at 2.66GHz Vendor Part No.
...65 •• • 1066-8-8-8-20 •• • P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1625MHz capability for CPU at 2.66GHz Vendor KINGSTON KINGSTON KINGSTON Part No. Heat-Sink Package Heat-Sink Package Heat-Sink Package Timing Dimm(Bios) Voltage DIMM socket support (Optional) A* B* C* 1.9 • • • 1.9 ...Sink Package Patriot PVT36G1600ELK 6144MB(Kit of 2) SS/DS Chip Brand SS N/A SS N/A SS N/A Chip NO. P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1600MHz capability for CPU at 2.66GHz Vendor Part No.
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...-Sink Package 8-8-8-20(1066-7-7-7-20) 1.9 •• ASUS P7P55D LE 1-13 DIMM socket Timing Lable(Bios) Voltage support (Optional) A* B* C* Heat-Sink Package 1.9 • • • Heat-Sink Package 1.9 • • • Heat-Sink Package 1.9 • • • P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1800MHz capability for CPU at 2.8 and 2.93GHz Vendor Part No. Heat-Sink...
...-Sink Package 8-8-8-20(1066-7-7-7-20) 1.9 •• ASUS P7P55D LE 1-13 DIMM socket Timing Lable(Bios) Voltage support (Optional) A* B* C* Heat-Sink Package 1.9 • • • Heat-Sink Package 1.9 • • • Heat-Sink Package 1.9 • • • P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1800MHz capability for CPU at 2.8 and 2.93GHz Vendor Part No. Heat-Sink...
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...-8-8-8-20) 9(1066-8-8-8-20) 8 9 9-8-8(1066-8-7-7-20) 9-9-9-24 Voltage 2 1.65 1.65 2.0 1.65 1.65 1.65 1.9 1.9 1.8 DIMM socket support (Optional) A* B* C P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1866MHz capability for CPU at 2.66GHz Vendor Part No. Timing Dimm(Bios) DIMM socket Voltage support (Optional) A* B* C* Apacer 78.0AGCQ.CBZ(XMP) 3GB(Kit of 3) SS N/A Heat-Sink Package 9-9-9-27(1066...
...-8-8-8-20) 9(1066-8-8-8-20) 8 9 9-8-8(1066-8-7-7-20) 9-9-9-24 Voltage 2 1.65 1.65 2.0 1.65 1.65 1.65 1.9 1.9 1.8 DIMM socket support (Optional) A* B* C P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-1866MHz capability for CPU at 2.66GHz Vendor Part No. Timing Dimm(Bios) DIMM socket Voltage support (Optional) A* B* C* Apacer 78.0AGCQ.CBZ(XMP) 3GB(Kit of 3) SS N/A Heat-Sink Package 9-9-9-27(1066...
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... Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Timing Dimm(Bios) DIMM socket Voltage support (Optional) A* B* C* 9-9-9-27(1066-8-8-8-20) •• 9-9-9-28(1333-9-9-9-24) 2 ••• 7-8-7-20(1066-8-8-8-20) 1.65 • ... ASUS website for the latest QVL. Size SS/ DS Chip Brand Chip NO. G.SKILL F3-17066CL9T-6GB-T Size SS/ Chip DS Brand 6GB(Kit of 3) DS N/A Chip NO. ASUS P7P55D LE 1-15 Single-sided DS - P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-2000MHz capability for CPU ...
... Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Heat-Sink Package Timing Dimm(Bios) DIMM socket Voltage support (Optional) A* B* C* 9-9-9-27(1066-8-8-8-20) •• 9-9-9-28(1333-9-9-9-24) 2 ••• 7-8-7-20(1066-8-8-8-20) 1.65 • ... ASUS website for the latest QVL. Size SS/ DS Chip Brand Chip NO. G.SKILL F3-17066CL9T-6GB-T Size SS/ Chip DS Brand 6GB(Kit of 3) DS N/A Chip NO. ASUS P7P55D LE 1-15 Single-sided DS - P7P55D LE Motherboard Qualified Vendors Lists (QVL) DDR3-2000MHz capability for CPU ...
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...cards, we recommend that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum power of 1 A~4 A (48 W max.) at http://support.asus. Do not place jumper caps on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector. Do...(PSU) that you plug the rear chassis fan cable to connect the 8-pin EATX12V power plug. CPU, chassis, and power fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1, 3-pin CHA_FAN2, 3-pin PWR_FAN) The fan connectors support cooling fans of 350 mA~1000 mA (12 W max.) or a total of 600 W. •...
...cards, we recommend that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum power of 1 A~4 A (48 W max.) at http://support.asus. Do not place jumper caps on the motherboard, making sure that the black wire of each cable matches the ground pin of the connector. Do...(PSU) that you plug the rear chassis fan cable to connect the 8-pin EATX12V power plug. CPU, chassis, and power fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN1, 3-pin CHA_FAN2, 3-pin PWR_FAN) The fan connectors support cooling fans of 350 mA~1000 mA (12 W max.) or a total of 600 W. •...
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...DDR3-1866MHz] [DDR3-2000MHz] [DDR3-2133MHz] eXtreme Memory Profile [Disabled] This item appears only when you to achieve desired CPU internal frequency. The valid value ranges differently according to [X.M.P.] To obtain the best performance of the X.M.P. When set the Ai ...2.4.4 Intel(R) TurboMode Tech [Enabled] This item appears only if you install memory module(s) supporting the eXtreme Memory Profile (X.M.P.) Technology, choose this item to set the profile(s) supported by adjusting BCLK frequency. The configuration options for the system. profile, which applies different ...
