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Intel
®
Embedded Media and Graphics Driver
April 2013 User Guide
Document Number: 472133-012 49
Platform Configuration Using CED—Intel
®
EMGD
3.12.2 User-Specified DTDs
CED provides the ability to input DTD data directly. There are numerous sources of DTD
data: VESA, panel manufacturers, etc. See Creating a New Customized DTD for more
information.
3.13 Using an External PCIe Graphics Adapter as the Secondary
Device on Windows* 7 and Windows* Embedded Standard 7
You can configure an external PCIe card to work with the Intel
®
EMGD as follows:
• The external PCIe card as the secondary graphics adapter and the GMCH internal
graphics device as the primary.
Note: When using an ATI card, first install the ATI driver and do not reboot the machine.
Reboot after installing Intel
®
EMGD.
Intel
®
EMGD lets you specify which display is primary, secondary, and tertiary. It allows
Extended and Clone configurations on the internal graphics device when the external
PCIe device is the secondary graphics adapter.
An external PCIe graphics driver runs independently without sharing resources with
Intel
®
EMGD.
Figure 18 shows the interaction between Intel
®
EMGD and the External VGA driver
when Intel
®
EMGD is booted as the primary driver. The drivers do not share hardware
resources. The OS decides the framebuffer content and handles it by drawing to the
respective driver independently.
Figure 19 shows a sample configuration where the internal graphics device is primary
and configured to use two ports to drive two displays while an external PCIe graphics
adapter is used to drive a tertiary display. Note that regardless of the number of ports
being assigned to a driver, the external PCIe graphics run independently without
sharing resources with Intel
®
EMGD.
Figure 18. Intel
®
EMGD as Primary Driver and External PCIe Graphics Card as Secondary
Driver
Secondary
Ext VGA Port
VGA Driver
OS-Handles Graphics Driver Requests
Ext VGA
Resource Allocation
(Ext Video)
Primary
Configured Port
Intel
®
EMGD
Driver
Intel
®
EMGD
Resource Allocation
(Stolen Memory)
- Embedded Media and Graphics 1
- Driver v1.18 (Windows* 7 and 1
- Windows* Embedded Standard 7 1
- Release) 1
- 2 Document Number: 472133-012 2
- Contents 3
- Revision History 7
- 1.0 Introduction 8
- 1.2 Intended Audience 9
- 1.3 Related Documents 9
- 1.4 Conventions 10
- 1.5 Acronyms and Terminology 10
- 1.6 Downloading Intel 13
- EMGD and Video BIOS 13
- 2.0 Architectural Overview 14
- 2.1.1 Display Options 15
- 2.1.1.1 Types of Displays 16
- 2.1.1.2 Display Configuration 16
- 2.2.2 OS and API Support 17
- 2.2.3 EDID-Less Configuration 17
- 2.2.4 Rotation 17
- 3.1 Before You Begin 18
- 3.3 Starting CED 20
- Table 6. Intel 22
- 3.5.2 Configuring Ports 27
- 3.5.2.2 Changing I2C Settings 30
- Figure 11. I2C Settings Page 31
- Table 11. I2C Settings 31
- 3.6 Creating a New Package 36
- IEMGD_HEAD_WINDOWS7 38
- 3.9 System BIOS Settings 39
- Custom Modes 42
- 3.11 Configuration Options 43
- 3.12.2 User-Specified DTDs 49
- 3.14 Panning Modes DTDs 50
- 3.16 Hot Plug Support 52
- HotPlugDelay timing to suit 54
- 4.0 Video Firmware 55
- 4.3.2.1 COMMON_TO_PORT 57
- 4.3.3 Building the VBIOS 59
- 5.2 Configuration Information 66
- 5.3 Installing Intel 79
- \IEMGD_HEAD_Windows7 80
- Processor E6xx Platform 84
- 5.5 Run-Time Operation 87
- Microsoft Windows 87
- Video Format 91
- Entry Point 91
- Note: Intel 92
- Example: 93
- .mp4) and the save location 94
- 5.9 Diagnostic Tool 95
- Enable “Port Hot” Key: 96
- Other potential DWORD values: 96
- A.2 Port Driver Attributes 98
- A.2.2.4 HDCP 100
- A.2.2.1 Audio 100
- A.2.2.2 sDVO-HDMI (CH7315) 100
- A.2.2.3 Internal HDMI 100
- Format” on page 43 101
- A.3.1 Default Search Order 104
- Appendix B 2D/3D API Support 105
- Table 32. Supported Intel 106
- OpenGL APIs (Sheet 2 of 3) 106
- OpenGL APIs (Sheet 3 of 3) 107
- EMGD—2D/3D API Support 108
- Appendix C Intel 109
- C.1.2 5F05h – Refresh Rate 110
- Calling Register: 111
- Return Registers: 111
- Calling Registers: 111
- User Guide April 2013 112
- April 2013 User Guide 113
- C.2 Hooks for the System BIOS 114
- C.2.6 5F40h – Config ID Hook 117
- E.1 Introduction 131
- E.4 Scope 131
- E.5 Features 132
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