RAM slot choice
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=11345
Printed Date: 27 Dec 2024 at 12:30pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: RAM slot choice
Posted By: 8EN317
Subject: RAM slot choice
Date Posted: 21 Apr 2019 at 2:50am
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Hello. I have some problems with my dual channel memories. B450M Pro4 board, Patriot Viper Elite series RAM-kit, ryzen 2200g cpu. The shop which assembled the computer, installed the rams into slots A1B1, whereas the manual clearly states A2B2 for optimal speed (2933+). I tried moving them to A2B2, but, PC would not boot, it's just black screen, without having access to BIOS. Would removing-reinstalling CMOS battery help, or should I just leave the sticks in A1B1? The shop told me it does not matter, but I guess the manual should be correct. Is there anyone who actually tried A1B1 with 2933+ mhz rams and got them working? Thanks in advance for the input. 
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Replies:
Posted By: xhue
Date Posted: 21 Apr 2019 at 3:05am
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Try them again in A2/B2. Make sure they click properly. DDR4 slots are tricky. If the memory model is in the QVL, they should work equally well in A1/B1. My guess is that A2/B2 have better PCB traces for lower noise and crosstalk. If you wish to go with 2/B2, unplug the power cord from the wall, remove the CMOS battery and press the power button for 15 seconds. Put back the battery and plug the power cord. Your PC should boot now. |
Posted By: 8EN317
Date Posted: 21 Apr 2019 at 3:30am
thanks, will do : ) probably only next weekend due to not being home. 
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Posted By: 8EN317
Date Posted: 21 Apr 2019 at 5:09pm
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Oh and one more question. If I have to remove the gpu to access to the battery, will my PC recognize the GPU after the cmos battery removal-reinstall? I'll se whether I can get the battery out without removing the graphics card, but as far as I remember, it's not really accessable. Thanks in advance for the assistance |
Posted By: xhue
Date Posted: 21 Apr 2019 at 5:31pm
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It doesn't matter if you remove the GPU or any other thing. When you clear the CMOS, you are basically telling your BIOS to re-enumerate all hardware and peripherals once again on the next boot. So, as long as everything is in place BEFORE you boot, it should be fine. P.S. always make sure all cables and cards are seating well in their slots. Often when tinkering around one accidentally nudges a connector or something. |