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Firmware

DH_IPC-HX8XXX-Demeter_Eng_P_Stream3_V2.420.0003.0.R.20151102.zip

Dahua firmware released Nov 2, 2015. May work with 19 devices, including IPC-HDBW8281-PC, IPC-HDBW8281-Z, IPC-HDBW8800.

Released
Nov 2, 2015
Version
V2.420.0003.0.R
Size
28.9 MB
Hardware
19 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
23f6cca94b2899da3baa0d5d70f78dd6
SHA-256
3260aeee2b4378c9bee28d70f0655158cad54520e7f93d687d235b4a84255a32

Where it's published

Compatible hardware

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

Where these IDs come from
  • check.img in DH_IPC-HX8XXX-Demeter_Eng_P_Stream3_V2.420.0003.0.R.20151102.bin: the device's own hardware check list, 19 IDs
  • Install in DH_IPC-HX8XXX-Demeter_Eng_P_Stream3_V2.420.0003.0.R.20151102.bin: the installer's device list (board families), 1 ID, vendor General (not counted: a more specific list exists)

Technical details

Read from inside the firmware (zip archive).

Architecture
arm
OEM build
General
Kernel
Linux 2.6.37_DM385_IPNC_3.50.00
Bootloader
U-Boot 2010.06-svn2859
Flash
126.0 MB
Image dates
Nov 2, 2015 to Mar 7, 2017
Security
Not signed, not encrypted
Language & video
English by default · PAL
Flash layout: 13 partitions, 8 written by this firmware

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

PartitionStartEndSizeImageFilesystemBuilt
U-Boot0x2000000x3000001.0 MBdhboot.bin.img—2015-11-02
hwid0x3000000x4000001.0 MBnot written——
updateflag0x4000000x5000001.0 MBnot written——
partition(ro)0x5000000x6000001.0 MBpartition-x.cramfs.imgcramfs2015-11-02
custom(ro)0x6000000x9800003.5 MBcustom-x.squashfs.imgsquashfs2015-11-02
product(ro)0x9800000xd000003.5 MBpd-x.squashfs.imgsquashfs2015-11-02
Kernel0xd000000x12000005.0 MBkernel.img—2015-11-02
romfs(ro)0x12000000x1a000008.0 MBromfs-x.squashfs.imgsquashfs2016-11-18
web(ro)0x1a000000x22000008.0 MBweb-x.squashfs.imgsquashfs2015-11-02
user(ro)0x22000000x3b8000025.5 MBuser-x.squashfs.imgsquashfs2017-03-07
syslog0x72000000x76000004.0 MBnot writtenubi—
config0x76000000x7a000004.0 MBnot writtenubi—
backup0x7a000000x7e000004.0 MBnot writtenubi—

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