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Firmware

DH_SD-Mao-Rhea_Eng_P_Stream3_IVS_V2.422.0000.6.R.20170620.bin

Dahua firmware released Jun 20, 2017. May work with 19 devices, including CA-HZ1023UT, CA-HZ1031UT, CA-HZ2012T-S2.

Released
Jun 20, 2017
Version
V2.422.0000.6.R
Size
23.6 MB
Hardware
19 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
9f3536595aeca6b90278096fd17288bc
SHA-256
a1835d1f0fb7cbced41767b2e048b52af13f0da983f9b4bf83df92fde4af0467

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (19 devices).

Where these IDs come from
  • Install: the installer's device list (board families), 5 IDs, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 19 IDs

Technical details

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

SoC
Ambarella S3L
Architecture
arm
OEM build
General
Kernel
Linux 3.10.73
Bootloader
U-Boot 2010.06-svn4498
Flash
126.0 MB NAND
Image dates
Jun 20, 2017
Security
Not signed, not encrypted
Language & video
English by default · PAL
Flash layout: 15 partitions, 9 written by this firmware

From the firmware's partition table (partitionV2.txt).

PartitionStartEndSizeImageFilesystemBuilt
MinBoot0x00x1000001.0 MBdhboot-min.bin.img—2017-06-20
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2017-06-20
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2017-06-20
custom(ro)0x6000000x9400003.3 MBcustom-x.squashfs.imgsquashfs2017-06-20
product(ro)0x9400000xc800003.3 MBpd-x.squashfs.imgsquashfs2017-06-20
Kernel0xc800000x12000005.5 MBkernel.img—2017-06-20
romfs(ro)0x12000000x16000004.0 MBromfs-x.squashfs.imgsquashfs2017-06-20
web(ro)0x16000000x1e000008.0 MBweb-x.squashfs.imgsquashfs2017-06-20
user(ro)0x1e000000x3a8000028.5 MBuser-x.squashfs.imgsquashfs2017-06-20
lens0x71000000x72000001.0 MBnot written——
syslog0x72000000x76000004.0 MBnot writtenubi—
config0x76000000x7a000004.0 MBnot writtenubi—
backup0x7a000000x7e000004.0 MBnot writtenubi—

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