Dell OptiPlex 390 - Coin-Cell Battery; Removing the Coin-Cell Battery

DELL™ OPTIPLEX™ 390 TECHNICAL GUIDEBOOK —FINAL
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For hard drives, GB means 1 billion bytes ; actual capacity varies with preloaded material and operating environment and will be less.
HARD DRIVES
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(CONT.)
Environmental Operating Conditions (Non-Condensing):
Temperature Range 5
0
C to 60
0
C
Relative Humidity Range 20% to 80% non-condensing
Maximum Wet Bulb Temperature 29
0
C
Altitude Range -50 ft to 10000 ft
Environmental Non-Operating Conditions (Non-Condensing):
Temperature Range -40
0
C to 65
0
C
Relative Humidity Range 10% to 90% non-condensing
Maximum Wet Bulb Temperature 38
0
C
Altitude Range -50 ft to 35000 ft
3.5” 250GB SATA 7200 RPM HDD
Capacity (bytes) 250,059,350,016
Dimensions inches (W x D x H) 5.87 x 4 x 1
Interface type and Maximum speed
Up to 6Gb/s (SATA 3.0)
Up to 3Gb/s (SATA 2.0)
Internal buffer size 8 MB
Average Seek Time 8.5 ms
Rotational Speed 7200 rpm
Logical Blocks 488,397,168
Power Source
Power Consumption (reference only) Idle 5.0W, Active 10.0W(running IOmeter utility)
Spin Up Current (reference only) 5V (1A) ,12V (2A)