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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 AOpen motherboard product, there are motherboard drivers, Acrobat Reader for
useful utilities.
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Unlike ACPI, BIOS controls most APM power management functions. AOpen Suspend to Hard Drive is a good example of APM power
management.
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ATA/66 uses both rising edge and falling edge but doubles
DMA mode 2, 16.6MB/s x4 = 66MB/s. To use ATA/66, you need special ATA/66 IDE cable.
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ATA/100 is a new IDE specification under developing. ATA/100 uses both rising edge and falling edge as
reduced to 40ns. The data transfer rate is (1/40ns) x 2 bytes x 2 = 100MB/s. To use ATA/100, you need special 80-wire IDE cable, the
same as ATA/66.
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UDMA/33
transfer rate. The data transfer rate is 4 times of the PIO mode 4 or
147
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PDF
online manual and other
ATA/66
but clock cycle time is
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