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Manufacturer:
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Quantum Corporation
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Model number:
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Fireball Plus LM 20.5 GB AT
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Interface:
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EIDE / Ultra ATA/66
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Capacity:
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20.5 GB 40,123,503 LBA
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Performance
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Rotational Speed:
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7,200 RPM
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Average Rotational Latency:
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4.17 ms
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Spin-up time to Ready (typical):
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15.0 Seconds
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Cache (total):
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2 MB
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Typical Seek time:
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Track-to-Track
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0.8 ms
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Average Random Read
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8.5 ms
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Average Random Write
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9.5 ms
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Full Stroke
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15.0 ms
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Interface transfer rate(max.):
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66 MB/Sec burst
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Interleave Factor:
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1:1
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Internal Characteristics
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Number of disks/heads:
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Disks
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2
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Heads
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4
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Track Density:
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40,123,503 tracks per inch
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Total Sectors:
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20,044,080
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Bytes per sector:
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512
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Reliability
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PreventativeMaintenance:
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None Required
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Non-recoverable readerrors:
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1 in 10^15 bits read
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SMART compliant:
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Yes
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Electrical
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Nominal Voltage:
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5 Vdc / 12 Vdc
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Voltage Margin:
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5Vdc @ /- 5%, 12Vdc @ /- 10%
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Environmental
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Operating Temperature:
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5 to 55 degrees C
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Operating Humidity:
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5 to 85% RH (non-condensing)
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Non-operating Temperature:
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-40 to 65 degrees C
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Non-operating Humidity:
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5 to 95% RH (non-condensing)
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Power Dissipation
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Operating Mode
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Startup (peak)
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28.0 Watts
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Idle
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5.6 Watts
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Maximum Seeking
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13.6 Watts
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Standby
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0.8 Watts
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Sleep
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0.8 Watts
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Read/Write on Track
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9.3 Watts
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EPA Energy Star Compliant:
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Yes
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Mechanical Shock
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Operating (no data loss):
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|
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10G @ 11 ms (half-sine), write/read
20G @ 2 ms (half-sine), write
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63G @ 2 ms (half-sine), read
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Non-operating (no data loss):
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70G @ 11 ms (half-sine)
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200G @ 2 ms (half-sine)
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110G @ 1 ms (half-sine)
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Physical Characteristics
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Height:
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1.028" (26.10 mm) max.
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Width:
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4.00 /- 0.01" (101.6 /- 0.25 mm)
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Depth:
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5.787" (147 mm) max.
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Weight:
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< 1.26 lbs. (580 gr.)
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