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4 intel® ich7-m ide interface, 5 intel® ich7-m low pin count (lpc) interface, 6 intel® ich7-m pci interface – IEI Integration IEM-9452 User Manual

Page 32: 4 intel, Ich7-m ide interface, 5 intel, Ich7-m low pin count (lpc) interface, 6 intel, Ich7-m pci interface

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IEM-9452 ETX Module

Page 16

2.6.4 Intel

®

ICH7-M IDE Interface

The integrated IDE interface on the ICH7-M Southbridge supports two IDE hard disks and

ATAPI devices through the 40-pin IDE connector on the baseboard. PIO IDE transfers up

to 16 MB/s and Ultra ATA transfers of 100 MB/s. The integrated IDE interface is able to

support the following IDE HDDs:

Ultra ATA/100, with data transfer rates up to 100 MB/s

Ultra ATA/66, with data transfer rates up to 66 MB/s

Ultra ATA/33, with data transfer rates up to 33 MB/s

Specification

Ultra ATA/100

Ultra ATA/66

Ultra ATA/33

IDE devices

2

2

2

PIO Mode

0 – 4

0 – 4

0 – 4

PIO Max Transfer Rate

16.6 MB/s

16.6 MB/s

16.6 MB/s

DMA/UDMA designation

UDMA 3 - 4

UDMA 3 – 4

UDMA 2

DMA/UDMA Max Transfer

100 MB/s

66 MB/s

33 MB/s

Controller Interface

5V

5V

5V

Table 2-2: Supported HDD Specifications

2.6.5 Intel

®

ICH7-M Low Pin Count (LPC) Interface

The ICH7-M LPC interface complies with the LPC 1.1 specifications. The LPC bus from

the ICH7-M is connected to the following components:

BIOS chipset

Super I/O chipset

2.6.6 Intel

®

ICH7-M PCI Interface

The PCI interface on the ICH7-M is compliant with the PCI Revision 2.3 implementation.

Some of the features of the PCI interface are listed below.

PCI Revision 2.3 compliant