# AGX Orin 64GB cpus is less than 12

**URL:** <https://forums.developer.nvidia.com/t/agx-orin-64gb-cpus-is-less-than-12/366792>\
**Category:** Jetson AGX Orin\
**Tags:** board-design, kernel\
**Created:** [April 16, 2026, 9:53am UTC](https://forums.developer.nvidia.com/t/agx-orin-64gb-cpus-is-less-than-12/366792 "2026-04-16T09:53:38Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Momomo](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/momomo/32/471526_2.png) [@Momomo](https://forums.developer.nvidia.com/u/Momomo)\
**Post date:** [April 16, 2026, 9:53am UTC](https://forums.developer.nvidia.com/t/agx-orin-64gb-cpus-is-less-than-12/366792/1 "2026-04-16T09:53:38Z")

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I use jetson linux r36.5 to bring up my carrier board, only 8 cpus online, others offline, how to fix it? thanks

```auto
root@tegra-ubuntu:~# lscpu
Architecture: aarch64
  CPU op-mode(s): 32-bit, 64-bit
  Byte Order: Little Endian
CPU(s): 12
  On-line CPU(s) list: 0-7
  Off-line CPU(s) list: 8-11
Vendor ID: ARM
  Model name: Cortex-A78AE
    Model: 1
    Thread(s) per core: 1
    Core(s) per cluster: 4
    Socket(s): 1
    Cluster(s): 2
    Stepping: r0p1
    CPU max MHz: 2201.6001
    CPU min MHz: 115.2000
    BogoMIPS: 62.50
    Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics 
                             fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp usc
                             at ilrcpc flagm paca pacg
Caches (sum of all):         
  L1d: 512 KiB (8 instances)
  L1i: 512 KiB (8 instances)
  L2: 2 MiB (8 instances)
  L3: 4 MiB (2 instances)
NUMA:                        
  NUMA node(s): 1
  NUMA node0 CPU(s): 0-7
Vulnerabilities:             
  Gather data sampling: Not affected
  Indirect target selection: Not affected
  Itlb multihit: Not affected
  L1tf: Not affected
  Mds: Not affected
  Meltdown: Not affected
  Mmio stale data: Not affected
  Reg file data sampling: Not affected
  Retbleed: Not affected
  Spec rstack overflow: Not affected
  Spec store bypass: Mitigation; Speculative Store Bypass disabled via p
                             rctl
  Spectre v1: Mitigation; __user pointer sanitization
  Spectre v2: Mitigation; CSV2, BHB
  Srbds: Not affected
  Tsx async abort: Not affected

```

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**Author:** ![WayneWWW](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/waynewww/32/14043_2.png) [@WayneWWW](https://forums.developer.nvidia.com/u/WayneWWW)\
**Post date:** [April 16, 2026, 9:59am UTC](https://forums.developer.nvidia.com/t/agx-orin-64gb-cpus-is-less-than-12/366792/2 "2026-04-16T09:59:55Z")

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> **[/etc/nvpmodel.conf - Test Plan and Validation — NVIDIA Jetson Linux Developer...](https://docs.nvidia.com/jetson/archives/r36.5/DeveloperGuide/SD/TestPlanValidation.html#nvpmodel-power-modes)**
>
> This section provides information about the Flash and Boot test cases.

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<div class="post-metadata">

**Author:** ![Momomo](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/momomo/32/471526_2.png) [@Momomo](https://forums.developer.nvidia.com/u/Momomo)\
**Post date:** [April 16, 2026, 10:09am UTC](https://forums.developer.nvidia.com/t/agx-orin-64gb-cpus-is-less-than-12/366792/3 "2026-04-16T10:09:09Z")

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yes， I already use the guide to flash, but cpu is less, how to fix it?

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<div class="post-metadata">

**Author:** ![WayneWWW](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/waynewww/32/14043_2.png) [@WayneWWW](https://forums.developer.nvidia.com/u/WayneWWW)\
**Post date:** [April 16, 2026, 12:02pm UTC](https://forums.developer.nvidia.com/t/agx-orin-64gb-cpus-is-less-than-12/366792/4 "2026-04-16T12:02:59Z")

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Hi,

Not sure what you read here. I am not talking about flash.  
The document is for nvpmodel.

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<div class="post-metadata">

**Author:** ![Momomo](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/momomo/32/471526_2.png) [@Momomo](https://forums.developer.nvidia.com/u/Momomo)\
**Post date:** [April 17, 2026, 2:44am UTC](https://forums.developer.nvidia.com/t/agx-orin-64gb-cpus-is-less-than-12/366792/6 "2026-04-17T02:44:45Z")

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get it, I can config it here to get conf file:

> **[NVIDIA](https://static-login.nvidia.com/service/default/index.html?redirect_uri=https%3A%2F%2Flogin.nvidia.com%2Fcallback%2Femail&state=PwKKefdA99eRGKN56i2IQDTarmS2Mjwi9TnmhgxRjgch_C2m_piru791uXfwTmaAltRh_OUsB6NDOuGdTFJmyg)**

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**Author:** ![system](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/system/32/68080_2.png) [@system](https://forums.developer.nvidia.com/u/system)\
**Post date:** [May 1, 2026, 2:45am UTC](https://forums.developer.nvidia.com/t/agx-orin-64gb-cpus-is-less-than-12/366792/7 "2026-05-01T02:45:16Z")

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