Intel DH55HC Intel Desktop Board DH55HC Technical Product Specification
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- Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 1
January 2010 Order Number: E82983-001US The Intel® Desktop Board DH55HC may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current characterized errata are documented in the Intel Desktop Board DH55HC Specification Update. - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 2
® Desktop Board DH55HC Technical Product Specification Date January 2010 This product specification applies to only the standard Intel® Desktop Board DH55HC with BIOS identifier TCIBX10H.86A. Changes to this specification will be published in the Intel Desktop Board DH55HC Specification Update - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 3
of the hardware used on the Intel Desktop Board DH55HC A map of the resources of the Intel Desktop Board The features supported by the BIOS Setup program A description of the BIOS error messages, beep codes, and POST codes Regulatory compliance and battery disposal information Typographical - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 4
Intel Desktop Board DH55HC Technical Product Specification Other Common Notation # GB GB/s Gb/s KB Kbit kbits/s MB MB second Kilobyte (1024 bytes) Kilobit (1024 bits) 1000 bits per second Megabyte (1,048,576 bytes) Megabytes per second Megabit (1,048,576 bits) Megabits per second An address or data - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 5
Online Support 14 1.4 Processor 14 1.5 Intel® H55 Express Chipset 15 1.6 System Memory 15 1.6.1 Memory Configurations 16 1.7 Graphics Subsystem 18 1.7.1 Integrated Graphics 18 1.7.2 PCI Express x16 Graphics 19 1.8 USB 19 1.9 SATA Interfaces 20 1.10 Legacy I/O Controller 20 1.10.1 Serial - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 6
Drive Boot 64 3.6.2 Network Boot 64 3.6.3 Booting Without Attached Devices 64 3.6.4 Changing the Default Boot Device During POST 64 3.7 BIOS Security Features 65 4 Error Messages and Beep Codes 4.1 Speaker 67 4.2 BIOS Beep Codes 67 4.3 Front-panel Power LED Blink Codes 68 4.4 BIOS Error - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 7
Diagram for Front Panel USB Header (with Intel Z-U130 USB Solid-State Drive, or Compatible Device, Support 48 14. Location of the Jumper Block 49 15. Board Dimensions 51 16. Localized High Temperature Zones 55 Tables 1. Feature Summary 9 2. Components Shown in Figure 1 12 3. Supported Memory - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 8
Intel Desktop Board DH55HC Technical Product Specification 26. States for a One-Color Power LED 47 27. Auxiliary Front Panel Power LED Header 47 28. BIOS Setup Configuration Jumper Settings 50 29. Recommended Power Supply Current Values 52 30. Fan Header Current Capability 53 31. Thermal - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 9
the board. Table 1. Feature Summary Form Factor Processor Chipset Memory Graphics Audio Peripheral Interfaces BIOS ATX (9.60 inches by 11.60 inches [243.84 millimeters by 294.64 millimeters]) • Intel® Core™ i7, Intel® Core™ i5, Intel® Core™ i3, and Intel® Pentium® processors in an LGA1156 socket - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 10
Intel Desktop Board DH55HC Technical Product Specification Table 1. Feature Summary (continued) Instantly Available PC Technology • Support for PCI* Local Bus Specification Revision 2.3 • Support for PCI Express* • Suspend to RAM support • Wake on PCI, PCI Express, LAN, front panel, PS/2, serial - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 11
Product Description 1.1.2 Board Layout Figure 1 shows the location of the major components on Intel Desktop Board DH55HC. Figure 1. Major Board Components Table 2 lists the components identified in Figure 1. 11 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 12
Assist header S SATA connectors T BIOS setup configuration jumper block U Alternate front panel power LED header V Front panel header W Standby power LED X Front panel USB headers (2) Y Front panel USB header with support for an Intel Z-U130 USB Solid-State Drive (or compatible device - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 13
Product Description 1.1.3 Block Diagram Figure 2 is a block diagram of the major functional areas of the board. Figure 2. Block Diagram 13 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 14
... Intel Desktop Board DH55HC Desktop Board Support Available configurations for the Intel Desktop Board DH55HC Supported processors Chipset information BIOS and driver updates Tested memory Integration information Visit this World Wide Web site: http://www.intel.com/products/motherboard/DH55HC - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 15
