User Manual
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... High Definition Audio CODEC - Supports Jack-Detecting, Multi-streaming, and Front Panel Jack-Retasking - ASUS Noise-Filtering LSI® L-FW3227 1394a controller supports 2 x IEEE 1394a ports (one at mid...) 12 x USB 2.0 ports (6 ports at mid-board, 6 ports at back I/O - P5QC specifications summary CPU Chipset System Bus Memory Expansion Slots Storage LAN Audio IEEE 1394 USB LGA775 socket...max. 8GB, DDR3 1333 / 1066 / 800 MHz, non-ECC, un-buffered memory 4 x DIMM, max. 16GB, DDR2 1066 / 800 / 667 MHz, non-ECC, un-buffered memory Dual channel memory architecture * DDR2 1066MHz DIMMs work...
... High Definition Audio CODEC - Supports Jack-Detecting, Multi-streaming, and Front Panel Jack-Retasking - ASUS Noise-Filtering LSI® L-FW3227 1394a controller supports 2 x IEEE 1394a ports (one at mid...) 12 x USB 2.0 ports (6 ports at mid-board, 6 ports at back I/O - P5QC specifications summary CPU Chipset System Bus Memory Expansion Slots Storage LAN Audio IEEE 1394 USB LGA775 socket...max. 8GB, DDR3 1333 / 1066 / 800 MHz, non-ECC, un-buffered memory 4 x DIMM, max. 16GB, DDR2 1066 / 800 / 667 MHz, non-ECC, un-buffered memory Dual channel memory architecture * DDR2 1066MHz DIMMs work...
User Manual
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...-step Hyper Transport voltage control SFS (Stepless Frequency Selection) - Memory tuning from 667MHz to 2000MHz for DDR2 - ASUS 3rd Generation 8-Phase Power Design - ASUS Express Gate - ASUS MyLogo 2 - ASUS Fanless Design: Stylish heatsink - Memory tuning from 200MHz to 1333MHz for DDR3 - vChipset (N.B.): 40-step chipset voltage control - FSB tuning from 100MHz up to 180MHz at 1MHz...
...-step Hyper Transport voltage control SFS (Stepless Frequency Selection) - Memory tuning from 667MHz to 2000MHz for DDR2 - ASUS 3rd Generation 8-Phase Power Design - ASUS Express Gate - ASUS MyLogo 2 - ASUS Fanless Design: Stylish heatsink - Memory tuning from 200MHz to 1333MHz for DDR3 - vChipset (N.B.): 40-step chipset voltage control - FSB tuning from 100MHz up to 180MHz at 1MHz...
User Manual
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... latency of your system memory to support dualchannel DDR3 1066 / 800 or DDR2 800 / 667 architecture, 1333 / 1066 / 800 FSB (Front Side Bus), PCIe 2.0, and multi-core CPUs. Furthermore, this motherboard does not restrict the memory size across two channels. 1.3 Special features 1.3.1 Product highlights Green ASUS This motherboard and its packaging comply with 1600 / 1333...
... latency of your system memory to support dualchannel DDR3 1066 / 800 or DDR2 800 / 667 architecture, 1333 / 1066 / 800 FSB (Front Side Bus), PCIe 2.0, and multi-core CPUs. Furthermore, this motherboard does not restrict the memory size across two channels. 1.3 Special features 1.3.1 Product highlights Green ASUS This motherboard and its packaging comply with 1600 / 1333...
User Manual
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... 2-35 2-6 2-23 2-11 2-32 2-27 2-28 2-21 2-29 2-33 2-37 2-1 2-30 2-31 2-33 2-26 2-36 2-34 2-36 ASUS P5QC 2-3 LGA775 CPU Socket 5. DDR2/DDR3 DIMM slots 7. ICH10R Serial ATA connectors [red] (7-pin SATA1-6) 10. Onboard LED (SB_PWR) 16. CPU, chassis, and power fan connectors (4-pin ... overvoltage setting (3-pin OV_CPU; 3-pin OV_NB) 6. TPM connector (20-1 pin TPM) 15. Front panel audio connector (10-1 pin AAFP) 22. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 4. Serial port connector (10-1 pin COM1) 19. Floppy disk drive connector (34-1 pin FLOPPY)...
