The Intel® Server Board S875WP1-E (product order code S875WP1LX) provides additional four port Serial ATA through the use of the Promise* Technology PDC20319 controller. The PDC20319 SATA-150 controller contains four independent Serial ATA channels that share a single 32-bit, 33-MHz PCI bus master interface as a multifunction device, packaged in a 144-pin LQFP.
The PDC20319 controller supports the following features:
- Burst bus mastering and advanced packet command based scatter/gather engine to enhance overall system performance
- Built in 4 channels Serial ATA PHY, which meets the Serial ATA 1.0 specification and can transfer data with 1.5GHz speed
- Capable of supporting multiple arrays and quad master mode for dedicated Serial ATA channel, up to four physical drives can operate at master mode.
- Quad independent data paths with read ahead and write posting supported for quad IDE channels to have high performance
- PCI interface that complies with PCI Local Bus Specification Revision 2.3 and PCI power management 1.1
- Support 48-bit LBA format for drives larger than 128GB
- 32-bit, 33-MHz bus speed and 150 MB/sec sustained transfer rate.
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