USB, SATA, LPC, audio, network, display, Conventional PCI, and PCI Express x1 interfaces. The PCH is a centralized controller for the board's I/O paths. For information about The Intel H55 Express Chipset Resources used by the chipset Refer to http://www.intel.com/products/desktop/chipsets/index - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 16
Intel Desktop Board DH55HC Technical Product Specification For information about... Tested Memory Refer to: http://www.intel.com/support/motherboards/desktop/sb/CS025414.htm 1.6.1 Memory Configurations The Intel Core i7, Intel Core i5, Intel Core i3, and Intel Pentium processors support the - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 17
Figure 3 illustrates the memory channel and DIMM configuration. Figure 3. Memory Channel and DIMM Configuration NOTE When using a processor without Intel Graphics Technology: there must always be memory installed into any or both of the DIMM 0 (blue) memory slots for the system to boot. 17 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 18
Intel Desktop Board DH55HC Technical Product Specification 1.7 Graphics Subsystem The board supports system graphics through either Intel Graphics Technology or a PCI Express 2.0 x16 add-in graphics card. 1.7.1 Integrated Graphics The board supports integrated graphics through the Intel® Flexible - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 19
1.0 specification. The DVI-D port is only enabled for POST when there are no monitors attached to the VGA or HDMI connectors. 1.7.2 PCI Express x16 Graphics The Intel Core i7, Intel Core i5, Intel Core i3, and Intel Pentium processors in an LGA1156 socket support discrete add in graphics cards via - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 20
Intel Desktop Board DH55HC Technical Product Specification 1.9 SATA Interfaces The board provides six internal SATA connectors through the PCH, four for internal storage (black connectors) and two for internal as well as external SATA/eSATA connectivity (red connectors). The PCH provides - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 21
type. • Stereo input and output via back panel jacks • Headphone and Mic in functions for front panel audio jacks • A signal-to-noise (S/N) ratio of 90 dB 1.11.1 Audio Subsystem Software Audio software and drivers are available from Intel's World Wide Web site. For information about Obtaining - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 22
Intel Desktop Board DH55HC Technical Product Specification 1.11.2.1 Analog Audio Connectivity The available configurable back panel audio connectors are shown in Figure 4. Item A B C Description Audio line in Audio line out Mic in Figure 4. Back Panel Audio Connector Options The back panel audio - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 23
LEDs For information about LAN software and drivers Refer to http://downloadcenter.intel.com 1.12.1 Intel® 82578DC Gigabit Ethernet Controller The Intel 82578DC Gigabit Ethernet Controller supports the following features: • 10/100/1000 BASE-T IEEE 802.3 compliant • PCI Express link • Compliant to - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 24
Intel Desktop Board DH55HC Technical Product Specification 1.12.3 RJ-45 LAN Connector with Integrated LEDs Two LEDs are built into the RJ-45 LAN connector (shown in Figure 5). Item A B Description Link/Activity LED (green) Link Speed LED (green/yellow) Figure 5. LAN Connector LED Locations Table - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 25
features of the hardware monitoring and fan control include: • Intel Quiet System Technology, delivering acoustically-optimized thermal management • Thermal sensors in the processor and PCH, as well as near the CPU voltage regulators and system memory • Monitoring of five system voltages (+5 V, +12 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 26
Intel Desktop Board DH55HC Technical Product Specification 1.14.3 Chassis Intrusion and Detection The board supports a chassis security . For information about The location of the chassis intrusion header Refer to Figure 10, page 39 1.14.4 Thermal Monitoring Figure 6 shows the locations of the - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 27
that provides full ACPI support. ACPI features include: • Plug and Play (including bus and device enumeration) • Power management control of individual devices, add-in boards (some add-in boards may require an ACPI-aware driver), video displays, and hard disk drives • Methods for achieving less - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 28
Intel Desktop Board DH55HC Technical Product Specification 1.15.1.1 Processor stopped C1 - stop grant D1, D2, D3 - device specification specific. 5 W < power < 52.5 W G1 - sleeping state G1 - sleeping state S3 - Suspend to RAM. Context saved to RAM. S4 - Suspend to disk. Context saved to disk - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 29
