Laptop User Manual

7521

Plus / N N/B MAINTENANCE

 Lower ICON LEDs on M/B

Mail Received status (left 1)

AC POWER (left2)

BATTERY POWER (right 2)

BATTERY STATUS (right 1)

 Upper ICON LEDs on M/B

CD-ROM/MO (left 1)

HARD DISK DRIVE (left 2)

FLOPPY DISK DRIVE (left 3)

NUM LOCK (right 3)

CAPS LOCK (right 2)

SCROLL LOCK (right 1)

CMOS Battery

LED Indicators

 HP HSDL-3600#007 FIR Module

Meet IrDA Physical Layer Specification

1 cm to 1 Meter Operating Distance

30 degree Viewing Angle

Support Two Channels - 2.4 Kb/s to 115.2Kb/s and 1.15Mb/s to 4.0 Mb/s

IO port

 CR2032 3V 220mAh lithium battery

 When AC in or system main battery in, CMOS battery will no power consumption.

 AC or main battery not exists, CMOS battery life at less (220mAh/5.8uA) 4 years.

 In normal condition, battery life is at less over 4 years. Battery was put in battery holder.