IEI Integration WAFER-945GSE v1.04 - Manual (Page 43)

WAFER-945GSE 3.5” Motherboard
Page 23
Figure 2-12: PCIe Mini Slot
2.5.5 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 ICH6. 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.
2.5.6 Intel
®
ICH7-M SATA Controller
The integrated SATA controller on the ICH7-M southbridge supports up to four SATA
drives with independent DMA operations. Two SATA controllers are connected to two
SATA connectors on the WAFER-945GSE. The SATA connectors are shown in
718H
Figure
2-13.