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6 intel® ich7-m real time clock, 7 intel® ich7-m sata controller – IEI Integration PICOe-945GSE User Manual

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PICOe-945GSE Half-Size CPU Card

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2.5.6 Intel

®

ICH7-M Real Time Clock

256 bytes of battery backed RAM is provided by the Motorola MC146818A real time clock

(RTC) integrated into the ICH7-M. The RTC operates on a 3V battery and 32.768KHz

crystal. The RTC keeps track of the time and stores system data even when the system is

turned off.

2.5.7 Intel

®

ICH7-M SATA Controller

The integrated SATA controller on the ICH7-M supports up to two SATA drives with

independent DMA operations. Two SATA controllers are connected to two SATA

connectors on the PICOe-945GSE. The SATA connectors are shown in

725H

Figure 2-12.

Figure 2-12: SATA Connectors

SATA controller specifications are listed below.

Supports two SATA drives

Supports 1.5 Gb/s data transfer speeds

Supports Serial ATA Specification, Revision 1.0a