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michael vincerra 830f35e59c Remove UEFI requirement per clr-installer release. (#1208)
* Remove UEFI requirement per clr-installer release.
- https://github.com/clearlinux/clr-installer/pull/666
- Closes #1207

Signed-off-by: michael vincerra <michael.vincerra@intel.com>

* Add hyperlink ref to clr-boot-manager readme for expl and options.

Signed-off-by: michael vincerra <michael.vincerra@intel.com>
2020-10-06 11:25:00 -07:00

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.. _system-requirements:
Recommended minimum system requirements
#######################################
|CL-ATTR| can run on most modern hardware and is capable of running with
modest hardware resources. Out of the box, |CL| can run on a single CPU core,
1 GB RAM, and minimum of disk space of:
* 4 GB for the *live server*
* 20 GB for the *live desktop*
.. caution::
Advanced users who wish to install on a disk using less than the recommended
space requirements may use the flag ``--skip-validation-size``. Use of this
flag may cause the installation to fail due to inadequate disk space.
For use cases requiring minimal resources, |CL| :ref:`about <about>` can
be used to create a highly customized installation that can even run on a
system with a 128MB of memory and 600MB of disk space, for example.
Installer requirements
**********************
The *live desktop* installer requires at least 1 GB of RAM because more
resources are required to run in live mode than after |CL| is installed onto
persistent storage.
For hardware with less resources, use the *live server* installer because it
has a smaller memory footprint.
See https://clearlinux.org/downloads for more download options.
System requirements
*******************
|CL| requires an x86 64-bit processor which supports Intel® Streaming SIMD
Extensions 4.2 (Intel® SSE 4.2).
For information on the boot loader, see the `clr-boot-manager readme`_ .
The |CL| installer performs a system compatibility check upon booting. To
manually verify system compatibility with |CL|, run the :ref:`compatibility
check tool<compatibility-check>` or go to http://ark.intel.com and check for
these features:
* Instruction Set:
- 64-bit
* Instruction Set Extensions:
- Supplemental Streaming SIMD Extension 3 (SSSE3)
- Intel® Streaming SIMD Extensions 4.1 (Intel® SSE 4.1)
- Intel® Streaming SIMD Extensions 4.2 (Intel® SSE 4.2)
- Carry-less Multiplication (PCLMUL)
The following processor families have been verified to run |CL|:
* Intel® Core™ processor family (2nd generation or greater)
* Intel® Xeon® E3-xxxx processor
* Intel® Xeon® E5-xxxx processor
* Intel® Xeon® E7-xxxx processor
* Intel Atom® processor C Series
* Intel Atom® processor E Series
Recommended configurations
**************************
For general |CL| desktop use the recommended minimum requirements include:
========= ===============================
Component Configuration
--------- -------------------------------
Processor Compatible x86 64-bit processor
--------- -------------------------------
Memory 4GB RAM
--------- -------------------------------
Disk 20 GB
--------- -------------------------------
Graphics Device with openGL support (e.g. Intel HD/UHD Graphics)
--------- -------------------------------
Network Active Internet connection
========= ===============================
*Intel, Intel Core, Xeon, Intel Atom, and the Intel logo are trademarks of
Intel Corporation or its subsidiaries.*
.. _clr-boot-manager readme: https://github.com/clearlinux/clr-boot-manager