NEC VERSA 4000 Manual page 89

Hard Disk Drive
Internal 2.5-inch, 540-MB, or 810-MB drive, removable
Track-to-track seek rate — 4 ms
Average seek time — 13 ms (read), 14 ms (write)
Revolutions per minute — 4000
I/F data rate — Mode 3-11 MB per second
Media data rates — 39
Power
AC Adapter
Input Voltage
1.0–0.5 A
Output Voltage
Battery Pack
Type — Lithium Ion (Li-Ion)
Output Voltage — 10.8 V
Capacity — 2,500 mAH
Battery Life — Approximately 3–5 hours, depending on
model, under typical operating conditions.
Recharging Time
Bridge Battery
Fully charged, backs up memory contents and system
status for up to 5 minutes under Suspend mode.
B-4 Specifications and Environment
100 to 240 volts (V) AC, 50 or 60 Hz,
13.5 V DC, 3 A (40.5 W)
2.5 hours when the system is off (Quick Charge)
2.5–7 hours when the system is on (Normal
Charge), depending on system operation status.
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