pim2b插卡不能启动

上电。。。。。

key pressed value=0x2e
key pressed value=0x2e
time out
key not pressed anymore
no uart input
DRAM:  1 GiB
fdt addr: 0x76e84cf8
Relocation Offset is: 35edb000
In:    serial
Out:   serial
Err:   serial
gic: normal mode
      8.894]start
drv_disp_init
init_clocks: finish init_clocks.
pwm_request: reg = 0x1c23400. pwm = 0.
request pwm success, pwm = 0.
tv_init:
tv_init:
drv_disp_init finish
boot_disp.output_disp=0
boot_disp.output_type=3
boot_disp.output_mode=5
boot_disp.auto_hpd=1
disp0 device type(4) enable
attched ok, mgr0<-->device0, type=4, mode=5
      9.751]end
workmode = 0,storage type = 1
      9.751]MMC:        0
[mmc]: mmc driver ver 2016-07-01 15:50:00
[mmc]: boot_card_no error 1
SUNXI SD/MMC: 0
[mmc]: 50 MHz...
[mmc]: sample: 56 - 178(ps)
[mmc]: 100 MHz...
[mmc]: sample: 28 - 178(ps)
[mmc]: 200 MHz...
[mmc]: sample: 15 - 166(ps)
[mmc]: BPI: 0 CARD_TYPE_SD
[mmc]: media type 0x8000001
[mmc]: ************Try SD card 0************
[mmc]: host caps: 0x27
[mmc]: MID 27 PSN dab94f62
[mmc]: PNM SD16G -- 0x53-44-31-36-47
[mmc]: PRV 3.0
[mmc]: MDT m-6 y-2016
[mmc]: speed mode     : HSSDR52/SDR25
[mmc]: clock          : 50000000 Hz
[mmc]: bus_width      : 4 bit
[mmc]: user capacity  : 14804 MB
[mmc]: ************SD/MMC 0 init OK!!!************
[mmc]: erase_grp_size      : 0x1WrBlk*0x200=0x200 Byte
[mmc]: secure_feature      : 0x0
[mmc]: secure_removal_type : 0x0
      9.951]sunxi flash init ok
sunxi secure storage is not supported
      9.958]usb burn from boot
delay time 0
     10.049]usb prepare ok
     10.848]timer occur
     10.849]overtime
     10.882]do_burn_from_boot usb : no usb exist
--------fastboot partitions--------
-total partitions:7-
-name-        -start-       -size-
boot-res    : 1000000       1000000
env         : 2000000       100000
boot        : 2100000       800000
private     : 2900000       100000
misc        : 2a00000       100000
rootfs      : 2b00000       a000000
UDISK       : cb00000       0
-----------------------------------
base bootcmd=run setargs_nand boot_normal
bootcmd set setargs_mmc
key 46
cant find rcvy value
cant find fstbt value
misc partition found
to be run cmd=run setargs_mmc boot_normal
update dtb dram start
update dtb dram  end
sunxi_serial: serial_feature is not exist
serial is: 94507872c6181423060f
PowerBus = 2( 2:vBus 3:acBus other: not exist)
vbus dc exist, limit to dc
Battery Voltage=0, Ratio=0
power trigger
PreSysMode = 0x0
battery low power and vol with dc or ac, should charge longer
reading bat\bempty.bmp
** Unable to read file bat\bempty.bmp **
sunxi bmp info error : unable to open logo file bat\bempty.bmp
set next system normal
drv_disp_exit
[mmc]: MMC Device 2 not found
[mmc]: mmc 2 not find, so not exi▒

系统自己断电。。。。
红灯灭。