IEI Integration NANO-9453 v1.0 - Manual (Page 33)

NANO-9453 EPIC Motherboard
Page 15
2.6 Intel
®
ICH7M Southbridge Chipset
2.6.1 Intel
®
ICH7M Overview
The Intel
®
ICH7M southbridge chipset is connected to the Intel
®
945GM northbridge
GMCH through the chip-to-chip Direct Media Interface (DMI). Some of the features of the
Intel
®
ICH7M are listed below.
Complies with PCI Express Base Specification, Revision 1.0a
Complies with PCI Local Bus Specification, Revision 2.3 and supports 33MHz
PCI operations
Supports ACPI Power Management Logic
Contains:
o Enhanced DMA controller
o Interrupt controller
o Timer functions
Integrated SATA host controller with DMA operations interfaced to two SATA
connectors on the NANO-9453
Integrated IDE controller supports Ultra ATA 100/66/33
Supports the six USB 2.0 devices on the NANO-9453 with four UHCI
controllers and one EHCI controller
Complies with System Management Bus (SMBus) Specification, Version 2.0
Supports Audio Codec ’97 (AC’97) Revision 2.3
Supports Intel
®
High Definition Audio
Contains Low Pin Count (LPC) interface
Supports Firmware Hub (FWH) interface
2.6.2 Intel
®
ICH7M Audio Codec ’97 Controller
The Audio Codec ’97 (AC’97) controller integrated into the ICH7M complies with AC’97
Component Specification, Version 2.3. The AC’97 controller is connected to the onboard
audio connector. The audio connector is connected to an optional 5.1 channel or 7.1
channel audio kit with an embedded AC’97 audio codec. The AC’97 controller supports up
to six PCM audio output channels. Complete surround sound requires six-channel audio
consisting of: