Communication Cards
Dell Studio™ 1557/1558 Service Manual
Subscriber Identity Module
Subscriber Identity Modules (SIM) identify users uniquely through an International Mobile Subscriber Identity.
Installing the SIM
1.
Follow the instructions in
.
2.
In the battery bay, slide the SIM into the compartment.
Removing the SIM
Press the SIM into the slot to release it. When it is partially ejected, remove the SIM from the battery bay.
Wireless Mini-Cards
Your computer supports three Mini-Card slots:
l
Two full Mini-Card slots
—
for WWAN, WPAN, UWB, and Bluetooth
®
l
One half Mini-Card slot
—
for WLAN
The types of Mini-Cards supported are:
l
Wireless Local Area Network (WLAN)
—
Half Mini-Card
l
Ultra Wide Band (UWB)
—
Full Mini-Card
l
Mobile broadband or Wireless Wide Area Network (WWAN)
—
Full Mini-Card
l
Wireless Personal Area Network (WPAN) or Internal Card with Bluetooth Wireless Technology
—
Full Mini-Card
WARNING:
Before working inside your computer, read the safety information that shipped with your computer. For additional safety best
practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.
CAUTION:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on the back of the computer).
CAUTION:
Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell™
is not covered by your warranty.
CAUTION:
To help prevent damage to the system board, remove the main battery (see
Before Working Inside Your Computer
) before working
inside the computer.
1
SIM
2
battery bay
NOTE:
Dell does not guarantee compatibility or provide support for Mini-Cards from sources other than Dell.
NOTE:
Depending on the configuration of your system, one or more of the Mini-Cards might not be present.
