Z390 Phantom Gaming 9 clear CMOS
Printed From: ASRock.com
Category: Technical Support
Forum Name: Intel Motherboards
Forum Description: Question about ASRock Intel Motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=11765
Printed Date: 23 Sep 2024 at 6:33am
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: Z390 Phantom Gaming 9 clear CMOS
Posted By: nknelson56
Subject: Z390 Phantom Gaming 9 clear CMOS
Date Posted: 01 Jul 2019 at 4:46am
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I'm having problems with my Z390 Phantom Gaming 9 not powering on. Tech support suggested "Located (sic) the CMOS jumper, remove jumper from 1-2 pins and recap on 2-3pins. Leave jumper on 2-3 pins". I wrote back saying there's only two pins, not three. I suppose they may respond to my query some day, but man are they slow. Can anybody beat them to the punch and tell me how to clear the CMOS?
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Replies:
Posted By: badbri
Date Posted: 01 Jul 2019 at 7:50am
Page 21 of the manual states "To clear and reset the system parameters to default setup, please turn off the computer and unplug the power cord, then use a jumper cap to short the pins on CLRMOS1 for 3 seconds. Please remember to remove the jumper cap after clearing the CMOS. If you need to clear the CMOS when you just finish updating the BIOS, you must boot up the system first, and then shut it down before you do the clear-CMOS action."
You should also read Xaltar's post about fully resetting a CMOS:
http://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal
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https://www.passmark.com/baselines/V9/display.php?id=99573335296
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Posted By: nknelson56
Date Posted: 01 Jul 2019 at 8:25am
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Thank you. You are correct that the manual states this (pretty clearly). I didn't think to check there, since I assumed tech support would give me correct advice. Now I just hope clearing the CMOS clears up the problem.
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