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Asus H81M-C, H81M-C/CSM 1.3.2CPU heatsink and fan assembly installation, 4 C5

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4 C5

1.3.2CPU heatsink and fan assembly installation

Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan if necessary.

ASUS H81M-C

1-5

Contents

H81M-C H81M-C/CSM Page Product introduction BIOS information Appendices Electrical safety Operation safety How this guide is organized Where to find more information Conventions used in this guide Typography Package contents H81M-Cspecifications summary Page Page Product introduction 1.2.1Placement direction 1.2.2Screw holes 1.2.3Motherboard layout 1.2.4Layout contents 1.3.1Installing the CPU 1.3.2CPU heatsink and fan assembly installation To install the CPU heatsink and fan assembly To uninstall the CPU heatsink and fan assembly 1.4.1Overview 1.4.2Memory configurations 1.4.3Installing a DIMM Removing a DIMM 1.5.1Installing an expansion card 1.5.2Configuring an expansion card 1.5.3PCI Express 2.0 x1 slots 1.5.4PCI Express x16 slot 1.5.3PCI slots IRQ assignments for this motherboard Del 2.PS2 and USB device wake-up(PS2_USBPW1~6) 1.7.1Rear panel connectors Line In port (light blue) Microphone port (pink) Audio 2.1, 4.1, 5.1, or 7.1-channelconfiguration USB 3.0 ports 1 and USB 2.0 ports 3~6 1.7.2Internal connectors 3.Front panel audio connector (10-1pin AAFP) H81M-CFront panel audio connector 4.Intel® H81 Serial ATA 6.0Gb/s connector (7-pinSATA6G_1~2 [yellow]) H81M-CSATA 6.0Gb/s connectors 5.Intel® H81 Serial ATA 3.0Gb/s connector (7-pinSATA3G_1~2) H81M-CSATA 3.0Gb/s connectors 6. CPU and chassis fan connectors (4-pinCPU_FAN, 4-pinCHA_FAN) H81M-CFan connectors 7.USB 2.0 connectors (10-1pin USB910, USB1112) 8.Serial port connector (10-1pin COM) H81M-CSerial port connectors 9.System panel connector (10-1pin PANEL) •System power LED (2-pinPWR_LED) •Hard disk drive activity LED (2-pinHDD_LED) •Reset button (2-pinRESET) 10.Speaker connector (4-pinSPEAKER) 1.8Onboard LEDs 1.Standby Power LED H81M-COnboard LED 1.9.1Installing an operating system 1.9.2Support DVD information To run the Support DVD BIOS information 2.1.1EZ Update 2.1.2ASUS EZ Flash 2.1.3ASUS CrashFree BIOS 3 utility Recovering the BIOS 2.1.4ASUS BIOS Updater Before updating BIOS Booting the system to a DOS environment Updating the BIOS file Page Entering BIOS Setup at startup Entering BIOS Setup after POST BIOS menu screen EZ Mode Advanced Mode Menu bar Menu items Back button Submenu items Pop-upwindow Scroll bar Navigation keys General help Adding items to My Favorites 2.4.1System Language [English] 2.4.2System Date [Day xx/xx/xxxx] 2.4.3System Time [xx:xx:xx] 2.4.4Security Administrator Password User Password 2.5Ai Tweaker menu Target CPU Turbo-ModeSpeed : xxxxMHz Target DRAM Speed : xxxxMHz Target Cache Speed : xxxxMHz Target DMI/PEG Clock : xxxxMHz 2.5.1ASUS MultiCore Enhancement [Auto] 2.5.2Ai Overclock Tuner [Auto] 2.5.3CPU Core Ratio [Auto] 2.5.4Min CPU Cache Ratio [Auto] 2.5.5Max CPU Cache Ratio [Auto] 2.5.6BCLK Frequency : DRAM Frequency Ratio [Auto] 2.5.7DRAM Frequency [Auto] 2.5.8Max. CPU Graphics Ratio [Auto] 2.5.9GPU Boost [As is] 2.5.10EPU Power Saving Mode [Auto] 2.5.11DRAM Timing Control DRAM WRITE to READ Delay [Auto] DRAM CKE Minimum pulse width [Auto] DRAM CAS# Write Latency [Auto] RTL IOL control DRAM RTL Initial Value [Auto] 2.5.12CPU Power Management Enhanced