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mirrored second drive.
1.1. Features
1.1.1. PCI Interface
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Compliant with PCI Specification, revision 2.2.
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Integrated PCI DMA engines.
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32 bit, 33/66MHz fully compliant PCI host interface.
1.1.2. High Speed Serial ATA Interface
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Four high speed Serial ATA interface ports, each supporting 1st
generation Serial ATA data rates (1.5Gb/s).
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Provides RAID 0 (Stripping) to greatly increase the performance of data
transfer by simultaneously writing data to 2 drives.
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Provides RAID 1 (Mirroring) to protect the data from a disk failure by
writing identical data on 2 drives.
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RAID 0+1 (Mirrored-Stripping) combine both Striping and Mirroring
technologies to provide both the performance enhancements that come
from Striping and the data availability and integrity that comes from
Mirroring.
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Fully compliant with Serial ATA 1.0 specifications.
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Supports Spread Spectrum in receiver.
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Independent 256-byte FIFOs (32 bit * 64 deep) per Serial ATA channel for
host reads and writes.
1.1.3. The Individual features for different HBA Models
1.1.3.1. Model A: Serial ATA Internal 4 Ports
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Supports Independent four Internal Ports
1.1.3.2. Model B: SATA External 2 Port + Internal 2 Port
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Supports two External Ports and two Internal Ports