7 intel® ich7-m real time clock, 8 intel® ich7-m sata controller, 7 intel – IEI Integration IEM-9452 User Manual
Page 33: Ich7-m real time clock, 8 intel, Ich7-m sata controller, Figure 2-6: sata connector
IEM-9452 ETX Module
Page 17
33 MHz
5V tolerant PCI signals (except PME#)
Integrated PCI arbiter supports up to seven PCI bus masters
2.6.7 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.
2.6.8 Intel
®
ICH7-M SATA Controller
The integrated SATA controller on the ICH7-M Southbridge supports one SATA drive on
the IEM-9452 with independent DMA operations. SATA controller specifications are listed
below.
Supports one SATA drive
Supports 1.5 Gb/s data transfer speeds
Supports Serial ATA Specification, Revision 1.0a
Figure 2-6: SATA Connector