■ PEX 8712 Key Features
- St ndards Compliant a
- PCI Express Base Specification, r3.0 (compatible w/ PCIe r1.0a/1.1 & 2.0)
- PCI Power Management Spec, r1.2
- Microsoft Vista Compliant
- Supports Access Control Services
- Dynamic link-width control
- Dynamic SerDes speed control
■ Flexible Configuration
- Ports configurable as x1, x2, x4, x8
- Registers configurable with strapping 2 pins, EEPROM, I C, or host software
- Lane and polarity reversal
- Compatible with PCIe 1.0a PM
■ Multi-Host & Fail-Over Support
- Configurable Non-Transparent (NT) port
- Failover with NT port
- Two upstream/Host ports with 1+1 failover to the other upstream port
■ Quality of Service (QoS)
- Eight traffic classes per port
- Weighted round-robin source port arbitration

The PEX 8712 provides end-to-end CRC (ECRC) protection and Poison bit support to enable designs that require end-to-end data integrity. PLX also
supports data path parity and memory (RAM) error correction circuitry throughout the internal data paths as packets pass through the switch.