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Connect to UART port and power up the device. Hold any key till you will see << MStar >> prompt.

U-Boot 1.1.6 (Jul 15 2011 - 08:23:38)

Board: MSTAR KRNOUS (CPU Speed 552 MHz)
DRAM:  64 X 0 MBytes
U-Boot is running at DRAM 0x87600000
Module: USB FAT FLASH SPI LOGO OSD ENV=SERIAL 
Flash is detected (0x0502, 0xC2, 0x20, 0x16)
MDrv_SERFLASH_GetInfo()
u32AccessWidth = 1
u32TotalSize   = 4194304
u32SecNum      = 64
u32SecSize     = 65536
In:    serial
Out:   serial
Err:   serial
MSVC00B000100100208768TH0000000T
[do_set_paneltype][559] is invoked!! 
MDrv_PNL_Init u32PnlRiuBaseAddr = BF200000
MDrv_PNL_Init u32PMRiuBaseAddr = BF000000
MDrv_HDMITx_Init
Get IOMAP ID:300 Base:BF000000!
MDrv_HDMITx_SetHDMITxMode: HDMI mode 
DAC eTiming =6
HDMITx eTiming =7
MDrv_HDMITx_Exhibit: Create Check Rx timer success!
HDMITx eTiming =7
=>cmd: spi_rdc 0x80B2C000 0x20000 0x80
offset 0x20000, size 0x80
WARNING: it is better to set dram start addr aligned to 65536 !!!
WARNING: it is better to set total length aligned to 65536 !!!
Flash is detected (0x0502, 0xC2, 0x20, 0x16)
initialization done!
logo addr in spi: 0xBFC70000; logo size:0x1E528
=>cmd: spi_rdc 0x80B2C000 0x70000 0x1E528
offset 0x70000, size 0x1E528
WARNING: it is better to set dram start addr aligned to 65536 !!!
WARNING: it is better to set total length aligned to 65536 !!!
u32ReadBuffVirAddr = A0000000, u32IntBuffVirAddr = A0100000, u32OutBuffVirAddr = A0730000
verJPD_SetStatus >>>>>>>>>>> w:720,  h:576,  p:720
GFX init--
GE_SetOnePixelMode
Hit any key to stop autoboot:  0  0

<< MStar >>#


Now insert USB drive and enter commands:

<< MStar >># usb reset 0
<< MStar >># fatwrite usb 0 0xBFC00000 backup.bin 0x400000
<< MStar >># usb stop

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