Multiword Dma - Maxtor D740X-6L 20.0 AT Product Manual

G e n e r a l D e s c r i p t i o n
Performance
• Average seek time of 8.5ms
• Average rotational latency of 4.17ms
• New Ultra ATA interface with Maxtor-patented Ultra ATA/133 protocol
supporting burst data transfer rates of 133MB/s.
• 2 MB buffer with 1.9MB (approximate) Advance Cache Management (ACM).
• Look-ahead DisCache feature with continuous prefetch and WriteCache
write-buffering capabilities
• AutoTask Register update, Multi-block AutoRead, and Multi-block
AutoWrite features in a custom ASIC
• Read-on-arrival firmware
• Quadruple-burst ECC, and double burst ECC on-the-fly
• 1:1 interleave on read/write operations
• Support of all standard ATA data transfer modes with PIO mode 4 and
multiword DMA mode 2, and Ultra DMA modes 0, 1, 2, 3, 4 and 5
• Adaptive cache segmentation
Reliability
• 800,000 hours mean time between failure (MTBF) in the field
• Automatic retry on read errors
• 320-bit, non-interleaved Reed-Solomon Error Correcting Code (ECC), with
cross checking correction up to fifteen separate bursts of 10 bits each totalling
up to 150 bits in length
• S.M.A.R.T. 4 (Self-Monitoring, Analysis and Reporting Technology)
• Patented Airlock
dedicated landing zone
• Transparent media defect mapping
• High performance, in-line defective sector skipping
• Reassignment of defective sectors discovered in the field, without reformatting
• Shock Protection System to reduce handling induced failures
• Data Protection System to verify drive integrity
• Quiet Drive Technology (QDT)
• 800,000 MTBF
2 - 2 M a x t o r D 7 4 0 X - 6 L 2 0 . 0 / 4 0 . 0 / 6 0 . 0 / 8 0 . 0 G B A T
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automatic shipping lock, magnetic actuator retract, and