Difference between Hikvision 76xx and 78xx series

alastairstevenson

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Hello,
Both NVRs show similar utilisation - and both remain very responsive at both the GUI and command line and VGA/HDMI interfaces.
One has 6 IP cameras recording 1080P continuous and motion/intrusion etc detection, and another 2 720P cameras continuous recording, and is also feeding from PoE ports 5 1080P streams to another NVR and 3 1080P streams to a QNAP NAS with Surveillance Station. And it runs absolutely fine, no recording glitches, responsive UI, responsive at the command line, no errors in the logs, zero crashes.
As I said - I'm impressed with how well it performs.

I understand where you are coming from in your comments about the load averages.
But I believe you are comparing the figures with what you'd see on a Linux box sitting waiting for your next keystroke, or maybe browsing the net or downloading an update.
Compared with that, the NVR is a very busy box indeed, and it's normal to have a large number of items queued up ready for processing. Remember it's a real-time processing environment.
That does not necessarily mean it's overloaded - though it could do in other circumstances.
Remember also that the SoC has a fast and busy DSP on board that is used to do the hardware encoding and decoding of video, and is under control of the main CPUs which queue up its tasks.

To reinforce the statement that what's being seen is a consequence of the type of job the CPU is performing - take a look at the figures for an IP camera.
You will see a very similar picture, showing what you might consider some scarily high load averages. Though on the Hik cameras, the CPU is much more utilised, depending somewhat on what analytics have been configured and enabled.
Here is an example:

Mem: 87608K used, 7828K free, 0K shrd, 500K buff, 46728K cached
CPU: 30.2% usr 35.9% sys 0.0% nic 12.0% idle 0.0% io 0.0% irq 21.7% sirq
Load average: 6.04 5.85 6.20 1/152 30642
PID PPID USER STAT VSZ %VSZ CPU %CPU COMMAND
842 1 root S 406m435.2 0 85.6 {main} /home/davinci
30641 30639 root R 3072 3.2 0 0.9 top
4 2 root SW 0 0.0 0 0.5 [kworker/0:0]
826 1 root S 14972 15.6 0 0.1 /home/process/net_process
821 1 root S 6404 6.7 0 0.1 /home/process/daemon_fsp_app
5 2 root SW 0 0.0 0 0.1 [kworker/u:0]
3 2 root SW 0 0.0 0 0.1 [ksoftirqd/0]
30639 30638 root S 3072 3.2 0 0.0 -sh
610 1 root S 3072 3.2 0 0.0 -/bin/sh
1 0 root S 3068 3.2 0 0.0 init
609 1 root S 3068 3.2 0 0.0 /sbin/inetd -f -e /etc/inetd.conf
611 1 root S 3068 3.2 0 0.0 init
30638 613 root S 2856 2.9 0 0.0 /sbin/dropbear
613 1 root S 2500 2.6 0 0.0 /sbin/dropbear
825 1 root S 2072 2.1 0 0.0 /bin/execSystemCmd
384 1 root S < 1996 2.0 0 0.0 /sbin/udevd -d
712 2 root DW 0 0.0 0 0.0 [dsplogd]
60 2 root SW 0 0.0 0 0.0 [sync_supers]
343 2 root DW 0 0.0 0 0.0 [rxdma_check]
62 2 root SW 0 0.0 0 0.0 [bdi-default]
#
 

jesd03

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not sure how accurate this is but it was on one of the Australian forums:

8 Port Hikvision NVR – You can get it from the alibaba sellers listed above. Note: Only Buy 76XX series as that is for International Users. 78XX is for China and can have issues in future. For compatible HDD look at .....

not sure if am allowed to post links to other forums
 

alastairstevenson

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I have a couple of 78xxN-E2 NVRs bought from Aliexpress that were aimed at the Australian market - 7816N-E2/8P (lang=1) and 7816N-E2 (lang=2 (CN)). They have been fine, no problems.
On the 7816N-E2 I have installed as experiments various 3.0.8, 3.0.10, 3.2.1 78xxN-Ex firmware and all has been OK, accepting cameras with language=1.
Also 3.0.8 and 3.0.10 7616N-E2 firmware both EN, CN and ML versions.
When needed changing the firmware language with the really useful Hiktools utility if there is a complaint about 'language mismatch'.
The menus and the VGA/HDMI interface have all been able to operate at least in English so far.

This forum's admins are pretty good and favour open and helpful dialogue over excessive rules - I believe an external link to something helpful or useful or interesting would be fine.
These sort of statements without detail are not helpful
and can have issues in future.
 

glenncol

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not sure how accurate this is but it was on one of the Australian forums:

8 Port Hikvision NVR – You can get it from the alibaba sellers listed above. Note: Only Buy 76XX series as that is for International Users. 78XX is for China and can have issues in future. For compatible HDD look at .....

not sure if am allowed to post links to other forums
You will not find the 78xx series being sold anywhere else in the world besides China, i have had this information confirmed by Hikvision's Asia Pacific Sales Manager so thats why is on the wiki.
 
