User Guide

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The CODEC circuit of AC97 sound/modem solution can be put on motherboard or put on a riser card (AMR card) that connects to
motherboard through AMR connector.
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A disc bundled with our motherboard product; there are motherboard drivers, Acrobat Reader for PDF online manual and other useful
utilities.
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Unlike ACPI, BIOS controls most APM power management functions. Suspend to Hard Drive is a good example of APM power
management.
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ATA is the specification of diskette interface. In 80’s, many software and hardware manufacturers instituted the ATA specification together.
The AT is meaning International Business Machines Corporation (IBM) personal computer/AT’s bus structure.
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ATA/66 uses both rising edge and falling edge but doubles UDMA/33 transfer rate. The data transfer rate is 4 times of the PIO mode 4 or
DMA mode 2, 16.6MB/s x4 = 66MB/s. To use ATA/66, you need special ATA/66 IDE cable.
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