events that can wake the computer from specific states. Table 7. Wake-up Devices and Events These devices/events can wake up the computer... Power switch RTC alarm LAN USB PME# signal WAKE# signal PS/2 Serial Notes: • S4 implies operating system support only. • USB ports are turned off during S4/S5 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 30
Intel Desktop Board DH55HC Technical Product Specification 1.15.2 Hardware Support CAUTION Ensure that the power supply provides adequate +5 V standby current if LAN set using the Last Power State feature in the BIOS Setup program's Boot menu. For information about The location of the main power - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 31
Modulation • The front fan and rear fan headers also support linear fan control on 3-wire fans For information about The location of the fan headers The location of the fan headers and sensors for thermal monitoring Refer to Figure 10, page 39 Figure 6, page 26 1.15.2.3 LAN Wake Capabilities - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 32
boards that also support this specification can participate in power management and can be used to wake the computer. The use of Instantly Available PC technology requires operating system support and PCI 2.3 compliant add-in cards, PCI Express add-in cards, and drivers. 1.15.2.5 Wake from USB USB - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 33
Serial port activity wakes the computer from an ACPI S1 or S3 state. 1.15.2.10 +5 V Standby Power Indicator LED The +5 V standby power indicator LED shows that cord before installing or removing any devices connected to the board. Failure to do so could damage the board and any attached devices. 33 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 34
the US Environmental Protection Agency have continually revised the ENERGY STAR requirements. Intel has worked directly with these two governmental agencies in the definition of new requirements. Intel Desktop Board DH55HC meets the following program requirements in an adequate system configuration - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 35
the address space that is allocated for PCI Conventional bus add-in cards, PCI Express configuration space, BIOS (SPI Flash device), and chipset overhead resides above the top of DRAM (total system memory). On a system that has 16 GB of system memory installed, it is not possible to use all - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 36
Intel Desktop Board DH55HC Technical Product Specification Figure 8. Detailed System Memory Address Map 36 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 37
on video adapter used. Video memory and BIOS Extended BIOS data (movable by memory manager software) Extended conventional memory Conventional memory 2.2 Connectors and Headers CAUTION Only the following connectors and headers have overcurrent protection: back panel and front panel USB and - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 38
Intel Desktop Board DH55HC Technical Product Specification 2.2.1 Back Panel Connectors Figure 9 shows the location of the back panel connectors for the board. Item A B C D E F G H I J K Description PS/2 keyboard/mouse port USB ports VGA port DVI-D connector HDMI connector USB ports LAN USB ports - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 39
Technical Reference 2.2.2 Component-side Connectors and Headers Figure 10 shows the locations of the component-side connectors and headers. Figure 10. Component-side Connectors and Headers Table 9 lists the component-side connectors and headers identified in Figure 10. 39 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 40
Intel Desktop Board DH55HC Technical Product Specification Table 9. Component-side Connectors and Headers Shown in Figure 10 Item/callout from Figure 10 A B C D E F G H I J K L M N O P Description PCI Conventional bus add-in card connector PCI Conventional bus add PCI Conventional bus add PCI - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 41
5 Ground 7 RTS (Request To Send) 9 RI (Ring Indicator) Pin 2 4 6 8 10 Signal Name RXD# (Receive Data) DTR (Data Terminal Ready) DSR (Data Set Ready) CTS ( (no pin) EPP Signal Name WRITE# DATASTB# PD0 FAULT# PD1 RESET# PD2 ADDRSTB# PD3 GROUND PD4 GROUND PD5 GROUND PD6 GROUND PD7 GROUND INTR - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 42
Intel Desktop Board DH55HC Technical Product Specification Table 12. S/PDIF Header Pin Signal Name 1 Ground 2 S/PDIF out 3 Key (no pin) 3 +5V_DC Table 13. Internal Mono Speaker Header Pin Signal Name 1 − 2 + Table 14. Front Panel Audio Header for Intel HD Audio Pin Signal Name - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 43
