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The 640 MEG Shareware Studio 2
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The 640 Meg Shareware Studio CD-ROM Volume II (Data Express)(1993).ISO
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2585A.TXT
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1992-05-21
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114 lines
===============================================================================
MAXTOR "APACHE" 2585A IDE DRIVE
===============================================================================
KEY FEATURES:
* 15ms average seek * 32K on-board cache
* Ultra-low power consumption * >250,000 hour MTBF
* 1:1 interleave * Automatic actuator lock
* Single-sided surface mount PCBA * 100 Gs shock resistance
* Embedded AT controller * High data transfer rate
* Automatic error detection & correction
SPECIFICATIONS:
Formatted: ................................. 85,417,984 bytes
Embedded Controller: ....................... AT
Actuator type: ............................. Rotary Voice Coil
Number of Disks: ........................... 2
Data Surfaces: ............................. 4
Data Heads: ................................ 4
Servo: ..................................... Embedded
Tracks per surface: ........................ 1,092
Track Density (average): ................... 1,993 tpi
Bytes per Block: ........................... 512
Data Zones: ................................ 4
Sectors per track: ......................... 24-48
PERFORMANCE (Typical):
Seek times* (ms)
Track to track: ....................... 3
Average: .............................. 15
Maximum: .............................. 27
Average latency (ms) ....................... 8.4
Rotation speed ............................. 3,551 RPM
Controller overhead ........................ 1 ms
Data transfer rate (Mbytes per sec)
To/from media ......................... 0.95-1.81
To/from buffer (AT) ................... 8.0
Start time / power up (0-3,551 RPM)
Typical ............................... ≤5 sec
Stop time / power down
Typical ............................... ≤3 sec
Start/stop cycles .......................... 40,000 typical
Interleave: ................................ 1:1
Buffer Size: ............................... 32K
Interface: ................................. AT
Recording Method: .......................... 1,7 RLL
Recording Density (Kbpi) ................... 31-39
Flux Density (Kfci) ........................ 23-29
Power Requirments (Typical):
Mode +5VDC ±5% Power
Spin-up 970mA Avg Peak
R/W 440mA 2.2W
Idle 220mA 1.1W
Standby / Sleep 40mA 0.2W
Physical:
Height: 0.69" (17.5 mm)
Length: 4.00" (101.6 mm)
Width: 2.75" (69.84 mm)
Weight: 0.374 lbs.(170 gm)
Environmental:
Temperature
Operating .............................. 5°C to 55°C
Non-operating .......................... -40°C to 60°C
Thermal gradient ....................... 20°C per hour max
Humidity
Operating .............................. 5% to 90% non-condensing
Non-operating .......................... 5% to 90% non-condensing
Altitude (relative to sea level)
Operating .............................. -200 to 10,000 feet
Non-operating .......................... 40,000 feet max
Reliability and Maintenance:
MTBF ....................................... >250,000 hours
(POH, predicted at 35 degrees C)
Preventative Maintenance ................... None
Component design life ...................... 5 years (minimum)
Data reliability
Hard read errors ...................... <10 non-recoverable
per 10 to the 14th bits read
Shock & Vibration (typical)
Shock measured at half-sine pulse. Vibration
measured at swept sine, 1 octave per minute
Operating shock ........................ 100 Gs, 11ms 1/2 sine wave
Non-operating shock .................... 10 Gs, 11ms 1/2 sine wave
Non-operating Vibration
5-20 Hz ............................... .245" (double amplitude)
20-500 Hz ............................. 5 Gs peak amplitude
Operating Vibration
5-20 Hz ............................... .049" (double amplitude)
20-300 Hz ............................. 1 Gs peak amplitude
Acoustic Noise
34 dBA at 1 meter (typical) in idle (spinning) on-track mode.
* The average of 10,000 random seek times (measured on independent
test equipment) consitutes the average seek time specification.
2585A and 25128a are trademarks of Maxtor Corporation.
Specifications subject to change without notice.
==============================================================================