Seagate ST318418N Product Manual - Page 16
Barracuda 36ES2 Product Manual, Rev. B, Standard features, Media characteristics, Performance,
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6 Barracuda 36ES2 Product Manual, Rev. B 3.1 Standard features The Barracuda 36ES2 family has the following standard features: • Integrated Ultra160 SCSI controller • Multimode SCSI drivers and receivers-single-ended (SE) and low voltage differential (LVD) • 16 bit I/O data bus on LW models. 8 bit I/O data bus on the N model. • Asynchronous and synchronous data transfer protocol • Firmware downloadable via SCSI interface • Selectable even-byte sector sizes from 512 to 4,096 bytes/sector • Programmable sector reallocation scheme • Flawed sector reallocation at format time • Programmable auto write and read reallocation • Reallocation of defects on command (post format) • Enhanced ECC maximum burst correction length of 240 bits with a guaranteed burst correction length of 233 bits. • Sealed head and disc assembly • No preventative maintenance or adjustment required • Dedicated head landing zone • Embedded servo design • Self diagnostics performed when power is applied to the drive • 1:1 Interleave • Zoned bit recording (ZBR) • Vertical, horizontal, or top down mounting • Dynamic spindle brake • 2,048 kbyte data buffer • Drive Self Test (DST) 3.2 Media characteristics The media used on the drive has a diameter of approximately 3.74 inches (95 mm). The aluminum substrate is coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection. 3.3 Performance • Supports industry standard Ultra160 SCSI interface • Programmable multi-segmentable cache buffer (see Section 3.1) • 7,200 RPM spindle. Average latency = 4.17 ms • Command queuing of up to 64 commands • Background processing of queue • Supports start and stop commands (spindle stops spinning) 3.4 Reliability • 800,000 hour MTBF • LSI circuitry • Balanced low mass rotary voice coil actuator • Incorporates industry-standard Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) • 3-year warranty