Reference Table 17. Front Panel USB Header (with Intel Z-U130 USB Solid-State Drive, or Compatible Device, Support) Pin Signal Name Pin Signal Name 1 +5 VDC 3 D− 5 D+ 7 Ground 9 KEY (no pin) 2 +5 VDC 4 D− 6 D+ 8 Ground 10 LED# Table 18. SATA Connectors Pin Signal Name - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 44
Intel Desktop Board DH55HC Technical Product Specification Table 22. Intel Remote PC Assist Technology Header Pin Signal Name 1 RPAT# 2 Ground 2.2.2.2 Add-in Card Connectors The board has the following add-in card connectors: • One PCI Express 2.0 x16: this connector supports simultaneous - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 45
Name +3.3 V −12 V Ground PS-ON# (power supply remote on/off) Ground Ground Ground −5 V (obsolete) +5 V +5 V +5 V (Note) Ground (Note) Note: When using a 2 x 10 power supply cable, this pin will be unconnected. For information about Power supply considerations Refer to Section 2.5.1 on page 52 45 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 46
Intel Desktop Board DH55HC Technical Product Specification 2.2.2.4 Front Panel Header This section describes the functions of the front panel header. Table 25 lists the signal names of the front panel header. Figure 11 is a connection diagram for the front panel header. Table 25. Front Panel - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 47
SPST) type switch that is normally open. When the switch is closed, the board resets and runs the POST. 2.2.2.4.3 Power LED Header Pins 2 and 4 can be the board.) At least two seconds must pass before the power supply will recognize another on/off signal. 2.2.2.5 Auxiliary Front Panel Power LED - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 48
Intel Desktop Board DH55HC Technical Product Specification 2.2.2.6 Front Panel USB Headers Figure 12 is a connection diagram for the front panel USB headers. NOTE • The +5 V DC power on the USB headers is fused. • Use only a front panel USB connector that conforms to the USB 2.0 specification for - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 49
and unplug the power cord from the computer before changing a jumper setting. Otherwise, the board could be damaged. Figure 14 shows the location of the jumper block. The 3-pin jumper block determines the BIOS Setup program's mode. Table 28 describes the jumper settings for the three modes: normal - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 50
Intel Desktop Board DH55HC Technical Product Specification Table 28. BIOS Setup Configuration Jumper Settings Function/Mode Normal Jumper Setting 1-2 Configuration The BIOS uses current configuration information and passwords for booting. Configure 2-3 Recovery None After the POST runs, - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 51
form-factor chassis. Figure 15 illustrates the mechanical form factor for the board. Dimensions are given in inches [millimeters]. The outer dimensions are 9.60 inches by 11.60 inches [243.84 millimeters by 294.64 millimeters]. Location of the I/O connectors and mounting holes are in compliance with - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 52
Intel Desktop Board DH55HC Technical Product Specification 2.5 Electrical Considerations 2.5.1 Power supported 95 W processor (see Section 1.4 on page 14 for information on supported processors), up to 16 GB DDR3 memory, integrated graphics, one hard disk drive, one optical drive, and all board - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 53
Processor fan Front chassis fan Rear chassis fan 2.0 A 1.5 A 1.5 A 2.5.3 Add-in Board Considerations The board is designed to provide 2 A (average) of current for each add-in board from the +5 V rail. The total +5 V current draw for add-in boards for a fully loaded board (all expansion slots - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 54
Intel Desktop Board DH55HC Technical Product Specification 2.6 Thermal Considerations CAUTION Use of a processor heat sink that provides omni-directional airflow to maintain required airflow across the processor Intel makes no warranties or representations that merely following the instructions - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 55
when considering proper airflow to cool the board. Table 31. Thermal Considerations for Components Component Maximum Case Temperature Processor For processor case temperature, see processor datasheets and processor specification updates Intel H55 Express Chipset 111 oC (under bias) 55 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 56
Intel Desktop Board DH55HC Technical Product Specification in the system BIOS is a value Processor For processor case temperature, see processor datasheets and processor specification updates Intel H55 Express Chipset 107 oC For information about Processor datasheets and specification updates - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 57
