Firmware
dh_sd-mao-rhea_eng_p_stream3_ivs_v2_622_0000000_2_r_171227.zip
Dahua firmware. May work with 19 devices, including CA-HZ1023UT, CA-HZ1031UT, CA-HZ2012T-S2.
- Size
- 27.4 MB
- Hardware
- 19 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
741648be901a53efb268402e024756a1- SHA-256
bd546812ea684596f60d95dd530a69e1015e9be2ce615bff104b259a53572496
Where it's published
Available from
Dahua
Dahua download center (2016-2018 files)
Current- Folder: Firmware/20180122
Compatible hardware
Hardware IDs this firmware's installer accepts (19 devices).
- CA-HZ1023UT
- CA-HZ1031UT
- CA-HZ2012T-S2
- CA-HZ2023T-S2
- CA-HZ2023UT
- CA-HZ2025T-S2
- CA-HZ2030T-S2
- CA-HZ4012T-S2
- CA-HZ4023T-S2
- CA-HZ4025T-S2
- PTZ1204T-GN-S2
- SD12200T-GN-28-S2
- SD12200T-GN-36-S2
- SD12203T-GN-S2
- SD22204T-GN-HK-S2
- SD22206T-GN-S2
- SD22404T-GN-S2
- SD29D206T-HNG-D-S2
- SD29D404T-HNG-D-S2
Where these IDs come from
- Install in DH_SD-Mao-Rhea_Eng_P_Stream3_IVS_V2.622.0000000.2.R.171227.bin: the installer's device list (board families), 5 IDs, vendor General (not counted: a more specific list exists)
- check.img in DH_SD-Mao-Rhea_Eng_P_Stream3_IVS_V2.622.0000000.2.R.171227.bin: the device's own hardware check list, 19 IDs
Technical details
Read from inside the firmware (zip archive).
- SoC
- Ambarella S3L
- Architecture
- arm
- OEM build
- General
- Kernel
- Linux 3.10.73
- Bootloader
- U-Boot 2010.06-svn5213
- Flash
- 126.0 MB NAND
- Image dates
- Dec 27, 2017
- Security
- 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).
| Partition | Start | End | Size | Image | Filesystem | Built |
|---|---|---|---|---|---|---|
| MinBoot | 0x0 | 0x100000 | 1.0 MB | dhboot-min.bin.img | — | 2017-12-27 |
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2017-12-27 |
| hwid | 0x300000 | 0x400000 | 1.0 MB | not written | — | — |
| updateflag | 0x400000 | 0x500000 | 1.0 MB | not written | — | — |
| partition(ro) | 0x500000 | 0x600000 | 1.0 MB | partition-x.cramfs.img | cramfs | 2017-12-27 |
| custom(ro) | 0x600000 | 0x940000 | 3.3 MB | custom-x.squashfs.img | squashfs | 2017-12-27 |
| product(ro) | 0x940000 | 0xc80000 | 3.3 MB | pd-x.squashfs.img | squashfs | 2017-12-27 |
| Kernel | 0xc80000 | 0x1200000 | 5.5 MB | kernel.img | — | 2017-12-27 |
| romfs(ro) | 0x1200000 | 0x1600000 | 4.0 MB | romfs-x.squashfs.img | squashfs | 2017-12-27 |
| web(ro) | 0x1600000 | 0x1e00000 | 8.0 MB | web-x.squashfs.img | squashfs | 2017-12-27 |
| user(ro) | 0x1e00000 | 0x3a80000 | 28.5 MB | user-x.squashfs.img | squashfs | 2017-12-27 |
| lens | 0x7100000 | 0x7200000 | 1.0 MB | not written | — | — |
| syslog | 0x7200000 | 0x7600000 | 4.0 MB | not written | ubi | — |
| config | 0x7600000 | 0x7a00000 | 4.0 MB | not written | ubi | — |
| backup | 0x7a00000 | 0x7e00000 | 4.0 MB | not written | ubi | — |
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