Intel Desktop Board DH61HO Technical Product Specification
viii
2
Technical Reference
2.1
Memory Resources
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35
2.1.1
Addressable Memory
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35
2.1.2
Memory Map
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37
2.2
Connectors and Headers
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37
2.2.1
Back Panel Connectors
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38
2.2.2
Component-side Connectors and Headers
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39
2.3
BIOS Configuration Jumper Block
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47
2.4
Mechanical Considerations
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48
2.4.1
Form Factor
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48
2.5
Electrical Considerations
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49
2.5.1
Power Supply Considerations
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49
2.5.2
Fan Header Current Capability
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50
2.5.3
Add-in Board Considerations
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50
2.6
Thermal Considerations
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51
2.7
Reliability
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53
2.8
Environmental
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53
3
Overview of BIOS Features
3.1
Introduction
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55
3.2
System Management BIOS (SMBIOS)
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57
3.3
Legacy USB Support
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57
3.4
BIOS Updates
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58
3.4.1
Language Support
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58
3.4.2
Custom Splash Screen
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59
3.5
BIOS Recovery
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59
3.6
Boot Options
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60
3.6.1
Optical Drive Boot
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60
3.6.2
Network Boot
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60
3.6.3
Booting Without Attached Devices
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60
3.6.4
Changing the Default Boot Device During POST
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60
4
Error Messages and Beep Codes
4.1
Speaker
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61
4.2
BIOS Beep Codes
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61
4.3
Front-panel Power LED Blink Codes
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62
4.4
BIOS Error Messages
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62
4.5
Port 80h POST Codes
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63