4-12 System BoardIntegrated AudioTo support multimedia applications, an AC97 Codec audio chip is integrated on the systemboard. The chip provides 16-bit stereo, Sound Blaster Pro Æ-compatible audio.The sound system provides all the digital and analog mixing functions required for playing andrecording audio on personal computers. Features include stereo analog-to-digital and digital-to-analog converters, analog mixing, anti-aliasing and reconstruction filters, line and microphonelevel inputs, digital audio compression, and full digital control of all mixer and volume controlfunctions.ResourcesThe system memory map and DMA settings are given in the following sections. Systeminterrupt settings, parallel interrupt settings, and serial interrupt settings are included inSection 2, ìSystem Configuration.îMemory MapThe system memory map is shown in the following table.System Memory MapMemory Space Function00000000 - 0009FFFF System board extension for ACPI BIOS000A0000 - 000AFFFF Intel Æ 815E Chipset Graphics Driver000B0000 - 000BFFFF Intel 815E Chipset Graphics Driver000C8000 - 000D7FFF 3Com EtherLink 10/100 PCI000E0000 - 000FFFFF System board extension for ACPI BIOS00100000 - 03EFFFFF System board extension for ACPI BIOS03F00000 - 03FFFFFF Unavailable for use by devicesDFC00000 - DFCFFFFF Intel 82801BA PCI BridgeE0000000 - E3FFFFFF Intel 815E Chipset Graphics DriverE7E00000 - EBEFFFFF Intel 82801BA PCI BridgeE8000000 - E800007F 3Com EtherLink 10/100 PCIEE000000 - EE07FFFF Intel 815E Chipset Graphics DriverFFB80000 - FFBFFFFF Intel 82802AB/AC Firmware Hub DeviceFFF80000 - FFFFFFFF System board extension for ACPI BIOS