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LSI53C810A Benefits Summary 1-3
1.2 LSI53C810A Benefits Summary
This section provides an overview of the LSI53C810A features and
benefits. It contains these topics:
• SCSI Performance
• PCI Performance
• Integration
• Ease of Use
• Flexibility
• Reliability
• Testability
1.2.1 SCSI Performance
To improve SCSI performance, the LSI53C810A:
• Complies with PCI 2.1 specification
• Supports variable block size and scatter/gather data transfers
• Minimizes SCSI I/O start latency
• Performs complex bus sequences without interrupts, including
restore data pointers
• Reduces Interrupt Service Routine (ISR) overhead through a unique
interrupt status reporting method
• Performs fast SCSI bus transfers in SE mode
– up to 7 Mbytes/s asynchronous
– 10 Mbytes/s synchronous
• Increases performance of data transfers to and from the chip
registers with new load and store SCRIPTS instruction
• Supports target disconnect and later reselect with no interrupt to the
system processor
• Supports execution of multithreaded I/O algorithms in SCSI
SCRIPTS with fast I/O context switching