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Firmware

dh_ipc-hx5xxx-eos_eng_p_128m_stream3_v2.622.0000000.31.r.171214.bin

Dahua firmware released Dec 14, 2017. May work with 15 devices, including IPC-HDBW5231EP-Z, IPC-HDBW5231RP-Z, IPC-HDBW5431EP-Z.

Released
Dec 14, 2017
Version
V2.622.0000000.31
Size
32.0 MB
Hardware
15 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
20da01c237b5664b7414a48e1c949d59
SHA-256
93f89bea04bf3da0a3bea7f8ac42cf8b784504591dd6367c97cc9bcc9d06f560

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (15 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 15 IDs
  • Install: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)
  • check.img: the device's own hardware check list, 15 IDs

Technical details

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

SoC
HiSilicon Hi3516A
Architecture
arm
OEM build
General
Kernel
Linux 3.4.35
Bootloader
U-Boot 2010.06-svn4537
Flash
528.0 MB
Image dates
Dec 14, 2017
Security
Signed, not encrypted
Language & video
English by default · PAL
Flash layout: 14 partitions, 8 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2017-12-14
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2017-12-14
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2017-12-14
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2017-12-14
Kernel0xd000000x12000005.0 MBkernel.img—2017-12-14
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2017-12-14
web(ro)0x1a000000x22000008.0 MBweb-x.squashfs.imgsquashfs2017-12-14
user(ro)0x22000000x3b8000025.5 MBuser-x.squashfs.imgsquashfs2017-12-14
syslog0x72000000x76000004.0 MBnot writtenubi—
config0x76000000x7a000004.0 MBnot writtenubi—
backup0x7a000000x7e000004.0 MBnot writtenubi—
fpga0x200000000x2100000016.0 MBnot written——

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