Intel® SpeedStep Technology [Enabled] Turbo Mode [Enabled] Package Power Time Window [Auto] Short Duration Package Power Limit [Auto] CPU Integrated VR Current Limit [Auto] CPU Internal Power Switching Frequency Frequency Tuning Mode [Auto] 2.5.13CPU Core Voltage [Auto] CPU Core Voltage Override [Auto] Offset Mode Sign [+] 2.5.14CPU Cache Voltage [Auto] CPU Cache Voltage Override [Auto] 2.5.15CPU Graphics Voltage [Auto] CPU Graphics Voltage Override [Auto] Additional Turbo Mode CPU Graphics Voltage [Auto] Total Adaptive Mode CPU Graphics Voltage [Auto] 2.5.16CPU System Agent Voltage Offset Mode Sign [+] 2.5.18CPU Digital I/O Voltage Offset Mode Sign [+] CPU Digital I/O Voltage Offset [Auto] 2.5.19SVID Control [Auto] 2.5.20DRAM Voltage [Auto] 2.6.1CPU Configuration Intel® Adaptive Thermal Monitor [Enabled] Hyper-threading[Enabled] Active Processor Cores [All] Limit CPUID Maximum [Disabled] Boot performance mode [Max Non-Tu...] CPU Power Management Configuration 2.6.2PCH Configuration PCI Express Configuration Intel® Rapid Start Technology Intel® Smart Connect Technology [Disabled] 2.6.3SATA Configuration SATA Mode Selection [AHCI] Aggressive LPM Support [Auto] IDE Legacy / Native Mode Selection [Native] S.M.A.R.T. Status Check [Enabled] Graphics Configuration DMI Configuration NB PCIe Configuration Memory Configuration 2.6.5USB Configuration Legacy USB Support [Enabled] Intel xHCI Mode [Smart Auto] EHCI Hand-off[Disabled] USB Single Port Control 2.6.7Onboard Devices Configuration HD Audio Controller [Enabled] Front Panel Type [HD] Realtek LAN Controller [Enabled] Realtek PXE Option Rom [Disabled] 2.6.8APM Restore AC Power Loss [Power Off] Power On By PS/2 Keyboard [Disabled] Power On By PS/2 Mouse [Disabled] Power On By PCIE/PCI [Disabled] 2.6.9Network Stack Configuration Network Stack [Disabled] Ipv4 PXE Support [Enabled] Ipv6 PXE Support [Enabled] 2.7.1CPU Temperature [xxxºC/xxxºF] 2.7.2CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A] 2.7.3CPU Input Voltage (VCCIN), 3.3V Voltage, 5V Voltage, 12V Voltage 2.7.4CPU Q-FanControl [Enabled] CPU Fan Speed Low Limit [200 RPM] 2.7.5Chassis Q-FanControl [Enabled] Chassis Fan Speed Low Limit [600 RPM] Chassis Fan Profile [Standard] 2.7.6Anti Surge Support [Disabled] 2.8.1Fast Boot [Enabled] SATA Support [All Devices] USB Support [Partial In...] PS/2 Keyboard and Mouse Support [Auto] Network Stack Driver Support [Disabled] 2.8.2Boot Logo Display [Auto] POST Delay Time [3 sec] Post Report [5 sec] 2.8.3Bootup NumLock State [On] 2.8.4Wait for ‘F1’ If Error [Enabled] 2.8.5Option ROM Messages [Force BIOS] 2.8.6Interrupt 19 Capture [Disabled] 2.8.7Setup Mode [EZ Mode] 2.8.9Secure Boot OS Type [Windows UE...] Key Management Load PK from File KEK Management Delete the KEK Load KEK from File Append KEK from file 2.8.10Boot Option Priorities 2.8.11Boot Override 2.9.1ASUS EZ Flash 2 Utility 2.9.2ASUS O.C. Profile Label Save to Profile Load from Profile Load Optimized Defaults Save Changes & Reset Discard Changes & Exit ASUS EZ Mode Launch EFI Shell from filesystem device Page Appendices Federal Communications Commission Statement IC: Canadian Compliance Statement Canadian Department of Communications Statement VCCI: Japan Compliance Statement VCCI Class B Statement KC: Korea Warning Statement REACH ASUSTeK COMPUTER INC ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria) DECLARATION OF CONFORMITY EC Declaration of Conformity