Standard Features - Seagate Elite 9 Product Manual

Elite 9 Product Manual, Rev. C
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Standard features

Elite 9 drives have the following standard features:
• Integrated SCSI controller
• Single-ended or differential SCSI drivers and receivers
• Non-shielded 50-pin connector
• Initiator/target terminator power option
• SCSI bus parity with full parity pass-through
• SCSI disconnect/reconnect support
• Multiple SCSI initiator support
• SCSI-2 command set support
• Synchronous SCSI bus data transfer protocol (maximum offset of 15)
• 10.0 Mbytes/sec SCSI bus transfers (minimum period 100 nsec)
• 20.0 Mbytes/sec SCSI bus wide transfers (ST410800W/WD models)
• 954 Kbyte data buffer
• Cache buffer management
• User-selectable logical block size (180 to 4,096 bytes)
at even-number intervals
• ECC (error correction code) on the fly
• User-selectable automatic defect reallocation scheme
• User-selectable number of spare sectors per cylinder
• Industry standard 5.25-inch full-high form factor dimensions
(3.25 high × 5.75 wide × 8.00 deep)
• Microcode downloadable using the Write Data Buffer command
• Asynchronous and synchronous data-transfer protocols
• Firmware downloadable using a SCSI interface
• Programmable sector-reallocation scheme
• Flawed sector reallocation at format time
• Programmable auto-write and auto-read reallocation
• Reallocation of defects on command (Reassign Block command)
• 96-bit and Reed-Solomon error correction code
• Sealed head and disc assembly (HDA)
• No preventive maintenance or adjustments required
• Dedicated head-landing zone
• Automatic shipping lock
• Automatic thermal compensation
• 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
• Active internal termination (ST410800N/W models)
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