Compaq 420C 486 DX4/75 MHZ 420 MB 8 MB 10.4 Personal Computer User Manual


 
Low
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Rotational Speed 300 rpm
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Read/Write Heads 2
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Average Access Time (ms):
Track-to-Track (high/low) 3/3
Average (high/low) 94/94
Settling Time (ms) 15
Latency Average (ms) 100
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Chapter 6.5 Nickel Metal Hydride (NiMH) Battery Pack
Table 6-10. Battery Pack (All Models)
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English Metric
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Dimensions:
Height 0.7 in 1.8 cm
Length 8.2 in 20.8 cm
Width 2.0 in 5.2 cm
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Weight 1.0 lb 0.4 kg
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Energy:
Rated Capacity 10.8 V dc
Nominal Open Circuit Volt. 12.0 V dc
Rated Capacity 2.4 Ah
Standard Recharge Rate 15 W Max.
7 W Min.
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Battery Life * 4 to 6 h
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Environmental Requirements
Temperature:
Operating 50oF to 104oF 10oC to 40oC
Storage
No time limit -4oF to 86oF -20oC to 30oC
No longer than 3 months -4oF to 104oF -20oC to 40oC
No longer than 1 month -4oF to 122oF -20oC to 50oC
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* Battery life is based on an estimated typical use pattern of an average
user and will vary based on the configuration of the computer and the
usage pattern of the individual user. To maximize battery life, Compaq
recommends that power conservation be set to high.
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Chapter 6.6 AC Adapter
Table 6-11. AC Adapter (All Models)
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English Metric
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Dimensions: