H81M-C User's Manual
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... vi H81M-C specifications summary vi Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-7 1.5 Expansion slots 1-9 1.6 Jumpers 1-10 1.7 Connectors 1-12 1.8 Onboard LEDs 1-19 1.9 Software support 1-20... BIOS information 2.1 Managing and updating your BIOS 2-1 2.2 BIOS setup program 2-6 2.3 My Favorites 2-10 2.4 Main menu 2-11 2.5 Ai Tweaker menu 2-13 2.6 Advanced menu 2-22 2.7 Monitor menu 2-31 2.8 Boot menu 2-34 2.9 Tools menu 2-40 2.10 Exit menu 2-41 Appendices Notices...A-1 ASUS...
... vi H81M-C specifications summary vi Product introduction 1.1 Before you proceed 1-1 1.2 Motherboard overview 1-1 1.3 Central Processing Unit (CPU 1-3 1.4 System memory 1-7 1.5 Expansion slots 1-9 1.6 Jumpers 1-10 1.7 Connectors 1-12 1.8 Onboard LEDs 1-19 1.9 Software support 1-20... BIOS information 2.1 Managing and updating your BIOS 2-1 2.2 BIOS setup program 2-6 2.3 My Favorites 2-10 2.4 Main menu 2-11 2.5 Ai Tweaker menu 2-13 2.6 Advanced menu 2-22 2.7 Monitor menu 2-31 2.8 Boot menu 2-34 2.9 Tools menu 2-40 2.10 Exit menu 2-41 Appendices Notices...A-1 ASUS...
H81M-C User's Manual
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.../i3, Pentium®, Celeron® Processors Supports Intel® 22nm CPU Supports Intel® Turbo Boost Technology 2.0* * The Intel® Turbo Boost Technology 2.0 support depends on the CPU types. ** Refer to www.asus.com for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS H81M-C motherboard 2 x Serial ATA 6.0 Gb/s cables 1 x I/O Shield Support DVD User Guide If any of...
.../i3, Pentium®, Celeron® Processors Supports Intel® 22nm CPU Supports Intel® Turbo Boost Technology 2.0* * The Intel® Turbo Boost Technology 2.0 support depends on the CPU types. ** Refer to www.asus.com for the following items. Motherboard Cables Accessories Application DVD Documentation ASUS H81M-C motherboard 2 x Serial ATA 6.0 Gb/s cables 1 x I/O Shield Support DVD User Guide If any of...
H81M-C User's Manual
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viii H81M-C specifications summary Internal connectors BIOS features Manageability Support DVD Operating System Support Form factor 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0 ports 2 x SATA 6.0 Gb/s connectors 2 x SATA 3.0 Gb/s connectors 1 x CLRTC jumper 1 x 4-pin CPU fan connector 1 x 4-pin Chassis fan connectors 1 x Front panel audio connector (AAFP) 1 x System ..., DMI v2.0, WfM2.0, SM BIOS v2.7, ACPI v2.0a, SLP3.0, EUP-ready WOL, PXE, PME Wake up Drivers ASUS utilities EZ Update Anti-virus software (OEM version) Windows® 8 / Windows® 7 uATX form factor: 9.6"x 7"...
viii H81M-C specifications summary Internal connectors BIOS features Manageability Support DVD Operating System Support Form factor 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0 ports 2 x SATA 6.0 Gb/s connectors 2 x SATA 3.0 Gb/s connectors 1 x CLRTC jumper 1 x 4-pin CPU fan connector 1 x 4-pin Chassis fan connectors 1 x Front panel audio connector (AAFP) 1 x System ..., DMI v2.0, WfM2.0, SM BIOS v2.7, ACPI v2.0a, SLP3.0, EUP-ready WOL, PXE, PME Wake up Drivers ASUS utilities EZ Update Anti-virus software (OEM version) Windows® 8 / Windows® 7 uATX form factor: 9.6"x 7"...
H81M-C User's Manual
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...® CPU spec, DIMM voltage below 1.65V is notched differently from the same vendor. Use a maximum of 3GB system memory if you are using a 32-bit Windows® OS. - Install a 64-bit Windows® OS if you install memory modules of 512Mb (64MB) chips or less. ASUS H81M-C 1-7 ...For optimal compatibility, we recommend that you want to the memory address limitation on the motherboard. • This motherboard does not support DIMMs made up of the same version or date code (D/C) from a DDR ...
