Quantum Daytona 170/256/341/514


Drive                         127    170     256     341     514  
Cylinder                             538     723     1011    997
Heads                                10      11      15      16
Sectors                              62      63      44      63
Write Precomp                        65535*  65535*  65535*  65535*
Landing Zone                         538     723     1011    997

Configuration
Disks                         1      2       2       3       4
Heads/Recording Surfaces      2      3       4       6       8
Standby to Drive Ready (sec)  2.0    2.5     2.5     2.8     3.0


Tracks Per Surface 1704 Sectors Per Track 54 to 92 Bytes Per Sector 512 Track Density 3100 tpi Flux Density 53,700 fci Recording Density 71,600 bpi Encoding Method RLL 1,7 Average Seek Time 17 ms Track-to-Track Seek Time 5 ms Full Stroke Seek Time 24 ms verage Rotational Latency 6.66 ms Rotational Speed 4500 RPM Internal Data Rate 22 to 36 MB/sec Burst Transfer Rate (buffer) 10 MB/sec Buffer Size 128 KB Interleave 1:1 Projected Field MTBF 350,000 hours Preventive Maintenance Not Required Uncorrectable Error Rate <1 in 1014 Error-Correction Method Reed Solomon Warranty* 1 year PHYSICAL SPECIFICATIONS inches (mm) Width 2.75 (70) Length 3.94 (100) Height Daytona 127, 170 & 256 0.50 (12.5) Daytona 341 & 514 0.75 (19) ounces (gm) Daytona 127 4.4 (125) Daytona 170 4.6 (130 Daytona 256 4.6 (130) Daytona 341 6.4 (180) Daytona 514 6.6 (185) ENVIRONMENTAL LIMITS Operating Temperature (:C) 5 to 55 Non-condensing Humidity (%) 10 to 90 Shock (G, 11 ms) 10 Vibration (G, peak-to-peak) 1 Altitude (ft.) -200 to 10,000 Non-Operating Temperature (:C) -40 to 65 Non-condensing Humidity (%) 10 to 90 Shock4 (G, 2 ms) 300 Vibration (G, peak-to-peak) 5 Altitude (ft.) -200 to 40,000 Sound Pressure Maximum @ Idle (dBA) 33 POWER SPECIFICATIONS Nominal Voltage +5 Voltage Margin (%) 15 Typical Power Draw5 (W) Standby 0.2 Idle Daytona 127, 170, & 256 1.2 Daytona 341 & 514 1.4 Active Daytona 127, 170, & 256 1.9 Daytona 341 & 514 2.1 Operating Read Write Seek Daytona 127, 170, & 256 2.5 2.6 2.5 Daytona 341 & 514 2.6 2.8 2.7 Peak Spin-up Current (mA) Daytona 127, 170 & 341 1,200 Daytona 256 & 514 1,300 FEATURES DisCache. and WriteCache Defect Free Interface. Firmware Adaptive Segmentation DiskWare AutoRead and AutoWrite ShockLock AutoTransfer AutoIdle and AutoPark Local Bus with I/O Channel Ready StackWrite Fast Multiword DMA Support MCC Compatibility 112-bit Reed Solomon ECC On-the-Fly AT Bus Cable Select