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......iii Notices...viii Safety information ix About this guide x Crosshair II Formula specifications summary xii Chapter 1: Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-2 1.3.1 ROG Intelligent Performance & Overclocking features... 1-2 1.3.2 ROG unique features 1-3 1.3.3 Product highlights 1-6 Chapter 2: Hardware information 2.1 Before you proceed 2-1 2.2 Motherboard overview 2-4 2.2.1 Placement direction 2-4 2.2.2 Screw holes 2-4 2.2.3 Motherboard layout 2-5 2.2.4 Audio card layout 2-5 2.2.5 Layout contents 2-6 2.3 Central Processing Unit...
......iii Notices...viii Safety information ix About this guide x Crosshair II Formula specifications summary xii Chapter 1: Product introduction 1.1 Welcome 1-1 1.2 Package contents 1-1 1.3 Special features 1-2 1.3.1 ROG Intelligent Performance & Overclocking features... 1-2 1.3.2 ROG unique features 1-3 1.3.3 Product highlights 1-6 Chapter 2: Hardware information 2.1 Before you proceed 2-1 2.2 Motherboard overview 2-4 2.2.1 Placement direction 2-4 2.2.2 Screw holes 2-4 2.2.3 Motherboard layout 2-5 2.2.4 Audio card layout 2-5 2.2.5 Layout contents 2-6 2.3 Central Processing Unit...
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... game: Company of Heroes-Opposing Fronts Kaspersky® Anti-virus software Futuremark® 3DMark® 06 Advanced Edition Documentation User guide If any of ASUS quality motherboards! ASUS Crosshair II Formula 1-1 Thank you start installing the motherboard, and hardware devices on it another standout in your package with the list below. 1.2 Package contents Check your retailer. The...
... game: Company of Heroes-Opposing Fronts Kaspersky® Anti-virus software Futuremark® 3DMark® 06 Advanced Edition Documentation User guide If any of ASUS quality motherboards! ASUS Crosshair II Formula 1-1 Thank you start installing the motherboard, and hardware devices on it another standout in your package with the list below. 1.2 Package contents Check your retailer. The...
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... is a user-friendly BIOS update utility. See page 4-8 for details. ASUS EZ DIY ASUS EZ DIY feature collection provides you easy ways to install computer components, update the BIOS or back up your motherboard against Electronic Magnetic Interference (EMI). This unique adapter eliminates the trouble of ... front and rear environments and virtualized surround sound for details. You can update your BIOS in all movies, music and games. ASUS Crosshair II Formula 1-5 See page 2-25 for added vocal clarity when used in one complete module. It also provides stereo to experience crisp,...
... is a user-friendly BIOS update utility. See page 4-8 for details. ASUS EZ DIY ASUS EZ DIY feature collection provides you easy ways to install computer components, update the BIOS or back up your motherboard against Electronic Magnetic Interference (EMI). This unique adapter eliminates the trouble of ... front and rear environments and virtualized surround sound for details. You can update your BIOS in all movies, music and games. ASUS Crosshair II Formula 1-5 See page 2-25 for added vocal clarity when used in one complete module. It also provides stereo to experience crisp,...
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...performance. It provides faster data transfer rate and more bandwidth to www.asus. HDMI/DVI support HDMI (High-Definition Multimedia Interface) is the AMD® platform with motherboard GPUs. ASUS Crosshair II Formula 1-7 Hybrid SLI™ Hybrid SLI™ technology is a unique hybrid... multi-GPU technology built upon NVIDIA. The interface of this motherboard also supports DVI output. See page 2‑...
...performance. It provides faster data transfer rate and more bandwidth to www.asus. HDMI/DVI support HDMI (High-Definition Multimedia Interface) is the AMD® platform with motherboard GPUs. ASUS Crosshair II Formula 1-7 Hybrid SLI™ Hybrid SLI™ technology is a unique hybrid... multi-GPU technology built upon NVIDIA. The interface of this motherboard also supports DVI output. See page 2‑...