...® CPU spec, DIMM voltage below 1.65V is notched differently from the same vendor. Use a maximum of 3GB system memory if you are using a 32-bit Windows® OS. - Install a 64-bit Windows® OS if you install memory modules of 512Mb (64MB) chips or less. ASUS H81M-C 1-7 ...For optimal compatibility, we recommend that you want to the memory address limitation on the motherboard. • This motherboard does not support DIMMs made up of the same version or date code (D/C) from a DDR ...
H81M-C User's Manual
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...fan power. The CPU_FAN connector supports a CPU fan of the connector. SATA3G_1 GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXN1 RSATA_RXP1 GND H81M-C SATA3G_2 GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXN2 RSATA_RXP2 GND H81M-C SATA 3.0Gb/s connectors • You must install Windows. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND H81M-C CHA_FAN CHA FAN PWM CHA .... Intel® H81 Serial ATA 3.0Gb/s connector (7-pin SATA3G_1~2) This connector connects to the fan connectors. 5. Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature. 1-16 Chapter 1: Product introduction
...fan power. The CPU_FAN connector supports a CPU fan of the connector. SATA3G_1 GND RSATA_TXP1 RSATA_TXN1 GND RSATA_RXN1 RSATA_RXP1 GND H81M-C SATA3G_2 GND RSATA_TXP2 RSATA_TXN2 GND RSATA_RXN2 RSATA_RXP2 GND H81M-C SATA 3.0Gb/s connectors • You must install Windows. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND H81M-C CHA_FAN CHA FAN PWM CHA .... Intel® H81 Serial ATA 3.0Gb/s connector (7-pin SATA3G_1~2) This connector connects to the fan connectors. 5. Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature. 1-16 Chapter 1: Product introduction
H81M-C User's Manual
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... Technology, select this item to set the profiles supported by your system to set CPU Core Ratio settings for maximum performance under XMP/Manual/Userdefined memory frequency mode. Select [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 1-Core... individually. Target Cache Speed : xxxxMHz Displays the target Cache speed. Target CPU Turbo-Mode Speed : xxxxMHz Displays the target CPU Turbo-Mode speed. Target CPU Graphics Speed : xxxxMHz Displays the target iGPU speed. 2.5.1 ASUS MultiCore Enhancement [Auto] [Auto] [Disabled] Default set to [Auto] for...
... Technology, select this item to set the profiles supported by your system to set CPU Core Ratio settings for maximum performance under XMP/Manual/Userdefined memory frequency mode. Select [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 1-Core... individually. Target Cache Speed : xxxxMHz Displays the target Cache speed. Target CPU Turbo-Mode Speed : xxxxMHz Displays the target CPU Turbo-Mode speed. Target CPU Graphics Speed : xxxxMHz Displays the target iGPU speed. 2.5.1 ASUS MultiCore Enhancement [Auto] [Auto] [Disabled] Default set to [Auto] for...
H81M-C User's Manual
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... system to 0.999V with a 0.001V interval. 2.5.19 SVID Control [Auto] Disabling SVID Support stops the processor from 1.500V to Intel CPU specifications, DIMMs with a 0.05V interval. 2.5.18 CPU Digital I/O Voltage Offset Mode Sign [+] This item allows you to set the CPU digital I /O voltage offset. The values range from commmunicating with the voltage requirement below...
... system to 0.999V with a 0.001V interval. 2.5.19 SVID Control [Auto] Disabling SVID Support stops the processor from 1.500V to Intel CPU specifications, DIMMs with a 0.05V interval. 2.5.18 CPU Digital I/O Voltage Offset Mode Sign [+] This item allows you to set the CPU digital I /O voltage offset. The values range from commmunicating with the voltage requirement below...
H81M-C User's Manual
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...Configuration options: [All] [1] [2] [3] Limit CPUID Maximum [Disabled] [Enabled] Allows legacy operating systems to boot even without support for the CPU. [Disabled] Disables this function. Adjacent Cache Line Prefetch [Enabled] [Enabled] Allows a hardware platform to activate in each ...and codes for CPUs with extended CPUID functions. [Disabled] Disables this function. Active Processor Cores [All] Allows you installed. ASUS H81M-C 2-23 Hyper-threading [Enabled] The Intel Hyper-Threading Technology allows a hyper-threading processor to appear as several systems. [Disabled]...
