intel chip support list
Printed From: ASRock.com
Category: Media & User's Review
Forum Name: Intel Motherboards
Forum Description: ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=2764
Printed Date: 17 Sep 2025 at 5:25pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: intel chip support list
Posted By: gypsycomp
Subject: intel chip support list
Date Posted: 02 Jun 2016 at 2:03am
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ASRock provides a cpu support list for their MBs. After each cpu name is the nomelnclature (RO) or (SO). ASRock tech support was less than able to tell me what RO and SO mean. Does anyone here know what RO and SO mean? CPU list http://www.asrock.com/mb/Intel/H170%20Pro4/?cat=CPU" rel="nofollow - http://www.asrock.com/mb/Intel/H170%20Pro4/?cat=CPU
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Replies:
Posted By: parsec
Date Posted: 06 Jun 2016 at 2:21am
The R0 or S0 (that is '0', not 'O') are CPU Core Steppings. Core Steppings are slightly different versions of a model of CPU, that the manufacture (Intel) releases during the production lifetime of a processor. A newer Core Stepping version of a processor will have fixes to small or unusual problems that the manufacture learns of during the life of a processor. ASRock includes the Core Stepping information in the CPU Support list to indicate they have tested the new CPU Core Stepping version with a board and BIOS versions. There is no need to worry about Core Stepping versions usually, since the change is very small. You'll see that Intel does not list separate Core Stepping versions of their processors in their processor information on the Internet. ------------- http://valid.x86.fr/48rujh" rel="nofollow"> 
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gypsycomp wrote:Posted By: gypsycomp
Date Posted: 08 Jun 2016 at 5:03am
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So SO must be better than RO. How can you say, "don't worry," as some of the newer games use a lot of math and algorithms which might have an effect on processing with out this change. I guess I will have to go to Intel to find out what SO and RO men, and which one is newer.
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Posted By: Xaltar
Date Posted: 08 Jun 2016 at 6:15am
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Just dropped in to say, newer is not always better. A change in stepping can also often be optimization or removal of features that either generate heat or resulted in die failures at the manufacturing end. A new stepping may even be designed for cost effectiveness and be somewhat gimped. In most cases however the actual real world impact of these changes is imperceptible as Parsec stated. In the case of Skylake I suspect it simply refers to the 2 different die sizes used on the Socket 1151 platform, R0 for large core (4 cores with or without hyperthreading) and SO for small core (2 cores with or without hyperthreading). At least that fits the chart with the exception of the i3 6098P but given it's higher TDP I suspect it is harvested from the same 4 core die used in i5s and i7s but has 2 cores disabled. This is speculative on my part based on experience and track record. Now if and when more steppings begin to show up then we may be looking at optimizations/refinements and fixes. ------------- 
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Posted By: gypsycomp
Date Posted: 08 Jun 2016 at 11:16am
| Thank you both. |