...DDR3-1866MHz] [DDR3-2000MHz] [DDR3-2133MHz] eXtreme Memory Profile [Disabled] This item appears only when you to achieve desired CPU internal frequency. The valid value ranges differently according to [X.M.P.] To obtain the best performance of the X.M.P. When set the Ai ...2.4.4 Intel(R) TurboMode Tech [Enabled] This item appears only if you install memory module(s) supporting the eXtreme Memory Profile (X.M.P.) Technology, choose this item to set the profile(s) supported by adjusting BCLK frequency. The configuration options for the system. profile, which applies different ...
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... L1 :128 KB Cache L2 :1024 KB Cache L3 :8192 KB Ratio Status:Unlocked (Min:09, Max:16) Ratio Actual Value:16 CPUID: 20651 CPU Ratio Setting C1E Support Hardware Prefetcher Adjacent Cache Line Prefetch Max CPUID Value Limit Intel(R) Virtualization Tech [Auto] [Enabled] [Enabled] [Enabled] [Disabled] [Enabled] Sets the ratio between...
... L1 :128 KB Cache L2 :1024 KB Cache L3 :8192 KB Ratio Status:Unlocked (Min:09, Max:16) Ratio Actual Value:16 CPUID: 20651 CPU Ratio Setting C1E Support Hardware Prefetcher Adjacent Cache Line Prefetch Max CPUID Value Limit Intel(R) Virtualization Tech [Auto] [Enabled] [Enabled] [Enabled] [Disabled] [Enabled] Sets the ratio between...
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... to enable the L2 cache (MLC) Spatial Prefetcher for CPUs with extended CPUID functions. ASUS P7P55D LE 2-17 CPU Ratio Setting [Auto] Allows you to your CPU model. This item should be enabled in order to run multiple operating systems separately and ...this function. Max CPUID Value Limit [Disabled] [Enabled] [Disabled] Allows legacy operating systems to zero (0). C1E Support [Enabled] [Enabled] Enables the C1E support function. Hardware Prefetcher [Enabled] [Enabled] Enables the Hardware Prefetcher function. Intel(R) HT Technology [Enabled] [Enabled] ...
... to enable the L2 cache (MLC) Spatial Prefetcher for CPUs with extended CPUID functions. ASUS P7P55D LE 2-17 CPU Ratio Setting [Auto] Allows you to your CPU model. This item should be enabled in order to run multiple operating systems separately and ...this function. Max CPUID Value Limit [Disabled] [Enabled] [Disabled] Allows legacy operating systems to zero (0). C1E Support [Enabled] [Enabled] Enables the C1E support function. Hardware Prefetcher [Enabled] [Enabled] Enables the Hardware Prefetcher function. Intel(R) HT Technology [Enabled] [Enabled] ...
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... Tech item to automatically detect the C-State mode supported by the operating system. [Disabled] The CPU runs at its default speed. Intel(R) SpeedStep (TM) Tech [Enabled] [Enabled] The CPU speed is controlled by your CPU. C State package limit setting [Auto] This ... Allows processor cores to change the advanced chipset settings. Intel(R) C-STATE Tech [Disabled] [Enabled] Allows the CPU to be remapped above the total physical memory. DISABLE: Do not allow remapping of system memory that you install a C-State Technology-supported CPU. [Disabled] Disables this function.
... Tech item to automatically detect the C-State mode supported by the operating system. [Disabled] The CPU runs at its default speed. Intel(R) SpeedStep (TM) Tech [Enabled] [Enabled] The CPU speed is controlled by your CPU. C State package limit setting [Auto] This ... Allows processor cores to change the advanced chipset settings. Intel(R) C-STATE Tech [Disabled] [Enabled] Allows the CPU to be remapped above the total physical memory. DISABLE: Do not allow remapping of system memory that you install a C-State Technology-supported CPU. [Disabled] Disables this function.
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... update the BIOS file only coming from the same memory/CPU configuration and BIOS version. • Only the CMO file can support devices such as a USB flash disk with FAT 32/... We recommend that you to store or load multiple BIOS settings. Profile Utility V2.00b Current CMOS BOARD: P7P55D LE VER: 0166 DATE: 07/08/2009 Restore CMOS BOARD:Unknown VER: Unknown DATE: Unknown PATH: A:\ A:...current BIOS file to the BIOS Flash. Press , and choose a profile to display the submenu. 2.8.1 ASUS O.C. ASUSTek O.C. Load CMOS Profiles Allows you to run the utility. 2.8 Tools menu The Tools menu...
... update the BIOS file only coming from the same memory/CPU configuration and BIOS version. • Only the CMO file can support devices such as a USB flash disk with FAT 32/... We recommend that you to store or load multiple BIOS settings. Profile Utility V2.00b Current CMOS BOARD: P7P55D LE VER: 0166 DATE: 07/08/2009 Restore CMOS BOARD:Unknown VER: Unknown DATE: Unknown PATH: A:\ A:...current BIOS file to the BIOS Flash. Press , and choose a profile to display the submenu. 2.8.1 ASUS O.C. ASUSTek O.C. Load CMOS Profiles Allows you to run the utility. 2.8 Tools menu The Tools menu...