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Intel DH55TC DH55TC Technical Product Specification - Page 40

Table 9., Component-side Connectors and Headers Shown - processor support

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Intel Desktop Board DH55TC 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 Description PCI Conventional bus add-in card connector PCI Express x1 bus add-in card connector PCI Express x1 bus add-in card connector PCI Express x16 bus add-in card connector 12 V internal power connector (ATX12V) Rear chassis fan header Processor fan header Front chassis fan header Main power connector (2 x 12) SATA connectors Alternate front panel power LED header Front panel header M USB header with support for an Intel Z-U130 USB Solid-State Drive (or compatible device) N USB headers (2) O Parallel port header P Serial port header Q S/PDIF header R Front panel audio header S Internal mono speaker header 40

Section	Page
Intel® Desktop Board DH55TC Technical Product Specification	1
Revision History	2
Preface	3
Intended Audience	3
What This Document Contains	3
Typographical Conventions	3
Contents	5
1 Product Description	9
1.1 Overview	9
1.1.1 Feature Summary	9
1.1.2 Board Layout	11
1.1.3 Block Diagram	13
1.2 Legacy Considerations	14
1.3 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 Port	20
1.10.2 Parallel Port	21
1.11 Audio Subsystem	21
1.11.1 Audio Subsystem Software	21
1.11.2 Audio Connectors and Headers	21
1.12 LAN Subsystem	23
1.12.1 Intel® 82578DC Gigabit Ethernet Controller	23
1.12.2 LAN Subsystem Software	23
1.12.3 RJ-45 LAN Connector with Integrated LEDs	24
1.13 Real-Time Clock Subsystem	25
1.14 Hardware Management Subsystem	25
1.14.1 Hardware Monitoring and Fan Control	25
1.14.2 Fan Monitoring	25
1.14.3 Thermal Monitoring	26
1.15 Power Management	27
1.15.1 ACPI	27
1.15.2 Hardware Support	30
1.15.3 ENERGY STAR* 5.0, e-Standby, and ErP Compliance	34
2 Technical Reference	35
2.1 Memory Resources	35
2.1.1 Addressable Memory	35
2.1.2 Memory Map	37
2.2 Connectors and Headers	37
2.2.1 Back Panel Connectors	38
2.2.2 Component-side Connectors and Headers	39
2.3 Jumper Block	49
2.4 Mechanical Considerations	51
2.4.1 Form Factor	51
2.5 Electrical Considerations	52
2.5.1 Power Supply Considerations	52
2.5.2 Fan Header Current Capability	53
2.5.3 Add-in Board Considerations	53
2.6 Thermal Considerations	54
2.7 Reliability	57
2.8 Environmental	57
3 Overview of BIOS Features	59
3.1 Introduction	59
3.2 System Management BIOS (SMBIOS)	61
3.3 Legacy USB Support	61
3.4 BIOS Updates	62
3.4.1 Language Support	62
3.4.2 Custom Splash Screen	63
3.5 BIOS Recovery	63
3.6 Boot Options	64
3.6.1 Optical 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	67
4.1 Speaker	67
4.2 BIOS Beep Codes	67
4.3 Front-panel Power LED Blink Codes	68
4.4 BIOS Error Messages	68
4.5 Port 80h POST Codes	69
5 Regulatory Compliance and Battery Disposal Information	75
5.1 Regulatory Compliance	75
5.1.1 Safety Standards	75
5.1.2 European Union Declaration of Conformity Statement	76
5.1.3 Product Ecology Statements	77
5.1.4 EMC Regulations	81
5.1.5 Product Certification Markings (Board Level)	82