Intel DP55KG Product Guide - Page 16
Intel® P55 Express Chipset, Audio Subsystem, LAN Subsystem
UPC - 735858205979
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Intel Desktop Board DP55KG Product Guide Intel® P55 Express Chipset The Intel P55 Express Chipset consists of the Intel P55 Platform Controller Hub (PCH). The PCH is the centralized controller for the board's I/O paths. Audio Subsystem The onboard audio subsystem consists of the following components: • Intel® P55 PCH • Realtek ALC889 codec The subsystem has the following headers and connectors: • Back panel audio connectors, including S/PDIF in and out optical ports • High Definition Audio front panel header that provides mic in and line out signals for front panel audio connectors • An onboard S/PDIF header The audio subsystem supports the following features: • Dolby* Home Theater certification • A signal-to-noise (S/N) ratio of 95 dB • Independent multi-streaming 8-channel (7.1) audio (using the back panel audio connectors) and 2-channel audio (using the High Definition Audio front panel header) LAN Subsystem The LAN subsystem includes: • Intel PCH • Intel 82578DM Gigabit (10/100/1000 Mb/s) Ethernet LAN controller • RJ-45 LAN connector with integrated status LEDs The subsystem features: • CSMA/CD protocol engine • LAN connect interface between PCH and the LAN controller • PCI bus power management Two LEDs are built into the RJ-45 LAN connector located on the back panel (see Figure 2). These LEDs indicate the status of the LAN as shown in Table 3. 16