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Intel® Desktop Board DH55HC
Product Guide
Order Number: E78886-002
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Revision History Revision Revision History Date ® -001 First release of the Intel Desktop Board DH55HC Product Guide October 2009 ® -002 Second release of the Intel Desktop Board DH55HC Product Guide March 2011 If an FCC declaration of conformity marking is present on the board, the following statement applies: FCC Declaration of Conformity This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful
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Preface This Product Guide gives information about board layout, component installation, BIOS ® update, and regulatory requirements for Intel Desktop Board DH55HC. Intended Audience The Product Guide is intended for technically qualified personnel. It is not intended for general audiences. Use Only for Intended Applications All Intel Desktop Boards are evaluated as Information Technology Equipment (I.T.E.) for use in personal computers (PC) for installation in homes, offices, schools,
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Intel Desktop Board DH55HC Product Guide Terminology The table below gives descriptions of some common terms used in the product guide. Term Description GB Gigabyte (1,073,741,824 bytes) GHz Gigahertz (one billion hertz) KB Kilobyte (1024 bytes) MB Megabyte (1,048,576 bytes) Mb Megabit (1,048,576 bits) MHz Megahertz (one million hertz) iv
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Contents 1 Desktop Board Features Supported Operating Systems..............................................................................11 Desktop Board Components.................................................................................12 Processor..........................................................................................................14 ® Intel H55 Express Chipset .................................................................................14 Main Memory.
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Intel Desktop Board DH55HC Product Guide 2 Installing and Replacing Desktop Board Components Before You Begin ...............................................................................................27 Installation Precautions.......................................................................................28 Prevent Power Supply Overload ....................................................................28 Observe Safety and Regulatory Requirements..............................
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Contents A Error Messages and Indicators BIOS Error Codes...............................................................................................67 BIOS Error Messages..........................................................................................68 B Regulatory Compliance Safety Standards ...............................................................................................69 Place Battery Marking ..................................................................
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Intel Desktop Board DH55HC Product Guide Tables 1. Feature Summary.......................................................................................... 9 2. Intel Desktop Board DH55HC Components .......................................................13 3. LAN Connector LEDs .....................................................................................18 4. Front Panel Audio Signal Names for Intel HD Audio............................................47 5. Front Panel Audio Header
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1 Desktop Board Features ® This chapter briefly describes the features of Intel Desktop Board DH55HC. Table 1 summarizes the major features of the Desktop Board. Table 1. Feature Summary ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters Form Factor [9.60 inches]) ® ® ® • Intel Core™ i7, Intel Core™ i5, Intel Core™ i3, and Processor ® Intel Pentium processors in an LGA1156 socket: ® ― Integrated graphics processing (processors with Intel Graphics Technology) ― External
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Intel Desktop Board DH55HC Product Guide Table 1. Feature Summary (continued) • Twelve USB 2.0 ports: Peripheral Interfaces ― Six ports are implemented with stacked back panel connectors ― Six ports are implemented with three dual-port internal headers; one header supports an Intel Z-U130 USB Solid-State Drive (or compatible device) • Six Serial ATA (SATA) 3.0 Gb/s ports, two ports compatible with eSATA adapters • One serial port header • One parallel port header • One PS/2 back p
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Desktop Board Features Supported Operating Systems The Desktop Board supports the following operating systems: • Microsoft Windows* 7 Ultimate 64-bit edition • Microsoft Windows 7 Ultimate 32-bit edition • Microsoft Windows 7 Home Basic 64-bit edition • Microsoft Windows 7 Home Premium 64-bit edition • Microsoft Windows 7 Home Premium 32-bit edition • Microsoft Windows 7 Home Basic 32-bit edition • Microsoft Windows Vista* Ultimate 32-bit edition • Microsoft Windows Vista Business 32
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Intel Desktop Board DH55HC Product Guide Desktop Board Components Figure 1 shows the approximate location of the major components on Intel Desktop Board DH55HC. Figure 1. Intel Desktop Board DH55HC Components 12
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Desktop Board Features Table 2. Intel Desktop Board DH55HC Components Label Description A PCI bus add-in card connector B PCI bus add-in connector C PCI bus add-in connector D PCI Express 2.0 x1 add-in card connector E Battery F PCI Express 2.0 x1 add-in card connector G PCI Express 2.0 x16 add-in card connector H Back panel connectors I 12 V processor core voltage connector (2 x 2 pin) J Rear chassis fan header K Processor socket L Processor fan header M DDR3 Channel A, D
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Intel Desktop Board DH55HC Product Guide Online Support For more information on Intel Desktop Board DH55HC consult the following online resources: • Intel Desktop Board DH55HC http://www.intel.com/products/motherboard/DH55HC /index.htm • Desktop Board Support http://support.intel.com/support/motherboards/deskt op/DH55HC • Available configurations for Intel http://www.intel.com/products/motherboard/DH55HC Desktop Board DH55HC /index.htm • Supported processors http://processormatch.intel.
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Desktop Board Features Main Memory NOTE ® To be fully compliant with all applicable Intel SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your memory modules do not support SPD, you will see a notification to this effect on the screen at power up. The BIOS will attempt to configure the memory controller for normal operation. The board has four DIMM sockets and supports the following memory fea
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Intel Desktop Board DH55HC Product Guide High-Definition Multimedia Interface* (HDMI*) The HDMI port supports standard, enhanced, or high-definition video, plus multi- channel digital audio on a single cable. It is compatible with all ATSC and DVB HDTV standards and supports 8-channel digital audio. The maximum supported resolution is 1920 x 1200 at 60 Hz refresh (WUXGA). The HDMI port is compliant with the HDMI 1.3 specification. The HDMI port is enabled for the POST whenever a monito
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Desktop Board Features Audio Subsystem The board supports Intel High Definition Audio through a Realtek ALC888S audio codec as well as through the HDMI interface. The Realtek ALC888S-based audio subsystem provides the following features: • Advanced jack sense for the back panel audio connectors that enables the audio codec to recognize the device that is connected to an audio port. The back panel audio connectors are capable of retasking according to the user’s definition, or can be au
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Intel Desktop Board DH55HC Product Guide Figure 2. LAN Connector LEDs Table 3. LAN Connector LEDs LED LED Color LED State Indicates A (Link/Activity) Green Off LAN link is not established On LAN link is established Blinking LAN activity is occurring B (Link Speed) N/A Off 10 Mb/s data rate Green On 100 Mb/s data rate Yellow On 1000 Mb/s data rate USB 2.0 Support The board supports up to twelve USB 2.0 ports provided by two EHCI host controllers in the PCH that allow the use
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Desktop Board Features Expandability Intel Desktop Board DH55HC provides the following expansion capability: • One PCI Express 2.0 x16 port • Two PCI Express 2.0 x1 ports • Three PCI bus interfaces Legacy I/O The board’s Legacy I/O Controller provides the following legacy features: • One serial port header • One parallel port header with Extended Capabilities Port (ECP) and Enhanced Parallel Port (EPP) support • Serial IRQ interface compatible with serialized IRQ support for PCI C
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Intel Desktop Board DH55HC Product Guide Security Passwords The BIOS includes security features that restrict whether the BIOS Setup program can be accessed and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup and for booting the computer, with the following restrictions: • The supervisor password gives unrestricted access to view and change all Setup options. If only the supervisor password is set, pressing at the password pr