the board. Table 33. Environmental Specifications Parameter Temperature Non-Operating Operating Shock Unpackaged Packaged Vibration Unpackaged Specification -40 °C to +60 °C 0 °C to +40 °C 50 g trapezoidal waveform Velocity change of 170 inches/second² Drop Product Weight (pounds) Free Fall - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 58
Intel Desktop Board DH55HC Technical Product Specification 58 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 59
board uses an Intel BIOS that is stored in a 64 Mbit (8,192 KB) Serial Peripheral Interface Flash Memory (SPI Flash) device which can be updated using a set of utilities. The SPI Flash contains the BIOS Setup program, POST, LAN EEPROM information, Plug and Play support, and other firmware. The BIOS - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 60
Intel Desktop Board DH55HC Technical Product Specification Table 34 lists the BIOS Setup program menu features. Table 34. BIOS Setup Program Menu Bar Maintenance Main Advanced Performance Security Clears passwords and displays processor information Displays processor and memory configuration - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 61
BIOS page. 3.3 Legacy USB Support Legacy USB support enables USB devices to be used even when the operating system's USB drivers are not yet available. Legacy USB support is used to access the BIOS Setup program, and to install an operating system that supports USB. By default, Legacy USB support - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 62
updated BIOS matches the target system to prevent accidentally installing an incompatible BIOS. NOTE Review the instructions distributed with the upgrade utility before attempting a BIOS update. For information about BIOS update utilities Refer to http://www.intel.com/support/motherboards/desktop - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 63
Drive, for example) Yes USB diskette drive (with a 1.44 MB diskette) No USB hard disk drive No Legacy diskette drive (with a 1.44 MB diskette) connected to the No legacy diskette drive interface For information about BIOS recovery Refer to http://www.intel.com/support/motherboards/desktop - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 64
Intel Desktop Board DH55HC Technical Product Specification 3.6 Boot Options In the BIOS Setup program, the user can choose to boot from a hard drive, optical drive, removable drive, or the network. The default setting is for the optical drive to be the first boot device, the hard drive second, - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 65
includes security features that restrict access to the BIOS Setup program and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup program and for booting the computer, with the following restrictions: • The supervisor password gives unrestricted access - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 66
Intel Desktop Board DH55HC Technical Product Specification 66 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 67
speaker to beep an error message describing the problem (see Table 39). Table 39. BIOS Beep Codes Type Pattern F2 Setup/F10 Boot Menu One 0.5 second beep when BIOS is ready to Prompt accept keyboard input BIOS update in progress None Video error (no add-in graphics card installed) On-off - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 68
Intel Desktop Board DH55HC Technical Product Specification 4.3 Front-panel Power LED Blink Codes Whenever a recoverable error occurs during POST, the BIOS causes the board's front panel power LED to blink an error message describing the problem (see Table 40). Table 40. Front-panel Power LED - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 69
any PEIM/driver for debug. 10 - 1F Host Processors: 1F is an unrecoverable CPU error. 20 - 2F Memory/Chipset: 2F is no memory detected or no useful memory detected. 30 - 3F Recovery: 3F indicated recovery failure. 40 - 4F Reserved for future use. 50 - 5F I/O Busses: PCI, USB, ATA, etc. 5F - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 70
Intel Desktop Board DH55HC Technical Product Specification Table 43. Port 80h POST Codes POST Code Description of POST Operation Host Processor 10 Power-on initialization of the host processor (Boot Strap Processor) 11 Host processor cache initialization (including APs) 12 Starting - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 71
and Beep Codes Table 43. Port 80h POST Codes (continued) POST Code Description of POST Operation Keyboard (USB) 90 Resetting keyboard 91 Disabling keyboard 92 Detecting presence of keyboard 93 Enabling the keyboard 94 Clearing keyboard input buffer 95 Instructing keyboard controller - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 72
Intel Desktop Board DH55HC Technical Product Specification Table 43. Port 80h POST Codes (continued) POST Code Description of POST Operation DXE Drivers E7 Waiting for user input E8 Checking password E9 Entering BIOS setup EB Calling Legacy Option ROMs Runtime Phase/EFI OS Boot F4 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 73