... 2-35 2-6 2-23 2-11 2-32 2-27 2-28 2-21 2-29 2-33 2-37 2-1 2-30 2-31 2-33 2-26 2-36 2-34 2-36 ASUS P5QC 2-3 LGA775 CPU Socket 5. DDR2/DDR3 DIMM slots 7. ICH10R Serial ATA connectors [red] (7-pin SATA1-6) 10. Onboard LED (SB_PWR) 16. CPU, chassis, and power fan connectors (4-pin ... overvoltage setting (3-pin OV_CPU; 3-pin OV_NB) 6. TPM connector (20-1 pin TPM) 15. Front panel audio connector (10-1 pin AAFP) 22. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 4. Serial port connector (10-1 pin COM1) 19. Floppy disk drive connector (34-1 pin FLOPPY)...
User Manual
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.... ASUS P5QC 2-11 Ensure to install the DDR2 1066MHz DIMMs ONLY on a DDR2/DDR DIMM socket, while a DDR3/DDR2 module has a 240-pin footprint compared to prevent installation on the BLACK slots! A DDR3 module has the same physical dimensions as a DDR2/DDR DIMM but is notched differently to the 184-pin DDR DIMM. 2.4 System memory 2.4.1 Overview The motherboard comes...
.... ASUS P5QC 2-11 Ensure to install the DDR2 1066MHz DIMMs ONLY on a DDR2/DDR DIMM socket, while a DDR3/DDR2 module has a 240-pin footprint compared to prevent installation on the BLACK slots! A DDR3 module has the same physical dimensions as a DDR2/DDR DIMM but is notched differently to the 184-pin DDR DIMM. 2.4 System memory 2.4.1 Overview The motherboard comes...
User Manual
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... XP Professional x64 Edition Windows® Vista x64 Edition • The default memory operation frequency is reserved for other critical functions. For DDR3, only install the memory modules in Channel A and Channel B. This limitation appears on the operating systems listed below. 2.4.2 Memory configurations ...The system maps the total size of the lower-sized channel for single-channel operation. • For DDR2, it is recommended. • Due to chipset limitation, this motherboard can only support up of less than the vendor-marked value. Under the default state, some memory ...
... XP Professional x64 Edition Windows® Vista x64 Edition • The default memory operation frequency is reserved for other critical functions. For DDR3, only install the memory modules in Channel A and Channel B. This limitation appears on the operating systems listed below. 2.4.2 Memory configurations ...The system maps the total size of the lower-sized channel for single-channel operation. • For DDR2, it is recommended. • Due to chipset limitation, this motherboard can only support up of less than the vendor-marked value. Under the default state, some memory ...
User Manual
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... retaining clip • A DDR2/DDR3 DIMM is properly seated. DO NOT force a DIMM into the 3 socket until the retaining clips snap back in place and the DIMM is keyed with a notch so that the notch on the DIMM matches the break on this motherboard are orange-colored and do not... support DDR or DDR2 DIMMs. DO NOT install DDR or DDR2 DIMMs to the DDR3 DIMM sockets. • The DDR2 DIMM sockets do so may cause severe damage to the DDR2 DIMM sockets. 3. ASUS P5QC 2-17 Locked Retaining Clip 2.4.4 Removing...
... retaining clip • A DDR2/DDR3 DIMM is properly seated. DO NOT force a DIMM into the 3 socket until the retaining clips snap back in place and the DIMM is keyed with a notch so that the notch on the DIMM matches the break on this motherboard are orange-colored and do not... support DDR or DDR2 DIMMs. DO NOT install DDR or DDR2 DIMMs to the DDR3 DIMM sockets. • The DDR2 DIMM sockets do so may cause severe damage to the DDR2 DIMM sockets. 3. ASUS P5QC 2-17 Locked Retaining Clip 2.4.4 Removing...
