Intel 82830M GMCH, 82854 GMCH Focus Port Driver Attributes, Silicon Image Port Driver Attributes

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4.2.2.1DAC setting with different TV Output Type on HH2

Currently there is a new video card named “Hominy Hill2” that uses the CX25899 as the TV encoder. There are four analog outputs on that card, which can be configured to different signals in order to adapt to the different TV Output Types. In video.reg, there are 4 parameters for analog output’s setting, “DACA, DACB, DACC, DACD”.

So if the parameter “TV Output” is set to 1 (Composite + S-Video), 2 (Composite) and 3 (S-Video), the DACs need to be set to:

“DACA”=dword:4

“DACB”=dword:3

“DACC”=dword:2

“DACD”=dword:1

Else if the parameter “TV Output” is set to 4 (Component) and 6 (Composite+RGB), the DACs need to be set to:

“DACA”=dword:3

“DACB”=dword:1

“DACC”=dword:2

“DACD”=dword:4

Option 6 of “TV Output” is for a special TV connector named “SCART I” which is very popular in European. This option is only available for the “Hominy Hill2” now since it can output four analog video signals at the same time.

The default DAC setting in video.reg is for “Lost Creek”(CX25892) when you select the "PortDrivers" as "cx873", so please modify this setting if the video card is changed among “Miller Creek”, “Lost Creek” and “Hominy Hill2”.

4.2.3Focus Port Driver Attributes

See the configuration file video.reg for information on the Focus port driver attributes. Look for details in the section entitled “Focus FS454 port attributes”. Contact Focus for more information on the Focus port driver.

4.2.4Silicon Image Port Driver Attributes

See the configuration file video.reg for information on the Silicon Image port driver attributes. Look for details in the section entitled “Silicon Image 9030 port attributes”.

22Intel® Digital Set Top Box Display Driver User’s Guide for Microsoft* Windows* CE 5.0

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Contents Intel Digital Set Top Box Display Driver Legal Statements Contents Hardware Limitations Revision History Date Driver DescriptionThis page intentionally left blank Definitions IntroductionDefinitions Base Features Feature SummaryGMCHs 2 830 and 854 Base Features Surface SupportDisplay Configuration TV Encoders Display Configuration NotesVBI Support Direct3D Mobile SupportDisplay Driver MSI Installation NotesInstalling the MSI 1 830 MSIDriver Files Registry OptionsDisplay Driver Options Configuration InformationDisplay Options AlphaBlendModeDWORD VRWorkaroundModeDWORDPort Driver TV Encoder DLL Options Memory Management Options BlendFilter Dword 4 2D Graphics OptionsSysToVidStretch Dword BlitSyncVBI DwordForceGRAY16 Dword GDI OptionsVideo Options MaxBackBuffers DwordDirect3D Mobile Options Port Driver TV Encoder DLL Attributes Port Driver Attribute Notes Conexant Port Driver AttributesFocus Port Driver Attributes Silicon Image Port Driver Attributes1 830 Default Configuration ConfigurationDefault Configuration 2 854 ConfigurationChanging the TV Output Type to Component Configuration ChangesChanging the TV Format to PAL-B Enabling 3D SupportHdmi Support Single, Shadow DVO Modes 830 Chipset Limitations Hardware Limitations854 Chipset Limitations Programming Interface WinCE Graphics Driver Escape InterfaceSummary of Supported Graphics Driver Escape Codes Icegdescapeenableport Input Data Structure Output Data StructureIcegdescapegetnumpdattributes Icegdescapegetavailpdattributes Icegdescapesetpdattributes IcegdescapegetavailpdattributesIcegdescapegetnumpdattributes Null Icegdescapesetovlcolorparams Icegdescapesetfbgammaramp Icegdescapegetmemstats Icegdescapegetmonitordesc Icegdescapevbienable Icegdescapevbidisable Icegdescapevbiupdate Sleep33 Disable vbi ExtEscape Hdc Icegdescapeinterruptinstall Icegdescapeinterruptuninstall Icegdescapesetvideoplanezorder Icegdescapesethwalphacompatmode Icegdescapedriverversion ICEGDESCAPEI2CCONFIG ICEGDESCAPEI2CACCESS Page This escape code is used to select a DVO port master/slave Icegdescapequeryhdmihotplug Icegdescapequeryhdmihotplug NullIcegdescapewaithdmihotplug Icegdescapewaithdmihotplug NullIcegdescapesetscaninfo

82830M GMCH, 82854 GMCH specifications

The Intel 82854 GMCH (Graphics Memory Controller Hub) and the Intel 82830M GMCH are integral components in the architecture of Intel's mobile chipsets, designed to enhance performance and efficiency in laptop and portable computing environments. These chipsets play a crucial role in managing the interactions between the CPU, memory, and graphics, thus impacting overall system performance.

The Intel 82854 GMCH, launched as part of the 855 chipset family, primarily targets mobile laptops and portable devices. A key feature of the 82854 is its support for DDR SDRAM, which improves memory bandwidth and enhances data transfer rates. This chipset is also notable for its integration of graphics capabilities through Intel Graphics Media Accelerator 900. This integration allows for better power management and reduced physical space requirements, making it suitable for compact laptop designs.

Another significant characteristic of the 82854 GMCH is its support for Intel SpeedStep technology, which optimizes power consumption by dynamically adjusting the processor voltage and frequency according to the workload. This capability is essential for prolonging battery life in portable systems without compromising performance during demanding tasks. The chipset also includes support for up to 2GB of memory, catering to the requirements of most mobile applications at the time of its release.

The Intel 82830M GMCH, on the other hand, was part of the 855PM chipset family and is targeted primarily at mainstream laptops. It offers similar features in terms of integrated graphics with the Intel Graphics Media Accelerator. However, it also extends support for advanced features such as the 533 MHz front-side bus, which facilitates quicker data transfer between the CPU and memory.

Key technologies associated with the 82830M GMCH include the Enhanced Intel SpeedStep Technology, which further enhances power management capabilities beyond earlier iterations. By incorporating this technology, the chipset maximizes energy efficiency during various operational states, ensuring that users enjoy longer battery life without sacrificing system performance.

Both chipsets support PCI Express connectivity, providing a pathway for high-speed communication with other peripherals, improving overall system responsiveness. The integration of these technologies into the 82854 and 82830M GMCH models has made them integral to the development of mobile computing, allowing for powerful yet efficient laptop designs that meet the needs of users on the go.

In summary, the Intel 82854 GMCH and 82830M GMCH are foundational components that showcase Intel's commitment to enhancing mobile computing through robust memory and graphics management, advanced power-saving technologies, and seamless integration with modern peripherals. Their influence extends through the generations of mobile devices, reflecting the ongoing innovations within Intel's chipset developments.
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