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Chapter summary 2 2.1 Before you proceed 2-1 2.2 Motherboard overview 2-4 2.3 Central Processing Unit (CPU 2-8 2.4 System memory 2-14 2.5 Expansion slots 2-19 2.6 Slide switch 2-23 2.7 Aduio card, I/O shield, and LCD Poster Installation 2-24 2.8 Connectors 2-26 ASUS Crosshair II Formula
Chapter summary 2 2.1 Before you proceed 2-1 2.2 Motherboard overview 2-4 2.3 Central Processing Unit (CPU 2-8 2.4 System memory 2-14 2.5 Expansion slots 2-19 2.6 Slide switch 2-23 2.7 Aduio card, I/O shield, and LCD Poster Installation 2-24 2.8 Connectors 2-26 ASUS Crosshair II Formula
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... ASUS Crosshair II Formula 2-1 Failure to do so may adjust the voltages in the bag that came with LEDs that the ATX power supply is switched off or the power cord is detached from the power supply. CPU_CRAZY CPU_HIGH CPU_NORMAL CROSSHAIR II FORMULA ® RESET CROSSHAIR II FORMULA CPU...Before you install or remove any component, ensure that indicate the voltage conditions of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Use a grounded...
... ASUS Crosshair II Formula 2-1 Failure to do so may adjust the voltages in the bag that came with LEDs that the ATX power supply is switched off or the power cord is detached from the power supply. CPU_CRAZY CPU_HIGH CPU_NORMAL CROSSHAIR II FORMULA ® RESET CROSSHAIR II FORMULA CPU...Before you install or remove any component, ensure that indicate the voltage conditions of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Use a grounded...
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... lights up when there is ON, in sleep mode, or in any motherboard component. CROSSHAIR II FORMULA ® RESET CROSSHAIR II FORMULA Power on switch. This is a reminder that the system is no hard disk drive connected to the motherboard or when the hard disk drive does not function. Hard Disk LED The... hard disk LED is being written into or read from the hard disk drive. The illustration below shows the location of the onboard power-on switch ASUS Crosshair II Formula 2-3 It blinks ...
... lights up when there is ON, in sleep mode, or in any motherboard component. CROSSHAIR II FORMULA ® RESET CROSSHAIR II FORMULA Power on switch. This is a reminder that the system is no hard disk drive connected to the motherboard or when the hard disk drive does not function. Hard Disk LED The... hard disk LED is being written into or read from the hard disk drive. The illustration below shows the location of the onboard power-on switch ASUS Crosshair II Formula 2-3 It blinks ...
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...ports goes to the rear part of your chassis to ensure that you physical injury and damage motherboard components. 2.2.1 Placement direction When installing the motherboard, make sure that the motherboard fits into it into the chassis in the image below. 2.2.2 Screw holes Place nine (9) ...screws into the holes indicated by circles to secure the motherboard to the chassis. Doing so can cause you place it . Place this side towards the rear of the chassis CROSSHAIR II FORMULA ® RESET 2-4 Chapter 2: Hardware information Failure to unplug the power cord ...
...ports goes to the rear part of your chassis to ensure that you physical injury and damage motherboard components. 2.2.1 Placement direction When installing the motherboard, make sure that the motherboard fits into it into the chassis in the image below. 2.2.2 Screw holes Place nine (9) ...screws into the holes indicated by circles to secure the motherboard to the chassis. Doing so can cause you place it . Place this side towards the rear of the chassis CROSSHAIR II FORMULA ® RESET 2-4 Chapter 2: Hardware information Failure to unplug the power cord ...
