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Firmware

General_SD-Adreia_Eng_N_Stream3_V2.420.0001.0.R.20140607.bin

DH Vision firmware released Jun 7, 2014. May work with 35 devices, including CA-HZ1020A-N, CA-HZ1020S1, CA-HZ1020T.

Released
Jun 7, 2014
Version
V2.420.0001.0.R
Size
29.1 MB
Hardware
35 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
662712b3f4d4e76f8550f1115651ae25
SHA-256
102e7e64db7bc6ec72b15386ce9a60805ea2bacb7f21930798afde9c2c028925

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (35 devices).

Where these IDs come from
  • Install: the installer's device list (board families), 4 IDs, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 35 IDs

Technical details

Read from inside the firmware (dahua package (zip variant)).

SoC
Ambarella
Architecture
arm
OEM build
General
Kernel
Linux 2.6.38.8
Bootloader
U-Boot 2010.06-svn352
Flash
126.0 MB
Image dates
Jun 7, 2014
Security
Not signed, not encrypted
Language & video
English by default · NTSC
Flash layout: 13 partitions, 8 written by this firmware

From the firmware's partition table (partition.txt).

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2014-06-07
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2014-06-07
custom0x6000000x9400003.3 MBcustom-x.ubifs.imgubi2014-06-07
product0x9400000xc800003.3 MBpd-x.ubifs.imgubi2014-06-07
Kernel0xc800000x12000005.5 MBkernel.img—2014-06-07
romfs0x12000000x1a000008.0 MBromfs-x.ubifs.imgubi2014-06-07
web0x1a000000x22000008.0 MBweb-x.ubifs.imgubi2014-06-07
user0x22000000x3b8000025.5 MBuser-x.ubifs.imgubi2014-06-07
syslog0x72000000x76000004.0 MBnot written——
config0x76000000x7a000004.0 MBnot written——
backup0x7a000000x7e000004.0 MBnot written——

Other files for much of the same hardware, from any vendor.