Intel D945GCNL Product Guide - Page 14

Intel Desktop Board D945GCNL Product Guide NOTE Regardless of the DIMM type used, the memory frequency will either be equal to or less than the processor system bus frequency. For example, if DDR2 533 memory is used with an 800 MHz system bus frequency processor, the memory will operate at 533 MHz. Related Links: Go to the following links or pages for more information about: • SDRAM specifications, http://www.intel.com/technology/memory/ • Installing memory, page 32 in Chapter 2 Intel® 945GC Express Chipset The Intel 945GC Express Chipset consists of the following devices: • Intel 82945GC Express Chipset Graphics and Memory Controller Hub (GMCH) • Intel 82801GB I/O Controller Hub (ICH7) The Intel 945GC Express Chipset contains two separate, mutually exclusive graphics options. Either the integrated Intel GMA 950 graphics controller is used or a PCI Express x16 add-in card can be used. When a PCI Express x16 add-in card is installed, the Intel GMA 950 graphics controller is disabled. Related Link: Go to the following link for more information about the Intel 945GC Express Chipset: http://www.intel.com/products/desktop/chipsets/index.htm?iid=chips_body+desk Onboard Audio Subsystem Desktop Board D945GCNL has a flexible 6-channel (5.1) onboard audio subsystem that includes a Realtek ALC888 audio codec. The audio subsystem features: • Intel High Definition Audio interface • Advanced jack sense, for the back panel connectors, that enables the audio codec to recognize the device that is connected to an audio port and retask the connector via the audio driver. • S/N (signal-to-noise) ratio: 95 dB • Microphone input supporting: ― Stereo microphone ― Microphone boost The subsystem includes the following connectors: • Front panel audio connector, including functionality for: ― Line out ― Microphone in 14