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2.2.3 Motherboard layout CLR_CMOS CHA_FAN1 CHA_FAN2 LCD_CON KB_USB56 EATX12V 24.5cm (9.6in) CPU_CRAZY ...E1394 LAN1_USB12 88E1116 88E8056 OPT_FAN1 OPT_TEMP1 PCIEX1_1 NVIDIA® nForce® 780a SLI™ SB_CRAZY SB_HIGH SB_NORMAL ROG PCIEX16_1 CROSSHAIR II FORMULA ® PCIEX1_2 PCIEX16_2 PCI1 OPT_TEMP2 OPT_FAN2 PCIEX16_3 EATXPWR OPT_TEMP3 DDR_CRAZY DDR_HIGH DDR_NORMAL OPT_FAN3 BR_CRAZY BR_HIGH BR_NORMAL NVIDIA® ... about rear panel connectors and internal connectors. 2.2.4 Audio card layout SUPREMEFX II Listen with Absolute HD ASUS Crosshair II Formula 2-5
2.2.3 Motherboard layout CLR_CMOS CHA_FAN1 CHA_FAN2 LCD_CON KB_USB56 EATX12V 24.5cm (9.6in) CPU_CRAZY ...E1394 LAN1_USB12 88E1116 88E8056 OPT_FAN1 OPT_TEMP1 PCIEX1_1 NVIDIA® nForce® 780a SLI™ SB_CRAZY SB_HIGH SB_NORMAL ROG PCIEX16_1 CROSSHAIR II FORMULA ® PCIEX1_2 PCIEX16_2 PCI1 OPT_TEMP2 OPT_FAN2 PCIEX16_3 EATXPWR OPT_TEMP3 DDR_CRAZY DDR_HIGH DDR_NORMAL OPT_FAN3 BR_CRAZY BR_HIGH BR_NORMAL NVIDIA® ... about rear panel connectors and internal connectors. 2.2.4 Audio card layout SUPREMEFX II Listen with Absolute HD ASUS Crosshair II Formula 2-5
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Make sure you use a CPU designed for the AMD Opteron processor. CROSSHAIR II FORMULA ® RESET CROSSHAIR II FORMULA CPU socket AM2+/AM2 2. Unlock the socket by pressing the lever sideways, then lift it up to a 90º angle. Socket lever Make sure that ...the socket lever is lifted up to a 90º angle; DO NOT force the CPU into the socket to prevent bending the connectors on the motherboard...
Make sure you use a CPU designed for the AMD Opteron processor. CROSSHAIR II FORMULA ® RESET CROSSHAIR II FORMULA CPU socket AM2+/AM2 2. Unlock the socket by pressing the lever sideways, then lift it up to a 90º angle. Socket lever Make sure that ...the socket lever is lifted up to a 90º angle; DO NOT force the CPU into the socket to prevent bending the connectors on the motherboard...
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CPU FAN PWM CPU FAN IN CPU FAN PWR GND 5. Hardware monitoring errors can occur if you fail to connect the CPU fan connector! CPU_FAN CROSSHAIR II FORMULA ® RESET CROSSHAIR II FORMULA CPU fan • Do not forget to plug this connector. • This connector is in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. When the fan and heatsink assembly is backward compatiable with old 3-pin CPU fan. 2-12 Chapter 2: Hardware information
CPU FAN PWM CPU FAN IN CPU FAN PWR GND 5. Hardware monitoring errors can occur if you fail to connect the CPU fan connector! CPU_FAN CROSSHAIR II FORMULA ® RESET CROSSHAIR II FORMULA CPU fan • Do not forget to plug this connector. • This connector is in place, connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. When the fan and heatsink assembly is backward compatiable with old 3-pin CPU fan. 2-12 Chapter 2: Hardware information
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Position the fan above the pipe and heatsink assembly. 2. Fit the fan to the fan and motherboard components. 2.3.3 Installing the optional fans Install the optional fan only if you are using a passive cooler or a water cooler. Installing the optional ...1. The photo shows the fan installed on the motherboard. • Plug the optional fan cable to the CHA_FAN1/2 connector on the motherboard. • Make sure the optional fan is installed correctly to prevent damage to the grooved edge of the heatsink. 3. ASUS Crosshair II Formula 2-13 Carefully push down the fan until it snugly...
