Contents: [Dobrica Pavlinušić's random unstructured stuff]
• Dobrica Pavlinušić's random unstructured stuff (dmesg) 
• Dobrica Pavlinušić's random unstructured stuff (firmware extracting) 
• Dobrica Pavlinušić's random unstructured stuff (firmware download and binwalk) 

ChinaChip CC1800‑A
http://www.dingux.com/2011/03/running‑code‑on‑ga330.html 
dmesg
[164083.920115] usb 1-1: new high-speed USB device number 14 using ehci-pci
[164084.069506] usb 1-1: New USB device found, idVendor=07c4, idProduct=a4a5
[164084.069513] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=1
[164084.069516] usb 1-1: SerialNumber: A00A00A00A00
[164084.075555] usb-storage 1-1:1.0: USB Mass Storage device detected
[164084.109544] usb-storage 1-1:1.0: Quirks match for vid 07c4 pid a4a5: 420
[164084.132100] scsi5 : usb-storage 1-1:1.0
[164085.142318] scsi 5:0:0:0: Direct-Access     ONDA MP4  PLAYER               PQ: 0 ANSI: 0
[164085.142774] scsi 5:0:0:1: Direct-Access     ONDA MP4  PLAYER               PQ: 0 ANSI: 0
[164085.143181] sd 5:0:0:0: Attached scsi generic sg1 type 0
[164085.143560] sd 5:0:0:1: Attached scsi generic sg2 type 0
[164085.143877] sd 5:0:0:0: [sdb] 16179200 512-byte logical blocks: (8.28 GB/7.71 GiB)
[164085.145277] sd 5:0:0:0: [sdb] Write Protect is off
[164085.145287] sd 5:0:0:0: [sdb] Mode Sense: 00 06 00 00
[164085.147025] sd 5:0:0:0: [sdb] Asking for cache data failed
[164085.147032] sd 5:0:0:0: [sdb] Assuming drive cache: write through
[164085.147930] sd 5:0:0:1: [sdc] Attached SCSI removable disk
[164085.152030]  sdb:
[164085.155629] sd 5:0:0:0: [sdb] Attached SCSI removable disk

firmware extracting
• tools from http://forum.xda‑developers.com/showpost.php?p=28329544&postcount=1 
dpavlin@x200:/x200/Onda-VX575HD/imgRePacker_W201_L100$ ./imgrepacker ../ftp.onda.cn/download/driver/oamp3/VX575HD/VX575HD_V1.02.img

        imgRePacker (version 1.00 linux)
        LiveSuit's firmware image unpacker/packer

        (c) RedScorpio, Moscow, 2012
            RedScorpio@land.ru

        ==========================[ START ]==========================

        --- Firmware unpacking ---

        File "../ftp.onda.cn/download/driver/oamp3/VX575HD/VX575HD_V1.02.img"   was read

        - image.cfg creating -
        image.cfg created
        Can't check "sys_config"

        - Files extracting -
        "eFex/sys_config.fex"           extracted
        "eFex/split_c43a2a92-a8ed-4f92-abdb-ca0d5d29666d.bin"           decrypted
        "eFex/tools.fex"                extracted
        "eFex/fes_1.fex"                extracted
        "eFex/fes_2.fex"                extracted
        "eFex/fes.fex"          extracted
        "eGon/Boot0.bin"                decrypted
        "eGon/Boot1.bin"                decrypted
        "eFex/HW_scan.axf"              decrypted
        "eFex/update_Boot0.axf"         decrypted
        "eFex/update_Boot1.axf"         decrypted
        "eFex/fet_restore.axf"          decrypted
        "eFex/magic_cr_start.fex"               extracted
        "eFex/magic_cr_end.fex"         extracted
        "eFex/magic_de_start.fex"               extracted
        "eFex/magic_de_end.fex"         extracted
        "eFex/fed_nand.axf"             decrypted
        "setup/zdisk.img"               decrypted
                - Internal image (zdisk.img) processing -
                - zdisk.cfg creating -
                zdisk.cfg created
        "eFex/verify.fex"               extracted
        "setup/rootfs.az"               extracted
                - AZXMAGIC processing (rootfs.az) -
                AZKey don't found in "rootfs.az" (use "/8600" key for packing)
                rootfs.az.iso.lzma created
        -------------------------------------------------------------
                Run XZ archivator (unpacking)
        -------------------------------------------------------------
                rootfs.az.iso created
        "setup/startup1.bmp"            extracted
        "setup/startup2.bmp"            extracted
        "setup/startup3.bmp"            extracted
        "setup/startup4.bmp"            extracted

        - Filelist.txt creating -
        Filelist.txt created

        ==========================[ STOP  ]==========================

firmware download and binwalk

dpavlin@x200:/x200/Onda-VX575HD$ wget -m ftp://ftp.onda.cn/download/driver/oamp3/VX575HD/VX575HD*.img
dpavlin@x200:/x200/Onda-VX575HD/ftp.onda.cn/download/driver/oamp3/VX575HD$ binwalk -B -H -G *.img

Scan Time:     2015-01-30 18:29:59
Target File:   VX575HD_VX585_FLASH_TOOLS.img
MD5 Checksum:  99b941b405409a829ada43eee3736532

DECIMAL       HEXADECIMAL     HEURISTIC ENTROPY ANALYSIS
--------------------------------------------------------------------------------
2048          0x800           Moderate entropy data, best guess: compressed, size: 17408, 102 low entropy blocks
34816         0x8800          High entropy data, best guess: encrypted, size: 65536, 0 low entropy blocks
105472        0x19C00         Moderate entropy data, best guess: compressed, size: 25600, 5 low entropy blocks
151552        0x25000         High entropy data, best guess: encrypted, size: 32768, 0 low entropy blocks
211968        0x33C00         High entropy data, best guess: encrypted, size: 21504, 0 low entropy blocks
236544        0x39C00         Moderate entropy data, best guess: compressed, size: 140288, 7 low entropy blocks
384000        0x5DC00         High entropy data, best guess: encrypted, size: 16384, 0 low entropy blocks
415744        0x65800         Moderate entropy data, best guess: compressed, size: 56320, 2 low entropy blocks
494592        0x78C00         Moderate entropy data, best guess: compressed, size: 56320, 2 low entropy blocks
579584        0x8D800         Moderate entropy data, best guess: compressed, size: 53248, 2 low entropy blocks
655360        0xA0000         High entropy data, best guess: encrypted, size: 9106432, 0 low entropy blocks
9782272       0x954400        High entropy data, best guess: encrypted, size: 13312, 0 low entropy blocks
9816064       0x95C800        High entropy data, best guess: encrypted, size: 13312, 0 low entropy blocks

• https://www.mp4nation.net/forum/onda‑vx575hd‑t10249.html 
• https://www.mp4nation.net/forum/onda‑vx575hd‑t10249s30.html 
VX575HD v1.02 beta version of the firmware
Updated 2009‑09‑24
 Support Type VX575HD
1. Add files to copy, paste, cut function; 
 2. New e‑book reading function of vertical screen; 
 3. New Sleep off function; 
 4. Added support for Traditional Chinese support
firmware download > ftp://ftp.onda.cn/download/driver/oamp3  ... _V1.02.img (right click > save as..)
livesuite download > ftp://ftp.onda.cn/download/driver/oamp3  ... veSuit.rar (right click > save as..)
Note: 
 1. Firmware upgrade must upgrade tool, please download the firmware upgrade tool file. 
 2. Firmware upgrade method, see the firmware upgrade tool documentation. 
 3. Test version of the firmware, there may be BUG, only for experienced users to download a trial.