Error Messages and Beep Codes Table 44. Typical Port 80h POST Sequence POST Code Description 21 Initializing a chipset component 22 Reading SPD from memory DIMMs 23 Detecting presence of memory DIMMs 25 Configuring memory 28 Testing memory 34 Loading recovery capsule E4 Entered DXE - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 74
Intel Desktop Board DH55HC Technical Product Specification 74 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 75
statement • Product Ecology statements • Electromagnetic Compatibility (EMC) standards • Product certification markings 5.1.1 Safety Standards Intel Desktop Board DH55HC complies with the safety standards stated in Table 45 when correctly installed in a compatible host system. Table 45. Safety - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 76
Intel Desktop Board DH55HC Technical Product Specification 5.1.2 European Union Declaration of Conformity Statement We, Intel Corporation, declare under our sole responsibility that the product Intel® Desktop Board DH55HC is in conformity with all applicable essential requirements necessary for - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 77
of this program, including the scope of covered products, available locations, shipping instructions, terms and conditions, etc Intel Product Recycling Program http://www.intel.com/intel/other/ehs/product_ecology Deutsch Als Teil von Intels Engagement für den Umweltschutz hat das Unternehmen das - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 78
Intel Desktop Board DH55HC Technical Product Specification Español Como parte de su compromiso de responsabilidad medioambiental, Intel ha implantado el programa de reciclaje de productos Intel, que permite que los consumidores al detalle de los productos Intel devuelvan los productos usados en los - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 79
kayıtlar ve şartlar v.s dahil bütün ayrıntılarını ögrenmek için lütfen http://www.intel.com/intel/other/ehs/product_ecology Web sayfasına gidin. 5.1.3.3 Lead Free Desktop Board This Intel Desktop Board is a European Union Restriction of Hazardous Substances (EU RoHS Directive 2002/95/EC) compliant - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 80
Intel Desktop Board DH55HC Technical Product Specification Table 46. Lead-Free Board Markings Description Lead-Free 2nd Level Interconnect: This symbol is used to identify electrical and electronic assemblies and components in which the lead (Pb) concentration level in the desktop board substrate - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 81
Regulatory Compliance and Battery Disposal Information 5.1.4 EMC Regulations Intel Desktop Board DH55HC complies with the EMC regulations stated in Table 47 when correctly installed in a compatible host system. Table 47. EMC Regulations Regulation Title FCC 47 CFR Part 15, Subpart B ICES-003 - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 82
and New Zealand Radio Spectrum Management (NZ RSM) C-tick mark. Includes adjacent Intel supplier code number, N-232. Japan VCCI (Voluntary Control Council for Interference) mark. S. Korea KCC (Korean Communications Commission) mark. Includes adjacent KCC certification number: CPU-DH55HC (B) Taiwan - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 83
Regulatory Compliance and Battery Disposal Information 5.2 Battery Disposal Information CAUTION Risk of explosion if the battery is replaced with an incorrect type. Batteries should be recycled where possible. Disposal of used batteries must be in accordance with local environmental regulations. - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 84
Intel Desktop Board DH55HC Technical Product Specification PRECAUCIÓN Existe peligro de explosión si la pila no se cambia de forma adecuada. Utilice solamente pilas iguales o del mismo tipo que las recomendadas por - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 85
Regulatory Compliance and Battery Disposal Information AWAS Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri sepatutnya dikitar semula jika boleh. Pelupusan bateri terpakai mestilah mematuhi peraturan alam sekitar tempatan. OSTRZEŻENIE Istnieje niebezpieczeństwo - Intel DH55HC | Intel Desktop Board DH55HC Technical Product Specification - Page 86
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Intel® Desktop Board
DH55HC
Technical Product Specification
January 2010
Order Number:
E82983-001US
The Intel
®
Desktop Board DH55HC may contain design defects or errors known as errata that may cause the product to deviate from published
specifications.
Current characterized errata are documented in the Intel Desktop Board DH55HC Specification Update.