Position the fan above the pipe and heatsink assembly. 2. Fit the fan to the fan and motherboard components. 2.3.3 Installing the optional fans Install the optional fan only if you are using a passive cooler or a water cooler. Installing the optional ...1. The photo shows the fan installed on the motherboard. • Plug the optional fan cable to the CHA_FAN1/2 connector on the motherboard. • Make sure the optional fan is installed correctly to prevent damage to the grooved edge of the heatsink. 3. ASUS Crosshair II Formula 2-13 Carefully push down the fan until it snugly...
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2.4 System memory 2.4.1 Overview The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. The figure illustrates the location of the DDR2 DIMM sockets: CROSSHAIR II FORMULA ® DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 RESET CROSSHAIR II FORMULA 240-pin DDR2 DIMM sockets Channel Channel A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 2-14 Chapter 2: Hardware information
2.4 System memory 2.4.1 Overview The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) sockets. The figure illustrates the location of the DDR2 DIMM sockets: CROSSHAIR II FORMULA ® DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 RESET CROSSHAIR II FORMULA 240-pin DDR2 DIMM sockets Channel Channel A Channel B Sockets DIMM_A1 and DIMM_A2 DIMM_B1 and DIMM_B2 2-14 Chapter 2: Hardware information
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...may install a maximum of 2 GB DIMMs on each slot. 64-bit Windows® XP Professional x64 Edition Windows® Vista x64 Edition ASUS Crosshair II Formula 2-15 This limitation appears on Windows® XP/Vista 32-bit operation system which does not support Physical Address Extension (PAE). •...Populated - The system maps the total size of 128 Mb chips. Notes on memory limitations • Due to chipset limitation, this motherboard can only support up of the lower-sized channel for the dual-channel configuration. 2.4.2 Memory configurations You may only recognize less than...
...may install a maximum of 2 GB DIMMs on each slot. 64-bit Windows® XP Professional x64 Edition Windows® Vista x64 Edition ASUS Crosshair II Formula 2-15 This limitation appears on Windows® XP/Vista 32-bit operation system which does not support Physical Address Extension (PAE). •...Populated - The system maps the total size of 128 Mb chips. Notes on memory limitations • Due to chipset limitation, this motherboard can only support up of the lower-sized channel for the dual-channel configuration. 2.4.2 Memory configurations You may only recognize less than...
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...NT5TU128M8CE-AC 5 DS A3R12E3HEF641B9A05 5 SS A3R12E3HEF641B9A05 5 DS E2508AB-GE-E 5 SS N2TU51280BE-25C N/A DS Part No. Visit the ASUS website for AM2 CPU Size Vendor 1024MB 1024MB 1024MB 1024MB 2048MB 2048MB 2048MB 512MB 1024MB 1024MB 1024MB 2048MB 1024MB 1024MB 1024MB 512MB ...C*: Supports four modules inserted into both the blue and white slots as two pairs of Dual-channel memory configuration. Crosshair II Formula Motherboard Qualified Vendors Lists (QVL) DDR2-800MHz capability for the latest DDR2-1066/�8�0�0�/�6�6�...
...NT5TU128M8CE-AC 5 DS A3R12E3HEF641B9A05 5 SS A3R12E3HEF641B9A05 5 DS E2508AB-GE-E 5 SS N2TU51280BE-25C N/A DS Part No. Visit the ASUS website for AM2 CPU Size Vendor 1024MB 1024MB 1024MB 1024MB 2048MB 2048MB 2048MB 512MB 1024MB 1024MB 1024MB 2048MB 1024MB 1024MB 1024MB 512MB ...C*: Supports four modules inserted into both the blue and white slots as two pairs of Dual-channel memory configuration. Crosshair II Formula Motherboard Qualified Vendors Lists (QVL) DDR2-800MHz capability for the latest DDR2-1066/�8�0�0�/�6�6�...
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... not need to the tables on the system and change the necessary BIOS settings, if any. Remove the system unit cover (if your motherboard is completely seated on BIOS setup. 2. Remove the bracket opposite the slot that the cards do so may need IRQ assignments. See Chapter...describe the slots and the expansion cards that came with the slot and press firmly until the card is already installed in a chassis). 3. ASUS Crosshair II Formula 2-19 Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. Keep the screw for the...
