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Firmware

General_IPC-HX2(1)XXX-Sag_Eng_PN_V2.622.0000000.8.R.180731.bin

Dahua firmware released Jul 31, 2018. May work with 7 devices, including IPC-HDBW1831R, IPC-HDBW1831R-S, IPC-HDBW2831R-ZAS-3711.

Released
Jul 31, 2018
Version
V2.622.0000000.8.R
Size
28.7 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
aae96607bd0c7fddbf1a053720f48851
SHA-256
efd62294d850c5b8ce04775a5edb210755e1c749069adc9f49d958c217822054

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (7 devices).

Where these IDs come from
  • hwid: the device's own hardware check list, 7 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, 7 IDs

Technical details

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

Architecture
arm
OEM build
General
Kernel
Linux 3.0.8+
Bootloader
U-Boot 2010.06-svn5967
Flash
127.0 MB
Image dates
Jul 31, 2018
Security
Signed
Language & video
English by default · PAL
Flash layout: 24 partitions, 10 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2018-07-31
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2018-07-31
custom(ro)0x6000000x7000001.0 MBcustom-x.squashfs.imgsquashfs2018-07-31
product(ro)0x7000000x8000001.0 MBpd-x.squashfs.imgsquashfs2018-07-31
Kernel0x8000000xa800002.5 MBkernel.img—2018-07-31
romfs(ro)0xa800000xc000001.5 MBromfs-x.squashfs.imgsquashfs2018-07-31
web(ro)0xc000000x14000008.0 MBweb-x.squashfs.imgsquashfs2018-07-31
user(ro)0x14000000x210000013.0 MBuser-x.squashfs.imgsquashfs2018-07-31
Kernelslv(ro)0x21000000x23800002.5 MBkernelslv.img—2018-07-31
romfsslv(ro)0x23800000x3c0000024.5 MBromfsslv-x.squashfs.imgsquashfs2018-07-31
backpart0x3c000000x3d000001.0 MBnot written——
backcustom0x3d000000x3e000001.0 MBnot written——
backproduct0x3e000000x3f000001.0 MBnot written——
backkernel0x3f000000x41800002.5 MBnot written——
backromfs0x41800000x43000001.5 MBnot written——
backweb0x43000000x4b000008.0 MBnot written——
backuser0x4b000000x580000013.0 MBnot written——
backKernelslv0x58000000x5a800002.5 MBnot written——
backromfsslv0x5a800000x730000024.5 MBnot written——
syslog0x73000000x77000004.0 MBnot writtenubi—
config0x77000000x7b000004.0 MBnot writtenubi—
backup0x7b000000x7f000004.0 MBnot writtenubi—

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