Hardware Configuration 45
E-EQ-MX3XRG-H MX3X Reference Guide
Audio Interface
An interface is available for headset operation. When a headset is plugged into the audio jack on
the endcap, the main speaker is disabled.
PCMCIA Slots
Use and operation of the Personal Computer Memory Card International Association (PCMCIA)
device (e.g. PC card) is dependent upon both the type of device installed and the application(s)
running on the computer.
Make sure the proper software is pre-loaded and PC cards are properly configured.
Slot 0 – Network or SRAM Cards
Note: When removing or installing the network card, protect the internal components and the
network card from electrostatic discharge.
The mobile device has one internal PCMCIA slot that conforms electrically to PCMCIA 2.1
specifications. The PC Slot supplies 0.75 of an amp at 5Volts or 3.3Volts. Battery voltage is
supplied through unused pin 35 to support a WAN client device in the slot.
The PC slot is accessible by the use of a Phillips screwdriver to first loosen the endcap. It accepts
Type I or II cards only. Slot 0 accepts PCMCIA 2.4GHz network cards or SRAM/Flash memory
cards.
Slot 1 – Compact Flash Card
The mobile device has one internal Compact Flash card port that supports Type I and II CF+
cards. The slot is accessible when the endcap has been loosened.
