Seagate ST9900805SS Savvio 10K.1 FC Product Manual - Page 14
Media description, Performance
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• User-selectable logical block size (any multiple of four bytes, 512 to 528 bytes per logical block) • Selectable frame sizes from 256 to 2,112 bytes • Industry standard 3.5-inch low profile form factor dimensions • Programmable logical block reallocation scheme • Flawed logical block reallocation at format time • Programmable auto write and read reallocation • Reed-Solomon error correction code • Sealed head and disc assembly (HDA) • No preventive maintenance or adjustments required • Dedicated head landing zone • Automatic shipping lock • Embedded Grey Code track address to eliminate seek errors • Self-diagnostics performed at power on • 1:1 interleave • Zone bit recording (ZBR) • Vertical, horizontal, or top down mounting • Dynamic spindle brake • 8,192 Kbyte data buffer (see Section 4.5). • Embedded servo design • Reallocation of defects on command (Post Format) • BackGround Media Scan (BGMS) • Data Integrity Check • Power Save 3.2 Media description The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection. 3.3 Performance • Programmable multi-segmentable cache buffer • 200-Mbytes/sec maximum instantaneous data transfers per port • 10K-RPM spindle; average latency = 3.0 msec • Command queuing of up to 128 commands • Background processing of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; improved seek performance 8 Savvio FC Product Manual, Rev. D