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Error code A2 - Cannot reset BIOS

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dani958 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dani958 Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2021 at 6:56pm
I did run memtest64 and no error found.

Here the log:

Module 0:
Empty
Module 1:
DDR4, 8192 MB, 64-bit, 2133 MHz
ChannelA-DIMM1 BANK 1 Kingston KHX2133C14D4/8G
Module 2:
Empty
Module 3:
DDR4, 8192 MB, 64-bit, 2133 MHz
ChannelB-DIMM1 BANK 3 Kingston KHX2133C14D4/8G

0.000: Detecting usable memory (16332 MB theoretical max)...
16.047: 14144 MB Test starting on 4 CPUs...
16.093: Allocating memory...
24.812: Starting loop 1
24.828: Stuck Address Test...
29.156: Random Data Test...
34.453: Move Data Test...
36.593: Bitpattern Test...
144.593: Starting loop 2
144.609: Stuck Address Test...
148.640: Random Data Test...
153.797: Move Data Test...
155.953: Bitpattern Test...
263.843: Starting loop 3
263.859: Stuck Address Test...
268.000: Random Data Test...
279.093: Move Data Test...
281.234: Bitpattern Test...
388.359: Starting loop 4
388.359: Stuck Address Test...
392.390: Random Data Test...
397.531: Move Data Test...
399.672: Bitpattern Test...
506.187: Starting loop 5
506.187: Stuck Address Test...
510.203: Random Data Test...
515.328: Move Data Test...
517.484: Bitpattern Test...
625.125: Starting loop 6
625.140: Stuck Address Test...
629.140: Random Data Test...
634.281: Move Data Test...
636.422: Bitpattern Test...
743.078: Starting loop 7
743.078: Stuck Address Test...
747.093: Random Data Test...
752.265: Move Data Test...
754.406: Bitpattern Test...
862.578: Starting loop 8
862.578: Stuck Address Test...
866.593: Random Data Test...
871.797: Move Data Test...
874.015: Bitpattern Test...

... it looped for another 76 times ...

10005.140: Test finished with no errors detected
Intel i5 6600k - EVGA GTX970 SSC - HyperX 2x8GB 2666MHz - ASRock Z170 Pro4 - XFX P1-650G-TS3X
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Xaltar View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Xaltar Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jan 2021 at 10:29pm
RAM should be installed in slots A2 and B2 for optimum performance with 2 modules.

Try this for clearing CMOS:
http://forum.asrock.com/forum_posts.asp?TID=630&title=how-to-clear-cmos-via-battery-removal
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Post Options Post Options   Thanks (0) Thanks(0)   Quote dani958 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 2021 at 12:19am
Thanks Xaltar
I already did clear CMOS many times and the RAM sticks are in the right position

Module 0: A1
Empty
Module 1: A2
DDR4, 8192 MB, 64-bit, 2133 MHz
ChannelA-DIMM1 BANK 1 Kingston KHX2133C14D4/8G
Module 2: B1
Empty
Module 3: B2
DDR4, 8192 MB, 64-bit, 2133 MHz
ChannelB-DIMM1 BANK 3 Kingston KHX2133C14D4/8G


In the last few days I have tried to turn the PC on, but it's stuck at bios page with A2 code.
Intel i5 6600k - EVGA GTX970 SSC - HyperX 2x8GB 2666MHz - ASRock Z170 Pro4 - XFX P1-650G-TS3X
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