4 intel® ich7 pci interface, 5 intel® ich7 real time clock, 6 intel® ich7 sata controller – IEI Integration IMBA-9454 v4.02 User Manual
Page 37: 4 intel, Ich7 pci interface, 5 intel, Ich7 real time clock, 6 intel, Ich7 sata controller, Table 2-5: supported hdd specifications

IMBA-9454G Motherboard
Page 19
Specification
Ultra ATA/100
Ultra ATA/66
Ultra ATA/33
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
100MB/s 66MB/s 33MB/s
Controller Interface
5V 5V 5V
Table 2-5: Supported HDD Specifications
2.6.4 Intel
®
ICH7 PCI Interface
The PCI interface on the ICH7 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
33MHz
5V tolerant PCI signals (except PME#)
Integrated PCI arbiter supports up to seven PCI bus masters
2.6.5 Intel
®
ICH7 Real Time Clock
256 bytes of battery backed RAM is provided by the Motorola MC146818A real time clock
(RTC) integrated into the ICH7. 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.
2.6.6 Intel
®
ICH7 SATA Controller
The integrated SATA controller on the ICH7 southbridge supports four SATA drives with
independent DMA operations. SATA controller specifications are listed below.
Supports four SATA drives
Supports 3.0Gb/s data transfer speeds
Supports Serial ATA Specification, Revision 1.0a and supports several
optional sections of the Serial ATA II: Extensions to Serial ATA 1.0
Specification, Revision 1.0 (AHCI support is required for some elements).