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alastairstevenson

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Yes, quite true, as far as I can tell.
You will not find the 78xx series being sold anywhere else in the world besides China
Which means the prices are low.
Which also reduces the chances of the firmware being messed with to make it work outside the China region ...
 

GMD99

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I see from the links that these NVR's have Australian power supplies which I believe is 230V 50Hz. Does anyone from North America have experience ordering one of these units?
 

scn101

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The different models either use a built in power supply or an external adapter. Either way both use an IEC standard cord and automatically adapt to 120V/60Hz.

Update: the DS-7816N-E1 that I just received came with a wall wart with USA prongs and an adapter for 220V.
 
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Hikvision DS-7104NI-Q1/4P/MT NVR

Bu cihazın işlemci ve RAM bilgisini nasıl öğrenebilirim? İşlemci üzerinde KY2017-5 yazıyor. Görüntülemek için hangi programı kullanabilirim? Yardımınızdan memnun olurum.
 

alastairstevenson

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How can I find out the processor and RAM information of this device? It says KY2017-5 on the processor. What program can I use to view it? I would appreciate your help.
If the web GUI under
Configuration | System | Security | Security Service tab allows you to enable SSH, then you should be able to see the kernel message log, which has useful details.
Use user=root and your admin password.
See the 'Machine type' and 'Kernel command line'

For example :

Code:
ssh root@192.168.1.213
root@192.168.1.213's password:
Protect Shell (psh)
Enter 'help' for a list of DVR/NVR system commands.

# dmesg
[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 3.10.0_hi3536 (root@CI-Backend-Slave-65-115) (gcc version 4.8.3 20131202 (prerelease) (Hisilicon_v400) ) #2 SMP Fri May 20 19:07:59 CST 2022
[    0.000000] setup for rdinit= is not allowed, disable it!
[    0.000000] setup for load_ramdisk= is not allowed, disable it!
[    0.000000] setup for nfsroot= is not allowed, disable it!
[    0.000000] setup for nfsaddrs= is not allowed, disable it!
[    0.000000] CPU: ARMv7 Processor [411fc0e1] revision 1 (ARMv7), cr=10c53c7d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine: hi3536
[    0.000000] cpldinfo offset[0x8e000], size[0x100].
[    0.000000] bootparam offset[0x8f000], size[0x200].
[    0.000000] Ignoring unrecognised tag 0x484b0004
[    0.000000] Ignoring unrecognised tag 0x484b0003
[    0.000000] Ignoring unrecognised tag 0x484b0005
[    0.000000] [HKBSP]no_a7:1.
[    0.000000] Uboot is not supported safe version:V0
[    0.000000] Add memory 0x20000000@0x40000000
[    0.000000] HIKBASE version ##76258[kernel:74730] v2.1.0 build 2022-5-20
[    0.000000] HIKBSP svnpath: baseline/branches/trunk-v2.3.2/hikbsp-v2@76258
[    0.000000] request_module: runaway loop modprobe fs-proc
[    0.000000] CMEM[10]: 0x4dd00000+0x00020000 reserve ok!
[    0.000000] CMEM[11]: 0x5ffe0000+0x00020000 reserve ok!
[    0.000000] Memory policy: ECC disabled, Data cache writealloc
[    0.000000] On node 0 totalpages: 131072
[    0.000000] free_area_init_node: node 0, pgdat 9459f4c0, node_mem_map 9460e000
[    0.000000]   Normal zone: 1024 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 131072 pages, LIFO batch:15
[    0.000000] PERCPU: Embedded 7 pages/cpu @94a12000 s7360 r8192 d13120 u32768
[    0.000000] pcpu-alloc: s7360 r8192 d13120 u32768 alloc=8*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 130048
[    0.000000] Kernel command line: mem=512M console=ttyS0,115200n8 noinitrd ip=192.0.0.64:192.0.0.128:192.0.0.1:255.255.255.0:Hik-eth:eth1:none
[    0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Memory: 512MB = 512MB total
[    0.000000] Memory: 496804k/496804k available, 27484k reserved, 0K highmem
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
[    0.000000]     vmalloc : 0xb3800000 - 0xff000000   (1208 MB)
[    0.000000]     lowmem  : 0x93000000 - 0xb3000000   ( 512 MB)
[    0.000000]     pkmap   : 0x92e00000 - 0x93000000   (   2 MB)
[    0.000000]     modules : 0x92000000 - 0x92e00000   (  14 MB)
[    0.000000]       .text : 0x93008000 - 0x93671314   (6565 kB)
[    0.000000]       .init : 0x93672000 - 0x9455fcc0   (15288 kB)
[    0.000000]       .data : 0x94560000 - 0x945a0140   ( 257 kB)
[    0.000000]        .bss : 0x945a0140 - 0x9460d318   ( 437 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
 
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