IEI Integration IEM-9452 - Manual (Page 29)

IEM-9452 ETX Module
Page 13
2.5.4 Intel
®
945GME Direct Media Interface (DMI)
Intel® 945GME Northbridge GMCH is connected to the Intel
®
ICH7-M Southbridge
Chipset through the chip-to-chip Direct Media Interface (DMI). Features of the Intel
®
945GME DMI are listed below:
2GB/s (1GB/s in each direction) bus speed
32-bit downstream address
2.6 Intel
®
ICH7-M Southbridge Chipset
2.6.1 Intel
®
ICH7-M Overview
The Intel® ICH7-M Southbridge chipset is connected to the Intel® 945GME Northbridge
GMCH through the chip-to-chip Direct Media Interface (DMI). Some of the features of the
Intel® ICH7-M 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 one SATA
connector on the IEM-9452
Integrated IDE controller supports Ultra ATA 100/66/33
Supports the four USB 2.0 devices on the baseboard 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
Contains Low Pin Count (LPC) interface
Supports Firmware Hub (FWH) interface
Serial peripheral interface support