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Firmware

DH_DVRxx04HF-X_Eng_P_V3.200.0000.0.R.20170803.zip

ASM firmware released Aug 3, 2017. May work with 7 devices, including DH, DH_N6, N6.

Released
Aug 3, 2017
Version
V3.200.0000.0.R
Size
13.7 MB
Hardware
7 devices

Download

Download firmware

Permanent copy on the Internet Archive (item page)

MD5
03aa5611ecc4eef54cf63ac97d09f1da
SHA-256
481b47ee4c2b75596032b9c4e89cbf2b00cd4de2f57fbc2a03eb2f07de6e377c

Where it's published

Compatible hardware

Hardware IDs this firmware's installer accepts (7 devices). Names with placeholders such as x or XXX are board families.

Where these IDs come from
  • Install.lua in DH_DVRxx04HF-X_Eng_P_V3.200.0000.0.R.20170803.bin: the installer script's board checks, 8 IDs

Technical details

Read from inside the firmware (zip archive).

Bootloader
U-Boot 1.3.1
Flash
16.0 MB
Image dates
Aug 8, 2017
Security
Signed, not encrypted
Flash layout: 7 partitions, 5 written by this firmware

From the recorder's Install.lua partition table.

PartitionStartEndSizeImageFilesystemBuilt
boot0xa00000000xa0040000256.0 KBu-boot.bin.img—2017-08-08
rootfs0xa00600000xa0ce000012.5 MBromfs-x.cramfs.imgsquashfs2017-08-08
web0xa0ce00000xa0e600001.5 MBweb-x.cramfs.imgsquashfs2017-08-08
custom0xa0e600000xa0e80000128.0 KBcustom-x.cramfs.imgcramfs2017-08-08
logo0xa0e800000xa0ec0000256.0 KBlogo-x.cramfs.imgcramfs2017-08-08
config0xa0ec00000xa0f40000512.0 KBnot written——
config10xa0f400000xa1000000768.0 KBnot written——

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