Asus H81M-C User Manual

2-18
Chapter 2: Getting started
tRDWR_dr [Auto]
Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock]
tRDWR_dd [Auto]
Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock]
MISC
MRC Fast Boot [Auto]
Allows you to enable, disable or automatically set the MRC fast boot.
Conguration options: [Auto] [Enable] [Disable]
DRAM CLK Period [Auto]
Conguration options: [Auto] [1] – [14]
Channel A DIMM Control [Enable Bot...]
Conguration options: [Enable Both DIMMS] [Disable DIMM0] [Disable DIMM1]
[Disable Both DIMMS]
Channel B DIMM Control [Enable Bot...]
Conguration options: [Enable Both DIMMS] [Disable DIMM0] [Disable DIMM1]
[Disable Both DIMMS]
Scrambler Setting [Optimized ...]
Conguration options: [Optimized (ASUS)] [Default (MRC)]
2.5.12 CPU Power Management
The subitems in this menu allow you to set the CPU ratio and features.
Enhanced Intel
®
SpeedStep Technology [Enabled]
Allows you to enable or disable the Enhanced Intel
®
SpeedStep Technology (EIST).
[Disabled] Disables this function.
[Enabled] The operating system dynamically adjusts the processor voltage and
core frequency which may result in decreased average consumption and
decreased average heat production.
Turbo Mode [Enabled]
Allows you to enable your core processor’s speed to run faster than the marked frequency in
a specic condition. Conguration options: [Disabled] [Enabled]
• Turbo Mode is only available on selected CPU models only.
• The following rst three items appear only when you set the Turbo Mode to
[Enabled].
Turbo Mode Parameters
Long Duration Package Power Limit [Auto]
Allows you to limit the turbo ratio’s long duration package power.
Use the <+> and <-> keys to adjust the value.

Asus H81M-C Specifications

General

Memory slots type	DIMM
Number of memory slots	2
Supported memory types	DDR3-SDRAM
Maximum internal memory	16 GB
Supported memory clock speeds	1066, 1333, 1666 MHz
Processor socket	LGA 1150 (Socket H3)
Processor manufacturer	Intel
Compatible processor series	Intel Celeron, Intel Pentium
S/PDIF out connector	Yes
Number of COM connectors	1
Number of SATA connectors	4
USB 3.2 Gen 1 (3.1 Gen 1) connectors	0
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Audio chip	Realtek ALC887
Component for	PC
Power source type	ATX
Motherboard chipset	Intel® H81
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Windows operating systems supported	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64
Supported storage drive interfaces	SATA II, SATA III
Maximum resolution	1920 x 1200 pixels
Maximum graphics card memory	1024 MB
Parallel processing technology support	Not supported
Cables included	SATA
LAN controller	Realtek RTL8111G
Ethernet interface type	Gigabit Ethernet
BIOS type	AMI
ACPI version	2.0a
BIOS memory size	64 Mbit

Weight and Dimensions

Depth	178 mm
Width	244 mm

Summary

Product Introduction and Hardware Components

Pre-installation Procedures and Component Overview

Safety precautions before installation and guide organization.

Installing Key Components

Step-by-step guide for CPU, memory, and expansion slots.

Jumpers, Connectors, and LEDs

Details on jumpers, internal/external connectors, and onboard LEDs.

Software Support and Drivers

Information on installing OS and using the support DVD.

BIOS Configuration and Management

Managing and Updating Your BIOS

Using BIOS update utilities like EZ Update and EZ Flash.

Navigating the BIOS Setup Program

Understanding BIOS modes (EZ, Advanced) and navigation elements.

Core BIOS Configuration Menus

Configuring system settings via Main, Ai Tweaker, Advanced, Monitor, Boot, Tools, Exit.

System Specifications and Compliance

Package Contents and Hardware Specifications

List of items included and detailed hardware specifications.

Safety, Conventions, and Regulatory Information

Safety guidelines, document conventions, and regulatory compliance.

Appendices and Contact Information

Notices and Compliance Statements

FCC, IC, and other regulatory compliance statements.

ASUS Contact and Support Information

Contact details for ASUS technical support and regional offices.