IBM 1 GB Microdrive Storage Card, User Manual

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Model Microdrive storage card at a glance
Reliability
Error rate
(nonrecoverable) <1 per 1.0 E 13 bits transferred
Load/unload cycles 300 000
Power +3.3V power supply +5V power supply
Voltage requirement
(auto-detect) +3.3V dc, +5% +5V dc, +5%
Current (write) 250mA 260mA
Current (standby) 20mA 20mA
Power consumption
efficiency (watts/MB) 0.000495/0.000967 0.00085/0.00166
Physical size
Height (mm) 5+0/-0.10
Width (mm) 42.80/+0.10
Depth (mm) 36.40/+0.15
Weight (g) 16 (maximum)
Environmental
characteristics Operating Non-operating
Ambient temperature 0° to 55°C (32° to 131° F) -40° to 65°C (-40° to 149°
F)
Relative humidity
(non-condensing 8 to 90% 5 to 95%
Maximum wet bulb
(non-condensing) 29.4° C (84.9° F) 40° C (104° F)
Shock (half sine wave) 175 G (2 ms) 1500 G (1 ms)
Vibration (random RMS
[RMS]) 0.67 G (5 to 500 Hz) 3.01 G (5 to 500 Hz)
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1 GB Microdrive Storage Card: User’s Guide