... not need to the tables on the system and change the necessary BIOS settings, if any. Remove the system unit cover (if your motherboard is completely seated on BIOS setup. 2. Remove the bracket opposite the slot that the cards do so may need IRQ assignments. See Chapter...describe the slots and the expansion cards that came with the slot and press firmly until the card is already installed in a chassis). 3. ASUS Crosshair II Formula 2-19 Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. Keep the screw for the...
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...the three PCI Express x16 slots support PCIe 2.0 devices. Refer to a PCIe x16 slot. 2.5.6 PCI Express x16 slots This motherboard has three PCI Express x16 slots that comply with the PCI Express specifications. All of the slots. 2.5.5 PCI Express x1 slots This...installed, the motherboard can enable multi‑display. This motherboard supports 3 SLI-ready Express x16 graphics cards that comply with PCI specifications. Audio/PCI Express x1 slot PCI Express x 16 slot PCI Express x 1 slot PCI slot PCI Express x 16 slot PCI slot PCI Express x16 slot ASUS Crosshair II Formula 2-21 ...
...the three PCI Express x16 slots support PCIe 2.0 devices. Refer to a PCIe x16 slot. 2.5.6 PCI Express x16 slots This motherboard has three PCI Express x16 slots that comply with the PCI Express specifications. All of the slots. 2.5.5 PCI Express x1 slots This...installed, the motherboard can enable multi‑display. This motherboard supports 3 SLI-ready Express x16 graphics cards that comply with PCI specifications. Audio/PCI Express x1 slot PCI Express x 16 slot PCI Express x 1 slot PCI slot PCI Express x 16 slot PCI slot PCI Express x16 slot ASUS Crosshair II Formula 2-21 ...
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Orient the motherboard and install by snapping it to the chassis. ASUS Crosshair II Formula 2-25 it in place from inside. Plug the LCD Poster cable into place. 4. Make sure that the motherboard external ports fit the I /O shield to wherever you like. Place the LCD Poster on the chassis or to the chassis 2. Install the I /O openings. 3. Thread the LCD Poster cable through the opening until its stopper snaps into the onboard connector labeled LCD_CON. 5. 2.7.2 I/O shield and LCD Poster Installation 1.
Orient the motherboard and install by snapping it to the chassis. ASUS Crosshair II Formula 2-25 it in place from inside. Plug the LCD Poster cable into place. 4. Make sure that the motherboard external ports fit the I /O shield to wherever you like. Place the LCD Poster on the chassis or to the chassis 2. Install the I /O openings. 3. Thread the LCD Poster cable through the opening until its stopper snaps into the onboard connector labeled LCD_CON. 5. 2.7.2 I/O shield and LCD Poster Installation 1.
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If any device jumper is removed to configure your device. CROSSHAIR II FORMULA ® PIN1 RESET CROSSHAIR II FORMULA IDE connector ASUS Crosshair II Formula 2-29 This prevents incorrect insertion when you connect the IDE cable. • Use the 80-conductor IDE cable for the Ultra ...100/66 IDE devices. Connect the blue connector to PIN 1. 2.8.2 Internal connectors 1. There are three connectors on the IDE ribbon cable to the motherboard's IDE connector, then select one of device(s) Master Slave Master Slave Cable connector Black Black Gray Black or gray • Pin 20 on ...
If any device jumper is removed to configure your device. CROSSHAIR II FORMULA ® PIN1 RESET CROSSHAIR II FORMULA IDE connector ASUS Crosshair II Formula 2-29 This prevents incorrect insertion when you connect the IDE cable. • Use the 80-conductor IDE cable for the Ultra ...100/66 IDE devices. Connect the blue connector to PIN 1. 2.8.2 Internal connectors 1. There are three connectors on the IDE ribbon cable to the motherboard's IDE connector, then select one of device(s) Master Slave Master Slave Cable connector Black Black Gray Black or gray • Pin 20 on ...