=============================================================================== MAXTOR MXT-540SL DISK DRIVE (SCSI) =============================================================================== KEY FEATURES: * 8.5 ms avg read seek * 8-point shock mounting system * 9.0 ms avg write seek * No sway space required * SCSI command overhead of ~ 300usec * Self-test diagnostics * Synchronous SCSI-2 fast transfer rates * Mechanically and thermally to 10Mbytes/sec, with 15 byte offset isolated head-disk environment * Disk transfer rate to 40 Mbits/sec, * Allows various sector sizes buffer to disk * Firmware downloadable via SCSI * Advanced buffer implementation interface - 256 KB mulit-segmented read ahead * 16-bit/35-Mhz processor - Write stacking capability * Hard sectored zoned density - Tagged command queuing recording * SCSI-2 compliance * 8-zone recording format * 88-bit ECC for high data reliability * 1,7 RLL data encoding for with on the fly correction capability improved windows margins * Power-down braking with positive head * Brushless in-hub spindle motor parking and latching * Sealed HDA * Surface mounted components with high degree of integration for high reliability SPECIFICATIONS: Formatted: ................................. 540 Million bytes Embedded Controller: ....................... SCSI Spare capacity (Mbytes) .................... 6.2 Number of Disks: ........................... 4 Data Surfaces: ............................. 8 Data Heads: ................................ 7 Servo Heads: ............................... 1 Physical tracks: ........................... 16,968 Bytes per Block: ........................... 512 Sectors per track: ......................... 46-78 Physical cylinders: ........................ 2,616 PERFORMANCE (Typical): Seek times* (ms), typical Track to track: ....................... <1.5 Read: ................................. 8.5 Write: ................................ 9.0 Maximum: .............................. 20 Command overhead (usec): ................... ~300 ** SCSI-bus transfer rate (Mbytes/sec) Asynchronous: ......................... Up to 5.0 Synchronous: .......................... Up to 10.0 Disk transfer rate (Mbits/sec) ............. 23-40 Average latency (ms) ....................... 4.76 Rotation speed ............................. 6,300RPM ±.5% Interleave: ................................ 1:1 PHYSICAL Height: 1.0 in. (2.54 cm) Width: 4.00 in. (101.6 mm) Depth: 5.750 in. (146 mm) Weight: 1.2 lbs. (.57 kg) Environmental: Temperature Operating .............................. 5°C to 55°C Non-operating .......................... -40°C to 65°C Thermal gradient ....................... 20°C per hour max Humidity Operating .............................. 5% to 95% non-condensing Non-operating .......................... 5% to 90% non-condensing Maximum gradient/hr .................... 20% Maximum wet bulb ....................... 27.6°C Reliability and Maintenance: MTBF ....................................... >300,000 hours Preventative Maintenance ................... None MTTR ....................................... 30 minutes Component design life ...................... >5 years Recoverable error rate ..................... ~10 in 10 to the 13th *** Unrecoverable error rate ................... ~10 in 10 to the 17th *** Seek error rate ............................ ~10 in 10 to the 7th Shock & Vibration (typical) Operating shock ........................ 3 Gs (no errors) Non-operating shock .................... 70 Gs Operating (recoverable errors) ......... 10 Power dissipation (typical) ................ 9 Watts Audible noise + 1 foot ..................... 40 dBA Power requirements +12 VDC ±5%, .54A (typical) 1.5A (maximum) +5 VDC ±5%, .50A (typical) SCSI-BUS COMMAND SET Format Unit Reserve Inquiry Rezero Unit Mode Select Seek Mode Sense Seek (Extended) Read Send/Receive Diagnostics Read Capacity Start/Stop Unit Read Data Buffer Test Unit Ready Read Defect Data Verify Read (Extended) Write Read Long Write and Verify Reassign Block Write Data Buffer Release Write (Extended) Request Sense Write Long * Includes settling ** Includes arbitration, message transfer, command transfer, command interpretation, status interpretation, and the posting of status. *** With default errors recovery parameters MXT is a trademark of Maxtor Corporation. Specifications subject to change without notice. ==============================================================================