UMTS/HSPA/LTE Module Series
Mini PCIe EVB User Guide
Mini_PCIe_EVB_User_Guide Confidential / Released 27 / 30
4.3. Reset Mini PCIe Module
The emergency restart option is only used in case of emergency. For example, the software does not
respond for more than 5 seconds due to some serious problems.
Pressing the key S101 for more than 150ms then releasing will reset the Mini PCIe module. This may
cause the loss of information stored in the memory since the reset has been initialized.
4.4. Communication via USB or UART Interface
4.4.1. Communication via USB Interface
1. Power on the Mini PCIe module.
2. Connect EVB and PC with USB cable through USB interface, refer to
document [1]
to install USB
driver from the Driver Disk.
3. Configure AT Command Window, select correct communication port, and operate the Mini PCIe
module via AT commands.
4.4.2. Communication via UART Interface
1. Install the USB-to-RS232 driver from the Driver Disk.
2. Connect the UART interface to PC with USB-to-RS232 converter cable.
3. Configure AT Command configuration tool, set correct baud rate (such as 115200bps) and COM
number which can be checked by the Device Manager on PC.
4. Power on the Mini PCIe module and operate the module via AT commands.
4.5. Firmware Upgrade
Mini PCIe Module upgrades firmware via USB port by default, please follow the procedures below to
upgrade firmware.
1. Open the firmware upgrade tool
“
QFlash
”
in the PC and power on the Mini PCIe module.
2.
Click the “
COM Port
” dropdown list and select the USB DM port.
3. Click the
“
Load FW Files
” button to choose the firmware document package.
4.
Click the “
Start
” button to upgrade the firmware.
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