Service manual

8224 N/B Maintenance
8224 N/B Maintenance
34
 RTC
• Real Time Clock Generator with 32.768 KHz Input
 ACPI
• Support ACPI Appliance
• Secondary Programmable I/O Address Communication Port in LPC Mode
 Package
• 128 Pin QFP and 128 Pin LQFP Package Options
8224 can support SATA or PATA HDD by equipped different HDD transition board.
1.2.12 Hard Disk Drive
 SATA HDD
The SATA function in the ICH7 has dual modes of operation to support different operating system conditions. In
the case of Native IDE enabled operating systems, the ICH7 has separate PCI functions for serial and parallel ATA
(“enhanced mode”). To support legacy operating systems, there is only one PCI function for both the serial and
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