开发板tiny6410 v1.2 带minipcie接口
3G模块：华为EM770W
sim卡：中国移动2G
有以下几个问题求解答：
1,tiny6410预装的linux是否自动加载3G模块，自动拨号
2. 3G模块能不能使用GPRS拨号，连接网络
我的3G模块插上后，串口总是出现：
usb 1-1.4: new full speed USB device using s3c2410-ohci and address 40
usb 1-1.4: New USB device found, idVendor=12d1, idProduct=1404
usb 1-1.4: New USB device strings: Mfr=3, Product=2, SerialNumber=0
usb 1-1.4: Product: HUAWEI MOBILE WCDMA EM770W
usb 1-1.4: Manufacturer: HUAWEI Technology
option 1-1.4:1.0: GSM modem (1-port) converter detected
usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB0
option 1-1.4:1.1: GSM modem (1-port) converter detected
usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB1
option 1-1.4:1.2: GSM modem (1-port) converter detected
usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB2
option 1-1.4:1.3: GSM modem (1-port) converter detected
usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB3
option 1-1.4:1.4: GSM modem (1-port) converter detected
usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB4
option 1-1.4:1.5: GSM modem (1-port) converter detected
usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB5
option: option_instat_callback: error -62
option: option_instat_callback: error -62
option: option_instat_callback: error -62
option: option_instat_callback: error -62
option: option_instat_callback: error -62
option: option_instat_callback: error -62
option: option_instat_callback: error -62
option: option_instat_callback: error -62
usb 1-1.4: USB disconnect, address 40
option: option_instat_callback: error -108
option1 ttyUSB0: GSM modem (1-port) converter now disconnected from ttyUSB0
option: option_instat_callback: error -62
option 1-1.4:1.0: device disconnected
option1 ttyUSB1: GSM modem (1-port) converter now disconnected from ttyUSB1
option 1-1.4:1.1: device disconnected
option1 ttyUSB2: GSM modem (1-port) converter now disconnected from ttyUSB2
option 1-1.4:1.2: device disconnected
option1 ttyUSB3: GSM modem (1-port) converter now disconnected from ttyUSB3
option 1-1.4:1.3: device disconnected
option1 ttyUSB4: GSM modem (1-port) converter now disconnected from ttyUSB4
option 1-1.4:1.4: device disconnected
option1 ttyUSB5: GSM modem (1-port) converter now disconnected from ttyUSB5
option 1-1.4:1.5: device disconnected
usb 1-1.4: new full speed USB device using s3c2410-ohci and address 41
usb 1-1.4: New USB device found, idVendor=12d1, idProduct=1404
usb 1-1.4: New USB device strings: Mfr=3, Product=2, SerialNumber=0
usb 1-1.4: Product: HUAWEI MOBILE WCDMA EM770W
usb 1-1.4: Manufacturer: HUAWEI Technology
option 1-1.4:1.0: GSM modem (1-port) converter detected
usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB0
option 1-1.4:1.1: GSM modem (1-port) converter detected
usb 1-1.4: GSM modem (1-port) converter now attached to ttyUSB1
自带的GPRS拨号程序不能拨上（3G拨号那是肯定不能拨上的 了）
求大神解答
