User Guide
Page 12
Crosshair IV Formula specifications summary CPU Chipset System Bus Memory Expansion Slots Multi-GPU Technology Storage LAN High Definition Audio xii AMD® Socket AM3; We recommend using a Windows® 32-bit OS. ** R efer to www.asus.com or this user manual for the Memory QVL (Qualified Vendors Lists) 3 x PCIe 2.0 x16 slots (dual at x16...
Crosshair IV Formula specifications summary CPU Chipset System Bus Memory Expansion Slots Multi-GPU Technology Storage LAN High Definition Audio xii AMD® Socket AM3; We recommend using a Windows® 32-bit OS. ** R efer to www.asus.com or this user manual for the Memory QVL (Qualified Vendors Lists) 3 x PCIe 2.0 x16 slots (dual at x16...
User Guide
Page 18
...3.0 (HT 3.0) interface speed and PCI Express™ 2.0 x16 graphics. AMD socket AM3 Phenom™ II / Athlon™ II / Sempron™ 100 Series processors support This motherboard supports AMD® Socket AM3 multi-core processors with unique L3 cache and delivers better overclocking capabilities with rendering speed...European Union's Restriction on the environment. AMD® 890FX Chipset AMD® 890FX Chipset is optimized with the ASUS vision of creating environment-friendly and recyclable products/packaging to get high quality images. In the Republic of the best. Green...
...3.0 (HT 3.0) interface speed and PCI Express™ 2.0 x16 graphics. AMD socket AM3 Phenom™ II / Athlon™ II / Sempron™ 100 Series processors support This motherboard supports AMD® Socket AM3 multi-core processors with unique L3 cache and delivers better overclocking capabilities with rendering speed...European Union's Restriction on the environment. AMD® 890FX Chipset AMD® 890FX Chipset is optimized with the ASUS vision of creating environment-friendly and recyclable products/packaging to get high quality images. In the Republic of the best. Green...
User Guide
Page 33
... 1394a port connector (10-1 pin IE1394_2) 18. CPU, chassis, and optional fan connectors (4-pin CPU_FAN; 4-pin PWR_FAN; 4-pin CHA_FAN1-3; 4-pin OPT_FAN1-3) 4. ROG Crosshair IV Formula 2-7 2.2.2 Layout contents Connectors/Jumpers/Switches/Slots 1. Clear RTC RAM (3-pin CLRTC_SW) 10. Core Unlocker switch 16. DDR3 DIMM slots 5. Turbo Key II switch...41 2-41 2-44 2-43 2-34 2-37 2-34 Refer to 2.8 Connectors for more information about rear panel connectors and internal connectors. AMD® AM3 Socket 3. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 2.
... 1394a port connector (10-1 pin IE1394_2) 18. CPU, chassis, and optional fan connectors (4-pin CPU_FAN; 4-pin PWR_FAN; 4-pin CHA_FAN1-3; 4-pin OPT_FAN1-3) 4. ROG Crosshair IV Formula 2-7 2.2.2 Layout contents Connectors/Jumpers/Switches/Slots 1. Clear RTC RAM (3-pin CLRTC_SW) 10. Core Unlocker switch 16. DDR3 DIMM slots 5. Turbo Key II switch...41 2-41 2-44 2-43 2-34 2-37 2-34 Refer to 2.8 Connectors for more information about rear panel connectors and internal connectors. AMD® AM3 Socket 3. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V) 2.
User Guide
Page 35
... the CPU socket on the socket and damaging the CPU! 2.3.1 Installing the CPU To install a CPU: 1. Socket lever ROG Crosshair IV Formula 2-9 Ensure you use a CPU designed for AMD socket AM3 Phenom™ II / Athlon™ II / Sempron™ 100 Series processors. Ensure that the socket lever is lifted up to... a 90˚ angle. Otherwise, the CPU will not fit in only one correct orientation. The CPU fits in completely. The AM3 socket has a different pinout from the AM2+/AM2 socket. Press the lever sideways to unlock the socket, then lift it up to a 90...
... the CPU socket on the socket and damaging the CPU! 2.3.1 Installing the CPU To install a CPU: 1. Socket lever ROG Crosshair IV Formula 2-9 Ensure you use a CPU designed for AMD socket AM3 Phenom™ II / Athlon™ II / Sempron™ 100 Series processors. Ensure that the socket lever is lifted up to... a 90˚ angle. Otherwise, the CPU will not fit in only one correct orientation. The CPU fits in completely. The AM3 socket has a different pinout from the AM2+/AM2 socket. Press the lever sideways to unlock the socket, then lift it up to a 90...
User Guide
Page 37
... latter. If the instructions in this section do not have to ensure optimum thermal condition and performance. 2.3.2 Installing the heatsink and fan The AMD socket AM3 Phenom™ II / Athlon™ II / Sempron™ 100 Series processors requires a specially designed heatsink and fan assembly to remove the retention module base when... heatsink Retention module base Your boxed CPU heatsink and fan assembly should come with installation instructions for the CPU, heatsink, and the retention mechanism. ROG Crosshair IV Formula 2-11
... latter. If the instructions in this section do not have to ensure optimum thermal condition and performance. 2.3.2 Installing the heatsink and fan The AMD socket AM3 Phenom™ II / Athlon™ II / Sempron™ 100 Series processors requires a specially designed heatsink and fan assembly to remove the retention module base when... heatsink Retention module base Your boxed CPU heatsink and fan assembly should come with installation instructions for the CPU, heatsink, and the retention mechanism. ROG Crosshair IV Formula 2-11
User Guide
Page 41
... to the memory address limitation on 32-bit Windows OS, when you want to support a full memory load (4 DIMMs) or overclocking condition. ROG Crosshair IV Formula 2-15 For effective use a more memory on the motherboard, the actual usable memory for single-channel operation. • We recommend that you install... the memory modules from the same vendor. • AMD AM3 100 and 200 series CPU support up to DDR3 1066MHz. • Due to different CPU margins, not all of 3GB system memory if you...
... to the memory address limitation on 32-bit Windows OS, when you want to support a full memory load (4 DIMMs) or overclocking condition. ROG Crosshair IV Formula 2-15 For effective use a more memory on the motherboard, the actual usable memory for single-channel operation. • We recommend that you install... the memory modules from the same vendor. • AMD AM3 100 and 200 series CPU support up to DDR3 1066MHz. • Due to different CPU margins, not all of 3GB system memory if you...