...Configuration options: [All] [1] [2] [3] Limit CPUID Maximum [Disabled] [Enabled] Allows legacy operating systems to boot even without support for the CPU. [Disabled] Disables this function. Adjacent Cache Line Prefetch [Enabled] [Enabled] Allows a hardware platform to activate in each ...and codes for CPUs with extended CPUID functions. [Disabled] Disables this function. Active Processor Cores [All] Allows you installed. ASUS H81M-C 2-23 Hyper-threading [Enabled] The Intel Hyper-Threading Technology allows a hyper-threading processor to appear as several systems. [Disabled]...
H81M-C User's Manual
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...The system automatically set to Rapid Start Technology S4 mode. Configuration options: [Enabled] [Disabled] ASUS H81M-C 2-25 Entry on both NB and SB side of the DMI Link. Package C State Support [Auto] Allows you to select the PCI Express port speed. Ensure that the caching partition ...size is not enough for Rapid Start Technology to work . Configuration options: [Auto] [Enabled] [C0/C1] [C2] [C3] [C6] [CPU C7] [CPU C7s] 2.6.2 PCH Configuration ...
...The system automatically set to Rapid Start Technology S4 mode. Configuration options: [Enabled] [Disabled] ASUS H81M-C 2-25 Entry on both NB and SB side of the DMI Link. Package C State Support [Auto] Allows you to select the PCI Express port speed. Ensure that the caching partition ...size is not enough for Rapid Start Technology to work . Configuration options: [Auto] [Enabled] [C0/C1] [C2] [C3] [C6] [CPU C7] [CPU C7s] 2.6.2 PCH Configuration ...
H81M-C User's Manual
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...installed to use the AHCI (Advanced Host Controller Interface). Configuration options: [Enabled] [Disabled] CPU Audio Device [Disabled] Allows you to enable or disable the ISCT support. Aggressive LPM Support [Auto] This item appears only when you set the SATA configuration. [Disabled] Disables the...Mode Selection item to report warning messages during the POST. Intel® Smart Connect Technology [Disabled] ISCT Support [Disabled] Allows you to enable or disable CPU SA Audio Device. Configuration options: [Enabled] [Disabled] 2.6.3 SATA Configuration While entering Setup, the BIOS...
...installed to use the AHCI (Advanced Host Controller Interface). Configuration options: [Enabled] [Disabled] CPU Audio Device [Disabled] Allows you to enable or disable the ISCT support. Aggressive LPM Support [Auto] This item appears only when you set the SATA configuration. [Disabled] Disables the...Mode Selection item to report warning messages during the POST. Intel® Smart Connect Technology [Disabled] ISCT Support [Disabled] Allows you to enable or disable CPU SA Audio Device. Configuration options: [Enabled] [Disabled] 2.6.3 SATA Configuration While entering Setup, the BIOS...
H81M-C User's Manual
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... When the chassis temperature is under 40ºC, the chassis fan will operate at the minimum duty cycle. 2.7.6 Anti Surge Support [Disabled] This item allows you to disable or set the appropriate performance level of the chassis temperature. Chassis Fan Max. ... to 100%. When the CPU temperature is under the lower limit, the CPU fan will operate at the minimum duty cycle. 2.7.5 Chassis Q-Fan Control [Enabled] [Disabled] [Enabled] Disables the Chassis Q-Fan control feature. Configuration options: [Disabled] [Enabled] ASUS H81M-C 2-33 CPU Lower Temperature [20] Displays ...
... When the chassis temperature is under 40ºC, the chassis fan will operate at the minimum duty cycle. 2.7.6 Anti Surge Support [Disabled] This item allows you to disable or set the appropriate performance level of the chassis temperature. Chassis Fan Max. ... to 100%. When the CPU temperature is under the lower limit, the CPU fan will operate at the minimum duty cycle. 2.7.5 Chassis Q-Fan Control [Enabled] [Disabled] [Enabled] Disables the Chassis Q-Fan control feature. Configuration options: [Disabled] [Enabled] ASUS H81M-C 2-33 CPU Lower Temperature [20] Displays ...