Firmware
IP2M-846E_IP2M-848E_IP2M-850E_V2.400.AC02.0.R.20161208.zip
Amcrest firmware released Dec 8, 2016. May work with 8 devices, including CA-HZ1020TA, CA-HZ2012T, CA-HZ2020TA.
- Released
- Dec 8, 2016
- Version
- V2.400.AC02.0.R
- Size
- 22.1 MB
- Hardware
- 8 devices
Download
Permanent copy on the Internet Archive (item page)
- MD5
4c07bf2c62c769e8eaee34efbc6dcbf6- SHA-256
d302a823cd6b46fca23626dd0ff840be1b6495779160dbf953c45d74bb95d331
Where it's published
Recovered from the Wayback Machine
Amcrest
Wayback Machine (s3.amazonaws.com)
Wayback copyCaptured Aug 1, 2018 from
https://s3.amazonaws.com/amcrest-files/Firmware/IP2M-846E_IP2M-848E_IP2M-850E_V2.400.AC02.0.R.20161208.zip- Recovered from the Wayback Machine (captured 2018-08-01)
V2.400.AC02.0.R · Listed date Dec 8, 2016
Compatible hardware
Hardware IDs this firmware's installer accepts (8 devices).
Where these IDs come from
- Install in Amcrest_SD-Mao-Themis_Eng_N_Stream3_P2P_AMCREST_V2.400.AC02.0.R.20161208.bin: the installer's device list (board families), 5 IDs, vendor Amcrest (not counted: a more specific list exists)
- check.img in Amcrest_SD-Mao-Themis_Eng_N_Stream3_P2P_AMCREST_V2.400.AC02.0.R.20161208.bin: the device's own hardware check list, 8 IDs
Technical details
Read from inside the firmware (zip archive).
- SoC
- Ambarella: one of S2LM, S2L
- Architecture
- arm
- OEM build
- Amcrest
- Kernel
- Linux 3.10.50
- Bootloader
- U-Boot 2010.06-svn3006
- Flash
- 126.0 MB NAND
- Image dates
- Dec 8, 2016
- Security
- Not signed, not encrypted
- Language & video
- English by default · NTSC
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 | — | 2016-12-08 |
| U-Boot | 0x200000 | 0x300000 | 1.0 MB | dhboot.bin.img | — | 2016-12-08 |
| 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 | 2016-12-08 |
| custom(ro) | 0x600000 | 0x940000 | 3.3 MB | custom-x.squashfs.img | squashfs | 2016-12-08 |
| product(ro) | 0x940000 | 0xc80000 | 3.3 MB | pd-x.squashfs.img | squashfs | 2016-12-08 |
| Kernel | 0xc80000 | 0x1200000 | 5.5 MB | kernel.img | — | 2016-12-08 |
| romfs(ro) | 0x1200000 | 0x1600000 | 4.0 MB | romfs-x.squashfs.img | squashfs | 2016-12-08 |
| web(ro) | 0x1600000 | 0x1e00000 | 8.0 MB | web-x.squashfs.img | squashfs | 2016-12-08 |
| user(ro) | 0x1e00000 | 0x3a80000 | 28.5 MB | user-x.squashfs.img | squashfs | 2016-12-08 |
| 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 | — |
Related firmware
Other files for much of the same hardware, from any vendor.
- Amcrest_SD-Mao-Themis_Eng_N_Stream3_P2P_AMCREST_V2.400.AC07.0.T.20180511.bin
Released May 11, 2018 · V2.400.AC07.0.T · 8 devices · Amcrest
- Amcrest_SD-Mao-Themis_Eng_N_Stream3_P2P_AMCREST_V2.400.AC03.0.R.20170317+(1).bin
Released Mar 17, 2017 · V2.400.AC03.0.R · 8 devices · Amcrest
- IP2M-846E_IP2M-848E_IP2M-850E_V2.400.AC03.0.R.20170317.zip
Released Mar 17, 2017 · V2.400.AC03.0.R · 8 devices · Amcrest
- General_SD-Mao-Themis_Eng_P_Stream3_P2P_IVS_V2.400.0001.0.R.20170218.bin
Released Feb 18, 2017 · V2.400.0001.0.R · 9 devices · ASM
- DH_SD-Mao-Themis_EngSpnFrn_N_Stream3_IVS_V2.400.0001.0.R.20160816.bin
Released Aug 16, 2016 · V2.400.0001.0.R · 8 devices · Dahua
- DH_SD-Mao-Themis_EngSpnFrn_N_Stream3_V2.400.0001.0.R.20160816.bin
Released Aug 16, 2016 · V2.400.0001.0.R · 8 devices · Dahua
- Amcrest_SD-Mao-Themis_Eng_N_Stream3_P2P_AMCREST_V2.400.AC01.0.R.20160804.bin
Released Aug 4, 2016 · V2.400.AC01.0.R · 8 devices · Amcrest
- DH_SD-Mao-Themis_Eng_N_Stream3_IVS_V2.400.0000.16.R.20160517-8edfd0c5.zip
Released May 17, 2016 · V2.400.0000.16.R · 9 devices · Dahua