Intermec 6640 Reference Guide

Above the display are two twoĆcolor light emitting diode

(LED) indicators which indicate the status of the external

power and the main battery.  Keep in mind the LEDs only

work when the 6640 Computer is turned on.
The left LED is for the external power.  Below are its condiĆ

tions and meanings:

"

Off

System is off

"

Steady Green

6640 Computer is running off 

external power.

"

Blinking Green Computer is in Suspend Mode and 

running off external power.

"

Steady Red

6640 Computer is turned on and is 

running off the battery.

"

Blinking Red

Computer is in Suspend Mode with 

no external power supplied.

The right LED is for the main battery.  Below are its condiĆ

tions and meanings:

"

Off

6640 Computer is in Suspend Mode 

or the computer is turned off.

"

Steady Green

Main battery is fullyĆcharged, 

running, or on charge power.

"

Blinking Green Main battery is charging.

"

Steady Red

6640 Computer is running off the 

main battery with capacity 

exceeding 20 percent.

"

Blinking Red

Computer is running off the main

battery with capacity under 

20 percent.

The 6640 Computer comes with 32 MB of Standard DRAM

(SDRAM); memory is expandable to either 64 or 128 MB.