User Manual
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...[Auto] Allows you install on the motherboard. (For DDR3 DIMMs) Configuration options: [Auto] [DDR3-533MHz] [DDR3-639MHz] [DDR3-667MHz] [DDR3-709MHz] [DDR3-800MHz] [DDR3-852MHz] [DDR3-887MHz] [DDR3-1066MHz] (For DDR2 DIMMs) Configuration options: [Auto] [DDR2-667MHz] [DDR2-800MHz] [DDR2-889MHz] [DDR2-1066MHz] The DRAM Frequency configuration options vary...Auto] [200 MHz] [266 MHz] [333 MHz] [400 MHz] 3.4.4 DRAM Frequency [Auto] Allows you set the DDR2/DDR3 operating frequency. Configuration options: [Auto] [06.0] [07.0] [08.0] FSB/CPU External Frequency Synchronization Front Side Bus FSB ...
...[Auto] Allows you install on the motherboard. (For DDR3 DIMMs) Configuration options: [Auto] [DDR3-533MHz] [DDR3-639MHz] [DDR3-667MHz] [DDR3-709MHz] [DDR3-800MHz] [DDR3-852MHz] [DDR3-887MHz] [DDR3-1066MHz] (For DDR2 DIMMs) Configuration options: [Auto] [DDR2-667MHz] [DDR2-800MHz] [DDR2-889MHz] [DDR2-1066MHz] The DRAM Frequency configuration options vary...Auto] [200 MHz] [266 MHz] [333 MHz] [400 MHz] 3.4.4 DRAM Frequency [Auto] Allows you set the DDR2/DDR3 operating frequency. Configuration options: [Auto] [06.0] [07.0] [08.0] FSB/CPU External Frequency Synchronization Front Side Bus FSB ...
User Manual
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...Voltage [Auto] Allows you to the table below for details. • The system may damage the chipset, memory module and CPU permanently. For DDR2, the values range from 1.10V to 3.08V with a 0.02V interval. Refer to set the front side bus termination voltage. The minimum value...20V* with a 0.02V interval. • The value [2.20V] of this item becomes 1.10V when a 45nm CPU is [1.70000V]. See 4. See 4. For DDR3, the values range from 1.20V* to the CPU documentation before setting the CPU Vcore voltage. CPU / Northbridge overvoltage setting on page 2-23 for details. 3.4.14...
...Voltage [Auto] Allows you to the table below for details. • The system may damage the chipset, memory module and CPU permanently. For DDR2, the values range from 1.10V to 3.08V with a 0.02V interval. Refer to set the front side bus termination voltage. The minimum value...20V* with a 0.02V interval. • The value [2.20V] of this item becomes 1.10V when a 45nm CPU is [1.70000V]. See 4. See 4. For DDR3, the values range from 1.20V* to the CPU documentation before setting the CPU Vcore voltage. CPU / Northbridge overvoltage setting on page 2-23 for details. 3.4.14...
User Manual
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... overclocking ability or [Auto] for EMI control. Blue CPU PLL Voltage 1.50V~1.78V FSB Termination Voltage 1.20V~1.38V DRAM Voltage (DDR3) 1.50V~1.68V DRAM Voltage (DDR2) 1.80V~1.98V NB Voltage 1.10V~1.26V Yellow 1.80V~2.00V 1.40V~1.90V 1.70V~1.90V 2.00V~2.20V 1.28V~1.40V Purple 2.02V...] [Disabled] 3.4.22 PCIE Spread Spectrum [Auto] Set to [Disabled] to set the PCI Express SATA voltage. Configuration options: [Auto] [Disabled] ASUS P5QC 3-21 The values range from 1.50V to 1.80V with a 0.10V interval. 3.4.19 PCIE SATA Voltage [Auto] Allows you to enhance PCIE overclocking ...
... overclocking ability or [Auto] for EMI control. Blue CPU PLL Voltage 1.50V~1.78V FSB Termination Voltage 1.20V~1.38V DRAM Voltage (DDR3) 1.50V~1.68V DRAM Voltage (DDR2) 1.80V~1.98V NB Voltage 1.10V~1.26V Yellow 1.80V~2.00V 1.40V~1.90V 1.70V~1.90V 2.00V~2.20V 1.28V~1.40V Purple 2.02V...] [Disabled] 3.4.22 PCIE Spread Spectrum [Auto] Set to [Disabled] to set the PCI Express SATA voltage. Configuration options: [Auto] [Disabled] ASUS P5QC 3-21 The values range from 1.50V to 1.80V with a 0.10V interval. 3.4.19 PCIE SATA Voltage [Auto] Allows you to enhance PCIE overclocking ...